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気圧センサー MPL115をArduinoから制御する(I2C)

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Datasheet

MPL115 Datasheet

計測可能な値

種類 概要
気圧 50kPa(49.34気圧)〜115kPa(113.49気圧)の相対的な気圧。分解能は0.15kPa。精度は±1kPa(0.98気圧)。
温度  シングルタップ/ダブル・タップを検出

1 気圧(標準大気圧)(atm)
= 1.01325 bar
= 1013.25 mbar
= 1013.25 hPa

Slave address

Slave Address 0x60

Register map

Address Name Type Default 概要
0x00 Padc_MSB R 10-bit Pressure ADC output value MSB
0x01 Padc_LSB R 10-bit Pressure ADC output value LSB(2bit)
0x02 Tadc_MSB R 10-bit Temperature ADC output value MSB
0x03 Tacd_LSB R 10-bit Temperature ADC output value LSB(2bit)
0x04 a0_MSB R a0 coefficient MSB
0x05 a0_LSB R a0 coefficient LSB
0x06 b1_MSB R b1 coefficient MSB
0x07 b1_LSB R b1 coefficient LSB
0x08 b2_MSB R b2 coefficient MSB
0x09 b2_LSB R b2 coefficient LSB
0x0A c12_MSB R c12 coefficient MSB
0x0B c12_LSB R c12 coefficient LSB
0x12 CONVERT R Start Pressure and Temperature Conversion

気圧を求める計算式

mpl115_calc.png

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