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Detect Nearby Objects Without Contact
The Microwave Digital Sensor Motion Detection is a proximity presence sensor module with digital output designed for obstacle detection, touchless triggers, object counting, and simple automation. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.
Key details include Working Voltage: 5V + 0.25V; Output Power (minimum): 13dBm EIRP; Interface: Gravity 3-Pin interface（Digital）.
Why you’ll love it
- Non-contact detection: Non-contact detection
- Key feature: Readings not affected by temperature, humidity, noise, air, dust or light - suitable for harsh environments
- Wide detection range and high velocity: Wide detection range and high velocity
- Useful spec: < -10dBm
- Easy wiring: Gravity 3-Pin interface（Digital）
- Controller output: 13dBm EIRP
Compare with similar products
| Product | Sensor style | Standout |
|---|---|---|
| Microwave Digital Sensor Motion Detection | proximity presence sensor module with digital output | Current item |
| PIR Micro Motion Detection Sensor AM312 | proximity presence sensor module with digital output | digital output, infrared sensing |
| Distance Sensor 10-80cm GP2Y0A21YK0F Sharp | infrared distance sensor with digital output | adjustable sensing range, infrared sensing |
| Microwave Doppler Radar Distance Sensor SENS-RCWL-0516 | infrared distance sensor | temperature sensing |
What you can build
This sensor is a good fit for robot obstacle avoidance, touchless dispensers, automatic doors, object counters, parking aids, and level 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 | Microwave Digital Sensor Motion Detection |
|---|---|
| Harmonic Emission | < -10dBm |
| Vertical 3dB Beam Width | 36 degrees |
| Interface | Gravity 3-Pin interface（Digital） |
| Output Power (minimum) | 13dBm EIRP |
| Working Voltage | 5V + 0.25V |
| Working Current (CW) | 60mA max., 37mA typical |
| Average Current (5%DC) | 2mA typ. |
| Emission Frequency | 10.525 GHz |
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 × Microwave Digital Sensor Motion Detection
Frequently Asked Questions
What does the Microwave Digital Sensor Motion Detection measure?
It is designed to measure motion, tilt, rotation, or orientation.
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.
Does it need calibration?
Yes. Chemical and gas sensors usually need warm-up time, calibration, and periodic checking if you want stable readings.
Is it good for prototyping?
Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.
Manila stock. Order before 16:00 PHT, ships today via J&T or LBC. Provincial: 1–3 working days.
Schools / class POs: we accept Purchase Orders for accredited schools and universities. contact us with your PO details.
Returns: 7-day inspection window for DOA units. Email proof of issue and we ship a replacement.
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