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.

Wired Connections

The Wiz Kit is powered by the 12V 2A power supply wall adapter. The Feather is powered by USB 5V 1A power supply wall adapter.

MAX98357A Amp

  • LRC to D25 pin on Feather
  • BCLK to D24 pin on Feather
  • DIN to A3 pin on Feather
  • VIN to 3.3V pin on Feather
  • GND to GND pin on Feather

NeoPixel Strip

  • 5V to USB pin on Feather
  • GND to GND pin on Feather
  • Din to D6 pin on Feather

Wiz Kit RFID

  • 5V SIG pin to A1 pin on Feather
  • GND pin to GND pin on Feather


  • Red wire to voltage input on MAX98357A
  • Black wire to ground input on MAX98357A 

This guide was first published on Nov 01, 2022. It was last updated on Jun 18, 2024.

This page (Circuit Diagram) was last updated on Mar 08, 2024.

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