Adafruit Wave Shield

Here is a shield for Arduino that makes adding quality sound to your products easy. It can play up to 22KHz, 12bit uncompressed audio files of any length.

LCD Button Shield V2 for Arduino by Sparkfun

The LCD Button Shield from Sparkfun Electronics provides a 16×2 LCD screens along with a keypad consisting of 5 keys — select, up, right, down and left. With this shield you will be able to move through menus and make selections straight from one board attached to your Arduino without requiring a massive tower of shields.

Wireless Arduino Thumb Joystick Shield

This shield provides the necessary connections between the joystick and the Arduino so that it can read the joysticks X, Y and Switch readings on it’s analog inputs.  I chose to mount the joystick on it’s own proto shield instead of mounting it to the prototype area of my XBee shield.

Multiplexing Seven Segment Displays

Video explaining what multiplexing is, why we do it and how it is done.  Covers using the Arduino to handle the multiplexing and using a 7219.  Using the 7219 we can control up to 8 seven segment displays while using only 3 pins from the Arduino.  The 7219 also handles all refreshing of the display […]