[IAEP] [support-gang] What Sensors and Where To Buy?

[forster at ozonline.com.au]

> > PIR Motion Sensor - Easy-to-use motion detector with an analog
> > interface. Power it with 5-12VDC, and you'll be alerted of any
> > movement.
> 
> Can be connected to the OLPC XO microphone input and the USB socket
> for power.

See

http://wiki.sugarlabs.org/go/Activities/TurtleArt/Using_Turtle_Art_Sensors#Pyroelectric_alarm_with_photo

Tony