by Sutajio Kosagi

An FPGA board that fits inside your USB port

View all updates Aug 29, 2019

Fomu Goes to Camp

The presentation was given on the first day, and went over how the Fomu project came to be. It starts with the Tomu project, which in an ARM microcontroller in your USB port. Then it goes on to talk about the many projects Tim has, and culminates with all the cool things we’re looking forward to people playing with on Fomu. There is a recording of the talk (also available on YouTube, and the slides are also available.

In addition to the presentation, we also gave several self-directed workshops where we provided people with hacker boards and had them try out Fomu. The workshop is available at, and serves as a good introduction to the various aspects of Fomu. If you’ve received your Fomu, give the workshop a try!

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Product Choices



An FPGA for your USB port! Includes one pre-flashed Fomu and a plastic case.


Fomu EVT Board

An EVT board revision is used to validate the schematic is correct, and to help develop the software. This EVT board is what we'll use to develop the USB stack and to make sure we've got the power and other hardware parts wired up right. Designed to mount onto a Raspberry Pi to upload a bitstream and debug the CPU.This is a limited-time production board, and won't be produced after the few remaining sell.


Sutajio Kosagi

Sutajio Ko-usagi supports and produces open hardware products designed by bunnie and xobs.

Sean Cross

Tim Ansell

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