25K22 (and 26K22 IIRC) doesn't provide USB peripheral, won't it be a problem for you ?
Cheers, Seb 2010/8/5 funlw65 <[email protected]> > Yes, that was first thought - using your board... but it must be a > board which use a 25k22, 26k22 to be possible... an Arduino clone > using your exact mapping... > > On Aug 5, 10:32 pm, Sebastien Lelong <[email protected]> > wrote: > > Sorry, I don't understand what you're try to do :) Do you want to put an > > Atmega on Freejalduino ?? > > > > 2010/8/5 funlw65 <[email protected]> > > > > > > > > > Now, you gave me some food for thought with your conversion... > > > unfortunately, an ATmega328p does not fit into my board... only if we > > > have a similar board (Arduino clone), using 25k22, 26k22... so, first > > > must be the chicken... to lay the eggs... > > > > > 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]> > <jallib%[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]<jallib%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/jallib?hl=en. > > -- Sébastien Lelong http://www.sirloon.net http://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.
