by ElectricSlim, published
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Vin in is the audio signal coming from whatever device you are using. It is connected to the one of the input of a 1/8" stereo jack. I think Vin is unintuitive as well, but I wanted to make sure I used the same labels as the datasheet.
I haven't gotten around to getting the LEDs to respond to the music. If you look into a Color Organ circuit, it would be the easiest way to achieve this.
I am having trouble understanding the schematic. It says "Vin" which means "Voltage in?" However, I thought that the voltage goes in from a 9V battery? I have soldered together some simple stuff from schematics I found on the internet before, but I am not an electrical engineer. Please explain. Thanks ;0)
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The audio system is based around a LM386 amplifier. The lighted jar is a single RGB led and controlled by an ATtiny85 microcontroller. The mason jar has been frosted to diffuse the light.
For the next iteration, I want to explore using FFT to create music based light displays.
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