IR sensor Module. Components. IR pair (IR LED and Photodiode) IC LM358; Resistor 100, 10k, 330 ohm; Variable resistor – 10k; LED; You can see the connections in the IR sensor circuit diagram. Photo ...

In this tutorial we will show you how to get the variable regulated Voltage from the LM317 IC. With a small circuitry attached with LM317 we can get variable voltage up to 37v with 1.5A max current.

50K, 1K Ohm resistor. 1N4007 Diode. BC547 Transistor. 50K, 1K Ohm resistor. BC547 Transistor. This Circuit is to operate 230V AC bulb or light on LDR circuit. This will use in our house, garage, ...