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
To power the circuit, you need 4 batteries of 1.2V, AA or AAA size or 3 batteries of 1.5V (AA or AAA size).
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
For more Detail: DIY Electronic Birthday Blowout Candles
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