AC Motor Converted into DC eBike Powerplant
https://hackaday.com/2026/01/15/ac-motor-converted-into-dc-ebike-powerplant/

AC induction motors are everywhere, from ceiling fans to vehicles. They’re reliable, simple, and rugged — but there are some disadvantages. It’s difficult to control the speed without complex electronics, …read more (https://hackaday.com/2026/01/15/ac-motor-converted-into-dc-ebike-powerplant/)

The Random Laser
https://hackaday.com/2026/01/15/the-random-laser/

When we first heard the term “random laser,” we did a double-take. After all, most ordinary sources of light are random. One defining characteristic of a traditional laser is that …read more (https://hackaday.com/2026/01/15/the-random-laser/)

Building a Carousel Autosampler
https://hackaday.com/2026/01/15/building-a-carousel-autosampler/

A common task in a laboratory setting is that of sampling, where a bit of e.g. liquid has to be sampled from a series of containers. Doing this by hand …read more (https://hackaday.com/2026/01/15/building-a-carousel-autosampler/)

Building an Escape Room Lockbox with the ESP32 Cheap Yellow Display (CYD)
https://hackaday.com/2026/01/15/building-an-escape-room-lockbox-with-the-esp32-cheap-yellow-display-cyd/

Here’s something fun from [Chad Kapper] over on HackMakeMod: Escape Room Lockbox with the Cheap Yellow Display. You may have heard of the “cheap yellow display” (CYD), so-called due to …read more (https://hackaday.com/2026/01/15/building-an-escape-room-lockbox-with-the-esp32-cheap-yellow-display-cyd/)

Project Fail: Cracking a Laptop BIOS Password Using AI
https://hackaday.com/2026/01/15/project-fail-cracking-a-laptop-bios-password-using-ai/

Whenever you buy used computers there is a risk that they come with unpleasant surprises that are not of the insect variant. From Apple hardware that is iCloud-locked with the …read more (https://hackaday.com/2026/01/15/project-fail-cracking-a-laptop-bios-password-using-ai/)