Make a bluetooth-activated talking dog collar for Halloween or just to show off at the park! This intermediate electronics project was inspired by Dug from the movie Up-- his talking collar translates his thoughts for communicating with humans. Using the Audio FX board and Bluefruit Micro, this project enables you to trigger sound samples through the Bluefruit LE Connect app for iOS and Android. The sounds are played through a mono amp connected to a mini metal speaker.

The collar itself is made from a leather belt, with 3D printed "greebles" to make it look like the collar from the movie.

It's easy to adapt this circuit for any phone-triggered audio project by swapping out the sound samples!

Before you begin, familiarize yourself with the following prerequisite guides:

• Introducing Bluefruit LE Micro
• Adafruit Audio FX Sound Board
• Adafruit LED Sequins
• Adafruit Guide to Excellent Soldering

For this project you will need:

• Bluefruit LE Micro board
• Audio FX Mini sound board
• Mono 2.5W Class D audio amplifier
• Mini metal speaker
• 3xAAA battery pack and batteries
• Two red Adafruit LED Sequins
• 30awg silicone coated wire (in colors of your choice, having a few different colors is handy for remembering what's what)
• leather collar
• soldering tools and supplies
• tweezers
• E6000 craft adhesive and toothpicks
• solderless breadboard

video for gifs by Mike Farino.