Activities/Turtle Art/Using Turtle Art Sensors: Difference between revisions

Revision as of 23:02, 26 February 2011 view source Tonyforster (talk \| contribs) 2,486 edits →Pyroelectric alarm with photo ← Older edit		Revision as of 23:02, 26 February 2011 view source Tonyforster (talk \| contribs) 2,486 edits →Pyroelectric alarm with photo Newer edit →
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	IT IS RECOMMENDED THAT A SERIES PROTECTION RESISTOR BE BUILT INTO THE MICROPHONE PLUG AND LEADS WHEN USING AN EXTERNAL VOLTAGE SOURCE		IT IS RECOMMENDED THAT A SERIES PROTECTION RESISTOR BE BUILT INTO THE MICROPHONE PLUG AND LEADS WHEN USING AN EXTERNAL VOLTAGE SOURCE

	The pyroelectric sensor or Passive Infrared (PIR) 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 moving hot body that triggered the alarm.		The pyroelectric sensor or Passive Infrared (PIR) Sensor is activated when you change the infrared 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 moving hot body that triggered the alarm.