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 ...

Circuit Diagram for IR Motion Sensor Module. The schematic diagram of the IR Motion sensor is shown below. The schematic itself is very simple and needs a handful of generic components to build. If ...

Circuit operation. Circuit diagram of the IR motion sensor relay switch is shown in Fig. 2. It is built around a PIR motion sensor module (connected across CON2), MOSFETs BS170 (T1) and IRF9540 (T2), ...

IR based light control: Receiver circuit Receiver. Fig. 2 shows the receiver circuit. It consists of IR sensor TSOP1738, dual monostable multivibrator CD4538 (IC1) and a few discrete components.. When ...

So, you can easily make this home automation project at home just by using an ESP32 and relay module. Or you can also use a custom-designed PCB for this project. This is the complete circuit diagram ...

If you don't want to use PCB, you can also make this IoT project using an 8-channel relay module, ESP32, and IR receiver sensor. Required Components: ESP32 DEVKIT V1 board; 8-channel SPDT 5V Relay ...