求助 ESP01S控制舵机
我想做个用来机械控制开关灯的。接线是C口接降压模块，降压模块正负接ESP01S的3V3正，负极接ESP01S的GND。舵机信号线接ESP01S的IO0。正负并联ESP。
然后刷的附件程序，可以控制舵机。但有个问题。手机操作后舵机总判断3下。看代码是点NO就转一个角度，然后回到原点。点OFF转一个角度，然后回原点。
不知道哪里出错了。舵机一直执行3次。求助!
代码
本帖最后由 hun517 于 2020-9-8 15:59 编辑/***********
局域网下控制舵机快关灯
需要esp8266库
**************/
#include <ESP8266WiFi.h>
#include <ESP8266mDNS.h>
#include <WiFiUdp.h>
#include <ArduinoOTA.h>
#include <Servo.h>
/***********请修改以下内容**************/
const char* ssid = "wifi01";// wifi名称
const char* password = "c12345678";// wifi密码
const int ESP_BUILTIN_LED = 2; //led引脚状态指示
const int pin = 0; //舵机连接引脚
const int pos0 = 50; // 开灯角度，多次实验调节
const int pos1 = 130; // 关灯角度，需要多次实验调节
const int pos2 = 90; // 正常角度
/***********请修改以上内容**************/
int anl=0;
WiFiServer server(80);//创建tcp server
Servo myservo; //创建舵机对象
void setup() {
Serial.begin(115200);
myservo.write(pos2);
delay(200);
Serial.println();
Serial.println();
Serial.println("Connecting to");
Serial.print(ssid);
//WiFi.mode(WIFI_STA);//设置为接收WiFi模式
WiFi.begin(ssid, password);
struct ip_info info;
//下方修改局域网内静态IP;
//注意：不要与其他ip冲突ip冲突
IP4_ADDR(&info.ip,192,168,1,173);
IP4_ADDR(&info.gw,192,168,1,1);
IP4_ADDR(&info.netmask,255,255,255,0);
wifi_station_dhcpc_stop();
wifi_set_ip_info(STATION_IF,&info); //设置sta模式的IP
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(F("."));
}
Serial.println();
Serial.println(F("WiFi connected"));
// Hostname defaults to esp8266-
//ArduinoOTA.setHostname("WemosEXP");
ArduinoOTA.begin();
pinMode(ESP_BUILTIN_LED, OUTPUT);
server.begin();//启动tcp连接
Serial.println("Server started @");
Serial.print(WiFi.localIP());
myservo.attach(pin);
delay(20);
}
String prepareHtmlPage(){
String htmlPage =
String("HTTP/1.1 200 OK\r\n") +
"Content-Type: text/html\r\n" +
"Connection: close\r\n" +// the connection will be closed after completion of the response
"\r\n" +
"<!DOCTYPE html> <html>\n"+
"<head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, user-scalable=no\">\n"+
"<title>LED Control</title>\n"+
"<style>html { font-family: Helvetica; display: inline-block; margin: 0px auto; text-align: center;}\n"+
"body{margin-top: 50px;} h1 {color: #444444;margin: 50px auto 30px;} h3 {color: #444444;margin-bottom: 50px;}\n"+
".button {display: block;width: 120px;background-color: #1abc9c;border: none;color: white;padding: 13px 30px;text-decoration: none;font-size: 25px;margin: 0px auto 35px;cursor: pointer;border-radius: 4px;}\n"+
".button-on {background-color: #5AD2FF;}\n"+
".button-on:active {background-color: #DE341E;}\n"+
".button-off {background-color: #34495e;}\n"+
".button-off:active {background-color: #DE341E;}\n"+
"p {font-size: 14px;color: #888;margin-bottom: 10px;}\n"+
"</style>\n"+
"</head>\n"+
"<body>\n"+
"<h1>Digital PIN2 status: "+String(digitalRead(ESP_BUILTIN_LED))+"</h1>\n"+
"<form id='F1' action='LEDON'><input class='button button-on' type='submit' value='ON' ></form><br>"+
"<form id='F2' action='LEDOFF'><input class='button button-off' type='submit' value='OFF' ></form><br>"+
"</html>" +
"\r\n";
return htmlPage;
}
void loop() {
ArduinoOTA.handle();
WiFiClient client = server.available();
// wait for a client (web browser) to connect
if (client){
while (client.connected()){
// 不断读取请求内容
if (client.available()){
String line = client.readStringUntil('\r');
if ( line.indexOf("LEDON") > 0 ){
digitalWrite(ESP_BUILTIN_LED, LOW);
myservo.write(pos0);
delay(500);
myservo.write(pos2);
delay(500);
}
else if( line.indexOf("LEDOFF") > 0 ) {
digitalWrite(ESP_BUILTIN_LED, HIGH);
myservo.write(pos1);
delay(500);
myservo.write(pos2);
delay(500);
}
// Serial.print(line);
if (line.length() == 1 && line == '\n'){
//返回响应内容
client.println(prepareHtmlPage());
break;
}
}
}
delay(1000); // give the web browser time to receive the data
// close the connection:
client.flush();//注意这里必须用client.flush(),如果是client.close会报错的
}
//delay(5000);
}
你好，这是用网页端控制吗
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