This automotive circuit was found in the September 1992 issue of Radio Electronics magazine. The circuit directly drives a relay that must have a coil resistance greater than 65 ohms.
This 5.1 MHz oscillator was found in a 1980s American documentation. The used operational...
This configuration has already been used several times in many of our projects and can be found in...
This simple circuit makes use of neon lamps to indicate the voltage of a power grid. The lamps are...