GC-D 100 Revision A

the LED for every count of radiation detected. Revision B should be done pretty soon, there's a few more things I'd like to test beforehand. Once I get the Geiger counter fully functioning with a reworked board then I can confirm the fixes for Rev B are good and send the board off to BatchPCB. Features in Rev B: Accurate 4.194304 MHz clock for timing, real time clock HV header, adding the possibility for a different (external) Geiger tube attatchment Fixes for Rev B: Resistor swap for ...








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