Glen English VK1XX glenlist at pacificmedia.com.au
Mon Feb 19 10:59:10 AEDT 2018


at the moment I have the room that the Pi/droid consumes below as empty 
space. There is a TALL 40 pin header for the board mount.

but yeah, could be in a cable or a extender adaptor PCB... I have done a 
board with a 25mm cutout in it for fan mounting in the past. For Odroid 
C1+, C2 I never find heat an issue.

On 19/02/2018 10:50 AM, Matthew Cook wrote:
> Glen,
> Will this board stack upon the top of the HAT connectors on a Pi 2b/3?
> Recently I came across the Blade Uno BB01 that allows you to stack a 
> Pi and  a HAT that sit alongside each other.  This arrangement allows 
> you to mount it in a 1RU 19" rack with ease.  You can see an image on 
> my blog (http://zedm.net/archives/261). I've since removed the DE9 
> connector and replaced it with a low profile right angle connector.  
> So far no signs of overheating of the Pi, There is opportunity to 
> mount a small 40mm fan to the side and move air if required.
> The downside is the HAT needs to be full size or at least full length 
> to be able to take advantage of the standoff mounting arrangement.  It 
> does however make for a nice neat solution that does not require 
> internal wiring :-)
> 73
> Matthew
> On 19 February 2018 at 07:59, Glen English VK1XX 
> <glenlist at pacificmedia.com.au <mailto:glenlist at pacificmedia.com.au>> 
> wrote:
>     Right now I have a bunch of footprints for standard 0.15" (cheap)
>     (3.81mm) 90 deg green plug in connectors.
>     If you dont place the connectors, then soldering to the pads and
>     holes is easy.
>     However, there is alot of IO. The alternative would be plain old
>     2.54mm (0.1") header single rows, you can easily solder to those
>     or use headerpins and solder to those. but... I like to stay with
>     connecvtors easy to connect to and plug in .
>     Ideally, I try and keep all the connectors on one side of the box,
>     or two , to make putting it in a a box easier
>     Usually  I target Hammond extrusion boxes, connectors on ends only.
>     all these connectors though, we're running out of room for small
>     boxes.
>     Some things are opt, some required.
>     The USB, ethernet from the host micro (odroid/RPi) hang out one
>     end with a few connectors,
>     SOME connectors dont need to be on the edge the option stuff
>     people asked for.
>     So I was thinking of having a matrix- most people might only use 4
>     to 6 IOs plus power.
>     The idea is would be you'd wire jumper the IOs you wanted to a
>     plug in green thing common IO connector, this way we dont have to
>     consume every bit of the edge for connector real estate for 90%
>     you dont use.
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