The Commodore 64 has, by modern standards, the interesting power requirement of needing both 5 VDC and 9 VAC. Traditionally, one would use an iron-core transformer to step-down the wall …read more (https://hackaday.com/2026/05/26/tiny-c64-psu-rejects-tradition-embraces-usb/)

Honeywell X2S Smart Thermostat Firmware Reverse-Engineering
https://hackaday.com/2026/05/26/honeywell-x2s-smart-thermostat-firmware-reverse-engineering/

The Honeywell X2S Smart Thermostat is a Wi-Fi-enabled thermostat that is meant to integrate with your typical ‘smart home’ setup, with mobile app control available as well. Of course, just …read more (https://hackaday.com/2026/05/26/honeywell-x2s-smart-thermostat-firmware-reverse-engineering/)

Drawing Videos On An Etch-a-Sketch
https://hackaday.com/2026/05/26/drawing-videos-on-an-etch-a-sketch/

We’ve covered etch-a-sketch robots before, but usually they’re not quite as fast as [Every Flavor of Robot]’s “video” etch-a-sketch, capable of drawing a full portrait in as little as a …read more (https://hackaday.com/2026/05/26/drawing-videos-on-an-etch-a-sketch/)

Linux on Android Provides Inexpensive, Powerful Computing
https://hackaday.com/2026/05/26/linux-on-android-provides-inexpensive-powerful-computing/

In some parts of the world it’s common for cell service providers to sell new phones at a price significantly below market value, with the caveat that these phones are …read more (https://hackaday.com/2026/05/26/linux-on-android-provides-inexpensive-powerful-computing/)

A Bicycle Built on an Italian Renaissance Tech Base
https://hackaday.com/2026/05/26/a-bicycle-built-on-an-italian-renaissance-tech-base/

There is a drawing of a bicycle in one of Leonarda DaVinci‘s sketchbooks– except it wasn’t drawn by DaVinci, and dates long after his death, so we can’t say the …read more (https://hackaday.com/2026/05/26/a-bicycle-built-on-an-italian-renaissance-tech-base/)

See Aerodynamics in Action with a Desktop Wind Tunnel
https://hackaday.com/2026/05/27/see-aerodynamics-in-action-with-a-desktop-wind-tunnel/

While most of us don’t design aircraft or racing cars, it’s likely that we’re still fascinated by some of the aerodynamic studies behind them. But a full-sized wind tunnel is …read more (https://hackaday.com/2026/05/27/see-aerodynamics-in-action-with-a-desktop-wind-tunnel/)

So Long, CHU, and Thanks for All the Time Signals
https://hackaday.com/2026/05/27/so-long-chu-and-thanks-for-all-the-time-signals/

In the long ago, pre-internet days when your clock project wasn’t an ESP32 getting its timing via NTP over WiFi, it was still possible to build a wirelessly-updating clock. All …read more (https://hackaday.com/2026/05/27/so-long-chu-and-thanks-for-all-the-time-signals/)

Autopsy of a Failed Vintage Carbon Resistor
https://hackaday.com/2026/05/27/autopsy-of-a-failed-vintage-carbon-resistor/

Although resistors are hardly among the most exciting components, they are arguably one of the most important ones, as anyone who has done any amount of circuit design and debugging …read more (https://hackaday.com/2026/05/27/autopsy-of-a-failed-vintage-carbon-resistor/)