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not great, not terrible - diy geiger counter based on RadiationD v1.1 cajoe with LCD display and Wemos D1 R2 (esp8266) : r/3Dprinting
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Amazon.com: Portable Handle Geiger Counter 0.01 μSv/h DIY Kit Nuclear Radiation Detector with Miller GM Tube Gamma Beta Ray Suit for Arduino : Industrial & Scientific
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Amazon.com: Assembled DIY Geiger Counter Kit Nuclear Radiation Detector GM Tube 120 x 50 mm : Electronics
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