[Swansea Hackspace] Raspberry Pi Zero

Sat Nov 28 18:27:32 GMT 2015

any good?

http://uk.farnell.com/piface/piface-control-display/i-o-board-with-lcd-display-for/dp/2344458

On 28 November 2015 at 16:10, Neil Jones <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> 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 <neil at aurinia.co.uk>
>> Date:26/11/2015 20:53 (GMT+00:00)
>> To: 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 <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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