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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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radio interference
On Saturday, April 16, 2011 6:26:42 AM UTC-7, Karl Townsend wrote:
I built a serial port temp. sensor... The unit uses DS1820 temp sensors and connects to the pc serial port. There is a fifty foot run from the computer to the sensor. My better half made me quit using it because of AM radio interference. There is a constant beep beep beep. Fortunately, the serial port has slew-rate limited signals and shouldn't be an issue. The DS1820 (new ones are DS18S20) one-wire interface, though, isn't so limited. If you use twisted pair wiring, and maybe a few ferrite beads or 'clamp filter' units, it'll get better. To avoid ground loops, ensure none of the distant end (sensor) wires touch any nearby grounded metal. |
#2
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radio interference
OTOH... what the HELL are you doing letting your SWMBO listen to AM?
Get her a good "new age" channel on FM, and she'll get off your ass.G LLoyd |
#3
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radio interference
Lloyd E. Sponenburgh wrote:
OTOH... what the HELL are you doing letting your SWMBO listen to AM? Get her a good "new age" channel on FM, and she'll get off your ass.G LLoyd Pandora . Internet radio , you can set it up to play whatever YOU like . I have a Willie Nelson channel , a Led Zep channel , a Moody Blues channel ... and it learns by what you reject . -- Snag Learning keeps you young ! |
#4
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radio interference
Snag wrote: Lloyd E. Sponenburgh wrote: OTOH... what the HELL are you doing letting your SWMBO listen to AM? Get her a good "new age" channel on FM, and she'll get off your ass.G LLoyd Pandora . Internet radio , you can set it up to play whatever YOU like . I have a Willie Nelson channel , a Led Zep channel , a Moody Blues channel ... and it learns by what you reject . I bought a Sanyo Internet radio last year. It is plugged into my network router, and is on whenever I'm home. -- You can't fix stupid. You can't even put a Band-Aid™ on it, because it's Teflon coated. |
#5
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radio interference
"Michael A. Terrell" wrote in message m... Snag wrote: Lloyd E. Sponenburgh wrote: OTOH... what the HELL are you doing letting your SWMBO listen to AM? Get her a good "new age" channel on FM, and she'll get off your ass.G LLoyd Pandora . Internet radio , you can set it up to play whatever YOU like . I have a Willie Nelson channel , a Led Zep channel , a Moody Blues channel ... and it learns by what you reject . I bought a Sanyo Internet radio last year. It is plugged into my network router, and is on whenever I'm home. Hi Michael, I'm a big talk radio listener, is there talk radio stations available? I also like science and tech programs. Mikek |
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