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Old 18th November 2002, 02:28 AM   #1
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Default anybody doing non audio related diy projects

What is everybody building other than audio related projects? I though it would be interesting to hear about what else some of you do.

My current projects other than audio:

Bench power supply - 0 to 10A 0 to +-30V There is a thread about this.

Photographic light (flash) meter - I hate all the ones that the photo stores sell so I am designing my own. The pcb's should come next week. It plugs into anything with a serial port and is powered off the serial port. My intention was to plug it into a PDA. Rather than use a pda am diying a user interface with a graphic lcd.

High speed flash - < 1uS flash duration. 1500V .56uF. Peak current is 2000A. This might be the first time I can say a component was putting out 3MW. I would like to try photographing some bullets in flight. I am designing a 1500V switching ps to power it. My last attempt was too good it was over 3KV. The next version will be regulated.

Future project:
Digital storage scope using the BB ADS831 (80 MHz), a gate array and some SRAM. Maybe 4 channels. It should be good, but it would cost $$$ and would take time.

Darrell Harmon
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Old 18th November 2002, 07:18 AM   #2
UrSv is offline UrSv  Sweden
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As from the thread I started on the Bench power supply it is clear that I am doing the same.

A regulated Bench PSU. 2 x 50 V, 2 x 5 A minimum.

An unregulated variac supply with 0-240 VAC @ 10 A and 2 x 100 VDC unregulated.

Tone generator. Sine/Square/Triangle/Saw at 1 Hz - 100 kHz.

Web interface controlled MP3 server.

/UrSv
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Old 18th November 2002, 09:13 PM   #3
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Quote:
Originally posted by UrSv

Tone generator. Sine/Square/Triangle/Saw at 1 Hz -

/UrSv
I could use something like that. What is it based on?

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Old 19th November 2002, 05:14 PM   #4
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Default non audio diy projects

I am working on microcontroller controlled 3.5Kva generator.
Anyone know where I can get 18awg-10awg enamel wire?
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Old 19th November 2002, 05:27 PM   #5
JBL is offline JBL  Canada
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Working on a tesla coil but have a very hard time finding a suitable (and working) transformer. So it's pending until I can have one.

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Old 19th November 2002, 05:54 PM   #6
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Where do you get your enamel wire for the tesla coil?
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Old 19th November 2002, 06:04 PM   #7
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Enameled Wire

Try page 338 of the Mouser catalog #611. They call it Magnet wire. The heaviest they have is 16awg.

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Old 19th November 2002, 06:22 PM   #8
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thanks I found it they go all the way to 12awg. But they only list it in pounds, anyone know how much a foot of 16awg weighs?
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Old 19th November 2002, 06:25 PM   #9
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Quote:
Originally posted by Curtasian
thanks I found it they go all the way to 12awg. But they only list it in pounds, anyone know how much a foot of 16awg weighs?
The catalog says 150 feet per pound for 16awg.

You guys have some interesting projects going.

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Old 19th November 2002, 06:41 PM   #10
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Default Well you wanted to know....

Non, audio DIY hum...were to start. Does trying to figure out women count? If not, it's got to be my love hate relationship with my 74 Camaro. From engine fan to Diff. cover and everything in between :>) 3 motors, 3 clutches, 2 Tranny's, 1 shifter and 1 rear end :>(

Going somewhat fast has it's limits...and it's money!

Rino Odorico
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