Update: Escape Room Puzzle (STM32 Blue Pill with Arduino framework) Indrek 2018-03-30 | This is an update to the Escape Room Puzzle project: youtu.be/m9OKALWYnB0Now I have made a 3D Printed box for the device.Music by Epidemic Sound (http://www.epidemicsound.com)
OV7670 Camera module to PC with Arduino (SIMPLIFIED!) Indrek 2021-11-02 | This is a remake of my old OV7670 to tutorial PC video. I have simplified and optimized it a lot.Link to my Article to download ArduImageCapture plugin for Arduino IDE:circuitjournal.com/arduino-OV7670-to-pcLiveOV7670 code:github.com/indrekluuk/LiveOV7670Buy from Amazon :OV7670 camera module: amzn.to/3pGWVpaGenuine Arduino Uno: amzn.to/2ZXfdsrGenuine Arduino Nano: amzn.to/2zF8Q2eBreadboard: amzn.to/2zKBLSgResistor set: amzn.to/3bhwzItSet of jumper wires: amzn.to/3dkDw7r(As an Amazon Associate I earn from qualifying purchases)Buy from Aliexpress:OV7670 Camera Module: https://s.click.aliexpress.com/e/_AZB9lNArduino Nano Compatible Board: https://s.click.aliexpress.com/e/_Ao54InArduino Uno Compatible Board: https://s.click.aliexpress.com/e/_AVaoKbSet of Jumper Wires: http://s.click.aliexpress.com/e/cnhvUw2cResistor Set: https://s.click.aliexpress.com/e/_dTFiUgNBreadboard: http://s.click.aliexpress.com/e/c8fITwTmDisclosure: Bear in mind that some of the links in this post are affiliate links and if you go through them to make a purchase I will earn a commission. Keep in mind that I link these companies and their products because of their quality and not because of the commission I receive from your purchases. The decision is yours, and whether or not you decide to buy something is completely up to you.00:00 Intro00:48 ArduImageCapture plugin01:50 Required components03:02 Arduino code (LiveOV7670)04:12 Checkpoint #104:42 Wiring07:07 Checkpoint #207:45 Pixel wires08:07 Done!Music from Youtube audio library:All the Fixings - Zachariah Hickman
Arduino serial output to Excel/CSV (for Legacy IDE 1.8.x) Indrek 2021-06-20 | UPDATE: it only works with the Java-based Legacy IDE (version 1.8.x). The newer Node.js based 2.x is not supported.I created a tool for Arduino IDE that saves Arduino serial output into a CSV file. You can then open the saved file with Microsoft Excel or Libre Office. It works on all platforms where Arduino IDE runs (Windows, Mac, Linux).My article about the plugin:circuitjournal.com/arduino-serial-to-spreadsheetThe Ohm's Law t-shirt I am wearing in this video:circuitjournalcom.creator-spring.com/listing/ohm-s-law-newMusic from Youtube audio library:Night Run Away - An Jone
Programming ESP-12E / ESP-12F / NodeMCU Over Wi-Fi Indrek 2021-01-16 | In this video, I will explain how to program an ESP8266 module over Wi-Fi using the Arduino IDE.Code:circuitjournal.com/programming-esp8266-over-wifi#minimal-arduino-OTA-codeCode with a fallback access point:circuitjournal.com/programming-esp8266-over-wifi#arduino-OTA-code-with-wifi-confThis video is a follow-up to my previous ESP tutorial:youtube.com/watch?v=_iX67plFeLsBuy from Amazon:ESP-12F Wi-Fi Module: amzn.to/3xW8LRlNodeMcu: amzn.to/3x8ssnoUSB to Serial Adapter: amzn.to/3xbGjsUEsp-12E/Esp-12F Programmer Module: amzn.to/32p0ERUWitty Cloud Development Board: amzn.to/3BJA9Gj(As an Amazon Associate I earn from qualifying purchases)Buy from Aliexpress:ESP-12F Wi-Fi Module: https://s.click.aliexpress.com/e/_Amz81rNodeMcu: https://s.click.aliexpress.com/e/_APrxizUSB to Serial Adapter: https://s.click.aliexpress.com/e/_A1HnkZEsp-12E/Esp-12F Programmer Module: https://s.click.aliexpress.com/e/_AabJHNWitty Cloud Development Board: https://s.click.aliexpress.com/e/_AtV5K9Disclosure: Bear in mind that some of the links in this post are affiliate links and if you go through them to make a purchase I will earn a commission. Keep in mind that I link these companies and their products because of their quality and not because of the commission I receive from your purchases. The decision is yours, and whether or not you decide to buy something is completely up to you.Music from Youtube audio library.Corbyn Kites - Shadowing
Programming ESP-12E / ESP-12F / NodeMCU With Arduino IDE | Step by Step Guide Indrek 2020-12-20 | In this video, I will explain how to prepare your Arduino IDE to upload sketches into the ESP8266 microcontroller and connect to an ESP-12E / ESP-12F board over USB.Pictures and diagrams:circuitjournal.com/esp8266-with-arduino-ideAdd the following URL to the "Additional Boards Manager URLs":http://arduino.esp8266.com/stable/package_esp8266com_index.jsonIf your USB-to-serial adapter has a CH340 USB-to-serial chip on it, you may need to download and install the CH340 drivers for your operating system:sparks.gogo.co.nz/ch340.htmlProgramming the ESP8266 chip over Wi-Fi:youtube.com/watch?v=3XyaDyu8UDwBuy from Amazon:ESP-12F Wi-Fi Module: amzn.to/3xW8LRlNodeMcu: amzn.to/3x8ssnoUSB to Serial Adapter: amzn.to/3xbGjsUEsp-12E/Esp-12F Programmer Module: amzn.to/32p0ERUWitty Cloud Development Board: amzn.to/3BJA9GjESP-12E/ESP-12F Adapter Board: amzn.to/3m9Fr87HT7333A 3.3V Linear Voltage Regulator: amzn.to/36VgBOw(As an Amazon Associate I earn from qualifying purchases)Buy from Aliexpress:ESP-12F Wi-Fi Module: https://s.click.aliexpress.com/e/_Amz81rNodeMcu: https://s.click.aliexpress.com/e/_APrxizUSB to Serial Adapter: https://s.click.aliexpress.com/e/_A1HnkZEsp-12E/Esp-12F Programmer Module: https://s.click.aliexpress.com/e/_AabJHNWitty Cloud Development Board: https://s.click.aliexpress.com/e/_AtV5K9ESP-12E/ESP-12F Adapter Board: https://s.click.aliexpress.com/e/_9voQqNHT7333A 3.3V Linear Voltage Regulator: https://s.click.aliexpress.com/e/_Af43sZDisclosure: Bear in mind that some of the links in this post are affiliate links and if you go through them to make a purchase I will earn a commission. Keep in mind that I link these companies and their products because of their quality and not because of the commission I receive from your purchases. The decision is yours, and whether or not you decide to buy something is completely up to you.Timecodes:00:00 Intro00:52 Perparint Arduino IDE01:39 Difference between ESP-12E and ESP-12F01:51 Arduino code02:10 NodeMCU02:45 Programming options for ESP-12E/ESP-12F03:05 Dedicated programmer board04:02 Adapter board for ESP-12E/ESP-12F04:24 Using NodeMCU to program a plain ESP-12E/ESP-12F06:35 Using a dedicated USB-to-serial adapter10:46 Using a Witty Cloud Development Board13:45 Intro to Wi-FiMusic from Youtube audio library.Corbyn Kites - Shadowing
These Dominos Fall Upwards Indrek 2020-10-11 | Dominos are rising instead of falling. It is NOT a reversed clip, those dominos are actually rising.STL files to print your own:thingiverse.com/thing:4614040Buy the magnets from Aliexpress:Cylindrical: https://s.click.aliexpress.com/e/_d8hSTzTRectangular: https://s.click.aliexpress.com/e/_dWZaooV(affiliate links)Music from Youtube library:Slynk & Mr Stabalina - The Jam
INVERTED Dominos (Tenet Spoof) Indrek 2020-10-04 | Dominos are rising instead of falling. It is NOT a reversed clip, those dominos are actually rising.* I know that there weren't actually any inversion portals in the Kyiv Opera House in the movie. I wanted to film in the location ;)Our T-shirt (The Electronic Scream):teespring.com/new-the-electronic-scream(affiliate link)STL files to print your own:thingiverse.com/thing:4614040Buy the magnets from Aliexpress:Cylindrical: https://s.click.aliexpress.com/e/_d8hSTzTRectangular: https://s.click.aliexpress.com/e/_dWZaooV(affiliate links)Music from Youtube library:Wolf Mother - LoopopRace Car - Rondo BrothersThe seagulls sound effect:youtube.com/watch?v=KZotE2nAlJgfreesound.org/people/juskiddinkTenet official trailers:youtube.com/watch?v=LdOM0x0XDMoyoutube.com/watch?v=L3pk_TBkihU
CREEPY Escape Room Timer | Arduino Project (with ESP8266) Indrek 2020-07-19 | We are in the process of designing an escape room. In this video, you see the game timer. The legend of the story is that you have been hexed by a witch and you have one hour until the voodoo doll falls onto the spikes. To win the game you need to save the doll before your time runs out.The device is controlled by the ESP8266 microcontroller. It can drop the doll by turning five servo-motors. I have also added RGB LEDs to change the lighting inside the box and there are two feedback signals to detect if the cupboard door is open and if the doll was removed manually.Creepy whispers:youtube.com/watch?v=NXbZcyorrLIThunder:youtube.com/watch?v=ZVrOUnWVZ6sMusic: Happy Haunts - Aaron Kenny - YouTube Music Library
HX711 with a Four Wire Load Cell and Arduino | Step by Step Guide. Indrek 2020-06-15 | In this video, I explain how to connect a four-wire load cell to the HX711 amplifier module and how to read the weight value with an Arduino.Diagrams and pictures:circuitjournal.com/four-wire-load-cell-with-HX711Github page of the "HX711_ADC" library:github.com/olkal/HX711_ADC3D printed parts:thingiverse.com/thing:4602226Buy from Amazon:Crimping tool (I am using this one): amzn.to/3jaDwciDuPont connector set: amzn.to/3rCPT8eLoad Cell with HX711: amzn.to/2zwTcG1Genuine Arduino Uno: amzn.to/2ZXfdsrMale to male jumper wires: amzn.to/2TX0GZP(As an Amazon Associate I earn from qualifying purchases)Buy from Aliexpress:Crimping Tool: https://s.click.aliexpress.com/e/_dVTkVNcDuPont Connector Set: https://s.click.aliexpress.com/e/_dUQew9oLoad Cell with HX711 Module: https://s.click.aliexpress.com/e/_9GL349Arduino Uno Compatible Board: https://s.click.aliexpress.com/e/_AVaoKbSet of Jumper Wires: http://s.click.aliexpress.com/e/cnhvUw2cDisclosure: Bear in mind that some of the links in this post are affiliate links and if you go through them to make a purchase I will earn a commission. Keep in mind that I link these companies and their products because of their quality and not because of the commission I receive from your purchases. The decision is yours, and whether or not you decide to buy something is completely up to you.Timecodes:00:00 Intro00:20 Demo00:45 Different load cells01:44 How does the load cell work?02:39 The HX11 amplifier module02:50 Assembly05:03 Verifying the wires06:16 Connecting the load cell to the amplifier module06:50 Connecting the HX711 module to Arduino07:19 Downloading the HX711_ADC Library07:42 Arduino code08:14 Calibrating the load cell09:35 Testing the load cell with various objects10:15 EndMusic from Youtube audio library.
Iterative Design in the Wild Indrek 2020-05-30 | Since I have been designing stuff for Arduino to be 3D printed, I can see iterative design everywhere. I have done it so many times myself. Even if you think you got your device perfect you will still find flaws that come out while it is in real-life use.In this video, you can see such a case in the wild that I stumbled upon. The outdoor gym training machine has an obvious flaw where the foot petal pipe gets dented after heavy use. And right next to it there is another version of the same machine where this problem is already fixed.Music: "Winds of Spring" from the Youtube Audio Library.
Mounting the 50kg Bathroom Scale Load Cells to a Board Indrek 2020-05-02 | An update to the previous 50kg Bathroom Scale Load Cells tutorial:youtube.com/watch?v=LIuf2egMioAI forgot to mention some critical details about mounting the 50kg bathroom scale load cells to a wooden board. It is important that the strain gauge has room to move up and down. The easiest way to achieve this is to 3D print a mounting frame for it. Alternatively, you could also drill a hole to your weight plate.Diagrams and pictures:circuitjournal.com/50kg-load-cells-with-HX711Music from Youtube audio library.youtube.com/channel/UCr1hW0rMwhUGBPne6FYdyIQ
Arduino Scale with HX711 and 50kg Bathroom Scale Load Cells | Step by Step Guide. Indrek 2020-04-17 | Wiring diagrams for 4 x 50kg, 2 x 50kg, and 1 x 50kg.In this video, I explain the three different ways to connect the 50kg bathroom scale load cells to the HX711 amplifier module and how to read the weight value with an Arduino. You can connect four of the load cells as a loop, two as a pair, or a single one with two external resistors.Diagrams and pictures:circuitjournal.com/50kg-load-cells-with-HX711Github page of the "HX711_ADC" library:github.com/olkal/HX711_ADCBuy from Amazon :50kg load cells with HX711 module: amzn.to/3F4pc3zGenuine Arduino Uno: amzn.to/2ZXfdsrResistor set: amzn.to/3bhwzItMale to male jumper wires: amzn.to/2TX0GZPWires: amzn.to/2zQj93q(As an Amazon Associate I earn from qualifying purchases)Buy from Aliexpress:50kg Load Cells with HX711 Module: https://s.click.aliexpress.com/e/_AOZBU4Arduino Uno Compatible Board: https://s.click.aliexpress.com/e/_AVaoKbResistor Set: https://s.click.aliexpress.com/e/_dTFiUgNMale to Male Jumper Wires: http://s.click.aliexpress.com/e/cnhvUw2cWires: https://s.click.aliexpress.com/e/_dWzOfkADisclosure: Bear in mind that some of the links in this post are affiliate links and if you go through them to make a purchase I will earn a commission. Keep in mind that I link these companies and their products because of their quality and not because of the commission I receive from your purchases. The decision is yours, and whether or not you decide to buy something is completely up to you.Music from Youtube audio library.youtube.com/channel/UCr1hW0rMwhUGBPne6FYdyIQ
P-Channel MOSFET as a Switch. Turn ON a 12V Motor with Arduino. (Step-By-Step Guide) Indrek 2020-02-03 | This is a tutorial about using a P-Channel Enchantment Type MOSFET as a switch to turn ON and OFF a 12V Motor.UPDATE:You should also add a 100-ohm resistor between the Arduino pin and the Gate terminal of the MOSFET. The MOSFET has a small capacitance that starts to charge/discharge when you switch the Arduino pin. This creates a short current spike that can be bad for the Arduino pin. Especially if you plan to do high-frequency switching.Diagrams and code:circuitjournal.com/how-to-use-a-p-channel-mosfet-with-an-arduinoI am using an IRF9540N, but you can use some other logic level P-Channel Enchantment Type MOSFET.Buy from AliExpress.com:IRF9540N: https://s.click.aliexpress.com/e/_d8JPiEsDisclosure: Bear in mind that some of the links in this post are affiliate links and if you go through them to make a purchase I will earn a commission. Keep in mind that I link these companies and their products because of their quality and not because of the commission I receive from your purchases. The decision is yours, and whether or not you decide to buy something is completely up to you.Music from Youtube library.
N-Channel MOSFET as a Switch. Turn ON a 12V Motor with Arduino. (Step-By-Step Guide) Indrek 2020-01-27 | This is a tutorial about using an N-Channel Enchantment Type MOSFET as a switch to turn ON and OFF a 12V Motor.UPDATE:You should also add a 100-ohm resistor between the Arduino pin and the Gate terminal of the MOSFET. The MOSFET has a small capacitance that starts to charge/discharge when you switch the Arduino pin. This creates a short current spike that can be bad for the Arduino pin. Especially if you plan to do high-frequency switching.Full connection diagram: circuitjournal.com/img/diagrams/n_channel_mosfet_connections.jpgI am using a 30N06L, but you can use some other logic level N-Channel Enchantment Type MOSFET.Buy from AliExpress.com:30N06L: http://s.click.aliexpress.com/e/DdgS25tQDisclosure: Bear in mind that some of the links in this post are affiliate links and if you go through them to make a purchase I will earn a commission. Keep in mind that I link these companies and their products because of their quality and not because of the commission I receive from your purchases. The decision is yours, and whether or not you decide to buy something is completely up to you.Music from Youtube library.
The Simplest Way to Wire a Button to Arduino (with Internal Pull-Up) | Arduino Button Tutorial Indrek 2019-11-23 | This is a tutorial for wiring a button to Arduino. If your wires are short then you don't need to add an external pull-up or pull-down resistor since Arduino has internal pull-up resistors that can be activated in code by calling pinMode(pinNumber, INPUT_PULLUP);Diagrams and pictures:circuitjournal.com/the-simplest-way-to-wire-a-button-to-arduinoMusic from Youtube audio library.
Show prop - Arduino Hotline Phone Indrek 2019-11-02 | This is a show prop for a deal or no deal type of game.It has a remote controlled relay that turns on the flashing light on top of the phone. When phone is picked up the flashing stops. In this project the phone does not ring and there is no sound from the speakers.Buy from AliExpress.com (affiliate links):Arduino Nano: https://s.click.aliexpress.com/e/_Ao54InRemote Relay: http://s.click.aliexpress.com/e/mk1c4ICYN-Channel mosfet: http://s.click.aliexpress.com/e/DdgS25tQDisclosure: Bear in mind that some of the links in this post are affiliate links and if you go through them to make a purchase I will earn a commission. Keep in mind that I link these companies and their products because of their quality and not because of the commission I receive from your purchases. The decision is yours, and whether or not you decide to buy something is completely up to you.Music from Youtube audio library.
Using MP3 player module to play sound (Arduino project) - Activity Box #2 Indrek 2019-06-16 | This is the first update to my DIY project to create a baby activity box. Here I am using the DFPlayerMini Mp3 player module. Arduino detects if one of the buttons is pressed and then plays an MP3 file on the SD card.Buy from AliExpress.com (affiliate links):DfPlayer Mini: https://s.click.aliexpress.com/e/_A8SBXLArduino Nano: https://s.click.aliexpress.com/e/_Ao54InMusic:You So Zany by Audionautix is licensed under a Creative Commons Attribution license (creativecommons.org/licenses/by/4.0)Artist: http://audionautix.com
Arduino Powered Baby Activity Box #1 Indrek 2019-05-26 | This is my next DIY project to create a baby activity box. The goal is to create a box with buttons and lights that can play sound and flash LED lights.Music:You So Zany by Audionautix is licensed under a Creative Commons Attribution license (creativecommons.org/licenses/by/4.0)Artist: http://audionautix.com
Use Your Arduino Memory More Efficiently (C++ Tutorial) Indrek 2019-05-12 | This is a tutorial that shows how to use memory more efficiently with C++ by using bitfields. Since Arduino memory is very limited then it can be very useful if you have to hold lots of data in memory.Music from Youtube audio library.
DfPlayer Mini Module - Play MP3 Files With an Arduino (Step-by-step Guide) Indrek 2019-04-28 | Diagrams and pictures:circuitjournal.com/how-to-use-the-dfplayer-mini-mp3-module-with-an-arduinoThere was a mistake in my previous video about the DFPlayer Mini module. Since its input pins are not 5V tolerant we need to have a voltage divider for the RX signal.Link to the previous video: youtu.be/DImZRkXsMsUBuy from Amazon :DFPlayer Mini module: amzn.to/3cjzURFGenuine Arduino Nano: amzn.to/2zF8Q2eLow Wattage Speakers: amzn.to/36OsMeRBreadboard: amzn.to/2zKBLSgResistor set: amzn.to/3bhwzItMale to male jumper wires: amzn.to/2TX0GZP(As an Amazon Associate I earn from qualifying purchases)Buy from Aliexpress:DFPlayer Mini module: https://s.click.aliexpress.com/e/_A8SBXLArduino Nano Compatible Board: https://s.click.aliexpress.com/e/_Ao54InLow Wattage Speakers: https://s.click.aliexpress.com/e/_AYvCgrBreadboard: http://s.click.aliexpress.com/e/c8fITwTmResistor Set: https://s.click.aliexpress.com/e/_dTFiUgNSet of Jumper Wires: http://s.click.aliexpress.com/e/cnhvUw2cDisclosure: Bear in mind that some of the links in this post are affiliate links and if you go through them to make a purchase I will earn a commission. Keep in mind that I link these companies and their products because of their quality and not because of the commission I receive from your purchases. The decision is yours, and whether or not you decide to buy something is completely up to you.Music from Youtube audio library.youtube.com/channel/UCHF8dGfnDzTO-8K5mYMohXAFrancis Preve
Dont Let Your Arduino Code Turn Into a Mess (for C++ beginners) Indrek 2019-03-31 | It is very common for beginners to write "digitalRead" and "digitalWrite" everywhere all over the code. This makes it harder to read since it is very low level of abstraction and you have to think about wire connections while trying to understand what the code is supposed to do. To improve readability of your code it is good idea to make functions with descriptive names that clearly say what you actually want to do and then do the necessary "digitalRead" or "digitalWrite" inside that function.Music from Youtube audio library.
Update: Save Images To a Folder with OV7670 and Arduino Indrek 2019-03-09 | This is update to the "Color Images to PC with OV7670 and Arduino" video.I have updated my ArduinoImageCapture. Now you can select a folder and all captured images are automatically saved to that folder.Previous video:youtube.com/watch?v=L9DTW1ulsT0 LiveOV7670 project (Arduino): github.com/indrekluuk/LiveOV7670 Arduino image capture project (Java): github.com/indrekluuk/ArduinoImageCapture Buy from AliExpress.com:OV7670: https://s.click.aliexpress.com/e/_AZB9lNUno clone: https://s.click.aliexpress.com/e/_AVaoKbBreadboard: http://s.click.aliexpress.com/e/c8fITwTmJumper Wires: http://s.click.aliexpress.com/e/cnhvUw2cDisclosure: Bear in mind that some of the links in this post are affiliate links and if you go through them to make a purchase I will earn a commission. Keep in mind that I link these companies and their products because of their quality and not because of the commission I receive from your purchases. The decision is yours, and whether or not you decide to buy something is completely up to you.Music from Youtube audio library.
Virtual tour in my apartment (Unity WebGL) Indrek 2019-02-23 | When my apartment was remodeled some years ago I got an exported 3D model from CAD program.I cleaned the model up in Blender, imported it into Unity, and added some scripts to make doors open and close automatically.I compiled it into WebGL application:indrekluuk.github.io/apartmentMusic from Youtube audio library.
LiveOV7670 project now supports Arduino Mega Indrek 2019-01-26 | This is another follow-up to "Arduino OV7670 live image to screen" video. I added Arduino Mega 2560 support for the LliveOV7670 project. Some PINs needed to be re-arranged. LiveOV7670 project (Arduino): github.com/indrekluuk/LiveOV7670 Buy from AliExpress.com:OV7670: https://s.click.aliexpress.com/e/_AZB9lNMega clone: http://s.click.aliexpress.com/e/bdNLBF1q1.8" Display: https://s.click.aliexpress.com/e/_Ac4S6cBreadboard: http://s.click.aliexpress.com/e/c8fITwTmJumper Wires: http://s.click.aliexpress.com/e/cnhvUw2cDisclosure: Bear in mind that some of the links in this post are affiliate links and if you go through them to make a purchase I will earn a commission. Keep in mind that I link these companies and their products because of their quality and not because of the commission I receive from your purchases. The decision is yours, and whether or not you decide to buy something is completely up to you.Music from Youtube audio library.
Update: Using grayscale image to get faster framerate Indrek 2019-01-20 | I added grayscale support to my Arduino LiveOV7670 project. It is faster since now there is less information to transfer over UART. You have to update both the LiveOV7670 and ArduinoImageCapture projects from Github. The original tutorial video for this project:youtube.com/watch?v=L9DTW1ulsT0 LiveOV7670 project (Arduino): github.com/indrekluuk/LiveOV7670 Arduino image capture project (Java): github.com/indrekluuk/ArduinoImageCapture Buy from AliExpress.com:OV7670: https://s.click.aliexpress.com/e/_AZB9lNUno clone: https://s.click.aliexpress.com/e/_AVaoKbBreadboard: http://s.click.aliexpress.com/e/c8fITwTmJumper Wires: http://s.click.aliexpress.com/e/cnhvUw2c Disclosure: Bear in mind that some of the links in this post are affiliate links and if you go through them to make a purchase I will earn a commission. Keep in mind that I link these companies and their products because of their quality and not because of the commission I receive from your purchases. The decision is yours, and whether or not you decide to buy something is completely up to you.Music from Youtube audio library.
Perfect First Layer with a Delta Printer - Mesh Bed Leveling in MatterControl Indrek 2019-01-13 | I have Rostock MAX 3D printer. I have always had issues when I needed to print something with a large first layer area. It's probably due to the math of how delta printers work that causes sectors near towers appear higher (even though the glass bed is perfectly flat). I discovered that the issue can totally be resolved with Bed Leveling settings in MatterControl.
Using Paint Format in Google Docs and Microsoft Word to Fix Sequences Indrek 2019-01-06 | It has always been frustrating to me to get sequences work correctly in word processing. I have always felt that I have to trick it to force it to behave as I want. But recently I learned that "Paint Format" also applies to lists and sequences in Google Docs and Microsoft Word. It even works perfectly with sub-lists. Music from Youtube audio library.
LiveOV7670 Code Modifications for WAVGAT Nano Indrek 2018-12-15 | This is a follow-up to the previous WAVGAT videos. Here I explain what changes I had to make to the LiveOV7670 code to make it work on WAVGAT Nano. LiveOV7670 project (Arduino): github.com/indrekluuk/LiveOV7670Buy from AliExpress.com:OV7670: https://s.click.aliexpress.com/e/_AZB9lNWAVGAT Nano: http://s.click.aliexpress.com/e/_s0SoU71.8" Display: https://s.click.aliexpress.com/e/_Ac4S6cDisclosure: Bear in mind that some of the links in this post are affiliate links and if you go through them to make a purchase I will earn a commission. Keep in mind that I link these companies and their products because of their quality and not because of the commission I receive from your purchases. The decision is yours, and whether or not you decide to buy something is completely up to you. Music from Youtube audio library.
OV7670 With WAVGAT Arduino Nano At 20 Frames Per Second! Indrek 2018-12-07 | Live OV7670 now runs on WAVGAT MCUs. Frame rate is twice as fast since it runs at 32Mhz (Atmel based Arduinos run at 16Mhz).Source:github.com/indrekluuk/LiveOV7670Buy from AliExpress.com:OV7670: https://s.click.aliexpress.com/e/_AZB9lNWAVGAT Nano: http://s.click.aliexpress.com/e/_s0SoU71.8" Display: https://s.click.aliexpress.com/e/_Ac4S6cDisclosure: Bear in mind that some of the links in this post are affiliate links and if you go through them to make a purchase I will earn a commission. Keep in mind that I link these companies and their products because of their quality and not because of the commission I receive from your purchases. The decision is yours, and whether or not you decide to buy something is completely up to you.Music from Youtube audio library.
OV7670 Camera Module with Arduino: Color Image To PC (Step-By-Step Guide) Indrek 2018-12-02 | UPDATE! PLEASE READ!I have updated the code from using the outdated "rxtx" library to "jSerialComm". You can skip the "-Djava.library.path" in the VM options.You can find full updated instructions of how to set-up the Java project at the Github page: github.com/indrekluuk/ArduinoImageCapture------------------------------------------------------This is a follow-up to the "Arduino OV7670 live image to screen" video. In this tutorial, I am connecting only a camera to Arduino (no screen) and sending images to a computer over the serial connection. The image can be transferred with up to 2Mbit/sec baud rate. Although that speed is not very stable and I have set 1Mbit/sec as default. Interestingly though the 1Mbit/sec only works with Arduino clones. With Genuine Arduino Uno you have to lower the baud rate since 1Mbit/sec is always very glitchy. I think that for some reason Chinese ch340 serial chip handles high speeds better than FTDI chip used in the original Arduino. LiveOV7670 project (Arduino): github.com/indrekluuk/LiveOV7670 Arduino image capture project (Java): github.com/indrekluuk/ArduinoImageCapture Buy from Amazon :OV7670 camera module: amzn.to/3pGWVpaGenuine Arduino Uno: amzn.to/2ZXfdsrGenuine Arduino Nano: amzn.to/2zF8Q2eBreadboard: amzn.to/2zKBLSgResistor set: amzn.to/3bhwzItSet of jumper wires: amzn.to/3dkDw7r(As an Amazon Associate I earn from qualifying purchases)Buy from Aliexpress:OV7670 Camera Module: https://s.click.aliexpress.com/e/_AZB9lNArduino Nano Compatible Board: https://s.click.aliexpress.com/e/_Ao54InArduino Uno Compatible Board: https://s.click.aliexpress.com/e/_AVaoKbSet of Jumper Wires: http://s.click.aliexpress.com/e/cnhvUw2cResistor Set: https://s.click.aliexpress.com/e/_dTFiUgNBreadboard: http://s.click.aliexpress.com/e/c8fITwTmDisclosure: Bear in mind that some of the links in this post are affiliate links and if you go through them to make a purchase I will earn a commission. Keep in mind that I link these companies and their products because of their quality and not because of the commission I receive from your purchases. The decision is yours, and whether or not you decide to buy something is completely up to you.00:00 Intro00:14 Demo00:24 Arduino code01:40 Setting up ArduinoImageCapture02:54 OUTDATED. Not needed anymore!03:21 Running the application04:30 ArduiniImageCapture on Mac05:04 Wiring the camera to the Arduino08:05 Demo - 320x240 1Mbit/sec08:30 Demo - 320x240 2Mbit/sec (glichy image)08:51 Demo - 160x120 1Mib/sec09:07 Demo - 160x120 115kbit/secMusic from Youtube audio library.
WAVGAT Nano with Adafruit screen library Indrek 2018-11-17 | The longer goal is to get OV7670Live project working with WAVGAT nano. This video is about getting the Adafruit screen library working with the WAVGAT chip. Buy from AliExpress.com:WAVGAT Nano: http://s.click.aliexpress.com/e/_s0SoU71.8" Display: https://s.click.aliexpress.com/e/_Ac4S6cDisclosure: Bear in mind that some of the links in this post are affiliate links and if you go through them to make a purchase I will earn a commission. Keep in mind that I link these companies and their products because of their quality and not because of the commission I receive from your purchases. The decision is yours, and whether or not you decide to buy something is completely up to you.Music from YouTube library.
How to Use Arduino Timer Interrupts to Create Precise Variable Length Pulses Indrek 2018-11-01 | This is a tutorial video about using the timer interrupt to generate adjustable pulses with Arduino. It can be used to run a stepper motor with great precision. Clip used in the video:youtube.com/watch?v=KwvotMozavkCode:github.com/indrekluuk/code_examples/blob/master/InterruptPulseExample/InterruptPulseExample.inoMusic from YouTube library.
Arduino Nano running at 32Mhz (WAVGAT) Indrek 2018-10-22 | I ordered two WAVGAT Arduino Nanos from e-bay. Instead of Atmel's ATMEGA328P it has WAVGAT AVGA328P chip on it (a Chinese clone of Atmel's chip). I got it working at 32Mhz but unfortunately, I managed to kill one of the units and the other one had some strange behavior.Here is a link to the Russian forum page I mentioned in the video:http://arduino.ru/forum/apparatnye-voprosy/obzor-klona-megi328-lgt8f328pBuy from AliExpress.com:WAVGAT Nano: http://s.click.aliexpress.com/e/_s0SoU71.8" Display: https://s.click.aliexpress.com/e/_Ac4S6cDisclosure: Bear in mind that some of the links in this post are affiliate links and if you go through them to make a purchase I will earn a commission. Keep in mind that I link these companies and their products because of their quality and not because of the commission I receive from your purchases. The decision is yours, and whether or not you decide to buy something is completely up to you.Music from YouTube library.
Faster Arduino Code With Forced Inline Functions (c++). Visual Demonstration. Indrek 2018-10-14 | This is a tutorial that shows how to get inline functions/methods working for Arduino. With Arduino IDE's default c++ compiler optimization parameters it ignores the "inline" keyword. So you need to force it with "__attribute__((always_inline))". Article about forcing inline functions with Arduino:circuitjournal.com/arduino-force-inlineMusic by Epidemic Sound (http://www.epidemicsound.com)
Primitive 3D engine I made in high school (Free Pascal) Indrek 2018-09-23 | Youtube video I was referencing:youtube.com/watch?v=ih20l3pJoeU Back in 2001/2002 when I was in high school I designed my own very primitive 3D engine. Originally I started doing it in Turbo Pascal, but since it had only 64k ram available then I moved it over to Free Pascal. I had to do some bugfixes to get it working in 2018. Credits:Music by Epidemic Sound (http://www.epidemicsound.com)
I designed and 3D printed a toy car Indrek 2018-08-12 | I designed and 3D printed a toy car. You can use a wrench to change tires and attach different parts to the car. It has two different types of hood and three different types of back attachments (seat, spoiler and roof).STL files are available on the Thingiverse page:thingiverse.com/thing:3045887Credits:Music by Epidemic Sound (http://www.epidemicsound.com)
Some mistakes were made (PCB test) #7 Indrek 2018-08-05 | I have assembled and tested the PCB of the plant watering system.I made two mistakes that will be fixed in the next version of the board.Credits:Vector graphics: vecteezy.comMusic by Epidemic Sound (http://www.epidemicsound.com)
My Living Room Lamp Works as a Fly Trap Indrek 2018-05-26 | 1:00:52 - closing the blinds1:02:07 - turning on the lightsI have noticed that flies get trapped under my living room lamp.I think that somehow the reflective ring that holds the lamp together confuses the fly.Does anybody have an idea why the fly is doing that?Credits:Vector graphics: vecteezy.comMusic by Epidemic Sound (http://www.epidemicsound.com)
PCB Design for the Controller Box (#6) Indrek 2018-05-20 | I used KiCAD to design PCB for the plant watering system control box.Github repository for the project (KiCAD project is in the "PCB" folder):github.com/indrekluuk/PlantWateringSystemCredits:Vector graphics: vecteezy.comMusic by Epidemic Sound (http://www.epidemicsound.com)
New Water Tank (#5) Indrek 2018-05-12 | Another update for the automatic plant watering system.Now I am using a standard soda bottle as a water tank. I have 3D printed a new cap with watering faucet for the bottle and housing for the air valve.Credits:Vector graphics: vecteezy.comMusic by Epidemic Sound (http://www.epidemicsound.com)
Change of Plans (#4) Indrek 2018-04-30 | I decided that the current direction I was going with the plant watering system is not good enough. I will separate the control logic (Arduino and batteries) to its own box that will stay outside of the flower pot.Credits:Vector graphics: vecteezy.comMusic by Epidemic Sound (http://www.epidemicsound.com)
Water bottle test for Automatic Plant Watering System (#3) Indrek 2018-04-21 | I 3D printed the first prototype of the water bottle for the watering system.Credits:Vector graphics: vecteezy.comMusic by Epidemic Sound (http://www.epidemicsound.com)
Soil Sensor for Automatic Plant Watering System (#2) Indrek 2018-04-14 | I tested the soil moisture sensor that I am going to use for the watering system.Credits:Vector graphics: vecteezy.comMusic by Epidemic Sound (http://www.epidemicsound.com)
Automatic Plant Watering System With Arduino (#1) Indrek 2018-04-08 | This is my next Arduino project. The goal is to create a device that measures soil moisture in the flower pot and uses an electromagnetic valve to control the water flow.Later I will use my 3D printer to create a box with a water tank for the device.Credits:Vector graphics: vecteezy.comMusic by Epidemic Sound (http://www.epidemicsound.com)
DIY LED Candle (3D printing project + some electornics) Indrek 2018-03-26 | This was our Christmas present project in 2016. It is a battery powered 3D printed LED candle.Credits:Music by Epidemic Sound (http://www.epidemicsound.com)
3D Printed Face Plate Design for the Escape Room Puzzle Indrek 2018-03-21 | An update video for the Escape Room Puzzle. I started to make a 3D printed box for the device and just finished the face plate design. It took me eight iterations.Credits:Music by Epidemic Sound (http://www.epidemicsound.com)
Running your Arduino on a Single AA Battery Indrek 2018-03-15 | This is a tutorial that shows how I run my Arduino devices on batteries that are below 5V.Using a DC-DC boost converter that bumps up the voltage from 1 volt to 5 volts.Article about Arduino power pins:circuitjournal.com/arduino-power-pinsBuy from Aliexpress:1 to 5V to 5V: https://s.click.aliexpress.com/e/_AT8OdWDisclosure: Bear in mind that some of the links in this post are affiliate links and if you go through them to make a purchase I will earn a commission. Keep in mind that I link these companies and their products because of their quality and not because of the commission I receive from your purchases. The decision is yours, and whether or not you decide to buy something is completely up to you.Credits:Music by Epidemic Sound (http://www.epidemicsound.com)
Dice Rolling Statistics of My Dice Machine Indrek 2018-03-11 | I analyzed rolling statistics of the Dice Machine I showed in the previous video: youtu.be/iiNgu3sKJKYSource code: github.com/indrekluuk/DiceMachineCredits:Vector graphics: vecteezy.comMusic by Epidemic Sound (http://www.epidemicsound.com)
Arduino Project: Dice Machine Indrek 2018-03-07 | An Arduino project I made a couple of years ago.GitHub project: github.com/indrekluuk/DiceMachineCredits:Vector graphics: vecteezy.comMusic by Epidemic Sound (http://www.epidemicsound.com)
Arduino Traffic Light Project (a Practical Example of Organizing Your C++ Code) Indrek 2018-03-04 | You can turn on subtitles if my accent is hard to understand.Github page: github.com/indrekluuk/ArduinoClassesTutorialMusic by Epidemic Sound (http://www.epidemicsound.com)
