The node is designed to work with the miniature HC-SR505 motion sensor. It allows detecting movement of people and animals within the sensor's range.
HC-SR505 Technical Specifications
Supply Voltage: 5V - 20V (optimal 5V)
Current Consumption: 50 μA
Detection Angle: 100°
Detection Range: 3 meters
Frequency: 20 Hz
Node Pins
Input Pins:
IN - digital pin number of Arduino connected to the sensor's OUT pin
UPD - update pin (triggers reading from the sensor)
Output Pin:
OUT - boolean value:
true - motion detected
false - no motion detected