Using 5 V relays, this circuit can be used as a control shield for microcontrollers. The circuit uses relays, and the motor voltage is independent of the control voltage.
This circuit causes an instrument needle to oscillate to signal an event. The circuit is powered by...
We found this circuit in Radio Electronics magazine from May 1967. The circuit has the tuned...
This conventional power supply uses integrated regulators for 1 A. Several regulators are used. The...