Circuit Diagram

This provides a visual reference for wiring of the components. They aren't true to scale, just meant to be used as reference. This diagrams was created using Fritzing software.

Adafruit Library for Fritzing

Use our Fritzing parts library to create circuit diagrams for your projects. Download the library or just grab the individual parts. Files are hosted on our github repo linked below.

Wired Connections

Ultimaker GPS FeatherWing

• EN pin to Switch
• GND pin to Switch

HalloWing M0 Express

• Speaker port to Speaker
• Battery port to 400mAh battery
• Sense port to Button

Powering

The Adafruit HalloWing M0 Express can be powered via USB or JST-PH using a 3.7v lipo battery. In this project, a 4400mAh lipo battery is used. The lipo battery is rechargeable via the USB port on the Adafruit HalloWing M0 Express.