This guide shows how to connect an IS31FL3731 to receive
audio input from a microphone to drive LEDs.
The following hardware is used in this project.
Here is the circuit diagram:
See the link in the 'Source Code' section for the actual Fritzing diagram file.
Here are some wiring photos:
The project requires the following Arduino Libraries
This project uses the following Arduino sketch on the Adafruit Pro Trinket.
Adafruit tutorial on
IS31FL3731 16x9 Charlieplexed PWM LED Driver