[OpenTRV-dev] Current rough to-do list top

[Bruno Girin]

Bo,

Either the PDF or the PNG as suggested by Damon. SVN or email is fine.

Bruno


On 20 October 2013 20:59, Bo Herrmannsen <EMAIL ADDRESS HIDDEN> wrote:

>   PDF will be updated in a bit... wanted the same style screw terminals
>
> but should i in any case mail pdf direct instead of on SVN ?
>
>
>
>  *From:* Bruno Girin <EMAIL ADDRESS HIDDEN>
> *Sent:* Sunday, October 20, 2013 9:56 PM
> *To:* Damon Hart-Davis <EMAIL ADDRESS HIDDEN>
> *Cc:* Closed list for developer discussions<EMAIL ADDRESS HIDDEN>; Bo
> Herrmannsen <EMAIL ADDRESS HIDDEN>
> *Subject:* Re: Current rough to-do list top
>
>    Damon,
>
> That's fine. I have a DD1 PCB. I'll check Bo's PDF to see if I have enough
> info in there. What I suggest we do then is that I create the box as per
> the dimensions in the PDF and as soon as we have a real PCB, we do a test
> print. As you saw last time, it is really easy to iterate if we need to
> change something.
>
> The one thing I may not be able to work out from the PDF is the variation
> between versions (e.g. USB vs batteries) but I can still start and we can
> validate the design once we have the first PCB.
>
> In this case, when would be a good deadline for you to have a first
> version? Bearing in mind that I have lots of evening events this week, I
> may struggle to have anything ready before the weekend: would that work?
>
> Bruno
>
>
>
> On 20 October 2013 20:47, Damon Hart-Davis <EMAIL ADDRESS HIDDEN> wrote:
>
>> Hi Bruno,
>>
>> (Mark: could you help manage the detailed logistics of this box + PCB
>> mechanicals/fab part?)
>>
>> We can't put one of the real new REV1 PCBs in your hands for at least 3
>> weeks.  And there will be the Bo and PMS variants which will probably be
>> slightly different in various parameters unless we are super-careful.
>>
>> We do need to try to have the box as near ready as possible by the time
>> we do have the PCBs so that we can assemble complete units without delay.
>>
>> However, if Bo can confirm that the REV1 size, shape and mounting-hole
>> locations are exactly as per DD1, then I think you may already have one of
>> those (or I can give you one).
>>
>> We can probably assume for now that component height on the SMD side is
>> no worse than the DD1 populated board too, and there is only the FDTI
>> connector, AVR (possibly socketed), LED and LDR (IIRC) above the board.
>>
>> The micro USB is below the board if used, I believe.
>>
>> We'll need to deal with buttons.  We don't have to use the Maplin ones
>> and could try to find shallower devices to minimise case volume. (At a
>> pinch for future revisions we could consider side acting ones mounted on
>> the PCB for example.)
>>
>> Maybe if we get you an accurate series of high-red PNGs you could work
>> from them for micro USB cutout placement, etc?
>>
>> I'm happy to try to do a box design session on whatever terms suit you.
>>
>> Rgds
>>
>> Damon
>>
>> On 20 Oct 2013, at 20:18, Bruno Girin wrote:
>>
>> >
>> >
>> >
>> > On 20 October 2013 19:35, Damon Hart-Davis <EMAIL ADDRESS HIDDEN> wrote:
>> >   * BOM and how to deal with LDR, LED, AVR, RFM23, reg (link?)?
>> >
>> >   * Batteries vs USB supply count?
>> >
>> >   * ENIG finish
>> >
>> >   * Preallocation of initial runs to users and DHD R&D bench
>> >
>> >   * Run numbers (20 iTEAD/Bo, 30 PMS)?
>> >
>> >   * Box OpenSCAD/STL including fudge factors for 'overprint'.
>> >
>> > Fudge factor won't be too difficult. I'll do that sometime during the
>> week. For the box, the best way would be to have a box design session with
>> a real PCB and a pair of callipers.
>> >
>> >
>> >
>> >   * AVR/RFM RX code
>> >
>> >   * Power-on-self-test code suitable for Bo and PMS to use also.
>> >
>> >
>> >
>> >
>> > --
>> > Bruno
>> > Visit my weblog: http://brunogirin.blogspot.com
>>
>>
>
>
> --
> Bruno
> Visit my weblog: http://brunogirin.blogspot.com
>



-- 
Bruno
Visit my weblog: http://brunogirin.blogspot.com
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