BMP280: Measure Temperature, Pressure and Altitude

1/* This code is to use with Adafruit BMP280           (Metric)
2 * It  measures both temperature and pressure and it displays them on the Serial monitor  with the altitude
3 * It's a modified version of the Adafruit example code
4  * Refer to www.surtrtech.com or SurtrTech Youtube channel
5 */
6
7#include  <Adafruit_BMP280.h>
8
9Adafruit_BMP280 bmp; // I2C Interface
10
11void setup()  {
12  Serial.begin(9600);
13  Serial.println(F("BMP280 test"));
14
15  if  (!bmp.begin()) {
16    Serial.println(F("Could not find a valid BMP280 sensor,  check wiring!"));
17    while (1);
18  }
19
20  /* Default settings from datasheet.  */
21  bmp.setSampling(Adafruit_BMP280::MODE_NORMAL,     /* Operating Mode. */
22                  Adafruit_BMP280::SAMPLING_X2,     /* Temp. oversampling */
23                  Adafruit_BMP280::SAMPLING_X16,    /* Pressure oversampling */
24                  Adafruit_BMP280::FILTER_X16,      /* Filtering. */
25                  Adafruit_BMP280::STANDBY_MS_500);  /* Standby time. */
26}
27
28void loop() {
29    Serial.print(F("Temperature  = "));
30    Serial.print(bmp.readTemperature());
31    Serial.println(" *C");
32
33    Serial.print(F("Pressure = "));
34    Serial.print(bmp.readPressure()/100);  //displaying the Pressure in hPa, you can change the unit
35    Serial.println("  hPa");
36
37    Serial.print(F("Approx altitude = "));
38    Serial.print(bmp.readAltitude(1019.66));  //The "1019.66" is the pressure(hPa) at sea level in day in your region
39    Serial.println("  m");                    //If you don't know it, modify it until you get your current  altitude
40
41    Serial.println();
42    delay(2000);
43}
44

1/* This code is to use with Adafruit BMP280 and OLED screen   (Imperial)
2  * It measures both temperature and pressure and it displays them on the OLED display  with the altitude
3 * It's a modified version of the Adafruit example code
4  * Refer to www.surtrtech.com or SurtrTech Youtube channel
5 */
6 
7#include  <Adafruit_GFX.h>      //Libraries for the OLED and BMP280
8#include <Adafruit_SSD1306.h>
9#include  <Adafruit_BMP280.h>
10
11#define SCREEN_WIDTH 128 // OLED display width, in pixels
12#define  SCREEN_HEIGHT 32 // OLED display height, in pixels
13#define OLED_RESET    -1 //  Reset pin # (or -1 if sharing Arduino reset pin)
14
15Adafruit_SSD1306 display(SCREEN_WIDTH,  SCREEN_HEIGHT, &Wire, OLED_RESET); //Declaring the display name (display)
16Adafruit_BMP280  bmp;
17
18void setup() {  
19  bmp.begin();                                //Start  the bmp                  
20  display.begin(SSD1306_SWITCHCAPVCC, 0x3C); //Start  the OLED display
21  display.clearDisplay();
22  display.display();
23  display.setTextColor(WHITE);
24  display.setTextSize(1); 
25  display.print("SurtrTech");     //Show the name,  you can remove it or replace it
26  display.setCursor(32,12);
27  display.setTextSize(2);          
28  display.println("BMP280"); 
29  display.display();
30  delay(2000);
31}
32
33void  loop() {
34
35    display.clearDisplay();
36    float T = bmp.readTemperature()*9/5  + 32;    //Read temperature in C and conversion to F
37    float P = bmp.readPressure()/3386.39;        //Read Pressure in Pa and conversion to inches of mercury
38    float A  = bmp.readAltitude(1019.66)*3.28084; //Calculating the Altitude, the "1019.66"  is the pressure in(hPa) at sea level at day in your region
39                                                  //If  you don't know it just modify it until you get the altitude of your place
40
41    display.setCursor(0,0);                       //Oled display, just playing with  text size and cursor to get the display you want
42    display.setTextColor(WHITE);
43    display.setTextSize(2); 
44    display.print("Temp");
45    
46    display.setCursor(0,18);
47    display.print(T,1);
48    display.setCursor(50,17);
49    display.setTextSize(1);
50    display.print("F");
51
52    display.setTextSize(1);
53    display.setCursor(65,0);
54    display.print("Pres");
55    display.setCursor(65,10);
56    display.print(P);
57    display.setCursor(100,10);
58    display.print("inHg");
59
60    display.setCursor(65,25);
61    display.print("Alt");
62    display.setCursor(90,25);
63    display.print(A,0);
64    display.setCursor(110,25);
65    display.print("ft");
66    
67    display.display();
68    delay(2000);
69}
70

1/* This code is to use with Adafruit BMP280   (Imperial)
2 * It measures  both temperature and pressure and it displays them on the Serial monitor with the  altitude
3 * It's a modified version of the Adafruit example code
4 * Refer  to www.surtrtech.com or SurtrTech Youtube channel
5 */
6
7#include <Adafruit_BMP280.h>
8
9Adafruit_BMP280  bmp; // I2C
10
11void setup() {
12  Serial.begin(9600);
13  Serial.println(F("BMP280  test"));
14
15  if (!bmp.begin()) {
16    Serial.println(F("Could not find  a valid BMP280 sensor, check wiring!"));
17    while (1);
18  }
19
20  /* Default  settings from datasheet. */
21  bmp.setSampling(Adafruit_BMP280::MODE_NORMAL,     /*  Operating Mode. */
22                  Adafruit_BMP280::SAMPLING_X2,     /* Temp.  oversampling */
23                  Adafruit_BMP280::SAMPLING_X16,    /* Pressure  oversampling */
24                  Adafruit_BMP280::FILTER_X16,      /* Filtering.  */
25                  Adafruit_BMP280::STANDBY_MS_500); /* Standby time. */
26}
27
28void  loop() {
29    
30    float f = bmp.readTemperature()*9/5 + 32 ; //Conversion  from C to F
31    Serial.print(F("Temperature = "));    
32    Serial.print(f);
33    Serial.println(" *F");
34    
35    float P = bmp.readPressure()/3386.39;   //displaying the Pressure in inches of mercury, you can change the unit
36    Serial.print(F("Pressure  = "));
37    Serial.print(P);
38    Serial.println(" inHg");
39
40    float  A = bmp.readAltitude(1019.66)*3.28084;   //The "1019.66" is the pressure(hPa)  at sea level in day in your region
41    Serial.print(F("Approx altitude = "));        //If you don't know it, modify it until you get your current altitude
42    Serial.print(A);
43    Serial.println(" ft");
44
45    Serial.println();
46    delay(2000);
47}
48

1/* This code is to use with Adafruit BMP280 and OLED screen   (Metric)
2  * It measures both temperature and pressure and it displays them on the OLED display  with the altitude
3 * It's a modified version of the Adafruit example code
4  * Refer to www.surtrtech.com or SurtrTech Youtube channel
5 */
6
7#include  <Adafruit_GFX.h>      //Libraries for the OLED and BMP280
8#include <Adafruit_SSD1306.h>
9#include  <Adafruit_BMP280.h>
10
11#define SCREEN_WIDTH 128 // OLED display width, in pixels
12#define  SCREEN_HEIGHT 32 // OLED display height, in pixels
13#define OLED_RESET    -1 //  Reset pin # (or -1 if sharing Arduino reset pin)
14
15Adafruit_SSD1306 display(SCREEN_WIDTH,  SCREEN_HEIGHT, &Wire, OLED_RESET); //Declaring the display name (display)
16Adafruit_BMP280  bmp;
17
18void setup() {  
19  bmp.begin();                                //Start  the bmp                  
20  display.begin(SSD1306_SWITCHCAPVCC, 0x3C); //Start  the OLED display
21  display.clearDisplay();
22  display.display();
23  display.setTextColor(WHITE);
24  display.setTextSize(1); 
25  display.print("SurtrTech");     //Show the name,  you can remove it or replace it
26  display.setCursor(32,12);
27  display.setTextSize(2);          
28  display.println("BMP280"); 
29  display.display();
30  delay(2000);
31}
32
33void  loop() {
34
35    display.clearDisplay();
36    float T = bmp.readTemperature();           //Read temperature in C
37    float P = bmp.readPressure()/100;         //Read  Pressure in Pa and conversion to hPa
38    float A = bmp.readAltitude(1019.66);      //Calculating the Altitude, the "1019.66" is the pressure in (hPa) at sea  level at day in your region
39                                              //If  you don't know it just modify it until you get the altitude of your place
40    
41    display.setCursor(0,0);                   //Oled display, just playing with  text size and cursor to get the display you want
42    display.setTextColor(WHITE);
43    display.setTextSize(2); 
44    display.print("Temp");
45    
46    display.setCursor(0,18);
47    display.print(T,1);
48    display.setCursor(50,17);
49    display.setTextSize(1);
50    display.print("C");
51
52    display.setTextSize(1);
53    display.setCursor(65,0);
54    display.print("Pres");
55    display.setCursor(65,10);
56    display.print(P);
57    display.setCursor(110,10);
58    display.print("hPa");
59
60    display.setCursor(65,25);
61    display.print("Alt");
62    display.setCursor(90,25);
63    display.print(A,0);
64    display.setCursor(110,25);
65    display.print("m");
66    
67    display.display();
68    delay(2000);
69}
70

1/* This code is to use with Adafruit BMP280           (Metric)
2 * It
3  measures both temperature and pressure and it displays them on the Serial monitor
4  with the altitude
5 * It's a modified version of the Adafruit example code
6
7  * Refer to www.surtrtech.com or SurtrTech Youtube channel
8 */
9
10#include
11  <Adafruit_BMP280.h>
12
13Adafruit_BMP280 bmp; // I2C Interface
14
15void setup()
16  {
17  Serial.begin(9600);
18  Serial.println(F("BMP280 test"));
19
20  if
21  (!bmp.begin()) {
22    Serial.println(F("Could not find a valid BMP280 sensor,
23  check wiring!"));
24    while (1);
25  }
26
27  /* Default settings from datasheet.
28  */
29  bmp.setSampling(Adafruit_BMP280::MODE_NORMAL,     /* Operating Mode. */
30
31                  Adafruit_BMP280::SAMPLING_X2,     /* Temp. oversampling */
32
33                  Adafruit_BMP280::SAMPLING_X16,    /* Pressure oversampling */
34
35                  Adafruit_BMP280::FILTER_X16,      /* Filtering. */
36                  Adafruit_BMP280::STANDBY_MS_500);
37  /* Standby time. */
38}
39
40void loop() {
41    Serial.print(F("Temperature
42  = "));
43    Serial.print(bmp.readTemperature());
44    Serial.println(" *C");
45
46
47    Serial.print(F("Pressure = "));
48    Serial.print(bmp.readPressure()/100);
49  //displaying the Pressure in hPa, you can change the unit
50    Serial.println("
51  hPa");
52
53    Serial.print(F("Approx altitude = "));
54    Serial.print(bmp.readAltitude(1019.66));
55  //The "1019.66" is the pressure(hPa) at sea level in day in your region
56    Serial.println("
57  m");                    //If you don't know it, modify it until you get your current
58  altitude
59
60    Serial.println();
61    delay(2000);
62}
63

1/* This code is to use with Adafruit BMP280   (Imperial)
2 * It measures
3  both temperature and pressure and it displays them on the Serial monitor with the
4  altitude
5 * It's a modified version of the Adafruit example code
6 * Refer
7  to www.surtrtech.com or SurtrTech Youtube channel
8 */
9
10#include <Adafruit_BMP280.h>
11
12Adafruit_BMP280
13  bmp; // I2C
14
15void setup() {
16  Serial.begin(9600);
17  Serial.println(F("BMP280
18  test"));
19
20  if (!bmp.begin()) {
21    Serial.println(F("Could not find
22  a valid BMP280 sensor, check wiring!"));
23    while (1);
24  }
25
26  /* Default
27  settings from datasheet. */
28  bmp.setSampling(Adafruit_BMP280::MODE_NORMAL,     /*
29  Operating Mode. */
30                  Adafruit_BMP280::SAMPLING_X2,     /* Temp.
31  oversampling */
32                  Adafruit_BMP280::SAMPLING_X16,    /* Pressure
33  oversampling */
34                  Adafruit_BMP280::FILTER_X16,      /* Filtering.
35  */
36                  Adafruit_BMP280::STANDBY_MS_500); /* Standby time. */
37}
38
39void
40  loop() {
41    
42    float f = bmp.readTemperature()*9/5 + 32 ; //Conversion
43  from C to F
44    Serial.print(F("Temperature = "));    
45    Serial.print(f);
46
47    Serial.println(" *F");
48    
49    float P = bmp.readPressure()/3386.39;
50   //displaying the Pressure in inches of mercury, you can change the unit
51    Serial.print(F("Pressure
52  = "));
53    Serial.print(P);
54    Serial.println(" inHg");
55
56    float
57  A = bmp.readAltitude(1019.66)*3.28084;   //The "1019.66" is the pressure(hPa)
58  at sea level in day in your region
59    Serial.print(F("Approx altitude = "));
60        //If you don't know it, modify it until you get your current altitude
61
62    Serial.print(A);
63    Serial.println(" ft");
64
65    Serial.println();
66
67    delay(2000);
68}
69

1/* This code is to use with Adafruit BMP280 and OLED screen   (Imperial)
2
3  * It measures both temperature and pressure and it displays them on the OLED display
4  with the altitude
5 * It's a modified version of the Adafruit example code
6
7  * Refer to www.surtrtech.com or SurtrTech Youtube channel
8 */
9 
10#include
11  <Adafruit_GFX.h>      //Libraries for the OLED and BMP280
12#include <Adafruit_SSD1306.h>
13#include
14  <Adafruit_BMP280.h>
15
16#define SCREEN_WIDTH 128 // OLED display width, in pixels
17#define
18  SCREEN_HEIGHT 32 // OLED display height, in pixels
19#define OLED_RESET    -1 //
20  Reset pin # (or -1 if sharing Arduino reset pin)
21
22Adafruit_SSD1306 display(SCREEN_WIDTH,
23  SCREEN_HEIGHT, &Wire, OLED_RESET); //Declaring the display name (display)
24Adafruit_BMP280
25  bmp;
26
27void setup() {  
28  bmp.begin();                                //Start
29  the bmp                  
30  display.begin(SSD1306_SWITCHCAPVCC, 0x3C); //Start
31  the OLED display
32  display.clearDisplay();
33  display.display();
34  display.setTextColor(WHITE);
35
36  display.setTextSize(1); 
37  display.print("SurtrTech");     //Show the name,
38  you can remove it or replace it
39  display.setCursor(32,12);
40  display.setTextSize(2);
41          
42  display.println("BMP280"); 
43  display.display();
44  delay(2000);
45}
46
47void
48  loop() {
49
50    display.clearDisplay();
51    float T = bmp.readTemperature()*9/5
52  + 32;    //Read temperature in C and conversion to F
53    float P = bmp.readPressure()/3386.39;
54        //Read Pressure in Pa and conversion to inches of mercury
55    float A
56  = bmp.readAltitude(1019.66)*3.28084; //Calculating the Altitude, the "1019.66"
57  is the pressure in(hPa) at sea level at day in your region
58                                                  //If
59  you don't know it just modify it until you get the altitude of your place
60
61
62    display.setCursor(0,0);                       //Oled display, just playing with
63  text size and cursor to get the display you want
64    display.setTextColor(WHITE);
65
66    display.setTextSize(2); 
67    display.print("Temp");
68    
69    display.setCursor(0,18);
70
71    display.print(T,1);
72    display.setCursor(50,17);
73    display.setTextSize(1);
74
75    display.print("F");
76
77    display.setTextSize(1);
78    display.setCursor(65,0);
79
80    display.print("Pres");
81    display.setCursor(65,10);
82    display.print(P);
83
84    display.setCursor(100,10);
85    display.print("inHg");
86
87    display.setCursor(65,25);
88
89    display.print("Alt");
90    display.setCursor(90,25);
91    display.print(A,0);
92
93    display.setCursor(110,25);
94    display.print("ft");
95    
96    display.display();
97
98    delay(2000);
99}
100

1/* This code is to use with Adafruit BMP280 and OLED screen   (Metric)
2
3  * It measures both temperature and pressure and it displays them on the OLED display
4  with the altitude
5 * It's a modified version of the Adafruit example code
6
7  * Refer to www.surtrtech.com or SurtrTech Youtube channel
8 */
9
10#include
11  <Adafruit_GFX.h>      //Libraries for the OLED and BMP280
12#include <Adafruit_SSD1306.h>
13#include
14  <Adafruit_BMP280.h>
15
16#define SCREEN_WIDTH 128 // OLED display width, in pixels
17#define
18  SCREEN_HEIGHT 32 // OLED display height, in pixels
19#define OLED_RESET    -1 //
20  Reset pin # (or -1 if sharing Arduino reset pin)
21
22Adafruit_SSD1306 display(SCREEN_WIDTH,
23  SCREEN_HEIGHT, &Wire, OLED_RESET); //Declaring the display name (display)
24Adafruit_BMP280
25  bmp;
26
27void setup() {  
28  bmp.begin();                                //Start
29  the bmp                  
30  display.begin(SSD1306_SWITCHCAPVCC, 0x3C); //Start
31  the OLED display
32  display.clearDisplay();
33  display.display();
34  display.setTextColor(WHITE);
35
36  display.setTextSize(1); 
37  display.print("SurtrTech");     //Show the name,
38  you can remove it or replace it
39  display.setCursor(32,12);
40  display.setTextSize(2);
41          
42  display.println("BMP280"); 
43  display.display();
44  delay(2000);
45}
46
47void
48  loop() {
49
50    display.clearDisplay();
51    float T = bmp.readTemperature();
52           //Read temperature in C
53    float P = bmp.readPressure()/100;         //Read
54  Pressure in Pa and conversion to hPa
55    float A = bmp.readAltitude(1019.66);
56      //Calculating the Altitude, the "1019.66" is the pressure in (hPa) at sea
57  level at day in your region
58                                              //If
59  you don't know it just modify it until you get the altitude of your place
60    
61
62    display.setCursor(0,0);                   //Oled display, just playing with
63  text size and cursor to get the display you want
64    display.setTextColor(WHITE);
65
66    display.setTextSize(2); 
67    display.print("Temp");
68    
69    display.setCursor(0,18);
70
71    display.print(T,1);
72    display.setCursor(50,17);
73    display.setTextSize(1);
74
75    display.print("C");
76
77    display.setTextSize(1);
78    display.setCursor(65,0);
79
80    display.print("Pres");
81    display.setCursor(65,10);
82    display.print(P);
83
84    display.setCursor(110,10);
85    display.print("hPa");
86
87    display.setCursor(65,25);
88
89    display.print("Alt");
90    display.setCursor(90,25);
91    display.print(A,0);
92
93    display.setCursor(110,25);
94    display.print("m");
95    
96    display.display();
97
98    delay(2000);
99}
100