树莓派代码：
from flask import Flask, render_template
import socket
import threading
app = Flask(__name__)
adc_value = 0
# 接收tcp数据
def receive_tcp_data():
global adc_value
# 从ESP8266接收ADC数据
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.bind(('0.0.0.0', 5000))
sock.listen(1)
while True:
conn, addr = sock.accept()
data = conn.recv(1024)
adc_value = 70 - int(data.decode())
# print(conn,addr,adc_value)
conn.close()
@app.route('/')
def index():
global adc_value
# 在Web页面上显示ADC数据
return render_template('index2.html', adc_data=adc_value)
# Web服务线程
def start_web_server():
app.run(host='0.0.0.0', port=8888)
if __name__ == '__main__':
# 启动接收tcp数据的线程
udp_thread = threading.Thread(target=receive_tcp_data)
udp_thread.daemon = True
udp_thread.start()
# 启动接收tcp数据的线程
flask_thread = threading.Thread(target=start_web_server)
flask_thread.daemon = True
flask_thread.start()
while True:
pass
index2.html
<!DOCTYPE html>
<html>
<head>
<title>ADC Data Display</title>
</head>
<body>
<h1>ADC Data: {{ adc_data }}</h1>
</body>
</html>
esp8266 使用arduino
#include <ESP8266WiFi.h>
#include <WiFiClient.h>
const char* ssid = "litianmenzhenbu";
const char* password = "LT12345678";
const char* serverIP = "192.168.0.110"; // 树莓派的IP地址
const int serverPort = 5000; // 树莓派上Flask服务的端口号
void setup() {
Serial.begin(115200);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(1000);
Serial.println("Connecting to WiFi...");
}
Serial.println("Connected to WiFi");
// 连接到树莓派上的Flask服务
WiFiClient client;
if (client.connect(serverIP, serverPort)) {
Serial.println("Connected to server");
}
}
void loop() {
// 模拟读取ADC值，此处可替换为实际读取ADC的代码
int adcValue = analogRead(A0);
// 发送ADC值到树莓派上的Flask服务
WiFiClient client;
if (client.connect(serverIP, serverPort)) {
String data = String(adcValue);
client.print(data);
client.flush();
client.stop();
}
delay(100);
}
标签：树莓,esp8266,tcp,client,ADC,data,adc From： https://www.cnblogs.com/LiuXinyu12378/p/17470533.html