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 was found in a Radio Electronics magazine from November 1991. The circuit operates at 2.2...
April 2017 - The Shields of Seed Grove Modules for Intel Joule can now be obtained from Mouser...
The circuit shown is from the 1960 Mullard transistor reference manual. The circuit has a common...