We found this light relay circuit in year 2000 documentation. The relay is 6 V and the circuit includes a power supply. It can be used to control various devices from the incident light in the LDR.
This simple calibration circuit consists of a crystal oscillator that generates an accurate 100 kHz...
This circuit generates 5 notes in sequence, which are programmed in the connections of the 4017...
This circuit makes use of comparators and common operational amplifiers, having been found in...