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BMP 180 Atmospheric Pressure Sensor
hello dosto is post me aj hmlog dekhenge ki BMP 180 sensor ka use janenge aur dekhenge ki usko arduino ke sath kaise confuger karte hai.
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BMP 180 Atmospheric Pressure Sensor |
BMP 180 sensor apko atmospheric Pressure sensos kar ke dene wala hai.
Wiring of BMP 180 With Arduino Uno
DHT11 | Arduino Uno |
GND | GND |
VCC | 5v |
SCL | A5 |
SDA | A4 |
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| BMP 180 Atmospheric Pressure Sensor |
Coding Of BMP180 Sensor with Arduino
#include <SFE_BMP180.h>
#include <Wire.h>
SFE_BMP180 pressure;
void setup()
{
Serial.begin(9600);
}
void loop()
{
char status;
double T,P,p0,a;
Serial.println();
Serial.print("provided altitude: ");
Serial.print(ALTITUDE,0);
Serial.print(" meters, ");
Serial.print(ALTITUDE*3.28084,0);
Serial.println(" feet");
status = pressure.startTemperature();
if (status != 0)
{
delay(status);
status = pressure.getTemperature(T);
if (status != 0)
{
// Print out the measurement:
Serial.print("temperature: ");
Serial.print(T,2);
Serial.print(" deg C, ");
Serial.print((9.0/5.0)*T+32.0,2);
Serial.println(" deg F");
status = pressure.startPressure(3);
if (status != 0)
{
delay(status);
status = pressure.getPressure(P,T);
if (status != 0)
{
Serial.print("absolute pressure: ");
Serial.print(P,2);
Serial.print(" mb, ");
Serial.print(P*0.0295333727,2);
Serial.println(" inHg");
p0 = pressure.sealevel(P,ALTITUDE); // we're at 1655 meters (Boulder, CO)
Serial.print("relative (sea-level) pressure: ");
Serial.print(p0,2);
Serial.print(" mb, ");
Serial.print(p0*0.0295333727,2);
Serial.println(" inHg");
a = pressure.altitude(P,p0);
Serial.print("computed altitude: ");
Serial.print(a,0);
Serial.print(" meters, ");
Serial.print(a*3.28084,0);
Serial.println(" feet");
}
else Serial.println("error retrieving pressure measurement\n");
}
else Serial.println("error starting pressure measurement\n");
}
else Serial.println("error retrieving temperature measurement\n");
}
else Serial.println("error starting temperature measurement\n");
delay(5000);
}
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