[OpenTRV-dev] IoT Communications Backhaul final thoughts?

Damon Hart-Davis dhd at exnet.com
Mon Jun 8 13:45:33 BST 2015


Mesh is probably NOT what we want to do since it is very hard to do while keeping power consumption down at the leaf nodes (they have to have radios on extra to listen for and relay messages).

Rgds

Damon


> On 8 Jun 2015, at 13:33, Bo Herrmannsen <bo.herrmannsen at gmail.com> wrote:
> 
> it was more the mesh network idea that i thought we could use....
> 
> they also have a node schematic somewhere that can run on basicly a avr and rfm alone... 
> 
> i have one of their nodes running on my pi just in case a balloon with their node passes over me
> 
> 2015-06-08 14:22 GMT+02:00 Damon Hart-Davis <dhd at exnet.com>:
> Right, but also effectively very limited shared bandwidth and possibly no go for commercial applications (eg esp encrypted data).
> 
> Would be interesting to adapt an OpenTRV unit to talk to that network but maybe not for this project.
> 
> Would I think be BAD to squirt stuff in a different format over the top and wipe out their usage.
> 
> Rgds
> 
> Damon
> 
> > On 8 Jun 2015, at 13:16, Bo Herrmannsen <bo.herrmannsen at gmail.com> wrote:
> >
> > the idea behind it is ok
> >
> > but it lacks security
> >
> > but open dource so can just tweak it
> >
> > Den mandag den 8. juni 2015 skrev Damon Hart-Davis <dhd at exnet.com>:
> > Hi,
> >
> > I hadn’t, but I am now, thank you!
> >
> > Rgds
> >
> > Damon
> >
> >
> > > On 8 Jun 2015, at 09:55, Bo Herrmannsen <bo.herrmannsen at gmail.com> wrote:
> > >
> > > have you looked at ukhasnet?
> > >
> > > Den mandag den 8. juni 2015 skrev Damon Hart-Davis <dhd at exnet.com>:
> > > I’m hoping to soft-close D17 today http://www.earth.org.uk/note-on-IoT-comms-backhaul.html Last minute thoughts welcome!
> > >
> > > Rgds
> > >
> > > Damon
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