This tool executes a batch script once during the whole time the computer is on. It can limit one instance running at a time. Check the process ID in the registry to see if it is still running. All Keys that are used for telling if it should spawn a new process are volatile, meaning …
Monthly Archives: January 2021
De Sauty’s Bridge
This bridge is good for measuring Capacitors. What you do is hookup high impedance headphones to the output(V2 in the NL5 Circuit). Then adjust the resistor(s) , you can use the calculator below to find a suitable resistance for the resistors. This works like a Wheatstone bridge except one side has capacitors. The calculator calculates …
DIY USB Rechargeable Flashlight
This flashlight is very simple to build. It uses a cellphone li-ion battery . Its rechargeable. It should only draw about 900mA from the battery. It lasted for about 74 minutes before it went too much below the light bulb voltage. I measured it while the light was off after it went dead it read …
Circuit Simulator