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I love the smell of new electronics in the morning 🙂

I was checking on the bananapi.com forums earlier today, and I ran across the announcement of the BPi-M2 (which also reminded me that I’d forgotten to post about LeMaker’s Banana Pro)

(the images in this post are courtesy of Google circle postings by SinoVoip staff, presumably they want them widely seen)

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The board looks pretty good – we can see four USB2.0 ports, which means no need for an external hub for a lot of applications. Note the 40 pin GPIO header, up from 26 pins.

I am certain more specifications will be released over time – however we can deduce that there must be a USB2.0 hub on board, as there are four exposed USB2.0 connectors, and the A31s chipset only has two USB2.0 ports.

Hmm… I think there is one native USB2.0 port brought out, and the second port goes to a four port USB hub chip – this would account for the observed four USB2.0 ports, and the WiFi adapter on the bottom of the board.

Or perhaps the WiFi adapter goes to a direct port and the four accessible ports are from the hub? Testing will tell…

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I’d have preferred if the four USB2.0 ports were on the same side of the board… but I am not about to complain about having four ports instead of two!

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The four mounting holes seem to match the ones on the original Banana Pi – perhaps this is why the IR receiver is in the same place as on the original BPi, and why the extra USB ports are on the side!
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Note what appears to be a DC power jack in the lower left side of the board.

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You can see the push-push micro SD card socket on the top right, and below it, the WiFi module. It looks like there is a provision for an SMC WiFi antenna connector.

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Yes! There is a proper DC power supply jack above, on the lower left!

Personally, I far prefer such a jack to powering the boards with a micro USB connector as they can handle more power.

Note the stereo audio + video jack on the top right.

There was some disappointment expressed on Google+ at BPi-M2 not having a SATA port, and not having USB3.0.

While I’d love to have Sata and USB3.0, the A31s does not directly support Sata or  USB3.0, so I don’t see any point in adding it on board as it would have to go through USB2.0 interface, greatly limiting its bandwidth.

I am not very familiar with the A31s, if it support some sort of external bus, or even a single PCIe lane, perhaps it would be possible to hook up a high speed USB3.0 phy to, or a Sata interface.

I can see many uses for the BPi-M2, and I am looking forward to evaluating it (and writing a review like the one I did for the Banana Pi)

For those applications that require a higher bandwidth Sata interface than can be accommodated with a USB2.0-Sata bridge, the original Banana Pi and LeMaker’s upcoming Banana Pro may be a better choice.

Those applications that need higher compute performance, the quad core A31s based BPi-M2 may be a better choice.

I can’t believe I forgot to post about the Banana Pro earlier!

(actually, I can. Between urgent work, projects & family, I did not get to post about it when it was announced – even though I meant to)

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On top of the board, you can see the 40 pin GPIO header, with pinout compatible with the Raspberry Pi Model B+

On the bottom of the board, you can see the integrated WiFi module on the bottom of the board.

It looks like the mounting holes are in the same relative positions as on the original Banana Pi

The rest of the features appear to be identical to the original Banana Pi (you can read my extensive review of the Banana Pi by clicking on this link)

Specifications

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Features

Software

I look forward to reviewing a Banana Pro once I get my hands on one!

I thought y’all would be interested in an extensive review of the new Raspberry Pi Model A+ with extensive WiFi stick compatibility and power consumption comparisons with other Raspberry Pi models (and much more) are all in there for your reading pleasure 🙂

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Article Index

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1. Introducing the Raspberry Pi Model A+, Feature Comparison
2. 40 pin GPIO header, Only ONE USB Port
3. Switching Power Regulation, Improved Board Layout, Software Compatibility, Hardware Compatibility
4. Hardware Compatibility (continued)
5. USB WiFi stick compatibility, Power Consumption
6. Power Test Results, Conclusion

I received the Raspberry Pi Model A+’s on Monday, and have been playing with one whenever I found some “spare” time.

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Here we have the “Hello World!” of the electronics world – lighting an LED:

Python 2.7.3 (default, Mar 18 2014, 05:13:23)
[GCC 4.6.3] on linux2
Type “help”, “copyright”, “credits” or “license” for more information.
>>> import RoboPiLib as RoboPi
>>> RoboPi.RoboPiInit(“/dev/ttyAMA0”,115200)
>>> RoboPi.pinMode(0,RoboPi.OUTPUT)
>>> RoboPi.digitalWrite(0,1)

It worked on the first try!

Mind you, that did not surprise me. I would have been shocked if the A+ was not compatible with add-ons that worked with the B+

Just like with the B+ standoffs can be installed on the A+ that RoboPi can rest on to stop it from “flopping around”.

Related Links:

• RoboPi product page
• Raspberry Pi Model B+ Review

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I managed to score five new Raspberry Pi Model A+ ‘s from Allied Electronics Canada!

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https://ca-en.alliedelec.com/search/productdetail.aspx?SKU=70428330

Just for yucks, I checked what Element14 says for Canada (of course they do not show any stock)

• 247 Further stock expected to ship on 5-Jan-2015
• Per the manufacturer, more stock expected week of 09/03/15

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Allied has about 330 A+’s left at this time, I bet they won’t last long.