Indicated for alarm applications, this circuit was found in the December 1976 issue of Radio Electronics magazine. The circuit is for 12 V car applications.
This circuit generates a pulse of approximately 1 second when the light incident on the sensor...
The 3403 operational amplifier is not common today, but the configuration can be implemented with...
This circuit, published in 1978, can use any general purpose NPN transistor such as the BC548 and...