Amazon.com: MightyOhm Geiger Counter Kit Bundle : Toys & Games
I've built an online Geiger counter in Arduino IDE that helps me keep track of ionizing radiation in my city : r/arduino
Geiger-Müller counter demonstration - YouTube
Geekcreit Assembled Geiger Counter Module Miller Tube GM Tube Nuclear Radiation Geekcreit for Arduino - products that work with official Arduino boards Sale - Banggood USA
DIY Arduino Geiger Counter - YouTube
Geiger Counter with Arduino and 16×2 LCD – Mohammad Forgani – (Forghanian)