This type of circuit and with this integrated circuit appears several times on this website. The circuit has the components dependent on the desired current in the load.
We found this circuit in a 80s documentation. The operational amplifier is from the time and the...
We found this circuit in an old American documentation. The circuit can be applied to modern...
With a touch of the sensor, the output of the 4013 changes state from high to low or vice versa. In...