[Swansea Hackspace] Raspberry Pi Zero

Sun Nov 29 23:42:04 GMT 2015

Both are the same size as a full blown Pi

On Sunday, November 29, 2015, Neil Jones <neil at aurinia.co.uk> wrote:

>
>
> On 28/11/15 18:27, Emyr Morris wrote:
>
> any good?
>
>
> http://uk.farnell.com/piface/piface-control-display/i-o-board-with-lcd-display-for/dp/2344458
>
> Sounds interesting and perhaps it would work
> I was thinking possibly of something like this
>
> http://www.neosecsolutions.com//products.php?28&cPath=17
>
> It is actually a slightly smaller area than a credit card.
>
> But I would need to work out how much battery capacity the screen would
> use.
> There are some pretty powerful battery packs available on-line for
> charging phones that might do the job.
> They seem to  have a higher capacity than some laptops!
>
> Neil
>
>
>
>
> On 28 November 2015 at 16:10, Neil Jones <neil at aurinia.co.uk
> <javascript:_e(%7B%7D,'cvml','neil at aurinia.co.uk');>> wrote:
>
>>
>>
>> On 27/11/15 01:14, S Wathan wrote:
>>
>> The magazine itself can be download for free from the website, I
>> downloaded it today. So its just a case for stockist to get the board back
>> in and not paying the £30 plus people are paying on ebay
>>
>> That is a very sensible way of looking at it Sarah.
>>
>> There is always someone with money to waste who will pay these silly
>> prices. As you say the magazine is available free and has some really good
>> articles in there.
>> I like the idea of an electronic conference badge that they suggest. I
>> could think of a very good use for one of those for a conference I attend.
>> It would make a point to the charity organising it about the use of the
>> internet that I have been suggesting for years and I could write it on the
>> badge.
>> My suggestions would work on a Pi Zero too.
>> All I need now is a small pocket keyboard solution to program it / change
>> its settings on the go. It would be nice to be able to put video on it too
>> if that is possible.
>>
>> The PI Zero ways just NINE GRAMS. That is half a gram lighter than a
>> pound coin!
>>
>> Incidentally there are examples of the magazine on ebay for £45 £49 and
>> £89. There was one at £99 the other day.
>> There is something cool though about giving away a computer on the front
>> of a magazine.
>>
>> Neil
>>
>>
>> On 27 Nov 2015 00:14, "David Davies-Day" <djdavies83 at hotmail.com
>> <javascript:_e(%7B%7D,'cvml','djdavies83 at hotmail.com');>> wrote:
>>
>>> Oooh, I really shouldn't have kicked off the puns.
>>>
>>> When I rang WH Smith (Swansea quadrant), the lady said I was about the
>>> 20th person to phone in and that they won't be getting anymore.
>>>
>>> Looking at the Pi blog, the Zero is made here in Wales.
>>>
>>> https://www.raspberrypi.org/blog/raspberry-pi-zero/
>>>
>>> WARNING, LONG RAMBLE APPROACHING: short version bear the end.
>>>
>>>
>>> Now that I work in the PCB assembly environment, I can fully appreciate
>>> exactly how they am have got the cost down on this one. I would imagine
>>> they would be manufactured in panels of 8, they would go through a screen
>>> printer to add the solder paste, pass through the pick and place machine
>>> (Mydata19 for example), then the reflow oven. That's the assembly complete,
>>> into the Automatic Optical Inspection machine to check for solder bridges,
>>> dry joints,  miss aligned compnents etc, if it passes AOI and there are no
>>> though hole components there would not be a manual inspection, maybe a
>>> quick system check (but I doubt it), that's it off to packing!
>>>
>>> Now, if they were to have populated that 40 pin header, it woukd have
>>> been hand placed and sent over a wave solder machine, before that though,
>>> the 4 mounting holes and any other hales or pads that should not tmbe
>>> soldered would need to be manually masked using Kapton tape.
>>>
>>> After another person takes a full rack of header populated boards, puts
>>> then through the wave machine/solder bath, another person would remove the
>>> tape and debug any dry joints or solder bridges, re-seat any raised
>>> components,  fit any missing ones or ones that cannot go through a wave
>>> machine, the solder side would be washed with a safe liquid solution,
>>> manual inspection, then it's packaging.
>>>
>>> If a manufacture,  paying UK wages were to make any profit, they would
>>> have to charge their customer 3-4 the hourly the amount of a UK national
>>> minimum wage person.
>>>
>>> (HERE'S THE SHORT OF IT)
>>>
>>> In short, by using the smallest component so possibly, e.g. the micro
>>> USB, mini HDMI etc the board can be shrunk to its smallest to allow a
>>> greater number of boards to be SMD populated and flowed in on pass, leaving
>>> the 40 way through holes pads unpopulated for the end customer to do what
>>> they want with cuts a out a huge chuck of extra assembly time.
>>>
>>> Ramble over. :-)
>>>
>>> The attached image shows the connections, really please to see the Pi
>>> Zero still has Composite video out, even if I will have to populate it with
>>> a connector.
>>>
>>> The sets that include cable are good value, but as a have mini HDMI
>>> cable for my android boxes and MICRO USB OTG cables for my phone, I imagine
>>> they will work with the Zero, I don't really need a bundle, but I may get
>>> one to know I have new set that will be reliable.
>>>
>>> Emry, did you see the Chip Computer I sent an email about back when the
>>> kickstarter campaign was running?
>>>
>>> The $9, now $8 computer has the same 1Ghz, 512ram as the Zero, but has
>>> built in wifi, blue tooth AND 4Gb of on board storage, HDMI shield is an
>>> extra, it does come with the Composite cable as standard.
>>>
>>>
>>> http://mobile.geek.com/latest/258638-chip-computer-drops-price-to-8-dollars-raspberry-pi-zero-immediately-steals-its-thunder?origref=https:%2F%2Fwww.google.com%2F
>>>
>>> Well, time to sleep, and dream of getting a Zero.
>>>
>>> No animals were harmed in the making of this email. However, several
>>> thousand electrons were severely inconvenienced.
>>>
>>> -------- Original message --------
>>> From: Neil Jones < <javascript:_e(%7B%7D,'cvml','neil at aurinia.co.uk');>
>>> neil at aurinia.co.uk <javascript:_e(%7B%7D,'cvml','neil at aurinia.co.uk');>>
>>>
>>> Date:26/11/2015 20:53 (GMT+00:00)
>>> To: hackspace at swansea.hackspace.org.uk
>>> <javascript:_e(%7B%7D,'cvml','hackspace at swansea.hackspace.org.uk');>
>>> Cc:
>>> Subject: Re: [Swansea Hackspace] Raspberry Pi Zero
>>>
>>>
>>>
>>> On 26/11/15 20:21, Alan Cox wrote:
>>> > On Thu, 26 Nov 2015 19:41:05 +0000
>>> > David Davies-Day <
>>> <javascript:_e(%7B%7D,'cvml','djdavies83 at hotmail.com');>
>>> djdavies83 at hotmail.com
>>> <javascript:_e(%7B%7D,'cvml','djdavies83 at hotmail.com');>> wrote:
>>> >
>>> >> It's a wash out!
>>> >>
>>> >> WH Smith sold out almost as soon as they went in sale, despite what
>>> the website says about Asda, Sainsbury and Tesco, non of them have it on
>>> their systems, let alone their shelves.
>>> >>
>>> >> Two copies of issue 40 have appeared on ebay (both currently over £21
>>> ) in the last two hours, also a Pi Zero on its own currently at £7.50.
>>> >>
>>> >> Raspberry Pi's Twitter feed has commented how they can't believe
>>> their issue 40 is on ebay.
>>> >>
>>> >> This is complete Pi-demonium! as Emyr mentioned, most local
>>> newsagents should be able to get them, I've asked mine for a copy.
>>> > You'll just have to Pi-ne for one for a little while. I'm sure they'll
>>> be
>>> > flooding out soon, after all they are still made in Bridgend aren't
>>> they
>>> > - so it's not a crates from China job.
>>> >
>>> > Alan
>>> Oh dear your puns are worse than mine :-)
>>> I agree with Alan basically. They will be available soon. I would have
>>> liked to get a magazine and I am going to see if one can be obtained.
>>> There is one up to 30 quid on ebay now! I am not paying that! I do think
>>> the original link that Justin sent us, where they have sold out, is a
>>> good deal because you need adapters to get one working unless you have
>>> them lying around, which I don't
>>> The magazine at its shop price is a bargain, but my research says there
>>> will be more  Pi Zeros available at the end of December.
>>>
>>> People have suggested that "newsagents" can order the magazine? Well
>>> I'll need to look around. I know of lots of shops that sell a few papers
>>> and magazines but they tend to be general shops that sell a bit of
>>> everything these days. They didn't suggest when I asked in my WHSmith
>>> that they could order it. I would guess they would be better at it if I
>>> were to ask. What do others think?
>>>
>>> Good heavens! They are now giving away computers with magazines and the
>>> PI is now as cheap as an Arduino!
>>>
>>> Neil
>>>
>>>
>>>
>>>
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>>>
>>
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>
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