M5Stack PIR Unit Motion Detector AS312

The PIR Unit from M5Stack detects movements of people and animals from changes in thermal radiation. When motion is detected, it outputs a HIGH signal and holds it for 2 seconds. Further motion during this time extends the signal.

Recommended Accessories:

• M5Stack M5GO IoT Starter Kit V2.7
• 200cm M5Stack Grove Cable
• M5Stack Grove2Dupont Conversion Cable 20cm 10pcs

Features:

• AS312 PIR sensor
• Output HIGH on motion, hold time 2 s, retriggerable
• Connects to Port B. The Basic Core itself only has Port A, Ports B and C come with the M5GO base, for example in the M5GO IoT Starter Kit V2.7
• 2 mounting holes for snap pins or screws

Application Examples:

• Switching on a light on motion
• Alarm system
• Detecting presence

Documentation:

• M5Stack documentation Unit PIR
• Arduino tutorial by M5Stack

Technical Data:

• Manufacturer: M5Stack
• Manufacturer SKU: U004
• Sensor: AS312
• Detection range: up to 500 cm (M5Stack)
• Detection angle: < 100°
• Hold time: 2 s
• Quiescent current: < 60 µA
• Operating temperature: -20 to 80 °C
• Connection: Grove HY2.0-4P, Port B (GPIO)
• Pinout: black GND, red 5V, yellow not connected, white output
• On the M5Stack Basic: white G36
• Dimensions: 32 × 24 × 13 mm
• Weight: 19.5 g

Scope of Delivery:

• 1× M5Stack PIR Unit Motion Detector AS312
• 1× Grove cable 20 cm
• 1× storage box