Wireless Thermometer

Using twos xbees and a tmp36, the temperature of a room can be wirelessly sent to my computer.

May 30, 2021

•

636 views

•

0 respects

remote control

Components and supplies

WROOMBEE - ESP32 WROOM Xbee form factor

Battery, 9 V

SparkFun XBee Explorer Dongle

SparkFun XBee Shield

Jumper wires (generic)

Temperature Sensor

Tools and machines

Solder Wire, Lead Free

Soldering iron (generic)

Apps and platforms

Arduino IDE

Project description

Code

Wireless Thermometer Code

arduino

1//Project 49 - Building a Remote Control Thermometer
2
3char a;
4float   voltage=0;
5float sensor=0;
6float celsius=0;
7float fahrenheit=0;
8float   photocell=0;
9
10void setup() {
11  Serial.begin(9600);
12}
13
14void sendC()
15{
16   sensor=analogRead(0);
17  voltage=((sensor*5000)/1024);
18  voltage=voltage-500;
19   celsius=voltage/10;
20  Serial.println(" ");
21  Serial.print("Temperature:   ");
22  Serial.print(celsius,2);
23  Serial.println(" degrees C");
24}
25
26void   sendF()
27{
28  sensor=analogRead(0);
29  voltage=((sensor*5000)/1024);
30  voltage=voltage-500;
31   celsius=voltage/10;
32  fahrenheit=((celsius*1.8)+32);
33  Serial.println("   ");
34  Serial.print("Temperature: ");
35  Serial.print(fahrenheit,2);
36   Serial.println(" degrees F");
37}
38
39void getCommand()
40{
41  Serial.flush();
42   while (Serial.available() == 0)
43  {
44    //do nothing
45  }
46  while (Serial.available()   > 0)
47  {
48    a = Serial.read(); //read the number in the serial buffer
49   }
50}
51
52void loop() {
53  getCommand(); //listen for command from PC
54   switch (a)
55  {
56    case 'c':
57    //send temperature in Celsius
58      sendC();
59       break;
60    case 'f':
61      //send temperature in Fahrenheit
62      sendF();
63       break;
64  }
65}

//Project 49 - Building a Remote Control Thermometer

char a;
float   voltage=0;
float sensor=0;
float celsius=0;
float fahrenheit=0;
float   photocell=0;

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

void sendC()
{
   sensor=analogRead(0);
  voltage=((sensor*5000)/1024);
  voltage=voltage-500;
   celsius=voltage/10;
  Serial.println(" ");
  Serial.print("Temperature:   ");
  Serial.print(celsius,2);
  Serial.println(" degrees C");
}

void   sendF()
{
  sensor=analogRead(0);
  voltage=((sensor*5000)/1024);
  voltage=voltage-500;
   celsius=voltage/10;
  fahrenheit=((celsius*1.8)+32);
  Serial.println("   ");
  Serial.print("Temperature: ");
  Serial.print(fahrenheit,2);
   Serial.println(" degrees F");
}

void getCommand()
{
  Serial.flush();
   while (Serial.available() == 0)
  {
    //do nothing
  }
  while (Serial.available()   > 0)
  {
    a = Serial.read(); //read the number in the serial buffer
   }
}

void loop() {
  getCommand(); //listen for command from PC
   switch (a)
  {
    case 'c':
    //send temperature in Celsius
      sendC();
       break;
    case 'f':
      //send temperature in Fahrenheit
      sendF();
       break;
  }
}

Wireless Thermometer Code

arduino

1//Project 49 - Building a Remote Control Thermometer
2
3char a;
4float  voltage=0;
5float sensor=0;
6float celsius=0;
7float fahrenheit=0;
8float  photocell=0;
9
10void setup() {
11  Serial.begin(9600);
12}
13
14void sendC()
15{
16  sensor=analogRead(0);
17  voltage=((sensor*5000)/1024);
18  voltage=voltage-500;
19  celsius=voltage/10;
20  Serial.println(" ");
21  Serial.print("Temperature:  ");
22  Serial.print(celsius,2);
23  Serial.println(" degrees C");
24}
25
26void  sendF()
27{
28  sensor=analogRead(0);
29  voltage=((sensor*5000)/1024);
30  voltage=voltage-500;
31  celsius=voltage/10;
32  fahrenheit=((celsius*1.8)+32);
33  Serial.println("  ");
34  Serial.print("Temperature: ");
35  Serial.print(fahrenheit,2);
36  Serial.println(" degrees F");
37}
38
39void getCommand()
40{
41  Serial.flush();
42  while (Serial.available() == 0)
43  {
44    //do nothing
45  }
46  while (Serial.available()  > 0)
47  {
48    a = Serial.read(); //read the number in the serial buffer
49  }
50}
51
52void loop() {
53  getCommand(); //listen for command from PC
54  switch (a)
55  {
56    case 'c':
57    //send temperature in Celsius
58      sendC();
59      break;
60    case 'f':
61      //send temperature in Fahrenheit
62      sendF();
63      break;
64  }
65}

//Project 49 - Building a Remote Control Thermometer

char a;
float  voltage=0;
float sensor=0;
float celsius=0;
float fahrenheit=0;
float  photocell=0;

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

void sendC()
{
  sensor=analogRead(0);
  voltage=((sensor*5000)/1024);
  voltage=voltage-500;
  celsius=voltage/10;
  Serial.println(" ");
  Serial.print("Temperature:  ");
  Serial.print(celsius,2);
  Serial.println(" degrees C");
}

void  sendF()
{
  sensor=analogRead(0);
  voltage=((sensor*5000)/1024);
  voltage=voltage-500;
  celsius=voltage/10;
  fahrenheit=((celsius*1.8)+32);
  Serial.println("  ");
  Serial.print("Temperature: ");
  Serial.print(fahrenheit,2);
  Serial.println(" degrees F");
}

void getCommand()
{
  Serial.flush();
  while (Serial.available() == 0)
  {
    //do nothing
  }
  while (Serial.available()  > 0)
  {
    a = Serial.read(); //read the number in the serial buffer
  }
}

void loop() {
  getCommand(); //listen for command from PC
  switch (a)
  {
    case 'c':
    //send temperature in Celsius
      sendC();
      break;
    case 'f':
      //send temperature in Fahrenheit
      sendF();
      break;
  }
}

Downloadable files

untitled

Comments

Only logged in users can leave comments

shotsphere

0 Followers

•

0 Projects

Intro

Trademarks & CopyrightsWhistleblowingDigital Services ActTerms of ServicePrivacy PolicySecurityCookie Settings

Report content