SBM-21 Micro geiger tube
l.i.papadopol
This is the smalles geiger tube I could find. It’s so cute but… so insensitive to the background. It’s a good tube to build around it a personal dosimeter. It’s…
2018
CM108AH USB soundcard on a chip
I’ve found great difficulty to find an application note of this USB soundcard on a chip. I ve decided to share here the info that I’ve found. I’ve made various…
SBM20 The quintessential russian geiger tube.
The SBM20 is the most produced of the russian geiger tubes. Probably it’s also the most produced tube in all world. It’s characteristics and cheapness makes it as a first…