ESP32 IPAddress 可以转换为字符串吗 前言 作为一个物联网开发爱好者,偶尔会做一些单片机小玩意儿,可是由于自身资源和技术有限,做出来的玩意一直都是开发板或面板包的状态。后来最近看到了一篇关于M5Stack ESP32的文章。其中「堆叠即是产品」的概念让我耳目一新。 ▲ 堆叠即是产品 ▼ M5Stack 是世界第一款可扩展的...
setsockopt(sock, IPPROTO_TCP, TCP_KEEPCNT, &keepCount,sizeof(int));// Convert ip address to stringif(source_addr.ss_family == PF_INET) { inet_ntoa_r(((structsockaddr_in *)&source_addr)->sin_addr, addr_str,sizeof(addr_str) -1); }#ifdefCONFIG_EXAMPLE_IPV6elseif(source_addr.ss_...
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String ip_address; // Obtain the approximate coordinate position based on the current IP address of XIAO. boolgetLocation(){ // Make HTTP request to IPStack API HTTPClient http; String url="http://api.ipstack.com/"+String(ip_address)+"?access_key="+String(IPStack_key); Serial.println(...
publicvoidsendBroadcastMessage(String message) { newThread(newRunnable() { @Override publicvoidrun() { try{ DatagramSocket socket =newDatagramSocket(); InetAddress inetAddress = InetAddress.getByName(BROADCAST_IP); byte[] buffer = message.getBytes(); ...
Serial.println("IP address: "); Serial.println(WiFi.localIP()); u8g2.clearBuffer(); u8g2.drawStr(20, 10, "Wi-Fi connected"); u8g2.drawStr(20, 20, WiFi.localIP().toString().c_str()); u8g2.sendBuffer(); // 初始化NTP客户端 ...
String getUrl = "/v3/weather/daily.json?key="; getUrl += privateKey; getUrl += "&location="; getUrl += city; getUrl += "&language="; getUrl += language; client.print(String("GET ") + getUrl + " HTTP/1.1\r\n" + "Host: " + host + "\r\n" + "Connection: close\r\...
DHT11传感器与ESP32开发板的连接非常简单，因为它只有三个引脚。将传感器的VCC和GND引脚分别连接到ESP32...
fix(IPaddress): IPv6 restore zone id by @s-hadinger in #10546 fix(wifi): Fix requirements and guards for hosted Wi-Fi by @lucasssvaz in #10579 fix(wifi): fixes WiFi.isconnected() to return true when it is connected and it has an IP Addr by @SuGlider in #10595 Zigbee feat(Zigb...