I'm designing a PCB (a shield for Spark Core - microcontroller + wifi board). It is connected to 5 analog sensors (not on board, using 3pin header) and 4 relays (on board).
Output(RJ45) and vias on right is for debug and extension purpose.
(images deleted for copyright purposes)
- Bottom Layer: Blue, Yellow
- Top Layer: Red, White
- Pad, Via: Green
- Software used: Eagle
Please tell me anything you think. Any suggestion is appreciated.