This circuit uses a common multimeter on the voltage scale. The calibration of the scale should be done based on transistors with known gains.
This circuit counts from 1 to 10 or 0 to 9 using as indicators common LEDs. The circuit can be...
This two-relay circuit gives drive logic that is clear when analyzing the circuit. In the original...
August 2017 - Bourns Multifuse AEC-Q200 PTC resettable fuses can be obtained from Mouser...