This circuit was found in the June 1980 issue of Radio Electronics magazine. The circuit uses an integrated circuit from time, and a power Darlington that must be equipped with a heat sink.
Common operational amplifiers can be used on this circuit. The resistor with no value in series with...
The purpose of this circuit is to detect the movement of a person by the changes in light that...
Found in an Analog Devices documentation from the 90s, this circuit uses a component of the time,...