Gravity Digital PIR Infrared Motion Sensor

This DFRobot Gravity motion detector uses a pyroelectric infrared sensor (PIR) to detect moving people and animals up to 7 m away within an angle of 110°. After power-up the sensor needs 1 to 2 seconds to capture the still room, after that the digital output switches when motion is detected. The hold time is set with the potentiometer, a jumper selects single or repeatable triggering.

Note: The connection cable can be converted to male pins with a Dupont cable M-M, so that it also fits an Arduino UNO.

Recommended Accessories:

• Dupont Cables M-M 10cm 20 Pieces
• Gravity IO Expansion Shield for Arduino V7.1

Features:

• Digital output, connects directly to a digital input
• Detection angle 110°, range up to 7 m
• Hold time adjustable with the potentiometer, 0.5 to 50 s
• Jumper H: repeatable trigger, L: single trigger
• 3-pin Gravity connector: signal, VCC, GND
• Current consumption 50 µA

Application Examples:

• Switching on lights when motion is detected
• Alarm systems and presence detection
• Triggering interactive exhibits and feeders

Documentation:

• Wiki DFRobot SEN0018
• Example code for Arduino (DFRobot wiki)
• Schematic (PDF)

Technical Data:

• Manufacturer: DFRobot
• Manufacturer SKU: SEN0018
• Type: digital, PIR
• Supply: 3 to 5 V (DFRobot wiki, the product page states 5 V)
• Current consumption: 50 µA
• Output level: HIGH 4 V, LOW 0.4 V
• Detection angle: 110°
• Range: up to 7 m
• Hold time: 0.5 to 50 s (potentiometer)
• Operating temperature: 0 °C to +70 °C
• Connector: 3-pin Gravity (signal, VCC, GND)
• Dimensions: 28 × 36 mm
• Weight: 25 g (DFRobot)

Scope of Delivery:

• 1× Gravity digital PIR infrared motion sensor
• 1× Gravity sensor cable 3-pin, PH2.0 to XH2.54