Couple more tips: 1. Try to keep silkscreen markings off of solder pads (R1, R2, etc). May cause issues with soldering and (obviously) you can't read them. 2. Use high intensity LEDs. You can get LEDs that only need a few mA but are plenty bright. Carey Fisher Chief Technical Officer New Communications Solutions, LLC 678-999-3956 careyfisher@ncsradio.com On Thu, Jun 9, 2011 at 7:18 PM, V G wrote: > Hey all, > > Here's my very simple guitar tuner board. > > Schematic: http://postimage.org/image/yqrtiyh0/ > Unrouted PCB: http://postimage.org/image/yqth2ays/ > Routed PCB: http://postimage.org/image/yqq5zlz8/ > > I'm planning to get it made with DorkbotPDX. $5/sq in and you get 3 copie= s > of the board. > > The board is powered from 3V (2 x 1.5V alkalines), has 2 push buttons for > picking string/other function, has a slide switch for power, crystal with > capacitors, ICSP header, 6 surface mount LEDs for staus/string choice, tw= o > high brightness LEDs for oscillating. > > Just realized - those high brightness LEDs take 30mA, but the PIC can't > provide 30mA on each pin. I'll probably stick a couple of small BJTs on > there. Maybe two MMBT2222 type. > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .