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  • Use less wires and more soldering and connectors
  • SD data logging (with auto new filenames for each test)
  • Add more columns to the screen

Plan

v3

  • Use 3+ multiplexers to include twice more sensors (incl. hdc1080 and Si7021, SHT85)
  • Add more SHT85 sensors to see results repitability (for most expensive sensor)
  • remove some libraries (multiplexor, sensor reading) not compatible to multiple mux projects
  • substitute i2c scan every cycle with pre-defined aray proccessing
  • (Hardware) i2c 3.3v/5v level converter
  • (Hardware) 2500mAh battery with related circuits
  • (Hardware) New case, 
  • (Hardware) New 2m wire between main unit and the board
  • (Hardware) New plastic shields for connectors

Plan

v4

  • Power one of  multiplexers by 5v to add DHT22 to test.
  • data visualisation

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