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Blog Your Thoughts on the Raspberry Pi Compute Module 3
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  • Author Author: spannerspencer
  • Date Created: 16 Jan 2017 11:20 AM Date Created
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Your Thoughts on the Raspberry Pi Compute Module 3

spannerspencer
spannerspencer
16 Jan 2017

So, I don't know if you've seen, but there's a brand new Raspberry Pi Compute module launching today!

 

As you guys know, having been around the Raspberry Pi block quite a few times, the Compute module isn't really aimed at the makers among us -- this is more for a commercial, or industrial market, where the brains of a Pi need to be embedded inside a prototype, platform, or some other manner of professionally-built project.

 

But we'd still be interested in hearing your thoughts on this new iteration of the device, which offers a very different form factor from the Raspberry Pi SBC (this being a SOM, instead (System on Module)) along with a significantly extended GPIO interface.

 

The Raspberry Pi Compute Module 3 & Compute Module 3 Lite

The original Compute module was built around the BCM2835 processor, which was also found on the RPi B+. Although the Raspberry Pi SBC has seen a couple of iterations since then, this is the first update to the Compute platform that's been released (nope, there's no Compute Module 2 -- you didn't miss something!).

 

It contains the BCM2837 process, the same as the Raspberry Pi 3, and its RAM has been doubled to 1GB. The Compute Module 3, just like its predecessor, has 4GB of eMMC flash memory in lieu of needing an SD card for the OS and storage. Though if you're wanting to slim things down, the Compute Module 3 Lite dispenses with the eMMC flash memory, and exposes the pins via the edge connector instead.

image

Raspberry Pi Compute Module 3 Development Kit

As with the original Compute Module, there's an IO breakout board available that's very similar to its older brother. One of the primary purposes of the Compute Module itself is for prototyping, and this board allows you to prepare your Compute Module 3 for that function.

 

It offers easy pin access to all those many, many, lovely GPIOs, and now includes a microSD port for the Compute Module 3 Lite (on account of it not having the built-in eMMC flash memory).

image

 

So, there's your brief overview of the Compute Module 3, with a more in-depth look at the three boards over here, and we'd love to hear your thoughts on this latest addition to the Raspberry Pi family in the comments below!

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Top Comments

  • rachaelp
    rachaelp over 8 years ago +4
    I like the concept of the compute module. If I was designing an embedded product that needed this sort of level of computing power but I wanted my main board to be simple and quick and I not have to worry…
  • balearicdynamics
    balearicdynamics over 8 years ago +3
    I like very much the idea too. I followed this modules by the first one but for my projects I see a series of problems, like the need to assemble them - just for my case - using the development kit. The…
  • pettitda
    pettitda over 8 years ago +3
    At $200, the dev kit seems a bit pricey. The two compute modules it comes with only account for $55, so I'm not sure where the rest of the cost is coming from. Is it just the expected volumes which are…
  • clem57
    clem57 over 8 years ago in reply to jemartel

    Though if you're wanting to slim things down, the Compute Module 3 Lite dispenses with the eMMC flash memory, and exposes the pins via the edge connector instead. There you can externally attach your own eMMC module instead with a bigger size.

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  • kingsob
    kingsob over 8 years ago in reply to shabaz

    You are correct, thank you! I knew I must have been missing something.

     

    I was searching around for a smaller Pi Zero and ran across this and briefly got excited.

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  • shabaz
    shabaz over 8 years ago in reply to kingsob

    I've not looked in detail, but aren't the specs very different? CM3 is closer to Pi 3 in performance than Pi zero, i.e. approaching an order of magnitude better performance with some benchmarks; the CM3 has a far more modern processor, and it is quad core. Memory is higher too I think.

    The form-factor fits the connector they standardized on with the earlier Compute Module.

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  • kingsob
    kingsob over 8 years ago

    Can someone help me understand why it is so expensive (compared to the Pi Zero)? I must be missing something here...

     

    Also why is it so big? Its looks to be larger than the Pi Zero, with less functionality...

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  • jemartel
    jemartel over 8 years ago

    Just received my Compute Module 3 DEV kit, yesterday from MCMElectronics. I was having issue finding new release of Raspian-Jessie that would fit on 4gb emmc....I decided to setup CM3L with 32gb SD with Full version of Jessie with Pixel 1-11-17. After updates are done, I'll retry to load Jessie-Lite onto the emmc. As with all my projects, I want to build this into a Robot. Wished it had a larger emmc....or at least wifi on the DEV IO board

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