Split-flap displays are a great, low-power way to display text to a wide audience. Compared to other display technologies like LCDs they only use energy when the characters change, but have fallen out ...

The Joule Thief Circuit is a simple and clever electronic design that can power an LED using a nearly dead battery.

An unwritten rule is that if two systems runs even roughly the same CPU, you are obligated to port software between them, or at least give it a fair shake. This led [grubbycoder] down the path of ...

Jamovi - free and open statistical software to bridge the gap between researcher and statistician. MonsterWriter - The best way to writing a thesis or note. Mochi - Take notes and make flashcards.