 | | stepper motors from 5 1/4 drives
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Okay, another newbie question: What do I need to take out of the 5 1/4 drive, other than the motor to get this to work? Also, what about drivers for the same? Anyplace I can get more info on this? I have a bunch of old drives laying around. thanks (...) (28 years ago, 10-Dec-98, to lugnet.robotics.handyboard)
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| | Re: Stepper vs DC
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(...) Actually, steppers do have some advantages. 1) If you do not have encoders on DC gearhead motors (or wheels, etc) they are notoriously hard to position accurately. Steppers can be controlled very accurately. Most servo motors cannot rotate (...) (28 years ago, 10-Dec-98, to lugnet.robotics.handyboard)
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| | Re: Do It Yourself RF module????
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Bastiaan: I wanted to suggest that you investigate the Ham Radio community. Some search words to help get you started include PACKET and ARRL. The first is one of the digital communications protocalls used in Ham Radio, and the second is an (...) (28 years ago, 10-Dec-98, to lugnet.robotics.handyboard)
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| | Re. RF data link
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If the data tx/rx modules can't handle TTL levels is there any reason to have the interface board at the PC end ?, why not replace the serial cable going to the PC with the rx/tx modules ?. Surely this should work. John (28 years ago, 10-Dec-98, to lugnet.robotics.handyboard)
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| | Re: DC Motor movement
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(...) Each motor may have slightly different characteristics even though they may be the same brand and model. This is what you are probably seeing. The ultimate solution is to use a feedback mechanism, like a shaft encoder, on the motors and use (...) (28 years ago, 10-Dec-98, to lugnet.robotics.handyboard)
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