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Activities/Turtle Art/Using Turtle Art Sensors (view source)
Revision as of 18:02, 26 February 2011
, 18:02, 26 February 2011→Pyroelectric alarm with photo
==Pyroelectric alarm with photo ==
==Pyroelectric alarm with photo ==
The pyroelectric sensor is activated when you change the IR radiation that reaches it. It is powered by 12 V and connected to the mic input of a XO1. When the sensor is activated, the program emits a 1000 Hz tone and displays a photograph of the hot body in motion that triggered the alarm.
[[File:PIRsensor.jpg]]
[[File:PIRsensor.jpg]]