Dear Maxim, Thank you very much for your offer. Of course your company may donate those products to us. I will contact you then. Thanks a lot to everyone.
2014-04-13 11:17 GMT+02:00 Maxim Podbereznyy <[email protected]>: > Mubin, > May my company donate you these commercial products for the kiosks? > http://www.mentorel.com/product/usomiq-am335x/ > 13 Апр 2014 г. 13:09 пользователь "Mübin İçyer" <[email protected]> > написал: > > We plan only 3 or 4 kiosks and there will be no video playing on the >> screeen. It will read RFID cards (maybe magnetic card or smart card) of >> some users and will ask for user passwords and then it will do some certain >> jobs. If unused it will be switched to sleep mode to reduce power >> consumption. >> >> >> 2014-04-13 10:05 GMT+02:00 liyaoshi <[email protected]>: >> >>> For video player ,RPI win >>> >>> >>> 2014-04-13 12:56 GMT+08:00 Maxim Podbereznyy <[email protected]>: >>> >>> Mubin, how many kiosks do you plan to assemble? >>>> 13 Апр 2014 г. 1:55 пользователь "Mübin İçyer" <[email protected]> >>>> написал: >>>> >>>> Thanks for replies. I have read somewhere ( >>>>> http://www.daveakerman.com/?page_id=1294) that the GPU of RPi can be >>>>> deactivated but it saves only 20mA of power, which is not a big deal. Our >>>>> system will consist of some other hardwares as well i.e. solar power >>>>> control, RFID reader, CAN bus connection, 3G or GPRS connection, LCD, >>>>> Keyboard etc. We decided to get a BBB as soon as possible :) >>>>> >>>>> >>>>> >>>>> 2014-04-12 23:31 GMT+02:00 William Hermans <[email protected]>: >>>>> >>>>>> According to what I have read you can not disable the GPU on the rPI, >>>>>> but you can minimize how much RAM it uses ( down to around 16MB it seems >>>>>> ) >>>>>> I would however wager if you're not using the GPU, its power signature >>>>>> would be minimal. >>>>>> >>>>>> rPI A seems to use up to around 300mA( but no onboard networking ), >>>>>> while the rPI B can use up to around 700mA. >>>>>> >>>>>> I can vouch that the BBB can run from a computers USB port, so less >>>>>> than 500mA. Running from USB, I have boot from an external USB drive, >>>>>> with >>>>>> ethernet enabled., while loading the CPU at 99% load ( software test I >>>>>> wrote in C ) Minimal to no GPIO running. Aside from this however, I have >>>>>> not checked to see how much power the BBB draws. But I did run the above >>>>>> test for several hours. I meant to stress the board for the sole purpose >>>>>> of >>>>>> determining stability. It did not crash or glitch once. >>>>>> >>>>>> From all the reading I have done the only real advantage the rPI has >>>>>> over the BBB, is a much stronger GPU. Power usage seems to be reasonably >>>>>> comparable where I'd bet the BBB has the overall advantage ( no hand on >>>>>> proof though ). Also, the rPI has the slight advantage of software >>>>>> maturity >>>>>> . . . But personally I like where the BBB sits software wise right now. >>>>>> >>>>>> I have no love for the rPI personally, but I could see your project >>>>>> working on either. One thing to note however. If you're going to be >>>>>> running >>>>>> solar to charge batteries . . .the BBB has the right peripherals and >>>>>> enough >>>>>> of them to act as a charge controller( with proper isolation and power >>>>>> mosfets of course ) . . . with plenty to spare. Something that is rather >>>>>> trivial to implement in C. >>>>>> >>>>>> >>>>>> On Sat, Apr 12, 2014 at 1:28 PM, Charles Steinkuehler < >>>>>> [email protected]> wrote: >>>>>> >>>>>>> I think the BBB is the better choice as well, but you'll likely want >>>>>>> to >>>>>>> measure real-world power consumption. >>>>>>> >>>>>>> Neither board is really designed as a mobile platform, but the Pi is >>>>>>> at >>>>>>> heart a set-top box (powered by AC), while the BeagleBone has it's >>>>>>> roots >>>>>>> in tablet-like processors and has fine-grained control over powering >>>>>>> up/down different parts of the chip, CPU speed, etc. I'm not sure on >>>>>>> the Pi if you can disable it's probably power-hungry GPU that is >>>>>>> actually in control of the system (the ARM core is actually a >>>>>>> secondary >>>>>>> CPU, the black-box GPU runs the show). >>>>>>> >>>>>>> There are also likely some tweaks to be made with the BBB that will >>>>>>> reduce power consumption, specifically putting the HDMI Tx chip in a >>>>>>> power-down state. The on-board eMMC will also probably help with >>>>>>> power >>>>>>> consumption, or at least help a bit with reliability (no uSD >>>>>>> connector >>>>>>> to cause problems). >>>>>>> >>>>>>> Finally, the BBB is actually engineered to be able to run off >>>>>>> battery, >>>>>>> which is very similar to what you want to do, while I don't know if >>>>>>> the >>>>>>> Pi has a means to work with multiple power sources. >>>>>>> >>>>>>> Anyway, best of luck, and ask here if you go with the 'Bone and run >>>>>>> into >>>>>>> any problems! >>>>>>> >>>>>>> On 4/12/2014 3:05 PM, Philip Polstra wrote: >>>>>>> > BBB is a clear winner. Lower power consumption, more I/O, easier >>>>>>> to do >>>>>>> > CAN, more reliable, more software options. >>>>>>> > On Apr 12, 2014 2:05 PM, "Mübin Icyer" <[email protected]> >>>>>>> wrote: >>>>>>> > >>>>>>> >> Hi, >>>>>>> >> >>>>>>> >> We are a gruop of students who want to make a kiosk system with >>>>>>> embedded >>>>>>> >> linux boards. We are now in selection phase but we could not >>>>>>> decide which >>>>>>> >> one fits to our requirements. Could you please help us? >>>>>>> >> >>>>>>> >> Our requirements: >>>>>>> >> >>>>>>> >> - Minimum power consumption, since the kiosk will be powered >>>>>>> with >>>>>>> >> solar power and battery. >>>>>>> >> - CAN interface is a must, Rasperry Pi doesn't have such an >>>>>>> interface >>>>>>> >> but it can be easily makeable at cost of power consumption (a >>>>>>> seperate >>>>>>> >> converter for CAN to uart or i2c will be needed.) >>>>>>> >> - No need for graphical outputs such as HDMI, Video out or so. >>>>>>> The >>>>>>> >> connection to the board will be over SSH. >>>>>>> >> - The grapics and text will be displayed on an monochrome LCD >>>>>>> or >>>>>>> >> e-paper to reduce the power consumption. >>>>>>> >> >>>>>>> >> Thanks for helps. >>>>>>> >> >>>>>>> >> -- >>>>>>> >> For more options, visit http://beagleboard.org/discuss >>>>>>> >> --- >>>>>>> >> You received this message because you are subscribed to the >>>>>>> Google Groups >>>>>>> >> "BeagleBoard" group. >>>>>>> >> To unsubscribe from this group and stop receiving emails from it, >>>>>>> send an >>>>>>> >> email to [email protected]. >>>>>>> >> For more options, visit https://groups.google.com/d/optout. >>>>>>> >> >>>>>>> > >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> Charles Steinkuehler >>>>>>> [email protected] >>>>>>> >>>>>>> -- >>>>>>> For more options, visit http://beagleboard.org/discuss >>>>>>> --- >>>>>>> You received this message because you are subscribed to the Google >>>>>>> Groups "BeagleBoard" group. >>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>> send an email to [email protected]. >>>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>>> >>>>>> >>>>>> -- >>>>>> For more options, visit http://beagleboard.org/discuss >>>>>> --- >>>>>> You received this message because you are subscribed to a topic in >>>>>> the Google Groups "BeagleBoard" group. >>>>>> To unsubscribe from this topic, visit >>>>>> https://groups.google.com/d/topic/beagleboard/KCr_Sm8tP_o/unsubscribe >>>>>> . >>>>>> To unsubscribe from this group and all its topics, send an email to >>>>>> [email protected]. >>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>> >>>>> >>>>> -- >>>>> For more options, visit http://beagleboard.org/discuss >>>>> --- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "BeagleBoard" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to [email protected]. >>>>> For more options, visit https://groups.google.com/d/optout. >>>>> >>>> -- >>>> For more options, visit http://beagleboard.org/discuss >>>> --- >>>> You received this message because you are subscribed to the Google >>>> Groups "BeagleBoard" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> -- >>> For more options, visit http://beagleboard.org/discuss >>> --- >>> You received this message because you are subscribed to a topic in the >>> Google Groups "BeagleBoard" group. >>> To unsubscribe from this topic, visit >>> https://groups.google.com/d/topic/beagleboard/KCr_Sm8tP_o/unsubscribe. >>> To unsubscribe from this group and all its topics, send an email to >>> [email protected]. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/d/optout. >> > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to a topic in the > Google Groups "BeagleBoard" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/beagleboard/KCr_Sm8tP_o/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. 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