Epi 32U4

An extremely compact, Arduino-compatible ATmega32U4 USB Type-C dev board

Nov 01, 2023

Shipping Soon

Good news at last! They are on their way. UPS claims they'll be delivered to Mouser on Monday, and hopefully they'll quickly make their way to you after that. Read the full update.

Oct 05, 2023

Production Progress

Hello! Things are finally happening. I have received the funds, so now I can finally order in the needed components and get working. Here's the first delivery: Read the full update.

Jul 27, 2023

Epi 32U4 Post Campaign Update

Here's the current status of the Epi 32u4 project. Read the full update.

Jun 28, 2023

Future Plans for Epi and More

This update covers a little about the board design, the name and the logo, and some ideas for the future of Epi. Read the full update.

Jun 21, 2023

Early History of the Epi Board Design and USB Port Torture Testing

Here's a bit about the early two-layer Epi model and the USB port, which people keep telling me is fragile. Read the full update.

Jun 12, 2023

SPAM, SPAM, SPAM, An Epi 32U4 Sample Application, and SPAM.

Aloha, and welcome to my third update, which features a silly idea that demonstrates a use for the Epi. Read the full update.

Jun 09, 2023

A Quick Review of Similar Boards

Hola, and welcome to our second weekly update! This time we will compare Epi 32U4 to some similar boards... Read the full update.

May 30, 2023

Epi 32U4's Open Source Roots

Learn the story behind the open source nature of the Epi-32U4 and why it's important. Read the full update.

May 23, 2023

We Are Go for Launch.

This product began, last year, as a neat idea. "What if there were a tiny Arduino-compatible board that was actually practical to use?" It evolved from there... EPI 32U4 is the result. It's an ultra-compact, EU-made, ATmega32U4-based board with USB Type-C support, 23 usable IOs, and protection against ESD, noise, and overcurrent. Read the full update.

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