powering a warning light
16 December 2004, 01:25 PM
#2
Easy, you need a "normally closed" relay, available from electronics suppliers like Maplins.
I used to do this with a Flashing 12V LED so that it looks like an alarm, is that what you want?
If yo're interested, I may have some bits left, including the LED and instructions? PM me if you want me to look them out.
Alcazar
Edited to say: your local carshop MAY stock these as a kit, mine used to b4 it shut down.
I used to do this with a Flashing 12V LED so that it looks like an alarm, is that what you want?
If yo're interested, I may have some bits left, including the LED and instructions? PM me if you want me to look them out.
Alcazar
Edited to say: your local carshop MAY stock these as a kit, mine used to b4 it shut down.
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