Re: [CAD_CAM_EDM_DRO] Reflective pickup

A Small Magnetic Pickup and sensor can be pulled out of almost any older VCR
you might have lying around. Pull it off the bottom of the Video Head
assembly.
Typically all you have to do is cross-reference the Transistor or Mosfet
Online to get a Pinout, and then go from there...

Also, there is an optical one located on one of the Reel Drive Mechanism for
the video tape.

Heck, it might save you some cash. Good luck.

Vince

----- Original Message -----
From: <wanliker@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Cc: <SherlineCNC@yahoogroups.com>; <sherline@yahoogroups.com>
Sent: Thursday, November 27, 2003 10:39 PM
Subject: [CAD_CAM_EDM_DRO] Reflective pickup


> Can anyone on the list give me a suggested part numbet to add a pick up on
a
> Sherline lathe for TurboCNC threading.
> I don't want to use a tab on the Sherline pulley due to the danger it
would
> present.
> I am looking for something that can see either a reflective or a BLACK
spot
> with mimimial dimensions, working distance in the range of 1/4" to 1/2" +
> range.
> I want the type that will sense off the end or side of the device, but not
> the type that has a U shape with pickup between the U sides.
> Or if you have done this to a Sherline, Please describe what you did, and
> what part/parts you used. And would you do it the same way again?
> Any suggestions would be greatly appreciated.
> Thank You,
> bill
>
> Cross posted to other groups.
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