James @baldengineer@qoto.org

12/31/2022 Stream: Let's finish up this ultrasonic range finder sign! https://twitch.tv/baldengineer

This sign speaks to me.

I must be on the naughty list. Santa swapped in a dead bearing.

What does this sound like to you? (Sound on, obviously.)

Unhappy op amp is unhappy.

The input step MIGHT be a little fast.

Wed 12/21 Stream: Working on a Parking Distance Display with Ultrasonic Ranger and Neo7Segment displays. https://twitch.tv/baldengineer

Making a thing with some things from the thing holders in my lab. Lots of programming tonight. My "favorite" kind of stream. https://twitch.tv/baldengineer

During live streams, (once again) Twitch chat can now "send" me candy--can I just say this is the most delicious debugging I have ever done?

Fri 12/9 Stream: https://twitch.tv/baldengineer

Converting Treatbot 3 into Treatbot ESP32. (Moving from an 8266.) Soldering, bad coding, and a minimum of hilarious hijinx.

Can anyone recommend tools for doing pixel art / bitmaps for SSD1306-based OLEDs?

I'd like to draw some simple icon-style graphics with 2-3 frames of animation.

Sun 11/27 Stream: Attempting to repair a non-working Game Gear. (We already re-capped it.) https://twitch.tv/baldengineer

A special guest star joins me to help explain how to generate Bode Plots from measurements... https://www.youtube.com/watch?v=I0rDMj6QXfk

Sun 11/20 Stream: Sega Game Gear Recapping / repair. We're replacing the "surface mount" electrolytics with actual surface mount capacitors. We've got three to repair. https://twitch.tv/baldengineer

11/11 Live Stream: Finish the (electrical) part of the PCB. What PCB? A 2022 holiday ornament: NFTy GIFty. https://twitch.tv/baldengineer