想让D2引脚触发接通继电器应该怎么改?
#define BLINKER_WIFI
#include <Blinker.h>
char auth[] = "xxxxxxxxxxxx";
char ssid[] = "xxxxxxx";
char pswd[] = "xxxxxxxxx";
BlinkerButton Button1("btn-abc");
// 按下按键即会执行该函数
void button1_callback(const String & state) {
BLINKER_LOG("get button state: ", state);
digitalWrite(LED_BUILTIN, !digitalRead(LED_BUILTIN));
Blinker.vibrate();
}
void setup() {
// 初始化串口,并开启调试信息
Serial.begin(115200);
BLINKER_DEBUG.stream(Serial);
// 初始化有LED的IO
pinMode(LED_BUILTIN, OUTPUT);
digitalWrite(LED_BUILTIN, HIGH);
// 初始化blinker
Blinker.begin(auth, ssid, pswd);
Button1.attach(button1_callback);
}
void loop() {
Blinker.run();
}
问题过于简单,可能需要了解继电器怎么驱动
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