Date Created: 2014-01-05 06:47:48 -0600 (Sun, 05 Jan 2014)
Fri Nov 17 14:04:41 EST 2017
 
Date Created: 2014-01-05 06:47:48 -0600 (Sun, 05 Jan 2014)

Date Created: 2013-12-09 06:18:24 -0600 (Mon, 09 Dec 2013)

Audio Input for the IS31FL3731

Overview

This guide shows how to connect an IS31FL3731 to receive audio input from a microphone to drive LEDs.


Demonstration Video

Hardware

The following hardware is used in this project.

Assembly

Here is the circuit diagram:


See the link in the 'Source Code' section for the actual Fritzing diagram file.

Here are some wiring photos:

IS31FL3731-connections-20161009.jpg

trinket-connections-20161009.jpg

Software Perequisites

The project requires the following Arduino Libraries

Source Code

This project uses the following Arduino sketch on the Adafruit Pro Trinket.

IS31FL3731_audio_input

Resources

Adafruit tutorial on IS31FL3731 16x9 Charlieplexed PWM LED Driver



Date Created: 2016-08-04 17:11:07 -0500 (Thu, 04 Aug 2016)