Gravity: Digital PIR (Motion) Sensor

Digital PIR motion sensor for Arduino and Raspberry Pi. Detects infrared radiation changes for motion detection and home automation.

Logical pinout · physical placement not verified

DGravity PH2.0-3 signal pin
Digital motion output from the SEN0171 PIR sensor; DFRobot example wiring connects this output to Arduino digital pin 2, and the result text says it outputs about 3V high when motion is detected and 0V otherwise.
Type · SignalVoltage · 0V low, about 3V high when triggered; module operates from 3.3V to 5V
VCCGravity PH2.0-3 power pin
Module supply input for the Gravity digital PIR motion sensor.
Type · PowerVoltage · 3.3V to 5V
GNDGravity PH2.0-3 ground pin
Ground reference for module power and digital output.
Type · GroundVoltage · 0V

Pin	Position	Type	Function	Voltage
D	Gravity PH2.0-3 signal pin	Signal	Digital motion output from the SEN0171 PIR sensor; DFRobot example wiring connects this output to Arduino digital pin 2, and the result text says it outputs about 3V high when motion is detected and 0V otherwise.	0V low, about 3V high when triggered; module operates from 3.3V to 5V
VCC	Gravity PH2.0-3 power pin	Power	Module supply input for the Gravity digital PIR motion sensor.	3.3V to 5V
GND	Gravity PH2.0-3 ground pin	Ground	Ground reference for module power and digital output.	0V

Logical pinout · physical placement not verified

Pin details

3 connections

D
Digital motion output from the SEN0171 PIR sensor; DFRobot example wiring connects this output to Arduino digital pin 2, and the result text says it outputs about 3V high when motion is detected and 0V otherwise.
SignalVoltage · 0V low, about 3V high when triggered; module operates from 3.3V to 5V
Gravity PH2.0-3 signal pin
VCC
Module supply input for the Gravity digital PIR motion sensor.
PowerVoltage · 3.3V to 5V
Gravity PH2.0-3 power pin
GND
Ground reference for module power and digital output.
GroundVoltage · 0V
Gravity PH2.0-3 ground pin

Start wiring

Analog · I2C · UART · 3.3 – 5 V · Breakout

Verify supply voltage and logic levels before powering up.

Module pins: VCC, GND, D. Schematik maps them to your board in the app.

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