Content Comparison

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• v.9 PCB is mostly evaluated

  • minor error in silkscreen on the voltage divider for monitoring battery voltage. The schematic is correct.

  • drill size of I2C LCD header was too small.

  • Both items are corrected

  • I may consider mounting the delay pot headers with right angle connector so I can keep the pot connected while programming the display controller

• Software development

  • Both Arduinos are functioning

  • Basic PI code is running and evaluation will start on sending meaningful timing parameters to the PI controller

  • Pressing ‘SELECT’ will display the battery voltage

  • low battery detection automatically every 30s

    • TODO: shut down PI timing entirely when battery is low

17 Jun 2022