Monthly Archives: May 2015

Heart and Soul and Voyage of Discovery – come have fun –

HeatHack has two events coming up that we really should have advertised more widely before now.  We’re happy for any “friends of HeatHack” to come help.

  • Sunday 17 May, 3-4 pm, Heart and Soul, Princes Street Gardens
  • Tuesday 26 May, 3:15-4 pm, Voyage of Discovery,  Out of the Blue (Drill Hall), 36 Dalmeny St,  EH6 8RG

Continue reading Heart and Soul and Voyage of Discovery – come have fun –

tomorrow’s session

So many posts I intended to write, and so little time…

Tuesday 12 Mar, 19:30, at City of Edinburgh Methodist, with access via a basement door if you see it open –

At the last session, we worked out how we want to assemble a black globe thermometer that will look like a person, and thought about sticking arms on it to get ambient temperature and air speed to help interpret the reading in terms of thermal comfort.

Dimitri’s not ready with an anemometry circuit yet, although he does have some ideas about how to modify the lamp base to make it easy to add, with an aluminium cross arm to serve as the conduit for both additions.

So tomorrow, the idea is to finishing the black globe itself, and then perhaps to think again about a push-button map for stalls showing what kinds of things we’ve been doing where, or, if we prefer, the packaging for running a battery-operated pi-camera “in the field”.  We’ll also make sure we have the logistics for Sunday’s Heart and Soul event in Princes Street Gardens worked out – but since our part of it is only an hour, from 3-4 pm, we can run the lamp and candles off mobile phone rechargers.  If you’re coming to help or gawk, look out for the City of Edinburgh Methodist stall!

I’ll also bring around a problem that’s more technical than design oriented – how to use an old Nokia serial cable and an old RJ45 cable to make something that will read XML off a commercial clamp-on smart meter, for testing John’s current sensing circuit.  The circuit itself has some limitations (in terms of access to a power source and needing to wrapped around a single wire) but I don’t think there’s much to discuss about them – they are what they are.

on stoves, radiant heating, and good design

A hooded chair protects against radiant temperature assymetry. “Ahrend Kaigan Chair”, Marijn van der Pol – click picture for the source magazine article.

Nick from the Edinburgh Hacklab has sent us a very thoughtful set of ideas and references to a magazine that looks well worth reading. With his kind permission, I’m just going to quote him in full.  I really like the hooded chair on the first link, and I really do think a good strategy for churches would involve a heat pump to maintain a low background heat, plus radiant heating where people are – if only the start-up costs for that weren’t so high!  These sources are really too good for me not to share.

The rest of this post is all down to Nick.

Continue reading on stoves, radiant heating, and good design