Project 31 · Sensor Catalog (Vol III)

RCWL-0516 Microwave Radar

Detect motion through walls and obstacles using the power of Doppler Effect radio waves!

Starter 20 min 5 components
RCWL-0516 Microwave Radar wiring diagram

What you'll learn

  • Understand the difference between Passive Infrared (PIR) and Microwave Doppler radar sensing.
  • Be able to interpret digital signals from a motion sensor using an Arduino.
  • Learn how the Doppler Effect is applied in electronic distance and motion measurement.
  • Configure a 3-pin digital sensor circuit on a breadboard.

What's in the kit

  • Arduino Uno R3
  • RCWL-0516 Microwave Radar Sensor
  • Breadboard (Half Size)
  • Jumper Wires (Male-to-Male)×4
  • USB Cable (Type A to B)

Protocol: digital