参考(抄袭)资料在这里
先接线,3.3v,gnd,数据输出脚,我是PG11
vim /boot/armbianEnv.txt
overlays=w1-gpio param_w1_pin=PG11 param_w1_pin_int_pullup=1
vim /etc/modules-load.d/modules.conf
w1-gpio
w1-therm
cd /sys/bus/w1/devices,ls能看到一个带数字的设备,里面有一个w1-slave文件,这个里面包含温度信息
golang代码参考这里
package main import ( "fmt" "github.com/yryz/ds18b20" "time" ) func main() { sensors, err := ds18b20.Sensors() if err != nil { panic(err) } fmt.Printf("sensor IDs: %v\n", sensors) for{ for _, sensor := range sensors { t, err := ds18b20.Temperature(sensor) if err == nil { fmt.Printf("sensor: %s temperature: %.2f°C\n", sensor, t) } } time.Sleep(1 * time.Second ) } }