New HC-SR501 Infrared PIR Motion Sensor Module for Arduino Raspberry pi
1,43 €
It is a HC--SR501 Sensor Module. It has a high value of 3.3 volts and a low of 0 (it is either on or off). The entire sensor with the board is 32mm by 24mm (standard pir motion sensor). Either one will work.
Jetzt bei Ebay:
