Here we are going to build a motion-controlled fan project using ATmega328 and RCWL-0516 Doppler RADAR Motion Sensor. This project will eliminate the need of manually turning on/off the room fan while ...

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 ...

Motion sensor alarms are readily available in the market, but these are expensive. Here is a simple and inexpensive Arduino based motion sensor alarm with voice alert. It can be used for security ...

In this CD4017 project, I have shown how to make a simple motion sensor ... as per the circuit diagram. Then connect the CD4017 board with the PCB. Now connect the 220V AC supply. Please refer to this ...

An automatic bathroom light Circuit can be made in several ways, depending on your preference and budget. Some of the options make use of either a motion sensor, a smart switch, an occupancy sensor, ...