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Geiger counter with SI-3BG Russian tube

Monday, January 14th, 2013

Erdabyz designed a Geiger counter around a SI-3BG Geiger Muller tube. It uses a PIC16F1508 to read the radiation level, and passes it to a computer via a FT232R USB-to-Serial IC. Timer 1 uses a secondary xtal oscillator at 32,768kHz as clock source. Every 2 seconds the timer overflows. Output...

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Recent Comments

  • Parkview: Another great idea! Be handy to be able to purchase the corresponding SMD and TH sockets as well.
  • Ryan White: Second that. I'd love the option to extend this already awesome tool to RF cables, hoping it's already in the works because I know the...
  • Tom Keddie: Hi Ian, Congrats on the launch. Suggest you name all the CHRO connectors you have as female. It's not done often but you can insert...
  • Craig Hollabaugh: Excellent post! Thanks
  • Drone: We need RF/Coaxial cables with connectors. Pre-made custom RF cables/connectors are insanely high in price. We'll pay more for an option to sweep them.