The ShiftBar is a medium-power RGB LED controller featuring 10-bit digital brightness control on each color channel (over one billion colors). Multiple ShiftBar modules can be chained together and controlled from a single microcontroller to create large LED displays.

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The ShiftBar is a 3-channel constant current LED driver module by macetech based on the Allegro A6281. This is a carrier board that is similar to the ShiftBrite, but designed for controlling external RGB LED modules, such as the ultra-bright Satellite Module 001. Using just three digital output pins and a simple protocol, your microcontroller can control a long chain of ShiftBars. Each ShiftBar in the chain can be independently changed to any of the 1,073,741,824 possible colors to create dynamic displays and decorations.

  • Supplies 10 mA to 150 mA per LED channel.
  • On-board potentiometer for current control.
  • Input voltage range from 5 V to 17 V, with no separate logic supply required.
  • Overtemperature shutdown protects the LED driver from overheating.
  • Adjustable current for each color channel lets you correct for slight differences in brightness.

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