Uno Ex and Uno Ex2 are Extended Uno Compatible Boards
Based on ATmega644P and ATmega1284

Pin to pin compatible with Arduino(r) Uno(r)

- 24 digital pins
- 8 analog pins

Preferences -> Additional Boards Managers URLs : https://master.dl.sourceforge.net/project/extended/packages/package_extended_index.json?viasf=1

Project Activity

See All Activity >

Follow UNO Extended: ATMega644 Arduino(r) Board

UNO Extended: ATMega644 Arduino(r) Board Web Site

Other Useful Business Software
Ship Agents Faster Icon
Ship Agents Faster

Transform your applications and workflows into powerful agentic systems at global scale.

Gemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
Start Free
Rate This Project
Login To Rate This Project

User Reviews

Be the first to post a review of UNO Extended: ATMega644 Arduino(r) Board!

Additional Project Details

Registered

2026-06-30
Report inappropriate content