Security-system-using-Face-recognition-PIR-sensor-and-Raspberry-Pi PIR Sensor is used for detection and face recognition is carried out by IBM Watson service, which can be used in Node Red. This project was carried out by (github username / FULL NAME): 1. abelkurian / ABEL KURIAN OOMMEN. 2. Minu-Thomas / MINU THOMAS. 3. mohammedaslamps / MOHAMMED ASLAM P S.