Single-sided Arduino uno board

Single-sided board developed in KiCAD. Instead of more expensive FT232/AT90USB I used cheap (1.5$) CP2102. Additional connectors for RS232 and I2C (XP2/XP3):

Files: ul_arduino_uno-01.tgz

Project blog post: I2C modules will be published here:

er waht do you mean by single-sided? it looks distinctly like a double-sided PCB to me

Thats correct, its actually double-sided, but can be manufactured as single-sided without via tenting (or using DIY-photoresist method) and upper side soldered with jumper wires:


Thanks for sharing Tormentor! 8)

Factory-manufactured PCB: