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Pi vs BeagleBone-Black

Former Member
Former Member over 12 years ago

So, just over a year on from the initial availability of the R-Pi and the new BeagleBone Black is upon us.  They've obviously taken a leaf out of the RPF's playbook and produced a cost reduced version at a price only marginally above the Pi.

 

I find it interesting that the compromises are very different, for example there's a proper PMIC and the ethernet is not troubled by being connected to USB, however the on-board HDMI seems less capable.

 

Other differences are in the documentation, I'm currently viewing the pcb gerbers for the beaglebone..  Have yet to see any sign of those for the R-Pi a year later. There's even an up to date devicetree capable kernel too.

 

Technology has also moved on somewhat, we get a 1GHz Cortex A8 which is better than the Pi, along with various other stuff and lots more GPIO's too.

 

Ok, so it's clear that I like the look of the new beaglebone, and given the price I'm likely to put any further R-Pi plans on hold until I have a chance to play with this. It's also making things like the Olinuxino-maxi I bought recently look very slow/expensive while still being cheaper than the similarly specced Olinuxino-A13

 

Some details of the beaglebone-black here http://circuitco.com/support/index.php?title=BeagleBoneBlack

 

What do the rest of you think ?   I don't expect this to displace the Pi anytime soon, but I expect it to be very attractive to those people who don't simply want to put XBMC on it and duct tape it to the back of the TV..

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  • Former Member
    Former Member over 12 years ago

    If finding a cubieboard is a problem, you could take a look on Ebay at the Mele A1000 media player. It's pretty much a cubieboard without the gpio lines. It will cost more than a Pi, but it comes with a supply and a housing. It also has a vga output and connector fitted. It has wifi and ethernet embedded if I remember well. There even is the Mele A2000G with 1Gig of ram.

    For GPIO, I prefer to use a dedicated microcontroller connected to the linux board with an usb interface. This approach might be a bit more expensive, but it makes it possible to switch from one linux board to another without much hassle. It also makes the system responsive to io changes after a fraction of a second instead of several seconds needed to boot the system. Maybe it's just me being conservative and used to embedded design on 8 bit microcontrollers. Linux adds connectivity to it and makes easy in system programming possible.

    The Mele also uses the allwinner A10 soc, so booting linux is possible from the sd card. Placing it on the internal flash memory of the player should be possible as well.

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  • rdolson
    rdolson over 12 years ago in reply to Former Member

    The architecture I'm currently designing out for my pet project will have the timing-critical stuff on MSP430s, with a SPI connection up to the Pi for connectivity and user-side control. Looking at doing global clock sync between the Pi and the microcontrollers using the Nordic radio transceivers and a variant of FTSP.

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  • rdolson
    rdolson over 12 years ago in reply to Former Member

    The architecture I'm currently designing out for my pet project will have the timing-critical stuff on MSP430s, with a SPI connection up to the Pi for connectivity and user-side control. Looking at doing global clock sync between the Pi and the microcontrollers using the Nordic radio transceivers and a variant of FTSP.

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