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.
March 2017 – Mouser Electronics already has the new Texas Instruments INA260 digital current and...
This tester from a 1960 magazine is only for capacitors with insulation voltages above 200 V (110...
This source was obtained from a former publication for valves but also serves for powering common...