ESP32 Brings New Features To Classic Geiger Circuit - There’s no shortage of Geiger counter projects based on the old Soviet SBM-20 tube... - https://hackaday.com/2024/06/24/esp32-brings-new-features-to-classic-geiger-circuit/ #environmentalmonitoring #microcontrollers #radiationmonitor #geigercounter #greenhacks #esp32 #mqtt