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Playing Imperial March on a fast switching valve
Fridge Door Detector Alarm
Arduino based Door Minder for draughty houses.
Arduino Ticking Time Bomb
Build an Atari Punk Circuit on a breadboard
Modify A Talking Skull To Say Anything You Want
Build a Tone Generator--Improve Your Snap Circuits by Adding a 555 Timer IC
SIMPLE ARDUINO ULTRASONIC SENSOR DOOR ALARM.
Morse tone generator (low power CW beeper)
Mystery Beeping Prank
Posted:Sep 9, 2010
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