This circuit was found in the September 1997 issue of Electronics Now magazine. The circuit uses two op-amps and includes the symmetrical power supply.
We found this circuit in a 2003 documentation. The purpose is to make the player choose one or two...
Output stages driving relays or other loads are plugged to the outputs of a 4017. The trigger...
This simple bridge unbalances according to the resistance variation in the electrodes. The circuit is...