There are lots of MCUs with many GPIOs, but apparently, they’re never enough. Wanna 40 more?
Lot of power to deliver around your system and too much cabling weight? HV might be the way to go.
LT3650-8.4 based Li-ion 2S battery charger and UPS with 9 to 32Volt input and open collector status signals for control…
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!