Indeed, RC2 seems a more reasonable option for onboard LED pin. Regarding Pinguino, I know some users use Jaluino with Pinguino IDE.
Seb 2011/1/23 funlw65(Vasi) <[email protected]> > Hi Seb, > > If you make the LED selectable, then no pin sacrifice at all and then > no matter which pin...well, the most used peripherals must be avoided. > > Anyway, what about RC2? (Digital 13 LED on FreeJALduino) - it can be a > choice also for future Pinguinos... (why not to be us the ones which > will design also the future Pinguino board - even if is named Jaluino > "code_name_here"). > > Vasi > > On Jan 23, 2:36 pm, Sebastien Lelong <[email protected]> > wrote: > > There many PICs more or less pin compatible. I mean it needs at least to > be > > compatible regarding power supply, clock, ICSP, and maybe also serial. So > > your PIC would also probably be usable with this PCB. > > > > The problem is, for instance, where to put onboard LED. I put it in RA0 > pin, > > which maybe is not a very good idea: RA0 also carries AN0, when using PIC > > with dependent ADC pins, this one will always be included in > configuration, > > thus no more LED. So, where to put this onboard LED ? Meaning, which pin > to > > sacrifice ? Or, maybe, just don't solder the LED... Or, maybe, I should > > develop a small app that would screen many ICs and report which could be > > used :) > > > > Regarding 5V or 3V3, it's included in the design, though not sure yet if > > it's properly done. There are 2 regulators, both optional (bypass through > > solder jumper). So you can choose to power your board with 9V (regulated > to > > 5V, then 3V3), 5V (5V reg bypassed, then regulated to 3V3), and 3V3 (all > reg > > bypassed). Then you can choose (when appropriate) which between 5V and > 3V3 > > to use to power your PIC (eg. PIC can have 5V, but Xbee requires 3V3, so > you > > need both). It's only a matter of using the proper voltage regulator. > LM317 > > can do many voltage output, that's why I chose it, but I still wonder if > > it'll be powerful enough. In doubt, its pin layout is compatible with > other > > nice regultor (fixed output voltage), like LT1117. > > > > PS: never tried TI chips > > > > Cheers, > > Seb > > > > 2011/1/23 phalox <[email protected]> > > > > > > > > > Maybe take this one into your design too? > > > > > It's pin compatible with the 2550, it only needs some capacitors, and > > > a different supply. > > > So one pcb would make 2 nice boards... one rated at 5V, the other at > > > 3.3 > > > > > Just an idea but I think it would be very nice! > > > > > ps: ever tried to write the names of those µC delivered with the TI > > > launchpad? > > > MSP430G2211IN14 > > > > > -- > > > 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.
