Re: Including tonal output on a multimeter?

On Thu, 13 Sep 2007 19:20:56 -0700, "David L. Jones"
<altzone@xxxxxxxxx> wrote:

On Sep 14, 12:08 pm, D from BC <myrealaddr...@xxxxxxxxx> wrote:
On Fri, 14 Sep 2007 00:45:20 GMT, John Doe <j...@xxxxxxxxxxxxxxxxxx>
wrote:





A long time ago, I made a Tonal Voltmeter for low-voltage circuits.
Pretty simple, mostly just input from the circuit to a CD4046
connected to an earphone. The idea is to turn small voltage levels
into the corresponding tonal output. Like 0 V would be a very low tone
and 5 V would be a high tone. When I was doing electronics as a hobby,
I enjoyed adding stereo output to the tonal output, but that's another
subject.

I always thought that tonal output could be easily added to a
multimeter. Just occurred to me you guys would know. So that's my
question. It would require a mini 1/8" or whatever jack for the
output, or just use a speaker. I guess you would add a
voltage-to-frequency converter to the output that drives the LCD
display driver or the circuit before that?

I will be more than happy to explain further if I'm not being clear
about the question.

Thank you.

Some DMM models can be USB connected to PC's.
One idea would be to write a PC program to do V to F conversion using
the USB data.
The PC soundcard would make the sounds.

Go nuts and play wav's for different voltages..

5 volts: dogs barking
6 volts: cat meows
7 volts: cow moo
8 volts: birds chirping
9 volts: sirens
10 volts: telephone ring

100 volts: A voice saying "what's that smell"
1000 volts: Automatically triggers your house alarm and calls the fire
brigade

Dave.

I'd buy a talking DMM..
Often when I'm probing risky areas, I don't like to take my eyes off
the probe. One slip and the probe can short out circuits.

But it's gotta be a sexy female voice..
"Four..hundred..and twenty two point 5 volts."
"Four..hundred..and twenty two point 4 volts."
"Four..hundred..and twenty two point 2 volts."
"Four..hundred..and twenty two point 6 volts."
"Four..hundred..and twenty two point 2 volts."

Yah baby!

"Low battery. Please replace battery."

No...no...not now...just one more reading..

"Auto shut off."

Bitch!.....


D from BC
.

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