Pack of 5pcs RCWL-0516 Motion Detection Sensor Microwave Radar Sensor Switch Module FZ2728X5

Pack of 5pcs RCWL-0516 Motion Detection Sensor Microwave Radar Sensor Switch Module  FZ2728X5
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  • Product Code: FZ2728X5-RCWL-0516
  • Availability: In Stock
  • $8.99
  • Ex Tax: $8.99
  • Price in reward points: 3
  • 2 or more $7.99
  • 5 or more $6.22
  • 25 or more $4.50
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Tags: RCWL-0516 Motion Detection Sensor, Microwave Radar Sensor


Wide operating voltage range: 4-28V
Can output 3.3V power supply
Blocking time, adjustable distance
Using special signal processing control chip RCWL-9196
Compared with the traditional infrared induction PIR, the penetration detection ability 

About pin header:

CDS = No connection
VIN = 5vdc (+) (9v battery also Ok)
OUT = 3.3vdc signal out when triggered
GND = 0vdc (-)
3V3 = No connection (in most applications)

C-TM: Adjust repeat trigger time (default 2 s). Adding a capacitor will give a longer repeat trigger time.
R-GN: Detection distance adjustment (default 7 m). Adding a resistor the detection distance will become shorter. If connected with a 1-MΩ resistor, detection range is about 5 m.
R-CDS: By adding a resistor (in parallel with the internal 1-MΩ resistor), user can change the light detection threshold as per individual requirement. This is applicable only when a light sensor is soldered in its pads (CDS) on the front of the circuit board. A 47–100K resistor works fine with standard 5-mm LDRs

Package Included:
5 X RCWL-0516 Module Microwave Radar Sensor
5 X 4P Bend Pin Headers


Q: Can you use the RCWL-0516 with an ESP8266? Or will you get random false positive results? 
A: I've done a short term test with the ESP8266 on a NodeMCU board. It seems to work just fine. The ESP greater Version 12-E is shielded and is FCC certified. So it should, by definition, not interfere with other electronics.  However, one viewer reported random false positive results on a long shot.

Q: Is the water in the human body responsible for the detection? 
A: Probably. I tested it with one empty and one water filled bottle. And even with a cat. And it seems that the bigger the object the further away it can be detected.

Q: Can it be mounted mobile to detect persons?  
A: No. The sensor seems to be quite sensible to movement itself. Any movement of the sensor itself seems to trigger the output.

Q: Does the radiation of the sensor harm you in long term? 
A: No. The Sensor uses about 30 milliwatts (mW). The radiation output is limited to that value. That is far less than your smartphone emits.

5 line:

Feature: The module has the characteristics of high sensitivity, high induction distance, high reliability, large induction angle, wide power supply voltage range, etc. it is widely used in various kinds of human body induction lighting and alarm and so on

Works with Nodemcu Document link: https://github.com/jxmot/ESP8266-RCWL0516#rcwl0516-details

Works with Arduino Document link : https://www.hackster.io/remnis/coolest-motion-detection-sensor-ever-d2d688

It can work with (for) arduino/nodemcu/wemos etc.; It can detect human, cat, rat, water

What you will get: 5pcs RCWL-0516 Module, 5pcs 4P bend pin header, one year warranty

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