Saturday, November 22, 2008

AllSeeing: basic electronics, a refresher...

There are two types of motors that can be used for precision work, stepper motors and servo motors. They both have their benefits. Steppers are easy to interface with but do not tell you when they skip a step. Servos are basically DC motors with a feedback mechanism and a gear box. It is the feedback mechanism that is their strong suite, though they are more complicated to interface with. I will be using servos like this one.

In order to power these servos I will need some form of amplifier. Parallel ports only provide enough current for logic. To keep it simple and basic I will be using good old transistors like this one.

And, of course, I will need a way to put it all together.

Here is a picture of my workshop and my current research. :)

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