March 17, 2014 AT 3:30 am
Third Graders Build Leprechaun Trap Using Arduino #stpatricksday
3rd Graders build a Leprechaun trap for St Pattys Day! via linuxlizard
Helped with 3rd grade project to make a Leprechaun trap. We used an Arduino with PIR sensor, a motor shield, and a salvaged scanner motor. PIR sensor inside triggers the motor to pull the ladder up, trapping the leprechaun inside.
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PIR sensors are used to detect motion from pets/humanoids from about 20 feet away (possibly works on zombies, not guaranteed). This one has an adjustable delay before firing (approx 2-4 seconds), adjustable sensitivity and we include a 1 foot (30 cm) cable with a socket so you can easily reposition the sensor or mount it using the two drills on either side
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