Twin T Filter Overview Gadget Sideload 2021-06-17 | Here's an overview of the Twin T band reject or notch filter, showing some of the filter calculation tools online as well as running a simulation in LTSpice.Putting the band stop filter in the feedback loop of an op amp turns it into a band pass filter.Filter Calculators and Infohttp://sim.okawa-denshi.jp/en/TwinTCRkeisan.htmfalstad.com/circuit/e-twint.htmlhttp://fourier.eng.hmc.edu/e84/lectures/ActiveFilters/node4.htmlhttp://www.learningaboutelectronics.com/Articles/Notch-filter-calculator.php#answer1If you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
MAX1044 Negative Voltage Generator Latching Up Gadget Sideload 2025-02-06 | The MAX1044 negative voltage generator can take up to 10v in and generate a similar negative rail voltage, but the abs max input is 10.5v, so when operating near the limits, a small input voltage spike can cause the device to latch up.A zener diode can help clamp the input voltage for intermittent spikes and help keep things running.If you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links (I may earn a small commission, costs you nothing)!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
How to Add More Test Functions to the Mega Tester Gadget Sideload 2025-02-02 | Here's how to add new cable test functions to the Mega Tester project.Main project video: youtube.com/watch?v=YWJR8DLcURQProject files and sketch: github.com/GadgetReboot/Super_Mini_Mega_TesterIf you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links (I may earn a small commission, costs you nothing)!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
Fixing a Non Working Vintage Phase Pedal from AliExpress Gadget Sideload 2025-01-07 | Vintage Phase pedal on AliExpress https://s.click.aliexpress.com/e/_oEYA7rNWhen I received this pedal, it passed sound through but there was no phase effect. I had to take it apart and make an internal adjustment. The process is probably the same for other phase pedals with the same issue.If you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links (I may earn a small commission, costs you nothing)!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
ADS1115 - 16 Ch on One I2C Bus with One Address Pin Gadget Sideload 2024-10-27 | The ADS1115. 16 bit 4 channel I2C ADC has one address pin, but by using VCC, GND, SDA, and SCL as address control inputs, four devices can be cascaded to get a total of 16 analog inputs on one I2C bus.Sketch github.com/GadgetReboot/misc_file_bin/blob/master/2024-10/ADS1115_Test/ADS1115_16ch.inoIf you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links (I may earn a small commission, costs you nothing)!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
ATTiny85 Setup for USB with Micronucleus Bootloader in 2024 with Windows 10 Gadget Sideload 2024-10-10 | This is how I got an ATTiny85 set up with the micronucleus bootloader for vUSB support in 2024 on Windows 10.1:23 Hardware setup using Arduino Uno as ISP programmer for micronucleus bootloader3:48 Install windows USB drivers to recognize the ATTiny854:35 Download the Micronucleus bootloader hex file and other files from github7:47 Running avrdude to flash the bootloader10:06 Uploading a USB keyboard sketch from the Arduino IDE13:16 Testing the USB keyboard functionality A lot of changes have occurred in the tools and support so I dug out the same files I used 5 years ago and successfully avoided any conflicts in various revisions.I'm using an old project as an example, making a keyboard emulator that interfaces with an arcade LS30 rotary joystick to send out a keystroke when the knob is rotated clockwise or counter clockwise.Tools and files needed for the whole process in Windows 10:Download Micronucleus bootloader v2.4 file t85_default.hex fromgithub.com/ArminJo/micronucleus-firmware/tree/ca7216847e6bbf695067076b6c07703ca2d96761/firmware/releasesTo upload the bootloader, an arduino Uno was used as an ISP programmer. It is wired up to an ATTiny85 on a breadboard as shown on this pagehomemadehardware.com/guides/programming-an-attiny85Then the uno is programmed with the ArduinoISP sketch to turn it into a programmer and a 1-10uF capacitor is added across uno pins Reset (capacitor +) and Gnd (capacitor -).To flash the bootloader hex file, avrdude is needed. Download avrdude.exe and avrdude.conf from here and save them in the same folder as the bootloader hex filegithub.com/ArminJo/micronucleus-firmware/tree/ca7216847e6bbf695067076b6c07703ca2d96761/windows_exeThe rotary joystick arduino sketch can be found here github.com/GadgetReboot/RotaryUSBAlso in that github project, there is a flash_bootloader.bat file that contains a command line to run the avrdude tool, which is needed to upload the micronucleus hex file. Since so many command line parameters are needed, the batch file simplifies the process.Save the flash_bootloader.bat file in the same folder as the hex file and avrdude files.When the arduino Uno programmer is connected to the ATTiny85 and plugged into USB, runflash_bootloder.bat [comport]where [comport] is the serial port that the uno programmer appears as in Windows.The bootloader should be successfully programmed.If the ATTiny85 won't program, it may need the internal fuses reset using a high voltage programmer. Here is a video showing how to do thathttp://www.youtube.com/watch?v=JskwC4bhgx4Now plug the ATTiny85 into a USB board. To let Windows recognize the board as a USB device, drivers may be needed. Try these: github.com/digistump/DigistumpArduino/releases/download/1.6.7/Digistump.Drivers.zipRun DPinst64.exe and install the drivers (64 bit windows)Now the board should be recognized by the Arduino IDE when plugged in and a sketch can be uploaded.The rotary joystick sketch was uploaded on Windows 10 usingArduino IDE 2.3.3Install required Bounce2 library v2.1Add url to Arduino preferences/additional board URLsraw.githubusercontent.com/digistump/arduino-boards-index/master/package_digistump_index.jsonThen in the boards manager, Install Digistump AVR v1.6.7 With the rotary joystick sketch loaded, choose the target device as Digispark Default 16.5 MHzNow try to upload the program (without the USB board plugged in yet). When the IDE prompts to plug it in, it will allow 60 seconds for the USB device to be detected so it can program.If fuses need to be chosen for AVR chips, this tool helps show what bytes to program to configure settings in the chip: engbedded.com/fusecalcIf you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links (I may earn a small commission, costs you nothing)!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
Fixing KitchenAid Blender Coupler Gadget Sideload 2024-09-12 | Fixing a 20 year old KitchenAid blender that had a disintegrated rubber coupler.KitchenAid Blender Coupler Replacement PartAmazon.ca amzn.to/4e0kwueAmazon US & Others amzn.to/3AXxdHsIf you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links (I may earn a small commission, costs you nothing)!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
Fixing Time Set Buttons on an Old Clock Radio Gadget Sideload 2024-09-05 | The buttons on this old clock radio don't make good contact so setting the time is difficult - button presses don't respond or the digits jump far ahead. Time to diagnose and fix it.Deoxit contact cleanerAmazon.ca: amzn.to/3XtFr30Amazon.com & others: amzn.to/47dSOYqMG Chemicals contact cleanerAmazon.ca: amzn.to/3ThL2qtAmazon.com & others: amzn.to/3ASzqEeNote: I may earn a small commission from qualifying Amazon purchasesIf you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links (I may earn a small commission, costs you nothing)!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
How To Install a Cat6 Wall Jack and RJ45 Plug on Cat6 Cable Gadget Sideload 2024-07-09 | Installing a new Cat6 Keystone jack in drywall and crimping an RJ45 plug on the other end of the cable.Network tools and parts used (I may earn from purchases made on Amazon, costs you nothing extra):Cat6 Wall Plate with Keystone JackAmazon.ca amzn.to/3VZzx7RAmazon.com & others amzn.to/3XQrHjqCat6 RJ45 Plugs (pass-through holes)Amazon.ca amzn.to/3Lf8aScAmazon.com & others amzn.to/3LhyjjmRJ45 Cable BootsAmazon.ca amzn.to/4bDg02TAmazon.com & others amzn.to/4cThwyNRJ45 Plug CrimperAmazon.ca amzn.to/4cSY19oAmazon.com & others amzn.to/4cuv8krKeystone Punch Down ToolAmazon.ca amzn.to/4cxqL86Amazon.com & others amzn.to/4cKjG3WNetwork Cable TesterAmazon.ca amzn.to/45YP8ZHAmazon.com & others amzn.to/45Z0TPOCat6 Network CableAmazon.ca amzn.to/45ZKlHOAmazon.com & others amzn.to/3VUxDFwInstaller Drill BitsAmazon.ca amzn.to/3WgWGTxAmazon.com & others amzn.to/45VWBJ31:00 Choosing a wall location to install a new network jack1:43 Marking the cut-out lines on the wall for the right position4:34 Cutting out the hole in the wall5:29 Drilling through the floor inside wall cavity to run cable8:08 Wiring the keystone jack with a punch down tool10:17 Adding an RJ45 plug to the end of the cable 13:16 Testing the newly installed cableOpen Speed Test open source network test serveropenspeedtest.com/selfhosted-speedtestT568A vs T568B Wiring Infotruecable.com/blogs/cable-academy/t568a-vs-t568bcableorganizer.com/learning-center/articles/t568a-vs-t568b.phpIf you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links (I may earn a small commission, costs you nothing)!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
ESP32 Modules with CH340 USB Chips Running at 5V instead of 3.3v on Tx/Rx? Gadget Sideload 2024-05-25 | These ESP32 modules have a CH340 USB chip configured to run at 5v instead of 3.3v so I'm fixing these. Some modules also have weird wifi signal strength issues but I can't seem to improve that on all of them.Discussion on ESP32 with CH340 issues community.home-assistant.io/t/something-is-very-wrong-with-the-wifi-on-the-esp32-boards-i-ordered-from-aliexpress-is-there-any-way-to-salvage-these-and-fix-the-wifi/477631/4If you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links (I may earn a small commission, costs you nothing)!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
NES Fix by Cleaning 72 Pin Connector Gadget Sideload 2024-04-28 | I was able to get two NES systems working just by using an electrical contact cleaner spray on the 72 pin connector.At least in this case, there was no need to replace the connector, bend pins, or remove and boil in water.Deoxit contact cleanerAmazon.ca: amzn.to/3XtFr30Amazon.com & others: amzn.to/47dSOYqMG Chemicals contact cleanerAmazon.ca: amzn.to/3ThL2qtAmazon.com & others: amzn.to/3ASzqEeNote: I may earn a small commission from qualifying Amazon purchasesIf you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links (I may earn a small commission, costs you nothing)!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
Addressable LEDs with ATTiny 0-Series in Arduino IDE Gadget Sideload 2024-04-26 | Using the MegaTinyCore for the Arduino IDE, there is built in support for addressable LED control with the ATTiny 0-Series parts.If you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links (I may earn a small commission, costs you nothing)!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
Broken Remote Buttons? How to Fix Gadget Sideload 2024-04-03 | Remote control buttons can be fixed sometimes by cleaning with alcohol, coating the pad and pcb with pencil markings, or sometimes by replacing a worn out conductive pad as shown here.Spudger tool to help pry open the remote:Amazon.ca: amzn.to/43MEF2CAmazon US and others: amzn.to/43HUUOvButton pad repair kit:Amazon.ca: amzn.to/3VRAIYiAmazon US and others: amzn.to/4aAK6niNote: I may earn a small commission for qualifying Amazon purchasesIf you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links (I may earn a small commission, costs you nothing)!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
PT2399 Echo Circuit Walk Through and Demo Gadget Sideload 2024-02-03 | The PT2399 Echo/Delay chip is good for Lo-Fi echo effects, but the chip datasheet doesn't give many insights into how it works and how to use it.Datasheet electricdruid.net/datasheets/PT2399.pdfCircuit analysis from ElectroSmash electrosmash.com/pt2399-analysisIf you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
Audio Loop Switcher Project Update Gadget Sideload 2023-12-18 | New pcbs are being worked on to get a more permanent project in place for the guitar effects loop switcher project. This is a progress update.A foot switch panel will have 12 stomp switches to bring effects in and out of circuit easily.IWS-2820 crimp tool used for the JST pins IWS-2820 JST crimp tool https://s.click.aliexpress.com/e/_DEOAZ6HIf you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
Dial Up Modems and Pulse Dialing Tested on Phone Line Sim Gadget Sideload 2023-11-08 | Pulse dialing was implemented on the phone line simulator with the use of the pulseHandler library from: github.com/ktownsend-personal/RetroPhoneAnd two 386 computers were used with external modems to test the phone line for a dial up connection capability.Check the main channel for more projects and updates: youtube.com/@gadgetrebootIf you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
Phone Line Simulator Project Update: 2 Phones Working! Gadget Sideload 2023-11-06 | Two prototype PCBs have been assembled, one to control each of two phones. The ESP32 code has been developed to a point where two phones can call each other and ring or generate busy signals, and if the call is answered, a connection is made between the phones through the subscriber line trunk.More videos in this series: youtube.com/playlist?list=PLjJ5BDlAoGarnVThQQigLQh1viLgSvlCMSchematic/Sketch work in progress: github.com/GadgetReboot/Phone_SLIMWireless code based on: randomnerdtutorials.com/esp32-esp-now-wi-fi-web-serverSimilar project in development: github.com/ktownsend-personal/RetroPhoneIf you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
Phone Line Simulator ESP-32 Schematic Review Gadget Sideload 2023-08-04 | Almost ready to order PCBs for the new ESP32 based version of the phone line simulator. Here's how the schematic looks.If you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
SLIC Audio Filter and Mute Circuit Gadget Sideload 2023-07-26 | The phone line SLIC module has an audio path that I want to filter with a pass band of 300 Hz - 3400 Hz, but there is also another unexpected disturbance signal imposed on the audio path while a phone is ringing, so that must be dealt with too. If you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
Pulse Dial Detection and Mechanical Ringing Gadget Sideload 2023-07-09 | With help from this similar SLIC phone line project:github.com/ktownsend-personal/RetroPhone/tree/mainI have started re-integrating the SLIC functionality into the new ESP32 phone line architecture.Using an old mechanical rotary dial phone, I was able to verify that the SLIC had enough power to ring the mechanical bells, and now pulse dialed digits are also detected in the system.If you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
Adding WiFi and Wav Recordings to Phone Line Sim Gadget Sideload 2023-07-05 | The original ESP8266 based phone line simulator is now being adapted to ESP32 to allow more features, starting with using WiFi and ESP-NOW to communicate between nodes, and adding the ability to play back audio samples such as "please hang up and try your call again, this is a recording".This ESP32 version will be built back up from here and if the prototype works, a pcb will be made.New project work in progress files: github.com/GadgetReboot/misc_file_bin/tree/master/2023-wip_projects/Telephone_Central_Office_SimulatorWiFi reference project used: randomnerdtutorials.com/esp32-esp-now-wi-fi-web-serverIf you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
LTSpice Noise Voltage Source Gadget Sideload 2023-05-06 | A behavioral voltage source can be used in LTSpice to create arbitrary voltage waveforms, including noise with the white(x) function.Here's how to implement that noise source and combine it with a sine wave signal.LTSpice files used: github.com/GadgetReboot/misc_file_bin/tree/master/2023-05/LTspice/WhiteNoise_Behavioral_Voltage_SourceBehavioral Sources ltwiki.org/?title=B_sources_%28complete_reference%29General Noise Source Simulation Info: allaboutcircuits.com/technical-articles/how-to-perform-transient-analysis-noise-simulation-LTspice PWL Voltage Sources https://www.ieee.li/pdf/viewgraphs/ltspice_piece_wise_linear_voltage_sources.pdf V/I White/Flicker Noise Source subckt github.com/yildi1337/LTspiceNoiseSources LTSpice Tips http://www.circuitszoo.altervista.org/LTspice.htmlIf you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
LTSpice OpAmp Import Gadget Sideload 2023-04-28 | See the full video: youtu.be/ZHdDhVBSiiAHow to import a component library into LT Spice for more accurate simulations with specific parts, eg. instead of using an ideal op amp model, use a specific op amp with data from the manufacturer.
AY-3-8910 Sound Generator with Arduino Nano - How it Works Gadget Sideload 2023-04-19 | The AY-3-8910 sound generator has an 8 bit address/data bus, allowing access to 16 internal registers.Using Arduino Nano and a convenient library, the registers can be controlled to generate 3 channels of audio tones or noises.Their amplitude (volume) can be set, either by setting a fixed volume or by turning on an envelope feature to make the volume fade in/out etc.YM format chiptune files can also be played, either from program memory or an SD card.Schematic and sketch: github.com/GadgetReboot/AY-3-8910Arduino library used: github.com/Andy4495/AY3891xAY-3-8910 datasheet: https://f.rdw.se/AY-3-8910-datasheet.pdfIf you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
Interfacing with Arcade Trackballs and Rotary Joysticks Gadget Sideload 2023-03-07 | This is a work in progress pcb project to use an Arcade trackball, spinner, or other rotary encoder device as a USB mouse, and it also monitors two LS30 style arcade rotary joystick 13 pin connectors. When the joystick is rotated, the position change is detected and a usb keystroke is sent out for player 1 and 2 clockwise and counter clockwise motion.It uses a Raspberry Pi Pico and circuit python and needs more work but it's a functioning prototype.Trackball mating connector and crimp pins used to plug into trackball harness (one example of a plug that works):Molex 03-09-1061 mouser.ca/ProductDetail/538-03-09-1061Molex 02-09-1104 mouser.ca/ProductDetail/538-02-09-11040:00 Concept discussion3:20 Project scope for rotary joysticks5:17 Trackball hardware interfacing8:31 Rotary joystick hardware interfacing10:40 Schematic for joystick interface and how to decode rotary motion22:22 Schematic for trackball interface26:16 Circuit Python script review32:32 Simple demo in text editor If you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
Telephone Central Office Re-Design with ESP32 Begins Gadget Sideload 2023-02-14 | This is the start of converting the original ESP8266 telephone central office project over to using ESP32 to:-allow more GPIO without an external expander chip-replace an RS485 "trunk line" with wireless (ESP NOW)-allow playing back audio sample recordings into the phone without hiccups-maybe provide a web server for system status monitoring and control via web pageProject Playlist: youtube.com/playlist?list=PLjJ5BDlAoGarnVThQQigLQh1viLgSvlCMOriginal ESP8266 Prototype Design github.com/GadgetReboot/misc_file_bin/blob/master/2022_11/Telephone_Central_Office_wip/DesignPrototype/GR_Telephone_CO_Node_Sch.pdfESP32 Design Starting Point Reference Project randomnerdtutorials.com/esp-now-auto-pairing-esp32-esp8266“This is a recording” sound samples thisisarecording.com/Joyce-Gordon.htmlMozzi demo sketch for playing samples github.com/sensorium/Mozzi/blob/master/examples/08.Samples/Sample/Sample.inoPreparing audio samples for Mozzi playback sensorium.github.io/Mozzi/doc/html/char2mozzi_8py.htmlIf you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
Sketchy Tools Software Concept Gadget Sideload 2022-12-22 | This is a description of a sketchy tool I'm working on, including an overview of the concept and a software example.The sketchy PCB tool will have an I2C bus connection, an OLED display, and a rotary encoder.By adjusting the value of a data variable on the display and clicking the button, the data is sent over I2C to another circuit, which can be any project being worked on where it would be nice to be able to tweak data variables on the fly without having to re-upload software to the project.This is especially useful when working on a project while away from the programming tools, and needing a way to adjust/fine tune something on the fly.Demo sketches: github.com/GadgetReboot/misc_file_bin/tree/master/2022_12/SketchyTool_FilesOLED I2C project I used: didel.com/TerOled.pdfIf you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
Phone Line Sim Schematic (and some issues) Gadget Sideload 2022-11-18 | Here's the schematic of the various phone line related modules I've been working with on the breadboard including the KS0835F SLIC, MT8870 DTMF Decoder, ESP8266, PCF8574 GPIO expander, and misc analog and digital glue circuitry.Project on github: github.com/GadgetReboot/misc_file_bin/tree/master/2022_11/Telephone_Central_Office_wip/DesignPrototypeDTMF Decoder project: github.com/GadgetReboot/DTMF_DecoderKS0835F phone line module: github.com/GadgetReboot/KS0835F_Phone_SLICIf you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
DTMF Decoding with MT8870 Gadget Sideload 2022-11-17 | In this iteration of the phone line simulator project, now that the ESP8266 can generate call progress tones, I added a PCF8574 GPIO expander and a KS0835F subscriber line interface circuit.Now I can connect a land line phone and make it ring, or pick it up off hook, detect that state, and play a dial tone.Things are starting to take shape toward the goal of a central office simulator.Sketch: github.com/GadgetReboot/misc_file_bin/tree/master/2022_11/Telephone_Central_Office_wipDTMF Decoder project: github.com/GadgetReboot/DTMF_DecoderKS0835F phone line module: github.com/GadgetReboot/KS0835F_Phone_SLICMT8870 datasheet: microsemi.com/document-portal/doc_view/127041-mt8870d-datasheet-oct2006If you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
Using a SLIC Module to Make a Land Line Phone Ring Gadget Sideload 2022-11-15 | In this iteration of the phone line simulator project, now that the ESP8266 can generate call progress tones, I added a PCF8574 GPIO expander and a KS0835F subscriber line interface circuit.Now I can connect a land line phone and make it ring, or pick it up off hook, detect that state, and play a dial tone.Things are starting to take shape toward the goal of a central office simulator.Sketch: github.com/GadgetReboot/misc_file_bin/tree/master/2022_11/Telephone_Central_Office_wipKS0835F phone line module: github.com/GadgetReboot/KS0835F_Phone_SLICIf you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
Call Progress Tone Library for Mozzi - Phone Line Central Office Project Gadget Sideload 2022-11-12 | This demo continues the development of the call progress tone generator with ESP8266.I grouped a bunch of Mozzi synth things into a mini library to make it easier to start and stop playback of dial tone, ring tone, busy signal and off hook sounds.I also added a region configuration so it can play back North American or UK call progress tones.DTMF call progress tones can be generated by playing multiple sine waves simultaneously.The Mozzi synth library for Arduino is used here with an ESP8266 to generate the dial tone, busy signal, ring signal, and off hook sounds heard in a POTS telephone line.ESP8266 pcb used in demo: github.com/GadgetReboot/Remote_RelaySketch: github.com/GadgetReboot/DTMF_Call_Progress_Tones/tree/main/rev2/PhoneCallProgressTonesCall progress tones: en.wikipedia.org/wiki/Call-progress_toneTelephone system basics slideshow: slideplayer.com/slide/1485078If you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
Mozzi Synth: DTMF Call Progress Tone Generator Gadget Sideload 2022-11-11 | DTMF call progress tones can be generated by playing multiple sine waves simultaneously.The Mozzi synth library for Arduino is used here with an ESP8266 to generate the dial tone, busy signal, ring signal, and off hook sounds heard in a POTS telephone line.ESP8266 pcb used in demo: github.com/GadgetReboot/Remote_RelaySketch: github.com/GadgetReboot/DTMF_Call_Progress_TonesMozzi synth: github.com/sensorium/Mozzisensorium.github.io/Mozzi/learn/a-simple-sketchCall progress tones:en.wikipedia.org/wiki/Call-progress_toneen.wikipedia.org/wiki/Off-hook_tonePlain Old Telephone Service: networkencyclopedia.com/plain-old-telephone-service-potsTelephone Exchange: en.wikipedia.org/wiki/Telephone_exchangeIf you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
LTSpice for Beginners: Simulating Time and Frequency Domain of a Filter Gadget Sideload 2021-06-14 | If you want to know how to get an LT Spice simulation going, here's a walk through from a blank page showing how to simulate a time domain (oscilloscope plot view) and frequency domain (Bode frequency response plot) for a simple RC low pass filter.If you'd like to support the channel, you can:Support me on Patreon: patreon.com/gadgetrebootShop through my affiliate links!Banggood banggood.com/custlink/3vKYLANH8NAliexpress https://s.click.aliexpress.com/e/_AFeHwB Amazon.com amazon.com/?&_encoding=UTF8&tag=gadgetreboo05-20&linkCode=ur2&linkId=952875a3564e2204d1786f94b9e1a8d3&camp=1789&creative=9325 Amazon.ca amazon.ca/?&_encoding=UTF8&tag=gadgetreboot-20&linkCode=ur2&linkId=70fa82315ac48f03342938bd4fb93535&camp=15121&creative=330641
LFSR: Linear Feedback Shift Register Basics for Pseudo Noise Generation Gadget Sideload 2021-06-09 | Linear feedback shift registers, when configured correctly to create a maximal length sequence, can make a good pseudo random pattern generator. Here's how I used a 31 bit LFSR in an ATTiny85 to generate white noise for audio projects.Circuit for white and pink noise github.com/GadgetReboot/White_Pink_NoiseSketch for 31 bit LFSR github.com/GadgetReboot/White_Noise_LFSR Video detailing Noise Gen PCB youtu.be/jSPgxzoeRfo LFSR info en.wikipedia.org/wiki/Linear-feedback_shift_registerSupport me on Patreon: patreon.com/gadgetrebootEquipment I regularly use (support the channel by shopping through these affiliate links - I may earn a small commission and it doesn't cost you extra):Mustool MT315 Digital Microscope banggood.com/custlink/KKvhiw1F6FJCD 8898 Soldering and Hot Air Workstation banggood.com/custlink/DKKYOoeKg7 946C Solder Hot Plate 200mm x 200mm banggood.com/custlink/K3DyiNZy0lANENG AN8008 True RMS Multimeter banggood.com/custlink/KKDh9267FzMinleaf NPS3010W Power Supply banggood.com/custlink/KKKdtaNN9AFY6900 Dual Channel 60MHZ Signal Generator banggood.com/custlink/vGKR9r6RkRSiglent SDS1104X-E 100Mhz Digital Oscilloscope 4 Channels Standard decoderAmazon.com: amzn.to/36fH1uiAmazon.ca: amzn.to/36fNWUc
LTSpice - Importing a New Component Model for Simulation Gadget Sideload 2021-06-04 | Here's 2 ways I go about importing a SPICE model downloaded from a manufacturer for more accurate simulations if I want to see how a specific part performs.Using an op amp as an example, we can see how the ideal op amp compares to an LM358 model.One import method uses the .lib directive to include the model and then just assign it to the existing op amp schematic symbol for the generic op amp.The other method is to have LTSpice auto-generate a schematic symbol that can be dropped into the schematic if there are no suitable symbols already available. This is useful for unique parts like obscure ICs.Support me on Patreon: patreon.com/gadgetrebootEquipment I regularly use (support the channel by shopping through these affiliate links - I may earn a small commission and it doesn't cost you extra):Mustool MT315 Digital Microscope banggood.com/custlink/KKvhiw1F6FJCD 8898 Soldering and Hot Air Workstation banggood.com/custlink/DKKYOoeKg7 946C Solder Hot Plate 200mm x 200mm banggood.com/custlink/K3DyiNZy0lANENG AN8008 True RMS Multimeter banggood.com/custlink/KKDh9267FzMinleaf NPS3010W Power Supply banggood.com/custlink/KKKdtaNN9AFY6900 Dual Channel 60MHZ Signal Generator banggood.com/custlink/vGKR9r6RkRSiglent SDS1104X-E 100Mhz Digital Oscilloscope 4 Channels Standard decoderAmazon.com: amzn.to/36fH1uiAmazon.ca: amzn.to/36fNWUc
Op Amp Resistor Choices for Vin and Vout Specs Gadget Sideload 2021-06-03 | Here's how I went about selecting resistor values for an op amp buffer in an audio project so that the voltages stay within the input common mode range (as listed in the data sheet).With the inputs and outputs not being rail to rail, I also had to decide how to bias the single supply op amp to maximize the output swing without clipping.It's just a starting point and still requires breadboarding and possibly tweaking, for example if the output signal is too close to the bottom rail and clips, it may need to be shifted higher and/or attenuated to fit better within the output range.Support me on Patreon: patreon.com/gadgetrebootEquipment I regularly use (support the channel by shopping through these affiliate links - I may earn a small commission and it doesn't cost you extra):Mustool MT315 Digital Microscope banggood.com/custlink/KKvhiw1F6FJCD 8898 Soldering and Hot Air Workstation banggood.com/custlink/DKKYOoeKg7 946C Solder Hot Plate 200mm x 200mm banggood.com/custlink/K3DyiNZy0lANENG AN8008 True RMS Multimeter banggood.com/custlink/KKDh9267FzMinleaf NPS3010W Power Supply banggood.com/custlink/KKKdtaNN9AFY6900 Dual Channel 60MHZ Signal Generator banggood.com/custlink/vGKR9r6RkRSiglent SDS1104X-E 100Mhz Digital Oscilloscope 4 Channels Standard decoderAmazon.com: amzn.to/36fH1uiAmazon.ca: amzn.to/36fNWUc
Direct Digital Synthesis - How it Works and a Demo on Arduino Due Gadget Sideload 2021-05-17 | Here's a lot of DDS theory and then an Arduino Due demonstration, showing how to generate different frequency sine waves that can be used for audio synth or other applications.The content presented may be dense and better suited as a reference guide if you already have some DDS theory and just want to try to get a better understanding about a specific aspect of how it works. Choose topics from the look up index:0:00 Intro1:26 Look up tables and Analog Signals5:23 Choosing parameters for Arduino Audio Sine Generation6:07 Phase Accumulator vs LUT Waveform Sample Relationship7:14 DDS System Equation breakdown10:32 DDS Frequency resolution11:33 Phase Accumulator bit width determination 13:39 Phase Accumulator as a LUT Index16:48 Arduino Due Connection Diagram18:40 Arduino Sketch21:53 Tinkercad Arduino Simulation of DDS Generator22:13 555.555 Hz on scope and DDS values in simulator23:47 2112 Hz on scope and DDS values in simulator24:35 0.042 Hz on scope and DDS values in simulator25:08 10 KHz on scope and DDS values in simulator26:07 20 KHz on scope and DDS values in simulator27:05 Dual sine waves combined from one sine LUT28:39 Dual sine waves on the scope and speakerSketch/Schematic github.com/GadgetReboot/DDS_Generator_For_DueTinkercad Circuits tinkercad.com/learn/circuitsDDS Reference Infoanalog.com/en/analog-dialogue/articles/all-about-direct-digital-synthesis.htmlanalog.com/media/en/technical-documentation/data-sheets/AD9833.pdfanalog.com/media/en/training-seminars/tutorials/MT-085.pdfen.wikipedia.org/wiki/Numerically-controlled_oscillatorSine wave table generator (double check it doesn’t generate one extra data point if you use it!)daycounter.com/Calculators/Sine-Generator-Calculator.phtmlSine wave math stuff inchcalculator.com/sine-calculatormathopenref.com/triggraphsine.htmlRC Filer Calculator http://sim.okawa-denshi.jp/en/CRtool.phpScientific Calculator desmos.com/scientificSampling infoedn.com/proper-sampling-ensures-good-datadigikey.ca/en/articles/the-basics-of-direct-digital-synthesizers-ddssen.wikipedia.org/wiki/Reconstruction_filteren.wikipedia.org/wiki/Nyquist%E2%80%93Shannon_sampling_theoremarrow.com/en/research-and-events/articles/engineering-resource-basics-of-analog-to-digital-convertersSupport me on Patreon: patreon.com/gadgetrebootEquipment I regularly use (support the channel by shopping through these affiliate links - I may earn a small commission and it doesn't cost you extra):Mustool MT315 Digital Microscope banggood.com/custlink/KKvhiw1F6FJCD 8898 Soldering and Hot Air Workstation banggood.com/custlink/DKKYOoeKg7 946C Solder Hot Plate 200mm x 200mm banggood.com/custlink/K3DyiNZy0lANENG AN8008 True RMS Multimeter banggood.com/custlink/KKDh9267FzMinleaf NPS3010W Power Supply banggood.com/custlink/KKKdtaNN9AFY6900 Dual Channel 60MHZ Signal Generator banggood.com/custlink/vGKR9r6RkRSiglent SDS1104X-E 100Mhz Digital Oscilloscope 4 Channels Standard decoderAmazon.com: amzn.to/36fH1uiAmazon.ca: amzn.to/36fNWUc
JCD 8898 Soldering Workstation Teardown Gadget Sideload 2021-05-17 | Here's a look at how this JCD 8898 compact soldering station is put together.JCD 8898 Soldering and Hot Air Workstation banggood.com/custlink/DKKYOoeKg7 Review video: youtube.com/watch?v=6QOKCq4UqdAInfo on some of the key components inside:Nuvoton MS51FB9AE micro nuvoton.com/products/microcontrollers/8bit-8051-mcus/industrial-8051-series/ms51fb9aeTriac 4A 800V ween-semi.com/sites/default/files/2018-10/bt136s-800.pdf Triac 16A 600V st.com/resource/en/datasheet/bta16.pdf MBxS Bridge Rectifier vishay.com/docs/88661/mb2s.pdf 3041 Triac Driver https://cdn.sos.sk/productdata/61/2a/8c2cd9a7/moc-3041.pdf CBB22 Capacitors http://www.iequalscdvdt.com/Markings_and_Codes.html ytfcapacitor.com/news/Hight-quanlity-of-CBB-capacitor21993220efdcdcd502cce389.htmlSupport me on Patreon: patreon.com/gadgetrebootEquipment I regularly use (support the channel by shopping through these affiliate links - I may earn a small commission and it doesn't cost you extra):Mustool MT315 Digital Microscope banggood.com/custlink/KKvhiw1F6FJCD 8898 Soldering and Hot Air Workstation banggood.com/custlink/DKKYOoeKg7 946C Solder Hot Plate 200mm x 200mm banggood.com/custlink/K3DyiNZy0lANENG AN8008 True RMS Multimeter banggood.com/custlink/KKDh9267FzMinleaf NPS3010W Power Supply banggood.com/custlink/KKKdtaNN9AFY6900 Dual Channel 60MHZ Signal Generator banggood.com/custlink/vGKR9r6RkRSiglent SDS1104X-E 100Mhz Digital Oscilloscope 4 Channels Standard decoderAmazon.com: amzn.to/36fH1uiAmazon.ca: amzn.to/36fNWUc
