Usb to serial cables are available here in India for approx 4.5USD. I don't why ftdi is charging 20$ ?
Sunish On Mon, Jul 26, 2010 at 1:15 PM, Sebastien Lelong < [email protected]> wrote: > Hi Joep, > > Initially, I wanted to let some space to solder/glue/... a module like this > one: > > - > http://cgi.ebay.com/FTDI-UM232R-module-USB-serial-UART-converter-AVR-PIC-/160429940508?cmd=ViewItem&pt=LH_DefaultDomain_0&hash=item255a5e9f1c#ht_3339wt_913 > - http://www.sparkfun.com/commerce/product_info.php?products_id=198 > - http://www.sparkfun.com/commerce/product_info.php?products_id=8165 > - http://www.sparkfun.com/commerce/product_info.php?products_id=718 > - > http://cgi.ebay.com/PC-USB-RS232-Module-Based-TTL-FTDI-FT232BM-BL-Chip-/320508485967?cmd=ViewItem&pt=LH_DefaultDomain_0&hash=item4a9fcb614f#ht_2746wt_981 > > They cost basically the price of your suggested FTDI cable, but may easier > to find ? > > This module costs 5$ on ebay, male connector (weird): > > - > http://cgi.ebay.com/USB-RS232-Module-Board-CP2102-Breakout-/130337003713?cmd=ViewItem&pt=BI_Electrical_Equipment_Tools&hash=item1e58b0d8c1#ht_1128wt_913 > > I first thought FTDI cable was too much expensive, but they compare quite > well with these modules (20$ / cable, . Users could still use their own > serial module with adaptations if needed. Do you think all FTDI cable have > the same pinout ? > > Cheers, > Seb > > > > 2010/7/24 Joep Suijs <[email protected]> > >> If it is the ftdi chip that you want, take an 'ftdi cable' >> http://www.ftdichip.comalem/Products/EvaluationKits/TTL-232R.htm<http://www.ftdichip.com/Products/EvaluationKits/TTL-232R.htm> >> >> As i suggested before, change the jaluino serial connector pinout to >> match this cable is a good idea in any case. >> Joep >> >> >> 2010/7/24 funlw65 <[email protected]>: >> > As I imagined for the first time, when it was only about the >> > microcontroller on a card inserted in ATmega328 socket, if the PIC is >> > under the card, then you can insert a shield. But as things turned >> > out, I think that Sebastien wants only to take advantage from the FTDI >> > chip on the Arduino board and use it as development board, with >> > wires... >> > Or maybe he will use SMD components... >> > >> > Another ideea is to use a flexible "board"... but a proper name will >> > be "Squid" :P >> > >> > Vasi(funlw65) >> > >> > On Jul 24, 9:23 am, Joep Suijs <[email protected]> wrote: >> >> Hi Seb, >> >> >> >> Just wondering, (how) can you use shields on a arduino board with the >> >> cuckoo installed? >> >> >> >> Joep >> >> >> >> 2010/7/23 Sebastien Lelong <[email protected]>: >> >> >> >> > 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_v13... >> ). >> >> > - 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 >> >> >> 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. >> > >> > >> >> -- >> 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]<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. 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