Let's Make Robots!

PCB help (Eagle)

Hi all!

I have made a board for the pic16f690 with some servo connections and some other connections. I think the file is kind of self explanatory. I'm basically just wondering if any of you used to doing PCB's or working in Eagle have any warnings or advice on this board. i am trying to get a clean board and also trying to make it onesided. So all tips appreciated.

Thanks in advance

*Edit 121102

The pandabot_rev is the latest version with groundplanes 40 mil traces with more spacing. i think i will just go for the first pandabot.brd layout and do a simple etching at home. and then i might get some new and better ideas for the future one.Having some trouble deciding on what to do.

Mixmar

AttachmentSize
pandabot.sch119.4 KB
pandabot.brd53.02 KB
pandabot.png13.08 KB
panda_rev.brd58.73 KB
panda_rev.png18.85 KB

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you can use thermal connections(?) on all points that connect to ground. That will save you having to actually make those traces. It could also give you another space to route a trace or three.

Just had a quick look. I would:

  • Add a ground plane
  • Mitter the traces (no 90° corners)
  • Add some caps on the servo power connections
  • Use some thicker traces for the servo power connections, maybe also for the VCC connection to the mcu
  • Add some more caps

BTW: I like caps, I have like over a 1000 in stock :)

 

since i'm new to all this i guess it will be some trial and error to this.

I will try to follow your advice, please be patient with me :)

will upload the new improved boards asap.

Thanks bajdi