[chbot] links referenced at last nights meeting

Volker Kuhlmann list0570 at paradise.net.nz
Tue Jul 19 05:14:29 BST 2016

On Tue 19 Jul 2016 13:01:51 NZST +1200, Mark Beckett wrote:

> http://tech.scargill.net/itead-slampher-and-sonoff/

That looks very promising. And like a lot of work... Does the whole
toolchain run on Linux? I don't think I'd get into anything else myself.

With wifi embedded in cheap devices I'd have a big security question
too. The LIFX smartbulb was found to be leaking the wifi password...

But it's definitely interesting and very definitely cheap.

> http://www.dx.com/p/ir-infrared-motion-detection-sensor-module-dc-5v-20v-139624#.V411v6Ka5Bl

Thanks, as long as it works... I have it in the back of my head that
digital PIR sensors were expensive. I have some used leftovers worth
almost $50 ea at E14...

> Adding a small battery could be rather useful.
> Looking forward to seeing your version at a meeting.

I was thinking big... Put a car battery (or larger SLA/lithium) in a
central place, put emergency lighting through the house. Control by PIR
and mains power failure. Brightness control (PWM?) could be useful to
ramp it up while mains supplied, and to adjust brightness later without
soldering iron.

> http://www.dx.com/p/lcd1602-adapter-board-w-iic-i2c-interface-black-works-with-official-arduino-boards-216865#.V411c6Ka5Bl

Interesting + useful. Do they work? What API do they provide?


Volker Kuhlmann
http://volker.top.geek.nz/	Please do not CC list postings to me.

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