Homemade Speaker/Strobe Test 2





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Published on Nov 5, 2007

Redone with a better camera.

Original video was removed.

Yes this is the son of the very first system I ever made...

I went to Home Depot and bought a plastic single-gang box adapter:


After that I painted it red using red spray paint. (Don't forget the respirator!)

Then i got an unbreakable nylon blank plate and cut it down to fit the opening on the box adapter using a bandsaw. Then I spray painted it red too.

After that I went to Advance Auto Parts and bought a car headlight strobe kit. I tested the strobes and one didnt work. So i cut that one off and sealed the wires. The headlight kit was by APC.

When all the paint was dry, I drilled a hole into the middle of the blank plate and attached the strobe to it. Then i took the coverplate screws and screwed the blank plate to the red adapter plate.

I turned the box so the blank plate (now red and has a strobe) was horizontal and used a silver Sharpie marker to write FIRE on the adapter plate above and below where the blank plate attached.

Then I took an old speaker and hot glued it to the back of the adapter plate and wired a speaker wire to it. On the other end of the speaker wire, I connected a headphone plug that I bought at Radio Shack. I connected the speaker to an amplifier that I then connected to my computer. (Windows Vista!). I wired the strobe to my Radio Shack 12 volt power supply and tested it. The strobe flashed perfectly.

The strobe that I got came with a bunch of different colored "gels". I am using the white one.

Then I downloaded the Simplex whoop sound and the Simplex "alarm clock" sound heard in the beginning (from Simplex Austrailia) I then went to Silent Knight Fire Alarms and downloaded a voice from the voice evacuation page.

I put all the sounds together in a program called GoldWave in this sequence:

Alarm Clock Noise--Whoop--Whoop--Whoop--Message--Mes sage--Whoop--Whoop-- Whoop--Whoop--Whoop--Whoop--Whoop--Whoop

I then saved the file and played the sound through the alarm speaker. It came out loud but scratchy, so I adjusted the volume settings on the computer and amplifier until it came out loud (LOUD) and clear.

Then I made the video.

That's how I did it!


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