A LED flashing briefly once every 5 seconds to imitate the indicator of a real alarm is the function of this dummy alarm project with the use of a 7555 timer IC. To prolong battery life, the circuit ...
This circuit simulates an alarm to discourage thieves and it is originally designed to be used on bicycles but can be used for cars too. It blinks a LED on and off thus simulating a real alarm circuit ...
Android: Some of us need a kick in the pants to get out of bed. If you're looking to wake up to something pleasant, Puzzle Alarm Clock is all wrong for you. If you'd like to be awoken with puzzles, ...
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