Maplin Electronics (www.maplin.co.uk) sell a complete build it yourself
project kit for this for 9.99 (code VF24B).
Many years ago I knocked one up on a bit of veroboard using a 4011 NAND
chip, a transistor, a buzzer and a couple of resistors. Hook wires to the
door driver door switch, the headlight switch and the ignition switch..
Work it out so that if lights are on AND door is open AND ignition is off
the buzzer sounds. This would only cost a couple of quid.
Pat
> -----Original Message-----
> From: James Carruthers [SMTP:j.carruthers@rave.ac.uk]
> Sent: Tuesday, January 22, 2002 5:04 PM
> To: spitlist
> Subject: lights on alarm x-mac-creator="4D4F5353"
>
> Does anybody know how I can fit an alarm for when I leave my lights on?
>
> Homebrew is welcome, i made my first pcb's a couple of days ago.
> James
>
> 1977 Pimento Red Spit
>
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