I wanted to power drive the lead screw on my Myford lathe without going to the trouble or expense of fitting a stepper motor with the associated electronics. I have used 12 volt car windscreen wiper motors and radiator fan motors on other projects so I knew a wiper motor would be powerful enough and do the job nicely. It just needed to be controlled in some way, forward and reverse plus variable speed if possible. The mechanics I could do myself but the electronic side of things were a bit of a mystery. My mate Julian looked into it and said he could build a controller that would give me the required functions. Between us we worked it out and built a very useful accessory. The following article is how I achieved it with the help of Julian. As with most of my projects there are no plans as such, as it was a trial and error type of project made up as I went along. It will be mostly photos, but I will include a few sketches.
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