shop/ proximity-presence/ dfrobot gravity pir motion sensor -

Detect Nearby Objects Without Contact

The Motion PIR Sensor Gravity is a proximity presence sensor module with digital output designed for presence sensing, short-range detection, and touchless automation. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.

Key details include Interface: Digital GPIO.

Why you’ll love it

  • Easy wiring: Digital GPIO
  • Maker-friendly build: Easy to use in prototypes, classroom projects, and custom electronics
  • Common controller support: Works well with Arduino, ESP32, Raspberry Pi, and similar boards
  • Project-ready sensing: obstacle detection, touchless triggers, object counting, and simple automation

Compare with similar products

Product Sensor style Standout
Motion PIR Sensor Gravity proximity presence sensor module with digital output Current item
PIR Motion Sensor Module Digital HC-SR501 proximity presence sensor module with digital output digital output
PIR Micro Motion Detection Sensor AM312 proximity presence sensor module with digital output digital output, infrared sensing
Infrared Motion Sensor PIR Arduino Digital Gravity infrared proximity sensor with digital output digital output, infrared sensing

What you can build

This sensor is a good fit for touchless dispensers, object counters, door triggers, small robots, and presence alarms.

Starter bundles

Pair it with an Arduino-compatible board, ESP32, or Raspberry Pi, plus a breadboard and jumper wires for quick setup and testing.

Recommended add-ons

Useful add-ons include a microcontroller board, jumper wires, and pull-up or pull-down support when needed, depending on how you plan to power, mount, and log the sensor.

Technical specifications

Product Motion PIR Sensor Gravity
Interface Digital GPIO
Category proximity presence sensors

Wiring & usage notes

Connect power and ground, then wire the output pin to a digital GPIO input. Check whether the module uses active-high or active-low logic in your code.

What’s in the box

1 × Motion PIR Sensor Gravity

Frequently Asked Questions

What does the Motion PIR Sensor Gravity measure? It is designed to measure nearby objects, remote IR signals, or motion.
Can I use it with Arduino, ESP32, or Raspberry Pi? Yes. It is well suited for common maker and embedded platforms, as long as you power it at the correct voltage and match the signal level to your controller.
How do I connect this Digital GPIO sensor? This sensor provides a digital switching-style signal that is easy to read from a GPIO pin.
What affects accuracy? Power quality, wiring, mounting, target material, and the real environment can all affect the reading. It is best to test and calibrate in the final setup.
Is it good for prototyping? Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.

Build with this board

// from learn.circuit.rocks

Notes from the bench

// from blog.circuit.rocks

Ask the community

// from forum.circuit.rocks