BoardPilotJSN-SR04T waterproof ultrasonic distance with ESP32
Supply 5 V
Bus GPIO
Measures distance
Pins and ESP32 wiring
| Pin | Role | ESP32 pin | Notes |
|---|---|---|---|
| 5V | Power | VIN | Use VIN |
| TRIG | Input (the ESP32 drives it) | D25 | |
| ECHO | Output (the part drives it) | D26 | May output 5 V: use a voltage divider |
| GND | Ground | GND |
Suggested wiring for the 30-pin ESP32 DevKit, avoiding flash, input-only and strapping pins. BoardPilot checks it for you as you wire.
This module is sold for 5 V. Its outputs may be 5 V: use a level shifter or a voltage divider on ESP32 inputs.
Sources
- JSN-SR04T module manual, Mode 1 (default): trigger/echo like HC-SR04, minimum distance about 20 cm
Try it in 3D in BoardPilot
Related parts
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Part data: CC BY 4.0, free to reuse with credit to BoardPilot.