MightyOhm Geiger Counter Case
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A Geiger counter with mini OLED display and MQTT client for integrating to your smarthome dashboard.
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Updated at source:
Model information
- Source
- Printables
- Category
- Physics & Astronomy
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
Mighty Ohm Geiger Counter Enclosure
This project was realized while streaming live at https://www.twitch.tv/chrisfigge.
Years ago i bought a geiger counter kit at chaos communication congress. Time flew by and i forgot about it. A few month ago I found it in one of my “one day i'll do the project”-crates.
Now, after some weeks of tinkering i've done it and added some improvements. I've removed the batteryholder, because I want to use the kit stationary and replaced it with a Wemos D1 mini. Therefore I'm able to connect the geiger counter to my Home Assistant + I added a small OLED Display, to see all data directly when standing in front of it (+ 10 coolness).
After the electronics where finished, I've designed an enclosure, based on the one from DerKurt. Thanks for your awesome work! I've added the possibility to add an OLED display and two buttons, so you're able to switch the menus and disabling the ticking sound.
BOM
- Mighty Ohm Geiger Counter: https://mightyohm.com/blog/products/geiger-counter
- SBM-20 Geiger Tube
- Wemos D1 mini: https://amzn.to/37rq4Rq *
- Mini OLED Display (SSD130): https://amzn.to/3KVpB8J *
- Mini push button: https://amzn.to/3JWwEwt *
- Stepdown module: https://amzn.to/3Evx5wA *
- Breadboard: https://loet.bar/products/lochrasterplatine
- DC-Plug: https://amzn.to/3rSaIKy *
The links marked with * are affiliate links.
Code
Of course there is a repository: https://github.com/flazer/mightyohm-geigercounter
Just click on the link above and have a look there. Feel free to touch, edit and improve the code.
Twitch
If you are interested in what I'm doing, just have a look at twitch: https://www.twitch.tv/chrisfigge
Shop
If you want to support my work somehow, you can have a look at my stickershop, which was actually planed as a shop selling electronics, but somehow we ended with stickers.
Just click here: https://loet.bar
Tip
I am doing all this stuff in my freetime. And, oh boy, these projects take a lot of time. I swear. If you want to support my work, feel free to cheer some bits or giftsubs at my Twitch channel or you can always leave some tip via paypal. Thanks a lot!