Materials could be downloaded here, IOT-GeigerCounter-ESP32：
Ready to play, plug in power cable to 5V USB and ready to play.
shipped with the battery box, and you can press the battery to carry it with you to detect the radiation source.
IOT ThingSpeak code ,IFTTT code
Geiger counter of the Internet of Things (nuclear radiation base station):
Automatically connect and upload data to the server through wifi or mobile wifi hotspot,
Open source Geiger counter,.