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Holger Fleischmann
2019-04-14 18:34:32 +02:00
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# IoT Geiger Counter with ESP32, OLED Display and Thingspeak Channel # IoT Geiger Counter with ESP32, OLED Display and Thingspeak Channel
- Measures radioactive gamma and beta radiation with already quite good resolution at the typical low levels of the background radiation (due to the big STS-6 tube)
- Displays the current counts per minute (CPM), estimated dose equivalent rate in micro-Sievert per hour (µS/h) and 10 minutes history with 5 second resolution as bargraph
![Circuit Board](media/geiger-counter-pcb.jpg)
- Low-power mode for use with batteries, OLED display and click sounds on, WiFi off - Low-power mode for use with batteries, OLED display and click sounds on, WiFi off
- WiFi mode for thingspeak data upload every minute, see https://thingspeak.com/channels/758223 - WiFi mode for thingspeak data upload every minute, see https://thingspeak.com/channels/758223
[![https://thingspeak.com/channels/758223](media/thingspeak.png)](https://thingspeak.com/channels/758223) [![https://thingspeak.com/channels/758223](media/thingspeak.png)](https://thingspeak.com/channels/758223)
![Circuit Board](media/geiger-counter-pcb.jpg)
Feel free to use this project as a base for your own projects AT YOUR OWN RISK! Feel free to use this project as a base for your own projects AT YOUR OWN RISK!