https://stream.echo6.co/videos/watch/f2137451-f722-4a4e-bc19-3f5a9981a1a0 When I showed you our Atomic Shelter in video #151, I thought, the cold war is over and these shelters are a thing of the past. Just a few days later I had to learn that this is not true anymore. Is it necessary again that we own our own Geiger counter to alarm us if radioactivity is in the air? If you think yes, it is necessary, you will find how you can build one for about 50 dollars In tis video we will: Build a Geiger Counter with long-term monitoring capabilities using Thingspeak, Make it send alarms to our Smartphone using IFTTT notifications, Understand how it works (incl diagram), Links: Geiger Counter: http://bit.ly/2v3LVH8 or http://s.click.aliexpress.com/e/q37mIMR or https://amzn.to/3qtksfm ESP32 (added later, not tested): https://www.aliexpress.com/item/1005007531980796.html Nylon spacers: http://bit.ly/2fOJe58 Sketch and diagram: https://github.com/SensorsIot/Geiger-Counter-RadiationD-v1.1-CAJOE- Publication about accuracy: https://www.davidpublisher.org/Public/uploads/Contribute/59362348f32fd.pdf What is fall-out: http://undergroundbombshelter.com/radiation-fallout.htm Counter Board: RadiationD-v1.1 (CAJOE) This episode is based on this work: https://github.com/mkheck/ArduinoGeigerCounter Supporting Material and Blog Page: http://www.sensorsiot.org Github: https://www.github.com/sensorsiot If you want to support the channel and buy from Banggood use this link to start your shopping: https://bit.ly/2jAQEf4 (no additional charges for you) Official Wemos Store: http://s.click.aliexpress.com/e/jUzBiIq https://www.facebook.com/SensorsIOT/ https://twitter.com/spiessa https://www.instructables.com/member/Andreas%20Spiess/ Please do not try to Email me or invite me on LinkedIn. These communication channels are reserved for my main job If you want to buy me a coffee: https://www.paypal.me/AndreasSpiess Mon, 13 Apr 2026 15:09:59 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/f2137451-f722-4a4e-bc19-3f5a9981a1a0 All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.