Arduino Uno; PIR Motion Sensor; Jumper Wires; HC-SR501 PIR Motion Sensor Pinout. The PIR motion sensor consists of 3 pins-VCC, GND, and the Data Output Pin. VCC is the power pin of the module. Out is ...

Arduino Motion Sensor – Circuit and Working The circuit diagram of the automation device using a motion sensor is shown in Fig. 2. It consists of an Arduino Nano board (MOD1), a PIR sensor (S1), a ...

Contribute to Shionjee7/-Motion-Sensor-Alarm-System-in-Arduino development by creating an account on GitHub. Skip to content. ... (To connect arduino board to PC) Motion sensored alarm system using an ...

Step 3: Working Of The Circuit. The working of this circuit is very simple. At first, the state of the PIR sensor is set to LOW. it means that no motion is detected. When a motion will be detected by ...

The block diagram of the motion sensor alarm is shown in Fig. 2. Fig. 1: Author’s prototype Fig. 2: Block diagram of motion sensor alarm Circuit and working. The circuit diagram of the motion sensor ...