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 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.
