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vusb-breakout

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@jpewdev

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KiCad projectAll 5 files, ready to open in KiCad45 KBSchematic PDFEvery sheet, to read or print61 KB3D modelThe board with its parts, for an enclosure (GLB)777 KB
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README

vusb-breakout

KiCAD PCB design for a V-USB breakout board

This breadboard compatible board has all the components required for a V-USB based project, suitable for connecting directly to the pins of an Atmel.

Features include:

  1. Voltage limiting Zener diodes on D+ and D- so the Atmel can be run anywhere between 3.3 and 5 V
  2. Ability to be powered from USB (if jumper is set) and/or external power (via Vin pin). Schottky diodes prevent back-power in both cases.
  3. USB ID pin is broken out

NOTE: If running the Atmel at 5V, the board will draw about 20 mA from either D+ or D- when they are driven high.

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