 | | non-linear motor speed problem
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I am using servos converted to plain gearmotors as the motive power for my baby bot. Finally I worked out how to add shaft encoders to them. (Found a small opto switch to poke through the inside of the case on the first gear). The servos I am using (...) (28 years ago, 11-Mar-97, to lugnet.robotics.handyboard)
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| | Re: Problems with my DC-Motors
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(...) Yes, i do / Ja ist schon gut :-) (...) Here i suspect your speed regulator chip. (...) Servo's brauchen nur ein wenig strom -> i really suspect your speed regulator chip. (...) Try swapping your speed controller chip. Groetjes, Hans (28 years ago, 10-Mar-97, to lugnet.robotics.handyboard)
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| | Re[6]: IR Collision avoidance
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Adam, I have it working, but I want to tidy it up a bit. At the moment it uses 2 op-amp stages, I think it can work with one. After all, it's just a precision diode! I will put something on in a few days. Fred, I do not have schematic capture (...) (28 years ago, 10-Mar-97, to lugnet.robotics.handyboard)
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| | Re: IR collision avoidance
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Some IR Leds have graphs from the manufacturer showing angular characteristics. I've seen some nice ones in linear and polar plots of angle vs. intensity. See if you can get the specs of the LEDs you order. This may help you with your configuration. (...) (28 years ago, 9-Mar-97, to lugnet.robotics.handyboard)
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| | Re: Breaking
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I've slammed it backwards a couple of times. ---...--- ericson mar Master of Engineering Candidate Project: Mobile Robotics mar@cooper.edu Department of Mechanical Engineering The Cooper Union for the Advancement of Science and Art ---...--- (...) (28 years ago, 7-Mar-97, to lugnet.robotics.handyboard)
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