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.
Found in a PE Hobbyst Handbook, this circuit checks if there is voltage in a power outlet by...
This circuit was found in an article in Electronics Now magazine from June 1998. The sensor...
This circuit generates an FM signal of 4.7 or 10.7 MHz for audio signals on analog TV or FM, with...