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General Mach Discussion / Re: Tool plate/setter wiring.
« on: May 23, 2011, 04:29:20 AM »
The resistor is used to pull-up the voltage on the the plate to +5 so the resistor goes between the plate (pin10 ?) and +5 volts. You could get the +5 from a spare USB socket if you have a USB lead you can cannibalise.
When the tool touches the plate it should then make the plate (pin 10?) zero volts.
Tweakie.
When the tool touches the plate it should then make the plate (pin 10?) zero volts.
Tweakie.