Re: LED Door Lock Status Indicator Hack

["Simon Coates" <simon@xxxxxxxxxxxxxxxxx>]

Martin,

Great minds think alike!!!
I did this in my old house, but used a tricolour LED so only 1 LED was on
show.
It's something of doing in our 'new' (9 years!) house.  I've also added
electronic deadlocks to all downstairs doors.

Regards,

Simon

----- Original Message -----
From: Martin Howell
To: ukha_d@xxxxxxx
Sent: 03 November 2009 11:16
Subject: Re: [ukha_d] LED Door Lock Status Indicator Hack


I agree, the bicolours would be better, but I already had the standard
LEDs in abundance. The 150 ohm IS a bit low, but the LEDs give plenty of
light and have been running for around 4 years so far. If/when they
fail, I'll re-do the whole thing to make it more robust

For the remote readout thing, it looks like the best option is going to
be to hack a USB gamepad (cheap!) and write some VB to transfer the USB
signals onto a web page. Anyone done anything like this before?

Cheers
Martin

Frank Mc Alinden wrote:
> Nice Work....
>
> Personally i would have used a Bicoloured led since i have the
hardware
> using my PZM Boxes only remote mounting the leds...Homevision could
poll
> them via my hv i/o Expander and xPL via the serial interface...Martin
i
> think the 150 ohm resistor is a bit low if your using standard 20ma
leds
> connected to 12v dc....470 ohm would be better ..
> Frank
> ----- Original Message -----
> From: "Mark McCall" <lists@xxxxxxx>
> To: "Ukha_D@xxxxxxx" <ukha_d@xxxxxxx>
> Sent: Tuesday, November 03, 2009 7:57 PM
> Subject: [ukha_d] LED Door Lock Status Indicator Hack
>
>
>> Martin Howell has kindly written up and photographed his LED door
lock
>> status indicators for an Automated Home article...
>>
>> http://bit.ly/xUUZQ
>>
>> M.
>>
>>
>> ------------------------------------
>>
>> Yahoo! Groups Links
>>
>>
>>
>
>
>
> ------------------------------------
>
> Yahoo! Groups Links
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--
Martin Howell
ICT Project Consultant
07949 138454

Grizelli Associates Limited
working in partnership with Northgate Information Systems




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