_temp_hmd_pressure_board

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Marian Minar edited this page Jan 26, 2022 · 5 revisions

Temperature & Humidity & Pressure & LED Driver Board [I04]

version: 1.3

Description:
- I2C measure temperature & humidity
  - Connecting to Raspberry Pi by mini_hub board (short range I2C connector Port 1)
  - Chip HDC1080 or HTU21 could be used at the board
  - Chip MS5637 (atmospheric pressure chip)
  - Chip PCA9632 (led driver chip)
    - pin 1 - led1
    - pin 2-4 - rgb led2 ( pin2 - Red, pin3 - Green, pin4 - Blue )
  - Around Chip are ventilation holes
  - At the bottom side of board could be added I2C eeprom chip from 24c01 - 24c1024 for internal use
  - Address ports A0,A1,A2 (Hi-Mid Pin mark means TTL 1)
  - Electromagnetic compatible (EMC)

temp_hmd_pressure driver v1.3