Project 43 · Sensor Catalog (Vol III)

JSN-SR04T Waterproof Ultrasonic

Build a rugged, industrial-grade distance meter that can survive rain, splashes, and outdoor environments.

Easy 30 min 5 components
JSN-SR04T Waterproof Ultrasonic wiring diagram

What you'll learn

  • Understand how to calculate distance using the 'Time of Flight' principle of sound.
  • Identify the hardware differences between standard and waterproof ultrasonic sensors.
  • Configure digital pins for pulse generation (Trig) and pulse measurement (Echo).
  • Interpret Serial Monitor data to calibrate environmental sensors.

What's in the kit

  • Arduino UNO R3
  • JSN-SR04T Waterproof Ultrasonic Sensor Module
  • Breadboard (half-size)
  • Jumper Wires (M-to-F)×4
  • USB Cable (A to B)

Protocol: digital