Instead, it transpired that this TM1637 module had huge (10nF) capacitors between 0V and the incoming clock and data, causing super-sluggish signal rise times (~100μs). Credit for this discovery goes ...

If you live in a place where sunrise and sunset varies a lot throughout the year you know that setting up an automatic lighting system in your home (or garden) is a pain. DIYer Paulo Renato's solution ...

For one of my hobby projects, I needed to add a small countdown timer at an affordable cost. Fortunately, a DigiSpark Attiny85 development board was lying around on my workbench. The next component ...