Atmega usb multimedia buttons

simple atmega based usb multimedia buttons for people wihout multimedia buttons on their keyboard

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it's a usb keyboard with play/pause, next, previous buttons, and a volume knob. No special drivers are needed, just plug it into an usb port and it works.

The atmega88 inside registers as a HID device, specifically, a keyboard with only a few multimedia buttons. This way it will work out of the box on most OS.

most details can be found on the project site:

  • 1 × atmega88 Microprocessors, Microcontrollers, DSPs / Microcontrollers (MCUs)
  • 2 × 3.6V zener diodes
  • 3 × button
  • 1 × potentiometer
  • 4 × 3mm leds

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