How do I determine what voltage and current I should use? Is it just depend what battery I buy? Is the audio amplifier what I would use to give it a variable strength?Depending on voltage and current, maybe you can use a class d audio amplifier and a dac.
There are basically two methods to achieve a defined movement with an electromagnet drive:The question I have is, using this meathod, how acurate do you think you could position that stick? Do you think accuracy would be something that would be too difficult? I have had more electromagnets going with variable, controllable strengths would I be able to get more accurate....or less?
Then I could put power to specific ones to push against the disk, moving the stick into position. Do you think a setup like that would work? Do those types of solenoids have variable strength? Like, is it possible to hook one up to a light dimmer and tune the position or are they basically binary on / off? Also, one power is running to one of these can you push against it and manually push it in? What do you think?
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