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Код: Выделить всё

float voltage = (adc0 * (0.256/32767.5))*1000;
float pres = 2.217*exp(-voltage/0.3134)+0.175*exp(-voltage/1.97)+543.59*exp(-voltage/211689.45)+(-543.57);

Код: Выделить всё

#include "HX711.h"
#include <LiquidCrystal.h>
#include <EEPROM.h>
#include <Wire.h>
#include <Adafruit_ADS1015.h>

Adafruit_ADS1115 ads; 
LiquidCrystal lcd(8, 9, 4, 5, 6, 7);
HX711 cell(2, 3);


long val = 0;
long zero = 0;

int V = 0; 
int F = 0;
int Time = 100;  
        
void setup() {
  lcd.begin(16, 2);
  Serial.begin(9600);
  zero = cell.read();
  lcd.setCursor(0,0); 
  lcd.print("CybSys presents"); 
  lcd.setCursor(0,1); 
  lcd.print("Press:Down or Up");
  
  // ads.setGain(GAIN_TWOTHIRDS);  // 2/3x gain +/- 6.144V  1 bit = 3mV      0.1875mV (default)
  // ads.setGain(GAIN_ONE);        // 1x gain   +/- 4.096V  1 bit = 2mV      0.125mV
  //ads.setGain(GAIN_TWO);        // 2x gain   +/- 2.048V  1 bit = 1mV      0.0625mV
  // ads.setGain(GAIN_FOUR);       // 4x gain   +/- 1.024V  1 bit = 0.5mV    0.03125mV
  //ads.setGain(GAIN_EIGHT);      // 8x gain   +/- 0.512V  1 bit = 0.25mV   0.015625mV
   ads.setGain(GAIN_SIXTEEN);    // 16x gain  +/- 0.256V  1 bit = 0.125mV  0.0078125mV
  
  ads.begin();
}

void loop() {
  
  int16_t  adc0;
   
  int x = analogRead (0); 

  if (F==1){
  lcd.setCursor(0,1); 
  lcd.print("Force:"); 
  
  val = (cell.read()-zero)*50/90000;
  lcd.setCursor(6,1); 
  lcd.print("       ");
  lcd.setCursor(7,1);
  lcd.print(val);
  Serial.print("Code: ");
  Serial.println(cell.read());
  Serial.print("Mass(gr): ");
  Serial.println(val);
  lcd.setCursor(13,1); 
  lcd.print("gr."); 

  if (x < 800 && x > 600){
   zero = cell.read(); 
    }
  }
//****************************************
 if (V==1){
 /*lcd.setCursor(5,1); 
 lcd.print("           ");
 lcd.setCursor(3,0); 
 lcd.print("           ");*/
  lcd.setCursor(0,0); 
  lcd.print("Press: "); 
  lcd.setCursor(0,1); 
  lcd.print("Vol:"); 
  adc0 = ads.readADC_SingleEnded(0);
  float voltage = (adc0 * (0.256/32767.5))*1000;
  float pres = 2.217*exp(-voltage/0.3134)+0.175*exp(-voltage/1.97)+543.59*exp(-voltage/211689.45)+(-543.57);
  lcd.setCursor(7,0);
  lcd.print(pres,5);
  lcd.setCursor(5,1);
  lcd.print (voltage,5);
  Serial.print("Vol:"); 
  Serial.println(voltage, 5);
 }

//****************************************
  if (x < 400 && x >= 200){ //down
       V = 1;
       F = 0;
       Time = 500;
        lcd.clear();
      }
  if (x < 200 && x > 20){ //Up
       V = 0;
       F = 1;
       Time = 100;
       lcd.clear();
      }
      
  delay(Time);
}