usb controlled rgb led

  
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The article on my RGB LED fader has been one of the most-visited articles on this blog. Since posting it, I`ve designed and built another microcontroller-based RGB LED project, this time controlling the colors from the computer over USB. The AVR needs to be overclocked to run the USB code without a separate oscillator. The osccal. c source file wat
usb controlled rgb led - schematic

ches the USB frame clock and calibrates the AVR internal RC oscillator with the OSCCAL register. This technique was adapted from the V-USB wiki. The host sources are in the host/ directory. A 32bit Linux binary is included, or it can be built from source with the included Makefile. Libusb is required.




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