Poor Man's Digital Read Out

[email protected]

Hi List!

Here is a link to Poor Man's Digital Read Out - 2 axis PMDRO



I downloaded it and tried if it works. For me it didn't:-(
Has ahyone else tried it? With what succes?

I unzipped it, runned the encode5.exe under dos window, keyed in the 
resolution, than nothing happened, just black screen with static numbers.
Then I restarted the machine in pure dos mode - also nothing. 
OS is Win98, logitech wheel mouse.
Suggestions?

Bye,

Matjaz

-------------------

j.guenther

#51120

I have built this interface and tested it with both 500 line and 1000 line
encoders.  It works great and really does not cost much to build, IIRC less
than $10 including a box to put it in, screw connectors for the encoder
cables and a db-25 connector to connect it to the PC.  The software is
easily configured and seems to be accurate.

John Guenther
'Ye Olde Pen Maker'
Sterling, Virginia

Show quoted text

-----Original Message-----
From: John A. McFadden [mailto:mcfadden@...]
Sent: Wednesday, October 23, 2002 15:58 PM
To: CAD_CAM_EDM_DRO@...
Subject: Re: [CAD_CAM_EDM_DRO] Poor Man's Digital Read Out

A mouse is not really a good way to do DRO, as the computer can
miss a count
and not bat an eye.  Here's a better solution (but more expensive):

John

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John A. McFadden

#51118

A mouse is not really a good way to do DRO, as the computer can miss a count
and not bat an eye.  Here's a better solution (but more expensive):


John

Country Bubba

#51135

Hi,
On Steve's page, you will find a link (outdated) to my version of his 
program and interface. I have made some changes to the interface and minor 
modifications to the program. The program was then re-written by Robert 
Duncan to include an (semi)automatic calibration routine and a new 
interface. With version 5.1, there is also a great LARGE GRAPHIC readout on 
the computer screen and the interface to drive it is only 4 ICs and some 
resistors. You can see how I implemented this (with updates to allow a 2:1 
mechanical advantage) starting at:



There are additional pages showing how it was also implemented on a 12 
Atlas lathe.

As always, I will attempt to answer any questions.At 12:57 PM 10/23/02 
-0700, you wrote:
A mouse is not really a good way to do DRO, as the computer can miss a count
and not bat an eye.  Here's a better solution (but more expensive):


John
Bubba

OLDER THAN DIRT
Country Bubba
(Actually the inventor of Country and Bubba)

axtein@...
LaGrange, GA

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Poor Man's Digital Read Out