>
>On Sat, Feb 16, 2013 at 1:59 AM, Sebastien Lelong <[email protected]>
>wrote:
>
>Hi guys,
>>
>>
>>Thanks for your replies!
>>
>>
>>My current projet is to drive my towel heater on the bathroom. I've
>>deciphered IR codes to control it. The idea is to activate heater before I
>>wake up, so I can have hot towel when showering :) I have a script scanning a
>>dedicated google calendar, then retrieve commands and sends them to a Bee
>>card that reproduce IR code to activate my towel heater... How fun, you'll
>>agree... (mostly I couldn't take it anymore with cold towel with a heater
>>requiring more than one hour before getting hot, a huge problem as you all
>>could imagine, something not acceptable in 2013...)
>>
>>
>Can't you just use a timer to program it such that the towel heater is on
>before you wake up ?
>
>You're such a spoilsport ;-)
RF over four stories is a long way... It's going through wall the better, the
lower the frequency is. RC model cars and planes used to use something like
27MHz, maybe it's worth trying such a remote control. Or, if you dare to build
RF by yourself, try something below 10kHz. Those frequencies are usually not
restricted by any laws, and will easily even go through wet concrete. Be
careful to only send a clean sine wave, for any harmonics will likely result in
a visit by the police ;-)
Greets,
Kiste
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