Isaac Khader / htu21d_for_weather_shield

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Dependents:   SPARKFUN_WEATHER_SHIELD

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Data Structures

Data Structures

Here are the data structures with brief descriptions:
htu21dMeasurement specialties / Honeywell HTU21D digital humidity and temperature sensor
htu21d::HTU21snStructStructure to access HTU21D's serial number

  • HTU21D_sna is the hi 16 bit word of the s/n, always is 0x4854
  • HTU21D_snb is the mid 32 bit word of the s/n, 0x00--------
  • HTU21D_snc is the low 16 bit word of the s/n, 0x32--
  • The complete 64 bit s/n value is: 0x48 54 00 -- -- -- 32 --
  • The numbers shown are fixed fields
  • The '-' numbers are variable
  • For reference, the CRC values for the s/n are included
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