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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mike
 
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Default DIY Computer Interface to HF cheapo Caliper?

The Harbor Freight digital calipers got down to $12, so I sprung for
one. Only took three tries to get one that worked.
This is the best example of "no-name" I've ever seen. Only clue
to what it is is "made in china".

I'd like to experiment with transferring data to the computer.
Has the 4-pin interface.
Googling spc has let me down.
Anybody have specs on the hardware interface and data format.
Please save me the hassle of getting logic analyzer out of the attic.

Thanks, mike

--
Return address is VALID.
500MHz Tek DSOscilloscope TDS540 $2200
http://nm7u.tripod.com/homepage/te.html
Wanted, 12.1" LCD for Gateway Solo 5300. Samsung LT121SU-121
Bunch of stuff For Sale and Wanted at the link below.
http://www.geocities.com/SiliconValley/Monitor/4710/

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Rick
 
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"mike" wrote in message
...
The Harbor Freight digital calipers got down to $12, so I sprung for
one. Only took three tries to get one that worked.
This is the best example of "no-name" I've ever seen. Only clue
to what it is is "made in china".

I'd like to experiment with transferring data to the computer.
Has the 4-pin interface.
Googling spc has let me down.
Anybody have specs on the hardware interface and data format.
Please save me the hassle of getting logic analyzer out of the attic.

Thanks, mike


Try www.tinaja.com and search for SPC


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Spehro Pefhany
 
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Default

On Mon, 29 Nov 2004 23:42:52 GMT, the renowned "Rick"
wrote:


"mike" wrote in message
...
The Harbor Freight digital calipers got down to $12, so I sprung for
one. Only took three tries to get one that worked.
This is the best example of "no-name" I've ever seen. Only clue
to what it is is "made in china".

I'd like to experiment with transferring data to the computer.
Has the 4-pin interface.
Googling spc has let me down.
Anybody have specs on the hardware interface and data format.
Please save me the hassle of getting logic analyzer out of the attic.

Thanks, mike


Try www.tinaja.com and search for SPC


The China caliper output is not the same as Mitutoyo.


Best regards,
Spehro Pefhany
--
"it's the network..." "The Journey is the reward"
Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog Info for designers: http://www.speff.com
  #4   Report Post  
Rick
 
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"Spehro Pefhany" wrote in message
...
On Mon, 29 Nov 2004 23:42:52 GMT, the renowned "Rick"
wrote:


"mike" wrote in message
...
The Harbor Freight digital calipers got down to $12, so I sprung for
one. Only took three tries to get one that worked.
This is the best example of "no-name" I've ever seen. Only clue
to what it is is "made in china".

I'd like to experiment with transferring data to the computer.
Has the 4-pin interface.
Googling spc has let me down.
Anybody have specs on the hardware interface and data format.
Please save me the hassle of getting logic analyzer out of the attic.

Thanks, mike


Try www.tinaja.com and search for SPC


The China caliper output is not the same as Mitutoyo.



Figures. Oh well-he still may be able to pick up a few things...


  #5   Report Post  
keith bowers
 
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Rick wrote:


"Spehro Pefhany" wrote in message
...
On Mon, 29 Nov 2004 23:42:52 GMT, the renowned "Rick"
wrote:


"mike" wrote in message
...
The Harbor Freight digital calipers got down to $12, so I sprung for
one. Only took three tries to get one that worked.
This is the best example of "no-name" I've ever seen. Only clue
to what it is is "made in china".

I'd like to experiment with transferring data to the computer.
Has the 4-pin interface.
Googling spc has let me down.
Anybody have specs on the hardware interface and data format.
Please save me the hassle of getting logic analyzer out of the attic.

Thanks, mike


Try www.tinaja.com and search for SPC


The China caliper output is not the same as Mitutoyo.



Figures. Oh well-he still may be able to pick up a few things...


Try this URL:
href="http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/CIRCUITS/DRO%20files/Caliper_info/Imported_Caliper_Info/"
--
Keith Bowers - Thomasville, NC


  #6   Report Post  
mike
 
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keith bowers wrote:
Rick wrote:


"Spehro Pefhany" wrote in message
. ..

On Mon, 29 Nov 2004 23:42:52 GMT, the renowned "Rick"
wrote:


"mike" wrote in message
...

The Harbor Freight digital calipers got down to $12, so I sprung for
one. Only took three tries to get one that worked.
This is the best example of "no-name" I've ever seen. Only clue
to what it is is "made in china".

I'd like to experiment with transferring data to the computer.
Has the 4-pin interface.
Googling spc has let me down.
Anybody have specs on the hardware interface and data format.
Please save me the hassle of getting logic analyzer out of the attic.

Thanks, mike


Try www.tinaja.com and search for SPC

The China caliper output is not the same as Mitutoyo.



Figures. Oh well-he still may be able to pick up a few things...



Try this URL:
href="http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/CIRCUITS/DRO%20files/Caliper_info/Imported_Caliper_Info/"


Thanks guys, for the links.
Found lots of (hopefully) useful data.
mike

--
Return address is VALID.
500MHz Tek DSOscilloscope TDS540 $2200
http://nm7u.tripod.com/homepage/te.html
Wanted, 12.1" LCD for Gateway Solo 5300. Samsung LT121SU-121
Bunch of stuff For Sale and Wanted at the link below.
http://www.geocities.com/SiliconValley/Monitor/4710/

  #7   Report Post  
Greg
 
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try www.shumatech.com

mike wrote:
The Harbor Freight digital calipers got down to $12, so I sprung for
one. Only took three tries to get one that worked.
This is the best example of "no-name" I've ever seen. Only clue
to what it is is "made in china".

I'd like to experiment with transferring data to the computer.
Has the 4-pin interface.
Googling spc has let me down.
Anybody have specs on the hardware interface and data format.
Please save me the hassle of getting logic analyzer out of the attic.

Thanks, mike

  #8   Report Post  
Fred Fowler III
 
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On Mon, 29 Nov 2004 15:32:15 -0800, mike
scribed:

Hi Mike:

I don't know how far along you got, but this guys site has it all,
even how to build a DRO unit with 3 axis inputs and a spindle RPM
unit, complete schematics, PCB layouts, micro assembler code, etc...

Good luck!

Fred III



The Harbor Freight digital calipers got down to $12, so I sprung for
one. Only took three tries to get one that worked.
This is the best example of "no-name" I've ever seen. Only clue
to what it is is "made in china".

I'd like to experiment with transferring data to the computer.
Has the 4-pin interface.
Googling spc has let me down.
Anybody have specs on the hardware interface and data format.
Please save me the hassle of getting logic analyzer out of the attic.

Thanks, mike


  #9   Report Post  
Jim Wilson
 
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Fred Fowler III offered...
...this guys site has it all,
even how to build a DRO unit with 3 axis inputs and a spindle RPM
unit, complete schematics, PCB layouts, micro assembler code, etc...


Which guy's?

Jim
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Junior Member
 
Location: Pinckney, Michigan
Posts: 17
Default

He's talking about the Shumatech site below.

http://www.shumatech.com/support/chinese_scales.htm


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