1: Author’s prototype arrangement for Wireless security system System block diagram of the wireless security system is shown in Fig. 2. The project uses PIR motion sensors to detect motion and ...

As shown in the above schematic diagram for Raspberry Pi and PIR sensor based motion detector, the positive pin of PIR sensor is connected with the pin 4 (5v) and ground pin of PIR sensor is connected ...

The system level block diagram shown ... decided that the water sensor was an appropriate sensor to use due to the system’s dependence on fluid levels. We also decided that the distance sensor was a ...