This circuit was found in a 1992 publication. What it does is to light an external lamp when it gets dark. The trigger point adjustment is made in a potentiometer or trimpot and the sensor is a common LDR.
Found in a 1970 EEE, this circuit uses general-purpose transistors of the time. Transistors support...
The Texas Instruments PLLatinum ™ synthesizer can be obtained from Mouser Elecgtronics to generate...
The purpose of this circuit is to trigger an oscillator with the light of dawn. The tone of the...