Christmas Light controller designed and built by Jeff Theusch and Kevin Fritz as part of an Electrical Engineering Final project in the Micro-computer Architecture class. This method uses software written in VB.net that allows the user to sequence a light show for any MP3 file and then encode the instructions in the audio file. A digital communcations technique known as on-off keying is used for embedding the light sequence in the song as a serial signal. A series of active BPF's, a detector diode, and LPF and op-amp convert this signal back to being a serial signal at TTL voltages. A Altera UP1 board was then programmed to interpret this signal and instruct Solid-State Relays to enable at the appropriate time in the sequence.

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