Design Reference
Input Sibling Boards
Design references for researching our 32u4-based input boards. Blogs, schematics, datasheets and CAD files
Julian Hartline's "Designing and Building an Arduino-Compatible PCB" - Accessed Jan. 13, 2018 Link
Adafruit Itsy 32u4 Board Schematic - Accessed Jan 13, 2018 Link
Adafruit ATMega32u4 Breakout Board Tutorial Download Page (includes Eagle PCB files) - Accessed Jan. 13, 2018 Link
NumberOne's 32u4 uBBB schematic on Hackaday (micro/ultra Bare Bones Board) - Accessed Jan. 13, 2018 Link
Microchip's complete datasheet for ATMega32u4 - Accessed Jan. 13, 2018 Link
Example of layout and capacitor use for ATMega8u2 on AVRFreaks Link
Discussion on decoupling capacitors on Vcc pins of ATMega32u4 Link
Last updated
Was this helpful?