DIY Geiger Counter with USB Interface
You probably don’t need a Geiger Counter but wouldn’t it be fun to have one? This DIY Geiger Counter project will not only demonstrate how to build one, this circuit will also connect to a computer using USB to grab the data. Since this device used very high voltage the output to the USB is opto-isolated to protect the delicate low voltage computer circuitry. "The Geiger-Muller tube is a