How fast could you draw a 400 pin BGA board? 2-5 hours? How about 30 minutes? or 5…
There are lots of MCUs with many GPIOs, but apparently, they’re never enough. Wanna 40 more?
NE555 and Digital potentiometer based pulse delay generator: trigger it and get a pulse back after some delay!
Triac control circuit with built-in zero crossing detection and open collector output
Breadboards are for fast little circuits, Arduino for Makers, and.. 42M3? For System Designers!