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Home / Computer Hardware, Monitors & Peripherals / Mini AM312 Human Body Infrared Induction Module, Pyroelectric IR Sensor, Motion Detection Probe Board
Computer Hardware, Monitors & Peripherals

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Operating Voltage DC 3.3V - 5V
Detection Distance Up to 7 meters
Detection Angle 100 degrees cone angle
Output Signal 3.3V TTL logic level
Delay Time Adjustable (5s - 200s)
Blockade Time 2.5 seconds (default)
PCB Dimensions 22mm x 17mm
Working Temperature -20°C to +80°C
Sensor Type Pyroelectric Infrared (PIR)
Package Includes 1 x AM312 Module, 1 x Pin Header

5 reviews

A

Anonymous

Apr 15, 2026

Rating: 3/5

Range varies

Works okay indoors, but struggles with glass obstacles.

A

Anonymous

Mar 29, 2026

Rating: 5/5

Easy to use

Simple wiring and plenty of tutorials online.

A

Anonymous

Mar 25, 2026

Rating: 5/5

Perfect for Arduino Projects

Works flawlessly with my Uno. Very sensitive and compact.

A

Anonymous

Mar 09, 2026

Rating: 4/5

Good value

Does the job well. Wish the pins were pre-soldered.

A

Anonymous

Jan 18, 2026

Rating: 5/5

Tiny but mighty

Great detection range for such a small board.

5 FAQ

Q: What is the output current?

A: The output current is less than 100uA.

Q: Does it detect pets?

A: It detects heat movement, so larger pets may trigger it.

Q: Can I use this with 3.3V logic?

A: Yes, it operates between 3.3V and 5V.

Q: Is it waterproof?

A: No, this module is for indoor use only.

Q: How do I adjust sensitivity?

A: There is a potentiometer on the back for time delay adjustment.

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