[OpenTRV-dev] London Cleanweb meetup on Monday

Sun Oct 20 21:00:48 BST 2013

Could do an PNG... but it will not be accurate if bruno brints it... belive 
that pdf is the best for print on paper and messure on

think we are on 1.6 mm... can messure in a bit

-----Oprindelig meddelelse----- 
From: Damon Hart-Davis
Sent: Sunday, October 20, 2013 9:53 PM
To: Closed list for developer discussions
Subject: Re: [OpenTRV-dev] London Cleanweb meetup on Monday

Hi Bo,

Can you create an accurate PNG showing ONLY the standard board size and 
mounting hole layout at (say) 20 pixels per mm, ie 1000 pixels on a side for 
the board itself) as a template, engineering mark-up for the sizes, possibly 
with a CAD file in some widely-readable format containing the same info, and 
a little English text explanation too.

And we should also specify our standard board thickness (are we on 1.8mm?) 
and should ask PMS to use the same if at all possible.

Once Bruno is happy with it we'll get it in a 'standards' section on the Web 
page and in the repository.  Maybe the first of many interop details!

We might as well nail this now if we can.

Rgds

Damon

On 20 Oct 2013, at 19:52, Bo Herrmannsen wrote:

> Hi
>
> yeah, we can print the board on PDF and when he prints it it will be 1:1
>
> about the hights... it can be tricky.... could we do it in the way he ask 
> for hight and we messure on rev0... should not be much difference... or we 
> can get it from datasheets
>
> i'm up for beeing at pc to do the footwork
>
> /bo
>
> -----Oprindelig meddelelse----- From: Damon Hart-Davis
> Sent: Sunday, October 20, 2013 8:48 PM
> To: Closed list for developer discussions
> Subject: Re: [OpenTRV-dev] London Cleanweb meetup on Monday
>
> Hi,
>
> Bo, why not send him such a set now (though he also needs component 
> heights and other clearances and connector openings, etc), and with luck 
> (ie unless we change the PCB layout) that's one piece of the puzzle done.
>
> We should record that standard board footprint prominently and clearly, eg 
> on the Web page, possibly expressed in text and machine-readable forms.
>
> Rgds
>
> Damon
>
>
> On 20 Oct 2013, at 19:35, Bo Herrmannsen wrote:
>
>> I can give you that from the eagle files....
>>
>> would that do fine?
>>
>> /bo
>>
>> From: Bruno Girin
>> Sent: Sunday, October 20, 2013 8:24 PM
>> To: Closed list for developer discussions
>> Subject: Re: [OpenTRV-dev] London Cleanweb meetup on Monday
>>
>> Damon,
>>
>> Now that I've got the code cleaned up and sorted, doing rev1 or the TRV 
>> box should not be too complicated using the principle we discussed at 
>> yours with 5 layers: base, under PCB connections, over PCB connections, 
>> top, lid. The only thing I need are accurate measurements for all the 
>> connectors. Then I produce a set of STL files that you and Bo can use.
>>
>> Bruno
>>
>>
>>
>> On 20 October 2013 18:58, Damon Hart-Davis <EMAIL ADDRESS HIDDEN> wrote:
>> For me Maplin / Velleman supply it matched for the printer and its 
>> default settings.
>>
>> Generally best to get PLA stock from the usual supplier for that printer 
>> with same temp (etc) settings I suspect.
>>
>> Rgds
>>
>> Damon
>>
>>
>>
>> On 20 Oct 2013, at 18:55, Bo Herrmannsen wrote:
>>
>> > not sure if hackspace has that kind...
>> >
>> > but i could as well just get an spool or 2 of it and bring it
>> >
>> > where do you get it?
>> >
>> >
>> >
>> > -----Oprindelig meddelelse----- From: Damon Hart-Davis
>> > Sent: Sunday, October 20, 2013 7:54 PM
>> > To: Closed list for developer discussions
>> > Subject: Re: [OpenTRV-dev] London Cleanweb meetup on Monday
>> >
>> > Well, the translucent stuff is pretty good without tricks like that.  I 
>> >  > quite like having the whole front of the box glow a little when the 
>> > LED > comes on...  B^>
>> >
>> > Rgds
>> >
>> > Damon
>> >
>> >
>> > On 20 Oct 2013, at 18:34, Bo Herrmannsen wrote:
>> >
>> >> hmm
>> >>
>> >> if doing in white PLA we can make an area of the lid thin enough to >> 
>> >> messure light but thick enough that it looks solid
>> >>
>> >>
>> >>
>> >> -----Oprindelig meddelelse----- From: Damon Hart-Davis
>> >> Sent: Sunday, October 20, 2013 7:28 PM
>> >> To: Closed list for developer discussions
>> >> Subject: Re: [OpenTRV-dev] London Cleanweb meetup on Monday
>> >>
>> >> Bo,
>> >>
>> >> If I can steal some more of Bruno's time to finish the OpenTRV REV1 
>> >> box >> in all its glory, then we can all print that box design.
>> >>
>> >> Current plan would be to have the lid in natural/transparent (just >> 
>> >> being playing with that type of PLA today) so that LDR and LED don't 
>> >>  >> need any penetrations, and rest of box the same or opaque white.
>> >>
>> >> Rgds
>> >>
>> >> Damon
>> >>
>> >>
>> >> On 20 Oct 2013, at 18:11, Bo Herrmannsen wrote:
>> >>
>> >>> my hacker space should have both their printers back this comming 
>> >>> week >>> so i could help out mass printing... one doing one half the 
>> >>> box and >>> the other the other half... several copies at same time 
>> >>> of course
>> >>>
>> >>> i just need an STL i can drop in makerware, that is what they use and 
>> >>>  >>> it makes it as easy as inserting an SD card once there and press 
>> >>> start
>> >>>
>> >>>
>> >>> /bo
>> >>>
>> >>> -----Oprindelig meddelelse----- From: Damon Hart-Davis
>> >>> Sent: Sunday, October 20, 2013 7:06 PM
>> >>> To: Closed list for developer discussions
>> >>> Subject: Re: [OpenTRV-dev] London Cleanweb meetup on Monday
>> >>>
>> >>> Hi,
>> >>>
>> >>> I'm going to run a batch of boards through Bo and another through a 
>> >>>  >>> professional board- making and stuffing company who will also 
>> >>> source >>> most of the components thus minimising my effort.
>> >>>
>> >>> Bo should hang on of what he builds to enough to fully wire his flat 
>> >>>  >>> for OpenTRV and return the rest for my testing and development.
>> >>>
>> >>> The other batch should go to our first trial participants.
>> >>>
>> >>> We'll need the boxes sorted too, though may farm out the printing of 
>> >>>  >>> all but the first few to a professional company, again to 
>> >>> minimise >>> time on manual and admin tasks for me.
>> >>>
>> >>> Rgds
>> >>>
>> >>> Damon
>> >>>
>> >>>
>> >>> On 20 Oct 2013, at 16:52, Bo Herrmannsen wrote:
>> >>>
>> >>>> I would if i was able....
>> >>>>
>> >>>> hmm.... could we add some facetime/google hangout on top of the >>>> 
>> >>>> actual meeting?
>> >>>>
>> >>>> as for those that dont know i'm almost ready for batch mass 
>> >>>> assembly: >>>> oven adjusted and runs ok, manual pick&place also 
>> >>>> working.... only >>>> bit missing is the solder paste dispenser that 
>> >>>> is currently in the >>>> hands of danish customs "service"... should 
>> >>>> be released monday or day >>>> after
>> >>>>
>> >>>> /bo
>> >>>>
>> >>>> -----Oprindelig meddelelse----- From: Damon Hart-Davis
>> >>>> Sent: Sunday, October 20, 2013 5:14 PM
>> >>>> To: Closed list for developer discussions
>> >>>> Subject: [OpenTRV-dev] London Cleanweb meetup on Monday
>> >>>>
>> >>>> http://www.meetup.com/Cleanweb-London
>> >>>>
>> >>>> Does anyone (in London) fancy meeting there to discuss various 
>> >>>> things >>>> such as the DD Hackathon and getting the first run of 30 
>> >>>> boards made >>>> (and boxes too)?
>> >>>>
>> >>>> I'm in two minds because I'd rather be assured of having the time 
>> >>>> get >>>> the PCB finished and off to PMS on Monday and I still have 
>> >>>> quite a >>>> lot of catching up to do since before the Hackathon!
>> >>>>
>> >>>> Rgds
>> >>>>
>> >>>> Damon
>> >>>> _______________________________________________
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>>
>> -- 
>> Bruno
>> Visit my weblog: http://brunogirin.blogspot.com
>>
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