HC-SR04

hcsr04 is a driver allowing to usea HC-SR04 ultrasound distance sensor

Documentation

For full documentation, please visit

Quick start

package main

import (
	"fmt"
	"os"
	"time"

	"github.com/raspberrypi-go-drivers/hcsr04"
	"github.com/stianeikeland/go-rpio/v4"
)

func main() {
	err := rpio.Open()
	if err != nil {
		os.Exit(1)
	}
	defer rpio.Close()
	h := hcsr04.NewHCSR04(17, 27)
	h.StartDistanceMonitor()
	for {
		fmt.Println(h.GetDistance())
		time.Sleep(hcsr04.MonitorUpdate)
	}
}

Raspberry Pi compatibility

This driver has has only been tested on an Raspberry Pi Zero WH using integrated bluetooth but may work well on other Raspberry Pi having integrated Bluetooth

License

MIT License

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Special thanks to @stianeikeland

This driver is based on his work in stianeikeland/go-rpio