我想要一个esp32 使用max6675自动pid控温的程序
时间: 2023-05-20 21:04:40 浏览: 263
好的,以下是一个基于esp32和max6675的自动pid控温程序的示例代码:
```c
#include <PID_v1.h>
#include <max6675.h>
// Define the pins for the max6675
int thermoDO = 12;
int thermoCS = 13;
int thermoCLK = 14;
// Define the PID parameters
double Setpoint, Input, Output;
double Kp = 2, Ki = 5, Kd = 1;
PID myPID(&Input, &Output, &Setpoint, Kp, Ki, Kd, DIRECT);
// Define the variables for the temperature readings
MAX6675 thermocouple(thermoCLK, thermoCS, thermoDO);
double temperature;
void setup() {
// Initialize the serial communication
Serial.begin(9600);
// Set the PID parameters
Setpoint = 100;
myPID.SetMode(AUTOMATIC);
}
void loop() {
// Read the temperature from the thermocouple
temperature = thermocouple.readCelsius();
// Update the PID
Input = temperature;
myPID.Compute();
// Print the temperature and PID output
Serial.print("Temperature: ");
Serial.print(temperature);
Serial.print("C, PID Output: ");
Serial.println(Output);
// Wait for 1 second
delay(1000);
}
```
这个程序使用了PID算法来控制温度,通过读取max6675传感器的温度值来更新PID,并输出控制信号。你可以根据需要调整PID参数和温度设定值。
阅读全文