LCD Portable Temp Station

Shows the temp using a thermistor and a LCD display and Arduino Uno.

Jun 20, 2017

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Components and supplies

Arduino UNO

Jumper wires (generic)

Rotary potentiometer (generic)

thermistor

Resistor 10k ohm

Breadboard (generic)

resistor (yellow, blue, red)

Tools and machines

scissor

Apps and platforms

Arduino IDE

Arduino Web Editor

Project description

Code

untitled

c_cpp

1#include <LiquidCrystal.h>
2
3int ThermistorPin = 0;
4int Vo;
5float   R1 = 10000;
6float logR2, R2, T;
7float c1 = 1.009249522e-03, c2 = 2.378405444e-04,   c3 = 2.019202697e-07;
8
9LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
10
11void   setup() {
12Serial.begin(9600);
13
14}
15
16void loop() {
17lcd.print("Alexander's");
18delay(2000);
19lcd.clear();
20lcd.print("Average   air temp.");
21delay(2000);
22lcd.clear();
23//_________________________
24   Vo = analogRead(ThermistorPin);
25  R2 = R1 * (1023.0 / (float)Vo - 1.0);
26   logR2 = log(R2);
27  T = (1.0 / (c1 + c2*logR2 + c3*logR2*logR2*logR2));
28   T = T - 273.15;
29  T = (T * 9.0)/ 5.0 + 32.0; 
30
31  lcd.print("Temp = ");
32   lcd.print(T);   
33  lcd.print(" F");
34  
35  delay(4000);            
36   lcd.clear();
37}
38

#include <LiquidCrystal.h>

int ThermistorPin = 0;
int Vo;
float   R1 = 10000;
float logR2, R2, T;
float c1 = 1.009249522e-03, c2 = 2.378405444e-04,   c3 = 2.019202697e-07;

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

void   setup() {
Serial.begin(9600);

}

void loop() {
lcd.print("Alexander's");
delay(2000);
lcd.clear();
lcd.print("Average   air temp.");
delay(2000);
lcd.clear();
//_________________________
   Vo = analogRead(ThermistorPin);
  R2 = R1 * (1023.0 / (float)Vo - 1.0);
   logR2 = log(R2);
  T = (1.0 / (c1 + c2*logR2 + c3*logR2*logR2*logR2));
   T = T - 273.15;
  T = (T * 9.0)/ 5.0 + 32.0; 

  lcd.print("Temp = ");
   lcd.print(T);   
  lcd.print(" F");
  
  delay(4000);            
   lcd.clear();
}

untitled

c_cpp

1#include <LiquidCrystal.h>
2
3int ThermistorPin = 0;
4int Vo;
5float  R1 = 10000;
6float logR2, R2, T;
7float c1 = 1.009249522e-03, c2 = 2.378405444e-04,  c3 = 2.019202697e-07;
8
9LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
10
11void  setup() {
12Serial.begin(9600);
13
14}
15
16void loop() {
17lcd.print("Alexander's");
18delay(2000);
19lcd.clear();
20lcd.print("Average  air temp.");
21delay(2000);
22lcd.clear();
23//_________________________
24  Vo = analogRead(ThermistorPin);
25  R2 = R1 * (1023.0 / (float)Vo - 1.0);
26  logR2 = log(R2);
27  T = (1.0 / (c1 + c2*logR2 + c3*logR2*logR2*logR2));
28  T = T - 273.15;
29  T = (T * 9.0)/ 5.0 + 32.0; 
30
31  lcd.print("Temp = ");
32  lcd.print(T);   
33  lcd.print(" F");
34  
35  delay(4000);            
36  lcd.clear();
37}
38

#include <LiquidCrystal.h>

int ThermistorPin = 0;
int Vo;
float  R1 = 10000;
float logR2, R2, T;
float c1 = 1.009249522e-03, c2 = 2.378405444e-04,  c3 = 2.019202697e-07;

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

void  setup() {
Serial.begin(9600);

}

void loop() {
lcd.print("Alexander's");
delay(2000);
lcd.clear();
lcd.print("Average  air temp.");
delay(2000);
lcd.clear();
//_________________________
  Vo = analogRead(ThermistorPin);
  R2 = R1 * (1023.0 / (float)Vo - 1.0);
  logR2 = log(R2);
  T = (1.0 / (c1 + c2*logR2 + c3*logR2*logR2*logR2));
  T = T - 273.15;
  T = (T * 9.0)/ 5.0 + 32.0; 

  lcd.print("Temp = ");
  lcd.print(T);   
  lcd.print(" F");
  
  delay(4000);            
  lcd.clear();
}

untitled

c_cpp

1#include <LiquidCrystal.h>
2
3int ThermistorPin = 0;
4int Vo;
5float
6  R1 = 10000;
7float logR2, R2, T;
8float c1 = 1.009249522e-03, c2 = 2.378405444e-04,
9  c3 = 2.019202697e-07;
10
11LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
12
13void
14  setup() {
15Serial.begin(9600);
16
17}
18
19void loop() {
20lcd.print("Alexander's");
21delay(2000);
22lcd.clear();
23lcd.print("Average
24  air temp.");
25delay(2000);
26lcd.clear();
27//_________________________
28
29  Vo = analogRead(ThermistorPin);
30  R2 = R1 * (1023.0 / (float)Vo - 1.0);
31
32  logR2 = log(R2);
33  T = (1.0 / (c1 + c2*logR2 + c3*logR2*logR2*logR2));
34
35  T = T - 273.15;
36  T = (T * 9.0)/ 5.0 + 32.0; 
37
38  lcd.print("Temp = ");
39
40  lcd.print(T);   
41  lcd.print(" F");
42  
43  delay(4000);            
44
45  lcd.clear();
46}
47

#include <LiquidCrystal.h>

int ThermistorPin = 0;
int Vo;
float
  R1 = 10000;
float logR2, R2, T;
float c1 = 1.009249522e-03, c2 = 2.378405444e-04,
  c3 = 2.019202697e-07;

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

void
  setup() {
Serial.begin(9600);

}

void loop() {
lcd.print("Alexander's");
delay(2000);
lcd.clear();
lcd.print("Average
  air temp.");
delay(2000);
lcd.clear();
//_________________________

  Vo = analogRead(ThermistorPin);
  R2 = R1 * (1023.0 / (float)Vo - 1.0);

  logR2 = log(R2);
  T = (1.0 / (c1 + c2*logR2 + c3*logR2*logR2*logR2));

  T = T - 273.15;
  T = (T * 9.0)/ 5.0 + 32.0; 

  lcd.print("Temp = ");

  lcd.print(T);   
  lcd.print(" F");
  
  delay(4000);            

  lcd.clear();
}

Downloadable files

thermistor

screen

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