The diagram below provides a visual reference for wiring of the components. This diagram was created using the software package Fritzing.

Adafruit Library for Fritzing

Use Adafruit's Fritzing parts library to create circuit diagrams for your projects. Download the library or just grab individual parts. Get the library and parts from GitHub - Adafruit Fritzing Parts.

Make the following connections between the Feather NRF52840 and the MCP9808

  • Feather 3V to sensor Vdd
  • Feather GND to sensor GND
  • Feather SCL to sensor SCL
  • Feather SDA to sensor SDA

Make the following connections between the Feather NRF52840 and a SPDT slide-switch

  • Feather GND to Center Switch Pin
  • Feather EN to One of the outer pins on the switch

Note that the Feather GND pad is shared between the MCP9808 and the switch.

This guide was first published on Apr 07, 2020. It was last updated on Apr 07, 2020.

This page (Circuit Diagram) was last updated on Dec 01, 2021.

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