占空比为 0% 表示 LED 完全关闭,占空比为 50% 表示 LED 半亮,占空比为 100% 表示 LED 全亮; 每当您打开一个新的 Web 浏览器窗口(这是新客户端连接时),它都会向 ESP32(也通过 WebSocket 协议)发送一条消息,其中包含该消息获取值. 当 ESP32 收到此消息时,它会发送当前滑块值。这样,每当您打开一个新选项...
import asyncio import websockets import wave # 服务器地址和端口 HOST = '172.19.41.110' # 可以替换为服务器的实际 IP 地址或域名(本电脑的IP地址) PORT = 8765 # WebSocket 服务器端口 # 音频文件路径 AUDIO_FILE_PATH = 'D:\\daoxiang.wav' # 音频文件路径 async def send_audio(websocket, path):...
修改main.py # 导入Microdotfrom lib.microdot import Microdot,send_file# 连接wififrom common.connect_wifi import do_connect# 导入引脚from machine import Pin# esp32 引脚2是一颗自带的 led的灯light = Pin(2,Pin.OUT)# 开始连接wifido_connect()# 实例化这个类app = Microdot()# 返回一个网页...
Adds a client to the WebSocket Server handler and performs the necessary handshake. Will also send the specified protocol.Parametersconn: the lwip netconn connection. msg: the entire incoming request message to join the server. Necessary for the handshake. len: the length of msg. url: the ...
因为现在图传的方法很多样了,有串口图传、wifi图传、mqtt图传、邮件图传、二进制图传、http图传、EDP图传、json图传、URL图传、websocket图传、序列化图传、JS中的Blob图片对象图传等等,其实我每一个图传方式都可以写一个方案出来作为例子展示,但是归根结题,无论是高级语言还是低级语言,传输文件其实本质就是传输二进制...
(CHECK_FILE_EXTENSION(filepath, ".svg")) { type = "text/xml"; } return httpd_resp_set_type(req, type); } static esp_err_t custom_send_file_chunk(httpd_req_t* req, const char *filepath) { rest_server_context_t* rest_context = (rest_server_context_t*) req->user_ctx; int ...
1.承载WebSocket客户端的HTML页面。本例中的WebSocket服务器位于运行<host>:81的ESP 32上。WebSocket客户...
{.ssid="MY",//自定义.password="pp612ssbb",//自定义.bssid_set=false}};ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_STA,&sta_config));ESP_ERROR_CHECK(esp_wifi_start());ESP_ERROR_CHECK(esp_wifi_connect());//接收websocket数据任务:数据接收处理xTaskCreate(&task_process_WebSocket,"ws_...
I already have a javascript client running in a browser, ie: chrome, and in esp32 i have a http server running. The client(chrome) connects with esp32 http server. The esp32 http server send the file "upload_script.html" to the chrome. The client send some commands to server. I ...
Nintendo Game System Emulation ESP32-NESEMU (Video, Hackaday Summary) A Nintendo Entertainment System emulator for the ESP32. Tiniest Game Boy Hides in Your Pocket (Video) WiFiBoy32 Wi-Fi ESP32 802.11 Freedom Output Send arbitrary IEEE 802.11 frames. See also: ESP32 Wi-Fi Range Testing: ...