Light Dark Sensor With Relay Circuit Using LM741

Above is a schematic diagram of an LM741 light/dark sensor circuit (from the excellent 741 Op-Amp Tutorial by Tony van Roon).The ECG128/NTE1...

BC108 Water Activated Relay Circuit

Water Activated Relay circuit For electronic circuit has two transistors wired as a pair, together with high gain. 2N2222A transistor T1 a...

IC 555 Time Delay Relay Circuit

Time Delay CircuitIn the design of analog circuits, there are times when you would need to delay a pulse that came into a circuit before bei...

Video Activated Relay Circuit

If you want the tuner you need to build the tuner by yourself ? The relay contactor output was connecting to electronic circuit by under co...

BC108 Water Activated Relay Circuit

For electronic circuit has two transistors wired as a pair, together with high gain. 2N2222A transistor T1 and T2 is BC108. The actual profi...