esp8266_server.send(200, "text/html", ""); } void LED_light_while(void) { digitalWrite(LED_BUILTIN,HIGH); delay(2000); digitalWrite(LED_BUILTIN,LOW); esp8266_server.sendHeader("Location","/"); // 跳转回页面根目录 esp8266_server.send(303); // 发送Http相应代码303 跳转 } 1. 2....
pinMode(LED_BUILTIN, OUTPUT); // 设置LED引脚为输出引脚 digitalWrite(LED_BUILTIN, LOW); // 设置引脚为低电平,点亮LED /* 设置周期性定时0.5s,即500ms,回调函数为timer1_cb,参数为LED引脚号,并启动定时器 */ timer1.attach(0.5, timer1_cb, LED_BUILTIN); } void loop() { /* 检测定时器是否...
(wifiClient); const byte ledPin = LED_BUILTIN; // 需要控制的led灯 void setup() { Serial.begin(9600); //设置ESP8266工作模式为无线终端模式 WiFi.mode(WIFI_STA); // 连接WiFi connectWifi(); // 设置MQTT服务器和端口号 mqttClient.setServer(mqttServer, 1883); // 连接MQTT服务器 connectMQTT...
ESP8266-让灯闪烁 例子一:让板子上的LED_BUILTIN灯进行闪烁 voidsetup() { pinMode(LED_BUILTIN,OUTPUT); }voidloop() { digitalWrite(LED_BUILTIN,LOW); delay(1000); digitalWrite(LED_BUILTIN,HIGH); delay(1000); } 例子二:给D1引脚设置高低电平使灯闪烁 连接电路: voidsetup() { pinMode(D1, OU...
数字写入(LED_BUILTIN,高);// 使 bultin led ON digitalWrite(led, HIGH); // 使外部 LED 开启 } 如果接收到的字符串为“OFF”或“off”,则只需关闭内置 LED 和外部连接的 LED。 else if (fireStatus == "OFF" || fireStatus == "off") { // 比较从 firebase 接收到的 LED 状态输入 ...
// 初始化有LED的IO pinMode(LED_BUILTIN, OUTPUT); digitalWrite(LED_BUILTIN, LOW); pinMode(14, OUTPUT);//定义端口为OUTPUT输出模式 pinMode(12, OUTPUT);//定义端口为OUTPUT输出模式 pinMode(13, OUTPUT);//定义端口为OUTPUT输出模式 Mservo.write(90); ...
Most Arduinos have an on-board LED you can control. On the UNO, MEGA and ZERO it is attached to digital pin 13, on MKR1000 on pin 6. LED_BUILTIN is set to the correct LED pin independent of which board is used. If you want to know what pin the on-board LED is connected...
*/#defineBLINKER_WIFI#defineled_pinLED_BUILTIN//led的引脚#defineled_buttonD3//按键的引脚#defineled_delay1000//关灯延时#include<Blinker.h>#include<WiFiManager.h>#include<OneButton.h>#include<ESP8266WiFi.h>#include<ArduinoOTA.h>//#include <Ticker.h>//Ticker ticker;charauth[]="";//替代为...
首先我查了下开发板配套的图,发现LED灯是连接在GPIO2端口的,因此只需要控制GPIO2输出高低电平即可控制LED灯的亮灭。 自带的例程中,其使用了digitalWrite(LED_BUILTIN, HIGH)和digitalWrite(LED_BUILTIN, LOW)来控制灯亮和灭。我尝试找了下LED_BUILTIN的定义,发现没有找到。后面在Arduino的界面中,发现了一个可以...
("humi",humi_read);//添加数据存储 以便于图标数据展示Blinker.dataStorage("temp",temp_read);}voidsetup(){Serial.begin(115200);BLINKER_DEBUG.stream(Serial);pinMode(LED_BUILTIN,OUTPUT);digitalWrite(LED_BUILTIN,LOW);Blinker.begin(auth,ssid,pswd);Blinker.attachData(dataRead);Blinker.attachHeart...