Over the last three weeks, I have been designing and building a circuit that acts sort of like a mini amp. With this small circuit I can hook up any sort of music media whether it be through an mp3 player, cd player, or any other sort of music player.
With the mini amp I can control the volume level, the treble & bass levels, and the balance (right channel or left channel). This sounds like a complicated task, but after learning how different circuit components work, I was able to design it using resistors, capacitors, op amps, and a speaker. I think it's pretty cool.
~Matt
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