Blue Button

  • Button input to board A0
  • Button GND to board GND
  • Button LED to board A1
  • Button LED GND to board GND

Green Button

  • Button input to board A2
  • Button GND to board GND
  • Button LED to board A3
  • Button LED GND to board GND

NAU7802

  • Sensor A+ to strain gauge green wire
  • Sensor A- to strain gauge white wire
  • Sensor E- to strain gauge black wire
  • Sensor E+ to strain gauge red wire

Alphanumeric Display I2C Jumpers

  • Alphanumeric display 1 (on the left): A0, A1 and A2 open (0x70)
  • Alphanumeric display 2 (on the right): A0 closed, A1 and A2 open (0x71)

STEMMA Connections

  • Connect alphanumeric display 1, alphanumeric display 2 and the NAU7802 together with STEMMA QT cables. Plug the STEMMA QT cable into the QT Py ESP32-S2

This guide was first published on Jul 20, 2022. It was last updated on 2022-07-20 12:50:34 -0400.

This page (Circuit Diagram) was last updated on Oct 02, 2022.

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