Re: optical switch

> Posted by: "stcnc2000" stcnc@... stcnc2000
> Date: Thu Oct 15, 2009 5:04 pm ((PDT))
>
> Hi, this a video of a homemade test setup for Mach3 Mill Z Axis home switch.
> Can be adapted to any axis on a Router or Mill.
> http://www.youtube.com/watch?v=mpsRuDH98mA
> more info at:
> www.cad2gcode.com/cncprojects
> cheers
> Bob A
>

Have a look at
http://store.makerbot.com/electronics/electronics-kits/optical-endstop-v2-1-kit.html

They have a complete kit of PC board and parts for an opto switch for
$3. I just bought 10 of them- for $2.70 each- to use as limit switches
on a couple projects.

ron ginger