On the hardware part, remarkable changes are taken to improve the flexibility and user experience.

Schematic & Reference Design

new !  "Hello  Seeeduino"  

New in v2.2

• ATmega328
• USB/EXT power auto select
• Upgrade power capacitor
• Clean up layouts
• Reset easier
• Real Quartz Crystal
• Extern power Diode change to 1N4004(more power on Vin pin)

License & Credit

This is the first open source board from our studio, we are proud to name it seeeduino. However, it is never going to be built without the great community. Thanks for everybody interested, offered suggestions, guidance or lift their concerns. Original Link here.

Seeeduino is licensed under a Creative Commons Attribution 3.0 Unported License. Based on a work at www.arduino.cc.