Modulo per Arduino
HC-SR501 Human body infrared pyroelectric infrared sensor
Detector Range: 7m
Detector angle: 120°
Working voltage range: 5V- 20V
Working temperature: (-15-+70℃)
Trigger Mode: TTL Voltage output
Level Output: high 3V/low 0V
Level Holding Time: 3s
Quiescent current: <65μA
PCB Dimension: 32mm x 24mm.