Step 1: The Circuit
Step 2: Building the Circuit Board
Step 3: Soldering the Circuit Board
Step 4: Programming the Micro
Step 5: Using the Candles
Using the blowout candles is easy. Of course you need a cake to be able to use the candles :).
We organized a fictitious birthday party with a virtual cake to celebrate the project and a video of that party and the birthday candles
If the video isnt working, you can try this youtube link: Birthday Candles Video