Unit Tube Pressure

//P:实际测试压力值，单位 (Kpa)
//Vout: 传感器电压输出值
P = (Vout-0.1)/3.0 x 300.0-100.0

#include <Arduino.h>

int sensorPin = 32; // 传感器信号引脚

void setup() {
  Serial.begin(115200);
  pinMode(sensorPin, INPUT);  //Sets the specified pin to input mode.  设置指定引脚为输入模式
}

void loop() {
  float raw = analogRead(sensorPin);  // read the value from the sensor.  读取当前传感器的值
  float Vout = raw/4095 x 3.6;
  float P = (Vout-0.1)/3.0 x 300.0-100.0;
  Serial.printf("pressure: %f.2 Kparn", P);
  delay(100);
}