Fire Alarm Bell Alarm Clock Will Wake You Up

by Scott Beale on January 14, 2008 · 6 comments

Have trouble waking up in the morning? Alan Parekh of Hacked Gadgets has a solution, make your own Fire Alarm Bell Alarm Clock.

Ever sleep-in because your alarm clock wasn’t loud enough? With this design that is guaranteed not to happen! This hack takes a standard cheap alarm clock, some interface components and a fire alarm bell to get the job done right. Normally these small alarm clocks use a piezo buzzer to attempt to wake you up. The alarm signal is hijacked from the clock circuit board and used as an input to the interface board.

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filed under Hacks

Written by Scott Beale

Scott has written 4990 posts on Laughing Squid.

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{ 3 comments… read them below or add one }

1 jovino January 14, 2008 at 7:58 pm

We have a fire alarm bell for a door bell. It’s pretty rad; especially in a large space. BBRRAANNGG!!

Reply

2 John Piercy January 15, 2008 at 1:52 am

Hey I know for a fact , that these Fire Alarm Bells will get you up .
Ive been a firefighter for nearly 28 yrs in canada .
I’d like to have an alarm that gently shakes me ,,,,

John Piercy

Reply

3 tdog January 15, 2008 at 6:10 am

crazy

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