ButtonBoard

Most kids

• love buttons
• love toys that make sound
• love LEDs

This project combines these features in one box. This allows us to test if our kid is part of "most kids".

Hardware

The main hardware parts are:

• Adafruit Feather 32u4 Basic Proto
• ADS1015 Breakout Board (4 analog inputs)
• Adafrui GPIO Expander Bonnet (16 digital I/O)
• Music Maker FeatherWing
• PowerBoost 500 Basic 5V to create a 5V supply for the LED in the buttons. Some of them can't run at 3.3V
• Stereo Speakers
• USB Type-C Connector for charging, programming and debugging
• A bag full of buttons, switches, sliders, potentiometers and LEDs
• A wooden box
• Lots of wires and solder

Software

IDE used for coding is PlatformIO. Software is written in C++, using the following libraries:

• Adafruit ADS1X15
• Adafruit MCP23017 Arduino Library
• Thread