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Sensors and LEDs

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charlottelilyward

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I need some advice in relation to a project I am currently doing.

In the circuit there would be two LEDS, one would be turned on and one off, when movement is sensed the light that was on would turn off and the alternate light would then illuminate. I am having trouble working out how to build this circuit as I am a novice to electronics !

The sensor would only need to sense movement in a distance of 40cm.

Any help or advice would be appreciated, and clear simple descriptions would help, as like I said Im a novice!

Thanks
Charlotte : )
 
What sensors do you have available?
Are you expected to use simple logic ICs, or a microcontroller?
What moving object must you sense?
 
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