Hardware: Hive Interface Board 4

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  • AD7124 24 bit ADC with 8 differential inputs
  • instrumentation amplifiers for load cells
  • Bluetooh Low Energy (BLE) support using a Nordic nRF52
  • BMD301 32 bit ARM processor with GPIO lines and eight 16 bit ADC inputs
  • 40 pin header plug into a Pi
  • two coin cells to power the BMD301


  • BMD301 (Nordic nRF52) can be programmed via the Pi.