[naturejab] shows off his solar powered pyrolysis machine which can convert scrap plastic into fuel. According to the video, this is the world’s most complex hand-made pyrolysis reactor ever made. …read more (https://hackaday.com/2025/08/23/solar-powered-pyrolysis-facility-converts-scrap-plastic-into-fuel/)

Candle Oscillator Really Heats Things Up
https://hackaday.com/2025/08/23/candle-oscillator-really-heats-things-up/

As the timebase for a clock, almost anything with a periodic oscillation can be used. Traditionally, that meant a pendulum, but in our time, we’ve seen plenty of others. Perhaps …read more (https://hackaday.com/2025/08/23/candle-oscillator-really-heats-things-up/)

Who is Your Audience?
https://hackaday.com/2025/08/23/who-is-your-audience/

Here at Hackaday HQ, we all have opinions about the way we like to do things. And no surprise, this extends to the way we like to lay out circuits …read more (https://hackaday.com/2025/08/23/who-is-your-audience/)

ESticky is a Paperless Post-It
https://hackaday.com/2025/08/23/esticky-is-a-paperless-post-it/

E-paper screens have opened up a wide variety of novel use cases that just wouldn’t work with the higher power draw of an LCD. [gokux] thought it would be perfect …read more (https://hackaday.com/2025/08/23/esticky-is-a-paperless-post-it/)

LeRobot Brings Autonomy to Hobby Robots
https://hackaday.com/2025/08/23/lerobot-brings-autonomy-to-hobby-robots/

Robotic arms have a lot in common with CNC machines in that they are usually driven by a fixed script of specific positions to move to, and actions to perform. …read more (https://hackaday.com/2025/08/23/lerobot-brings-autonomy-to-hobby-robots/)

Picking an Old Operating System
https://hackaday.com/2025/08/23/picking-an-old-operating-system/

We usually at least recognize old computer hardware and software names. But [Asianmoetry] taught us a new one: Pick OS. This 1960s-era system was sort of a database and sort …read more (https://hackaday.com/2025/08/23/picking-an-old-operating-system/)

Dealing With the 1970s EPROM Chaos in 2025
https://hackaday.com/2025/08/23/dealing-with-the-1970s-eprom-chaos-in-2025/

It could be argued that erasable programmable ROMs (EPROMs) with their quaint UV-transparent windows are firmly obsolete today in an era of various flavors of EEPROMs. Yet many of these …read more (https://hackaday.com/2025/08/23/dealing-with-the-1970s-eprom-chaos-in-2025/)