pir sensor

Hi all,

I just bought a PIR sensor from Maplin, would it be possible to have your view of it?

The sensor is a MQ1510 from IFSAC. Here want I have:

12+ - N/C TT LED-
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and the some pins I can switch to set the pulse and enable the led ( I think ).

I'm not sure if I have to use the N/C or TT. I believe that the sensor output 1 for movement and 0 for none.

I just don't want to damage my arduino board by doing something foolish. I think I can calibrate and test it without the arduino as a I presume the LED turn on for movement.

ant advices?

cheers