There’s a scene in Willy Wonka and the Chocolate Factory where a little flap in the wall flips down to reveal a small organ embedded there. Gene Wilder plays a …read more (https://hackaday.com/2024/03/19/2024-home-sweet-home-automation-a-piano-controlled-smart-home/)

Cute CO2 Gauge Tells You When to Crack a Window
https://hackaday.com/2024/03/19/cute-co2-gauge-tells-you-when-to-crack-a-window/

[Cyrill] has a good home automation scheme going: there are a number of physical switches set around the place that control the essential functions. The only problem is that in …read more (https://hackaday.com/2024/03/19/cute-co2-gauge-tells-you-when-to-crack-a-window/)

Breadboard SDR Doesn’t Need Much
https://hackaday.com/2024/03/19/breadboard-sdr-doesnt-need-much/

[Grug Huhler] built a simple Tayloe mixer and detector on a breadboard. He decided to extend it a bit to be a full-blown software defined radio (SDR). He then used …read more (https://hackaday.com/2024/03/19/breadboard-sdr-doesnt-need-much/)

Your Text Needs More JPEG
https://hackaday.com/2024/03/19/your-text-needs-more-jpeg/

We’ve all been victims of bad memes on the Internet, but they’re not all just bad jokes gone wrong. Some are simply bad as a result of being copies-of-copies, as …read more (https://hackaday.com/2024/03/19/your-text-needs-more-jpeg/)

Repairing a Gear with a Candle (and Some Epoxy)
https://hackaday.com/2024/03/19/repairing-a-gear-with-a-candle-and-some-epoxy/

You have a broken gear you need to fix, but there’s no equivalent part available. That’s the issue [Well Done Tips] faced with a plastic gear from a lawnmower. While …read more (https://hackaday.com/2024/03/19/repairing-a-gear-with-a-candle-and-some-epoxy/)

Arduino Gear Shift Indicator Finds ‘Em So You Won’t Grind ‘Em
https://hackaday.com/2024/03/20/arduino-gear-shift-indicator-finds-em-so-you-wont-grind-em/

Now, it’s been a shamefully long time since we’ve driven a car with a manual transmission, but as we recall it was pretty straightforward. It certainly didn’t require a lot …read more (https://hackaday.com/2024/03/20/arduino-gear-shift-indicator-finds-em-so-you-wont-grind-em/)

Commodore CHESSmate Replica Runs on the ESP32
https://hackaday.com/2024/03/20/commodore-chessmate-replica-runs-on-the-esp32/

The Commodore CHESSmate chess computer might not be terribly well known, but that doesn’t make it any less worthy of being reproduced. If anything it is more important, as it …read more (https://hackaday.com/2024/03/20/commodore-chessmate-replica-runs-on-the-esp32/)