![Arduino – ArduinoBoardUno (EAGLE files and schematic posted) « Adafruit Industries – Makers, hackers, artists, designers and engineers! Arduino – ArduinoBoardUno (EAGLE files and schematic posted) « Adafruit Industries – Makers, hackers, artists, designers and engineers!](https://cdn-blog.adafruit.com/uploads/2010/09/arduinounotop-1.jpg)
Arduino – ArduinoBoardUno (EAGLE files and schematic posted) « Adafruit Industries – Makers, hackers, artists, designers and engineers!
![Electronics-Salon 10x Prototype PCB for Arduino UNO R3 Shield Board DIY. by CZH-LABS: Amazon.com: Industrial & Scientific Electronics-Salon 10x Prototype PCB for Arduino UNO R3 Shield Board DIY. by CZH-LABS: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61sa58xzYQL._AC_UF894,1000_QL80_.jpg)
Electronics-Salon 10x Prototype PCB for Arduino UNO R3 Shield Board DIY. by CZH-LABS: Amazon.com: Industrial & Scientific
![PCB layout of Arduino board (Top side on the left figure and bottom... | Download Scientific Diagram PCB layout of Arduino board (Top side on the left figure and bottom... | Download Scientific Diagram](https://www.researchgate.net/publication/318283686/figure/fig4/AS:513729730813956@1499494120540/PCB-layout-of-Arduino-board-Top-side-on-the-left-figure-and-bottom-side-on-the-right.png)