#1856 BS170 Measurement by Hand IMSAI Guy 2024-05-07 | Episode 1856graphing the threshold voltageBe a Patron: patreon.com/imsaiguy
#1855 BSS138 Logic Level Translation IMSAI Guy 2024-05-06 | Episode 1855 chip of the daydon't use 2N7002 or BS170 for level translationBe a Patron: patreon.com/imsaiguy
#1854 Temp Controller Teardown IMSAI Guy 2024-05-05 | Episode 1854just a look insideBe a Patron: patreon.com/imsaiguy
#1853 Free Oscilloscope Probe Attachment IMSAI Guy 2024-05-04 | Episode 1853make one todayBe a Patron: patreon.com/imsaiguy
#1852 OmniBot (part 9 of ) IMSAI Guy 2024-05-03 | Episode 1852a look at the old remoteBe a Patron: patreon.com/imsaiguy
#1851 Linear Optocoupler (part 3 of 3) IMSAI Guy 2024-05-02 | Episode 1851It works and you too can get one:pcbway.com/project/shareproject/Linear_Optocoupler_160f2e4f.htmlBe a Patron: patreon.com/imsaiguy
#1850 Linear Optocoupler (part 2 of 3) IMSAI Guy 2024-05-01 | Episode 1850I layout a board:pcbway.com/project/shareproject/Linear_Optocoupler_160f2e4f.htmlBe a Patron: patreon.com/imsaiguy
#1849 Linear Optocoupler (part 1 of 3) IMSAI Guy 2024-04-30 | Episode 1849can you make the transfer curve of an optocoupler linear?docs.broadcom.com/doc/HCNR200-HCNR201-High-Linearity-Analog-Optocouplers-DSdocs.broadcom.com/doc/AV00-0291ENvishay.com/docs/83708/appnote50.pdfBe a Patron: patreon.com/imsaiguy
#1848 OmniBot (part 8 of ) IMSAI Guy 2024-04-29 | Episode 1848new brain for the robotBe a Patron: patreon.com/imsaiguy
#1847 Elecrow 4.3 esp32 Display Module IMSAI Guy 2024-04-28 | Episode 1847sent into the channel for reviewIt might be a good fit for my robotCrowPanel ESP32 display: elecrow.com/display/esp-hmi-display.html?idd=5CrowPanel ESP32 4.3'' display: elecrow.com/esp32-display-4-3-inch-hmi-display-rgb-tft-lcd-touch-screen.html?idd=5Be a Patron: patreon.com/imsaiguy
#1846 OmniBot (part 7 of ) IMSAI Guy 2024-04-27 | Episode 1846Omnibot is moving with remote controlBe a Patron: patreon.com/imsaiguy
#1845 OmniBot (part 6 of ) L298 H-Bridge IMSAI Guy 2024-04-26 | Episode 1845 chip of the dayI add motor control to the robot using off the shelf L298 modules and esp32Be a Patron: patreon.com/imsaiguy
#1844 OmniBot (part 5 of ) IMSAI Guy 2024-04-25 | Episode 1844OmniBot Controller DevelopmentBe a Patron: patreon.com/imsaiguy
#1843 OmniBot (part 4 of ) IMSAI Guy 2024-04-24 | Episode 1843I decided to use the ESP-NOW wireless interface.Be a Patron: patreon.com/imsaiguy
#1842 OmniBot (part 3 of ) IMSAI Guy 2024-04-23 | Episode 1842use old brains?Crowbot: youtu.be/OgCZ1Togmt4?si=_OPINNJc1rqN01AtBe a Patron: patreon.com/imsaiguy0:00 Begin1:22 the brains inside3:10 MSM4611A 4 bit5:33 ImsaiDog checks it out5:50 recycle existing robot
#1841 OmniBot (part 2 of ) IMSAI Guy 2024-04-22 | Episode 1841crack it open and look insideBe a Patron: patreon.com/imsaiguy
#1840 OmniBot (part 1 of ) IMSAI Guy 2024-04-21 | Episode 1840time to renovate an old friend Be a Patron: patreon.com/imsaiguy
#1839 Radio Shack Electronic Project Kit IMSAI Guy 2024-04-20 | Episode 1839200 in 1 projects for the budding EE zpag.net/Electroniques/Kit/200_manual.pdfBe a Patron: patreon.com/imsaiguy
#1838 TIDRADIO H3 Review IMSAI Guy 2024-04-19 | Episode 1838sent into the channel for review8 bands frequencies, including FM/AM (✈aviation band receiving). AM: 108-136MHz Rx; FM: 50-76MHz Rx, 76-108MHz Rx; VHF: 136-174MHz Tx/Rx, 174-350MHz Rx,350-400MHz Rx; UHF: 400-470MHz Tx/Rx, 470-600MHz Rx.Buy: tidradio.com/products/h3-ham-radioBe a Patron: patreon.com/imsaiguy
#1837 Cheap Battery Tester Teardown IMSAI Guy 2024-04-18 | Episode 1837a bought this just for funBe a Patron: patreon.com/imsaiguy
#1836 8 Pin DIP Random Bit Generator IMSAI Guy 2024-04-17 | Episode 1836 chip of the day (sort of)use a microcontroller (ATTINY85) as a bit generatorLFSR Random Number Generator: youtu.be/WGhRAbQ1fRw?si=lyA2oGOHiSBSX1BABe a Patron: patreon.com/imsaiguy
#1835 HP 6299A 100V Power Supply (part 2 of 2) IMSAI Guy 2024-04-16 | Episode 1835fix it. I'm giving it back to the store for someone to buy. Be a Patron: patreon.com/imsaiguy
#1834 HP 6299A 100V Power Supply (part 1 of 2) IMSAI Guy 2024-04-15 | Episode 1834was given to me by anchor electronics. It has bizzare problemBe a Patron: patreon.com/imsaiguy
#1833 NDS9952A Dual P-chan N-chan FET IMSAI Guy 2024-04-14 | Episode 1833 chip of the daydouble your pleasure, double your funBe a Patron: patreon.com/imsaiguy
#1832 MSGEQ7 7 Channel Graphics Equalizer IMSAI Guy 2024-04-13 | Episode 1832 chip of the daysold by Sparkfun, designed by mix-sig.comcode: github.com/imsaiguy/MSGEQ7Be a Patron: patreon.com/imsaiguy
#1831 Simple Op-amp Tester (part 2 of 2) IMSAI Guy 2024-04-12 | Episode 1831The boards are back! Lets try it outBuy: pcbway.com/project/shareproject/Dual_and_Quad_OpAmp_SImple_Tester_f0fc4495.htmlSMD soldering: youtu.be/aoG15wpobF4?si=YZZvK-BkDMXXUV7qBe a Patron: patreon.com/imsaiguy
#1830 Simple Op-amp Tester (part 1 of 2) IMSAI Guy 2024-04-11 | Episode 1830Simple dual and quad op-amp tester. A quick and easy projectOther people have circuits very very similar. I just wanted to do my own.Buy: pcbway.com/project/shareproject/Dual_and_Quad_OpAmp_SImple_Tester_f0fc4495.htmlBe a Patron: patreon.com/imsaiguy
#1829 MAX338 Analog Switch Multiplexer IMSAI Guy 2024-04-10 | Episode 1829 chip of the dayDG508 newer replacementBe a Patron: patreon.com/imsaiguy
#1828 433MHz Receiver IC CMT2210 IMSAI Guy 2024-04-09 | Episode 1828 chip of the dayscrap from million dollar donors. Reminds me of Logan's RunBe a Patron: patreon.com/imsaiguy
#1827 PZT2222A (aka 2N2222A) SOT223 SMD Transistor IMSAI Guy 2024-04-08 | Episode 1827 chip of the dayold die, new packageBe a Patron: patreon.com/imsaiguy
#1826 MAX11500 Triple Video Amp IMSAI Guy 2024-04-07 | Episode 1826 chip of the dayvideo amplifier with filterthe 12dB gain was probably due to a non 50 ohm input/outputBe a Patron: patreon.com/imsaiguy
#1825 TPS72518 1.8V Regulator IMSAI Guy 2024-04-06 | Episode 1825 chip of the daylow drop out, enable, supervisor, 1A, SMDBe a Patron: patreon.com/imsaiguy
#1824 ROXON Flex Multi-tool Review IMSAI Guy 2024-04-05 | Episode 1824sent into the channel for reviewroxontool.com/products/flexKS2 Review: youtu.be/olt-z-Da_k0?si=Fw8TifhxnC1M-2FrBe a Patron: patreon.com/imsaiguy0:00 Previous Model1:37 Roxon Flex Review
#1823 More Zappy Zap (Tesla coil) IMSAI Guy 2024-04-04 | Episode 1823the 555 survived: youtu.be/8QF_h43L9mghow will the 74HC14 do?Be a Patron: patreon.com/imsaiguy
#1822 Pacific Radionics Power Supply PP-20-3 (part 3 of 3) IMSAI Guy 2024-04-03 | Episode 1822RepairedBe a Patron: patreon.com/imsaiguy
#1821 Pacific Radionics Power Supply PP-20-3 (part 2 of 3) IMSAI Guy 2024-04-02 | Episode 1821troubleshooting with reversed schematicBe a Patron: patreon.com/imsaiguy
#1820 Pacific Radionics Power Supply PP-20-3 (part 1 of 3) IMSAI Guy 2024-04-01 | Episode 1820A gift from anchor-electronics.comPacific Radionics Inc. 581 Division St., Campbell, Calif. history: "Boole & Babbage, Inc., the systems evaluation firm also in Palo Alto, expects to broaden its measurements technology base with the acquisition of Pacific Radionics, of Campbell, which makes interfaces for process control. " -1970Be a Patron: patreon.com/imsaiguy
#1819 Multiple Bypass De-coupling Capacitors IMSAI Guy 2024-03-31 | Episode 1819is more better?Be a Patron: patreon.com/imsaiguy
#1818 Current Source from HP34401 Explained IMSAI Guy 2024-03-30 | Episode 1818viewer request, schematic reviewManual: keysight.com/us/en/assets/9018-05613/service-manuals/9018-05613.pdfBe a Patron: patreon.com/imsaiguy
#1817 Tunnel Diode AI301G (part 3 of 3) Oscillator IMSAI Guy 2024-03-29 | Episode 1817 chip of the day375MHz oscillator. the cap is called gimmic not mimic as I say in the videotunnel diode: youtu.be/sdZkGjj9gFYBe a Patron: patreon.com/imsaiguy
#1816 Tunnel Diode AI301G (part 2 of 3) IMSAI Guy 2024-03-28 | Episode 1816 chip of the dayTunnel Diode Manual: worldradiohistory.com/BOOKSHELF-ARH/Technology/GE-Books/General%20Electric-Tunnel%20Diode%20Manual-First%20Edition-1961.pdfInductor values used in video: 20uH 440uHBe a Patron: patreon.com/imsaiguy
#1815 Tunnel Diode AI301G (part 1 of 3) IMSAI Guy 2024-03-27 | Episode 1815 chip of the daylets play with a tunnel diode and make some graphsBe a Patron: patreon.com/imsaiguy
#1814 100,000 Subscribers! IMSAI Guy 2024-03-26 | Episode 1814Shop tourBe a Patron: patreon.com/imsaiguy
#1813 Handheld Tesla Coil IMSAI Guy 2024-03-25 | Episode 1813Let' see if we can kill a circuitBe a Patron: patreon.com/imsaiguy
#1812 HY1803 Killed in the Last Storm IMSAI Guy 2024-03-24 | Episode 1812I need to repair my power supplyBe a Patron: patreon.com/imsaiguy
#1811 FNIRSI DPOX180H Oscilloscope Review IMSAI Guy 2024-03-23 | Episode 1811sent into the channel for reviewupdate: new firmware fixes the issues shownBuy: https://s.click.aliexpress.com/e/_op3Da0qBe a Patron: patreon.com/imsaiguy
#1810 Audio Spectrum using External Mixer IMSAI Guy 2024-03-22 | Episode 1810My spectrum analyzer goes down to 9kHz. using a mixer we can go lowerBe a Patron: patreon.com/imsaiguy
#1809 D818G Zener Diode with Odd Behavior IMSAI Guy 2024-03-21 | Episode 1809 chip of the daythis one has me stumpedBe a Patron: patreon.com/imsaiguy
#1808 MCP23017 Serial I2C 16-bit Expander IMSAI Guy 2024-03-20 | Episode 1808 chip of the daysimilar to: youtu.be/FDxWaegzaXMBe a Patron: patreon.com/imsaiguy
#1807 Twin T Oscillator IMSAI Guy 2024-03-19 | Episode 1807 circuit of the dayanother oscillator circuit using a twin T notch in the feedbackI had already recorded this video, then Alan released his video first: youtu.be/KFVVozlXoOk?si=krxvnZ64ULhIrRSIBe a Patron: patreon.com/imsaiguy
