DIY Servo Controller - Four Channel
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1:49 its like a jackpot machine
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...can someone just do a basic video of how a servo setup works, (what you need etc)????? this is cool, but doesnt really tell me much.
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@ivanblogs Thanks for the reply. I like the noise they make...And the self adjusting part is cool. I will just stick to my PICAXE for now cheers from Perth WA.
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@ivanblogs i didn't notice this comment before. i understand now.
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Can I make the servo spin the other way when I reverse the polarity? Or will my servo fry if I do that?
roory20 9 months ago
@roory20 I'm using standard brushed DC motors (with position encoders fitted, and connected to a customer built controller) as servos. Reversing the polarity (and A/B in the the encoder wiring) will reverse the direction.
ivanblogs 9 months ago 2
@roory20 I'm using standard brushed DC motors (with position encoders fitted, and connected to a customer built controller) as servos. Reversing the polarity (and A/B in the the encoder wiring) will reverse the direction.
ivanblogs 9 months ago
what is that noise? when they stop? and how does it adjust itself slightly when they stop?
stdavross666 1 year ago
@stdavross666 The noise is the switching frequency of the servo drive. The motors are turned on & off 10,000 times a second. The length of "on" compared to "off" results in different levels of "power" being applied. Those small vibrations at 10Khz are audible.
ivanblogs 1 year ago
@stdavross666 The motors won't just sit in any position, as there is a natural inclination for the motor to "stick" in different parts of its rotation (cogging).
Small amounts of power are continually applied to counter this. The small movements are the controllers final adjustments to get it exactly where desired. The speed it can make these adjustments are increased by correct tuning.
ivanblogs 1 year ago