Tell us about yourself!
Lucky HelperView Instructable »
Thank you. I really appreciate that!
Mental MovementView Instructable »
Make sure you have the Adafruit libraries installed that are included with this Instructable.If you don't know how to install the extra libraries please go here:https://www.arduino.cc/en/Guide/Librariesand follow the instructions.If they are installed and the geiger counter LED Cathode Pin is connected properly to the input pin of your nano then after a while you'll start seeing a count indicated on the OLED.Hope this helps and good luck with the project.If you have more problems please let me know.