Quantity   Component name
1 × Arduino Nano
3 × LND 7317 Geiger-Mueller Tube Details/Order: http://www.lndinc.com/products/geiger-mueller-tubes/7317/
3 × iRover HV Board/signal processor Available upon request from International Medcom (https://medcom.com)
1 × Buzzer
1 × Resistor 100 Ohm
1 × Perma-Proto Half-sized Breadboard e.g. from Adafruit
9 × Female Headers "Swiss Machine Pin" Need three per detector