HC-SR04 Ultrasonic Sonar Distance Sensor + 2 x 10K resistors
HC-SR04 ultrasonic distance sensor for measuring range with a trigger/echo interface in robotics, automation and proximity projects.
Pinout
- VCC1
5 V power input
Type · PowerVoltage · 5V - TRIG2
ultrasonic trigger input
Type · GPIOVoltage · 3V or 5V logic accepted per Adafruit product text - ECHO3
ultrasonic echo pulse output
Type · GPIOVoltage · 5V logic output, use divider for 3V controllers - GND4
common ground
Type · GroundVoltage · 0V
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| VCC | 1 | Power | 5 V power input | 5V |
| TRIG | 2 | GPIO | ultrasonic trigger input | 3V or 5V logic accepted per Adafruit product text |
| ECHO | 3 | GPIO | ultrasonic echo pulse output | 5V logic output, use divider for 3V controllers |
| GND | 4 | Ground | common ground | 0V |
Pin details
4 connections- VCC1
5 V power input
PowerVoltage · 5V - TRIG2
ultrasonic trigger input
GPIOVoltage · 3V or 5V logic accepted per Adafruit product text - ECHO3
ultrasonic echo pulse output
GPIOVoltage · 5V logic output, use divider for 3V controllers - GND4
common ground
GroundVoltage · 0V
Start wiring
I2C · SPI · Single data line · 3.3 – 5 V · Breakout
Pimoroni describes its VL53L1X breakout as a compact time-of-flight distance sensor with I²C address 0x29, 4–400 cm range, 27° field of v…
Module pins: VCC, GND, TRIG. Schematik maps them to your board in the app.
Distance sensors
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