Attendees

1. @Razanne Abu-Aisheh

2. @Thomas Watteyne

3. @Jackson Paddock

4. @Joshua Alexander

5. @Said Alvarado-Marin

6. @Kristofer PISTER

7. @David Burnett

8. @Martina Balbi

9. @Fil Maksimovic

10. @Austin Patel

Minutes

• @Jackson Paddock

  • updates about his MsC thesis

• @Austin Patel

  • pinout decided, 10-pin connector

    • full native connector to Teensy

    • ribbon cable to nRF52840-DK

  • goal is to ship 20x board order today ( Apr 28, 2021 ), and have the boards back by May 5, 2021

  • @Kristofer PISTER : if difference between 20x and 50x boards is low, order 50x

  • @Joshua Alexander in charge of sending out the boards

  • @David Burnett: might be open to sending a couple of boards for testing

  • @Joshua Alexander will be just the spock board

• @Said Alvarado-Marin

  • https://youtu.be/U_WfdU7TkXU

  • Components for the DotBot 1.4 PCB arrive.

  • 3 PCBs have been assembled. (Currently none are functional)

  • 6V Step-up converter chip is presenting difficulties while soldering. (3x4 pin 3mm BGA, really hard to solder)

• @Martina Balbi

  • first nRF52840-RF demo, involving 2 boards synchronizing with <1us with NO uC intervention

  • https://github.com/openwsn-berkeley/nrf-sync

• @Fil Maksimovic

  • working on LH2 localization, at range of 2-4m it’s getting almost every bit

  • it works!

  • hitting PPI limit

  • @Kristofer PISTER indicates @Felipe Campos was working on calibration routine