enjoyneering / bmp180 Goto Github PK
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This is an Arduino library for the Bosch BMP085 & BMP180 barometric pressure & tempemperature sensor
Hello.
I am stumbling upon the follow issue :
I am measuring the pressure each 1 second, and seems like the pressure readings constantly dropping.
What could be the cause of this issue ?
Hello @enjoyneering
Use BMP180
breadboard GY-68
I2C adress 0x77
Is the sensor faulty or is the library configured incorrectly?
I use example.
Just changed terrain height from 115
to 150
.
I tried to add an include to the sketch, but nothing changes.
#include <BMP180.h>
But then I saw that the main header file was already added to #include <BMP180advanced.h>
maybe some coefficients need to be adjusted, or is the sensor defective / fake?
Does this sensor have a built-in temperature sensor?
I used to think that it was not inside, but I saw the meaning and was surprised.
Added information
When I used another library temperature is corrected
compensation calculation B5 function in this library is
int32_t BMP180::computeB5(int32_t UT)
{
int32_t X1 = ((UT - (int32_t)_calCoeff.bmpAC6) * (int32_t)_calCoeff.bmpAC5) >> 15;
int32_t X2 = ((int32_t)_calCoeff.bmpMC << 11) / (X1 + (int32_t)_calCoeff.bmpMD);
return X1 + X2;
}
compensation calculation B5 function in this library is
long BMP180::calculateB5(long UT) {
long X1 = (UT - (long)_AC6) * (long)_AC5 >> 15;
long X2 = ((long)_MC << 11) / (X1 + (long)_MD);
return X1 + X2;
}
Hi.
I've found in the source code that the license of this project is GPL.
Could you please change the current GPL license of your library to a more permissive license like MIT or BSD.
Thanks.
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