No, it's ok, I saw also original Arduino design have orphans... Vasi(funlw65)
On Aug 5, 6:03 pm, Sebastien Lelong <[email protected]> wrote: > Hi Vasi, > > 2010/8/5 funlw65 <[email protected]> > > > Hi Sebastien, > > > Good job, I like it very much. Is a nice addition to an Arduino board. > > You tried to see how it looks if you remove those orphan islands from > > the copper pour? > > What do you mean with these orphan islands ? Some copper is automatically > added by Eagle with Ratsness feature, this can explain those little piece of > copper. I may need to adjust ratsness parameters to remove them if this is a > problem. > > Cheers, > Seb > > > > > > > Vasi(funlw65) > > > On Aug 5, 3:56 pm, Sebastien Lelong <[email protected]> > > wrote: > > > Hi guys, > > > > I tried to design Cuckoo PCB, attached are Eagle files and screenshot for > > > bottom and top layers. Most traces are 16mil width, sometime 14mil to > > pass > > > between holes, and 5V/GND traces are 20mil. > > > > This is a double-sided PCB, aimed to be plugged upside down: bottom side, > > > where Cuckoo drawing is visible, is the one that can be viewed when > > plugged > > > on Arduino. PIC, and most components will be hidden by the board. In my > > > "reckoning" is correct, components should fit appropriately between > > Atmega > > > chipset, Xtal, push button and shield connectors. Maybe... > > > > Subsidiary question: in Eagle, I manually route traces, and added > > ratsness > > > rectangle. I wanted to check if no unrouted traces were remaining (I know > > > there weren't but...), and Eagle started to create new signals, with very > > > little traces and vias. There weren't connected to any existing signals, > > > it's as though it was to "cut" ratsness rectangle. I've removed them. > > Does > > > anyone know what's the purpose of such added traces/signals ? > > > > As reply to you, Sir Vasile Surducan: > > > > 2010/7/24 vasile surducan <[email protected]> > > > > > We had a looong discussion about ICSP some time ago, so this is the > > last > > > > time I'm opening again my mouth (by writting) about this subject. > > > > Put a 47nF... 100nF capacitor in parallel with your reset switch, in > > that > > > > way when turn ON the power supply, reset will be automatically, change > > R1 > > > > from 1k2 to 10k...33k and take out that diode. > > > > See for reference (only if consider those above) this one: > > > >http://4.bp.blogspot.com/_0iJadzFlwNo/S_OgtycPtxI/AAAAAAAAAAc/vNesIW3. > > .. > > > > Due to lack of space, I've removed reset switch. About reset resistor, > > > Arduino already has one, 10K, connected from RESET /MCLR to +5V. If I had > > > added another resistor on Cuckoo board, both resistors would have been in > > > parallel, resulting in a "not so good value I guess". So, I've made > > cuckoo > > > reset resistor optional (for standalone usage, not connected to Arduino), > > > and let MCLR connected to Arduino reset circuitry (that is 10K). > > > > Diode was removed. > > > > > < > >http://4.bp.blogspot.com/_0iJadzFlwNo/S_OgtycPtxI/AAAAAAAAAAc/vNesIW3.. > > .>Switching > > > > the clock through a switch is a very bad idea. Very long routes of > > clock > > > > (incuding connectors in their path) is also a bad idea. > > > > Connecting to Arduino Xtal is now optional. By default, internal clock > > will > > > be recommanded (16MHz, same MIPS in the end). > > > > > If you want to start a merchantable new arduino, imagine the puzzle > > game > > > > (on a surface and not a startrek spatial puzzle) and imagine a complete > > > > jalluino-picolino (including "shields" ) in that way. Picolino = very > > small > > > > Sure, how do we proceed ? > > > > I think I'll try to build it with some cardboard, to check if all > > components > > > fit well. Then I plan to order PCBs from Seeedstudio prototyping > > service... > > > > Cheers, > > > Seb > > > > cuckoo_pcb_top.png > > > 360KViewDownload > > > > cuckoo_pcb_bottom.png > > > 367KViewDownload > > > > cuckoo.sch > > > 228KViewDownload > > > > cuckoo.brd > > > 66KViewDownload > > > > cuckoo_sch.png > > > 28KViewDownload > > > -- > > You received this message because you are subscribed to the Google Groups > > "jallib" group. > > To post to this group, send email to [email protected]. > > To unsubscribe from this group, send email to > > [email protected]<jallib%[email protected]> > > . > > For more options, visit this group at > >http://groups.google.com/group/jallib?hl=en. > > -- > Sébastien Lelonghttp://www.sirloon.nethttp://sirbot.org -- You received this message because you are subscribed to the Google Groups "jallib" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/jallib?hl=en.
