Kevin Darrah

Electronics Tutorials, Programming, Tips/Tricks, and Design Services

[Kevin Darrah @KDcircuits]

Got the robo eyes working on the vPlayer! https://t.co/kq6hdeaBu4

[Kevin Darrah @KDcircuits]

Want to program ESP32' with a GUI to select files?
https://t.co/J14Pj3cGlf

[Kevin Darrah @KDcircuits]

Somebody said the vPlayer board would be make a cool security monitor?
https://t.co/ymZkuBSzIK

[Kevin Darrah @KDcircuits]

Tutorial on the Knick Knack Video Player! + Full Design Review of the Ultimate ESP32 vPlayer Project
https://t.co/Pp0FL4L1iT

[Kevin Darrah @KDcircuits]

Knick-Knack Video player for whatever you can think of? https://t.co/iLyPOKIqYw

[Kevin Darrah @KDcircuits]

https://t.co/IAd5i8ADmY

[Kevin Darrah @KDcircuits]

The vPlayer - Ultimate IoT Display - now available: https://t.co/kq6hdeaBu4

[Kevin Darrah @KDcircuits]

should've learned my lesson by now... somehow this evil cable made into my development setup today...

[Kevin Darrah @KDcircuits]

It's been over a decade since all of my 8x8x8 LED Cube Tutorials - glad to see people are still finding them useful today! Look at this amazing cube build by Warren!

[Kevin Darrah @KDcircuits]

wow, just had chatGPT solve a bug for me - had an old Processing Sketch that was failing to compile in v4, was importing both serial and io libs and was getting a "Serial is ambiguous error" threw that into ChatGPT - and instantly told me what to do! Pretty crazy!

[Kevin Darrah @KDcircuits]

First draft working! Completely standalone UPDI programmer from an SD Card! My code here: https://t.co/RbiwHKwBL0 and you'll see a link to my fork of the Adafruit_AVRProg lib

[Kevin Darrah @KDcircuits]

@GeorgeIoak yea I'm using that code as well...been struggling to get everything to work though... are you open sourcing your design? Here's my board: https://t.co/jF2ppvlPJd

[Kevin Darrah @KDcircuits]

Anyone interested in this idea? Standalone UPDI programmer? Burns files from an SD Card to target. Been playing around with this for a day or so now...

[Kevin Darrah @KDcircuits]

well now I know where that mysterious 160mA is going - cooking up a smoked TVS diode! glad I pulled out the @flir camera before I started tearing this board up

[Kevin Darrah @KDcircuits]

New batch of my ultra low power ESP32 board (trigBoard) - making quick work of flashing/testing/calibrating 100's of boards with a couple standalone ESP32 programmer boards: https://t.co/6w0oEBICUL

[Kevin Darrah @KDcircuits]

My FTDI based USB-Serial Converter has been out of stock for months... finding genuine FT230X parts right now is nearly impossible! Refreshing an @octopart tab every day, finally scored some from @alliedelec - Now we're back in stock! https://t.co/DPiXE39tMe

[Kevin Darrah @KDcircuits]

@justinrwlynn exactly!

[Kevin Darrah @KDcircuits]

Been testing a new project... my family doesn't even ask questions anymore when they see things like this

[Kevin Darrah @KDcircuits]

@RiriMaiyuliani nailed it!!

[Kevin Darrah @KDcircuits]

Standalone ESP32 Programmer and Test Solution https://t.co/0l4N7Ya4qe