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Hullo everyone.

I picked up a VFD recently. Brand name TECHTOP.

447336

Apparently they are an Australian company.

On closer examination I think it is a Cumar unit that has undergone a...

And of course in google after an hour of hunting I now find the dimensions!

http://i1056.photobucket.com/albums/t379/alionlyforever/66adb50e.jpg

Hi Guys,

I am sure this has been covered somewhere already but I am having trouble finding it.

I have a Chinese mill. CNC-3040.

It has the 57mm spindle mount. 57mm air cooled motor.

I...

Hey guys just thought I would follow this up. IT WORKS!!!!! I have no idea how or why my rube Goldberg madness of many wires works without the magic smoke escaping but it does!!

I hooked it all up...

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There is no interlock to prevent the high and low side transistors from being switched on at the same time. The parallel port does unpredictable things during switch-on and operating system...

For the pull down resistors should these between each base and each collector on the transistors in the bridge?

Also what size would they be. I am thinking about 10k?

My local electronics shop...

Hi guys. This is my first posting to this forum and I apologize if this is not a suitable place to ask my question.

I am building a simple 2-axis plotter based around the components extracted...