2010/7/24 vasile surducan <[email protected]> > > > <http://4.bp.blogspot.com/_0iJadzFlwNo/S_OgtycPtxI/AAAAAAAAAAc/vNesIW3Nvn0/s1600/fig2.jpg>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. >
Yes, I guess, maybe the best option remains to use internal clock, bypassing Arduino's 16MHz Xtal. > > Unless you don't expect to sell this board, I still suggest to forget about > it and re-design your favorite arduino with a PIC on one board, see Vasi's > board, take his design and modify it to met your requirements, will be much > easy, less expensive and more professional. > I have an Arduino but never use it, so my requirements are "make something useful with this useless Arduino board". In this context, using Vasi's board won't help. > 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 > I'm sure to understand, what do you mean ? Is it related to flexible PCB you're later talking about ? Cheers, Seb > > On Fri, Jul 23, 2010 at 7:38 AM, Sebastien Lelong < > [email protected]> wrote: > >> Hi guys, >> >> >> One step further... I've created a first schematic for Jaluino Cuckoo, >> attached as PNG file: >> >> - I've copied ISCP part from Jaluino Medium ( >> http://justanotherlanguage.org/sites/default/files/jaluino_medium_v13a_schematic.png >> ). >> - Xtal option: with 2 jumpers, user can decide to use Arduino Xtal >> (16MHz), Cuckoo's onboard Xtal (20MHz), or no Xtal at all for internal >> clock, low power usage (without being able to use pins though). Note with >> 18f25K22, using Arduino's Xtal gives the highest performance with x4 PLL >> (not possible with 20MHz) >> - I added two I²C resistor, as an option. I wasn't able to find them on >> Arduino schematic to map them ( >> http://arduino.cc/en/uploads/Main/arduino-duemilanove-schematic.pdf). I >> think it can be convenient to select I²C master/slave this way. >> - There's a RESET push button on Cuckoo's board, in addition to the one >> found on Arduino. This could be interesting when using Cuckoo as a >> standalone board, as Mike suggested, but this would need to act on two >> buttons to reset it when plugged on Arduino... Maybe I'll add a jumper to >> select which Reset to use. I *think* (means I'm not sure) Arduino's Reset >> schematic should work with Cuckoo. >> >> Before I start to pull my hair with the PCB, do you any comments, >> suggestions, ... ? >> >> Cheers >> Seb >> >> 2010/7/16 Sebastien Lelong <[email protected]> >> >> Hi guys, Vasi, >>> >>> Indeed pin mapping wasn't easy. Despite the great number of feature >>> coming with 18f25K22, I had to make compromise and add limitations... See: >>> http://justanotherlanguage.org/content/jaluino/blog/cuckoo-meets-arduino >>> >>> >>> <http://justanotherlanguage.org/content/jaluino/blog/cuckoo-meets-arduino>Vasi, >>> I know this is quite horrible to read :) but I also know you've been there >>> before, I would certainly appreciate if you could check this mapping and >>> tell me what you're thinking about it. I tried to log my thoughts explaining >>> my choices, I hope you can follow them ! >>> >>> >>> Cheers, >>> Seb >>> >>> >>> 2010/7/12 funlw65 <[email protected]> >>> >>> Sebastien, >>>> If you succeed in mapping this board, then an Arduino clone will be >>>> far easier for you. I can assure you! >>>> >>>> Vasi()funlw65 >>>> >>>> On Jul 12, 5:45 pm, Sebastien Lelong <[email protected]> >>>> wrote: >>>> > Hi guys, >>>> > >>>> > As a log, summary and some sort of specification requirements (say it >>>> fast), >>>> > here's a page I've written, hopefully describing what I have in mind. >>>> > >>>> > http://justanotherlanguage.org/content/jaluino/blog/jaluino-cuckoo >>>> > >>>> > Feel free to comment... >>>> > >>>> > Cheers, >>>> > Seb >>>> > >>>> > 2010/7/6 Sebastien Lelong <[email protected]> >>>> > >>>> > >>>> > >>>> > > Hi guys, >>>> > >>>> > > 2010/7/5 m...@watty <[email protected]> >>>> > >>>> > >> 44 pin or 64pin 18F67J50 SMD with option for USB mini or micro >>>> > >>>> > > connector on cuckoo board >>>> > >>>> > > Such a board would act as an extension of existing Arduino, but I >>>> doubt it >>>> > > can be done without SMD components, right ? >>>> > >>>> > >> 6 pin ICSP on cuckoo too >>>> > >>>> > > this seems mandatory, indeed, even if it takes room. >>>> > >>>> > >> option for on board crystal. >>>> > >>>> > > What about selecting onboard Xtal (16MHz for Arduino 2009) or >>>> internal >>>> > > clock ? I could add another Xtal on Cuckoo board but I have doubts >>>> about >>>> > > room... >>>> > >>>> > >> option for 5V to 3V regulator >>>> > >>>> > > Do you mean to power the PIC ? >>>> > >>>> > >> Can be used in Arduino or as standalone module. >>>> > >>>> > > That would be great, something like >>>> > >http://www.solarbotics.com/products/kardw/. >>>> > >>>> > > About PIC selection, I've found 18f26k22 as an interesting >>>> candidate: >>>> > > - 64KB memory >>>> > > - 2 * USART >>>> > > - I2C *and* SPI (2 * MSSP) >>>> > > - independant analog pins, easier to map pins >>>> > > - clock up to 64MHz, 16MIPS >>>> > > - 3 external interupts >>>> > > - 2 * PWM output >>>> > >>>> > > but not in production... Little brother 18f25k22 can be sampled, but >>>> "only" >>>> > > have 32KB memory. I'll try this one I guess. On the other side of >>>> the nest, >>>> > > Arduino provides: >>>> > > - 1 USART >>>> > > - 2 external interupts >>>> > > - SPI >>>> > > - I2C within ADC pins >>>> > > - 6 PWM channels (this can't be defeated...) >>>> > >>>> > > This can be cuckooed by 18f25k22 :) >>>> > >>>> > >http://www.microchip.com/wwwproducts/Devices.aspx?dDocName=en546240 >>>> > >>>> > > Cheers (Groeten) >>>> > > Seb >>>> > >>>> > >> On Jul 5, 4:29 pm, Sebastien Lelong <[email protected]> >>>> > >> wrote: >>>> > >> > Hi guys, >>>> > >>>> > >> > The Cuckoos are a bird family, known to be brood parasite. Mother >>>> Cuckoo >>>> > >> > lays its eggs on other bird's nest. Baby Cuckoo will be brooded >>>> and when >>>> > >> > hatched, will clear the nest from other eggs. It will be fed, for >>>> free, >>>> > >> > until it often reaches ten times the size of its parents (which >>>> seem >>>> > >> dumb >>>> > >> > enough not to mention the subterfuge). >>>> > >>>> > >> > This gave me an idea for another Jaluino family. Codename: >>>> Jaluino >>>> > >> Cuckoo ! >>>> > >>>> > >> > The idea is to unplug ATMega168 from Arduino Duemilanove and plug >>>> a >>>> > >> > Microchip PIC instead. A small PCB would probably needed to map >>>> pins. I >>>> > >> had >>>> > >> > a look potentials PICs, like 18F2680, 18F2620. 18F2550 isn't that >>>> useful >>>> > >> as >>>> > >> > there's no USB on Arduino Duemilanove. It would need UART, I²C, >>>> PWM, ADC >>>> > >> > (preferably with independent pin), and should run as fast as >>>> possible >>>> > >> with a >>>> > >> > 16MHz externak Xtal. >>>> > >>>> > >> > Does it sound doable ? Suggestions ? Warnings ? >>>> > >>>> > >> > Cheers, >>>> > >> > Seb >>>> > >> > -- >>>> > >> > 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]> >>>> <jallib%[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 >>>> > >>>> > -- >>>> > 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 >>> >> >> >> >> -- >> 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]<jallib%[email protected]> >> . >> For more options, visit this group at >> http://groups.google.com/group/jallib?hl=en. >> > > -- > 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.
