Anyone who has designed circuits using the 555 timer chip will, at some time have wished that it could be programmed for longer timing pe...

The Car Voltage Gauge is based on 3 parts. The input circuit is an Analog to Digital Converter (IC2 CA3162E). The purpose of this chip is...

Game Sherlock Holmes: Crimes & Punishments is an exciting adventure story, adventure, created by Frogware. Action Sherlock Holme...

To get a more precise output voltage, replace zener diode Z1 with 10V and R1 with a 1Kilo ohm potentiometer. A Coolrib for Q1 is optional ...