arduino-esp32-c3对MF53-103F-3950-800L温度传感器的温度读取代码参考

以下是一份arduino-esp32-c3对MF53-103F-3950-800L温度传感器的温度读取代码参考：

#include <analogWrite.h>

#define THERMISTORPIN 34
#define SAMPLING_INTERVAL 500 //milliseconds
#define NO_OF_SAMPLES 10

int samples[NO_OF_SAMPLES];
int sampleIndex = 0;

//thermistor output curve for temperature calculation
float Thermistor(int RawADC) {
  float logR, R, T;
  float R_25 = 10000.0; // resistance at 25 degrees Celsius
  float B = 3950; //beta value
  logR = log(10000.0 * ((1024.0 / RawADC - 1)));
  R = 1.0 / (0.0002242 + (0.000000101 * logR) + (0.00000000000429 * logR * logR * logR)); //resistance of thermistor
  T = (1.0 / ((log(R / R_25) / B) + (1.0 / (25.0 + 273.15)))) - 273.15; //temperature in Celsius
  return T;
}

void setup() {
  pinMode(THERMISTORPIN,INPUT);
  Serial.begin(115200);
}

void loop() {
  static unsigned long lastSamplingTime = 0;
  
  //take samples at periodic intervals
  if (millis() - lastSamplingTime > SAMPLING_INTERVAL) {
    lastSamplingTime = millis();
    samples[sampleIndex] = analogRead(THERMISTORPIN);
    sampleIndex++;
    if (sampleIndex >= NO_OF_SAMPLES)
      sampleIndex = 0;
  }
  
  //calculate average sample value
  long average = 0;
  for (int i = 0; i < NO_OF_SAMPLES; i++)
    average += samples[i];
  average /= NO_OF_SAMPLES;
  
  //calculate temperature from average sample value
  float temperature = Thermistor(average);
  
  //print temperature
  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.println(" degrees Celsius");
}

这份代码的原理是通过使用Arduino的analogRead函数读取温度传感器的电阻值，然后将其转化为温度值。MF53-103F-3950-800L是一种热敏电阻器，其特定的电阻值和环境温度成正比，因此通过读取电阻值可以计算出当前温度。具体计算过程可以参考代码中的Thermistor函数。这份代码采用了对一段时间内的多个采样值进行平均的方式，以提高读取温度的准确性。