Soldering preheater.
Another device just for fun.
Another device just for fun.
Received some stuff.
VNA test
Checking «old» and creating new
+ video
https://github.com/enthru/qmTech_adc https://github.com/enthru/redQmtech_notes/tree/main
It’s based on the same module as first one — gra & afch ad9910.