 | | chips —phil white
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| | | oes anyone have a reliable source of the 68hc11 they are being obseleted by motorola and i can get less than 100... and i work for an electronics manufacturer. thanks phil (25 years ago, 28-Jun-99, to lugnet.robotics.handyboard)
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| | | | | Moving Straight —Sean Verret
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| | | | Is there anyone who has written or seen IC code that will keep a robot moving straight with 2 DC motors and four side sensors? 2 on each side. The main reason I ask is because one of my DC motors seems to put out more power that the other one and (...) (25 years ago, 28-Jun-99, to lugnet.robotics.handyboard)
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| | | | | | Re: Moving Straight —Nick Taylor
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| | | | | Sean ... Probably the best way to maintain a constant heading is to use shaft encoders on both drive wheels ... monitor their rotation ... adjust one motor to give identical turn counts. The book "Mobile Robots: Inspiration to Implementation" by (...) (25 years ago, 28-Jun-99, to lugnet.robotics.handyboard)
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| | | | | | Re: Moving Straight —Curt Mills, WE7U
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| | | | | (...) Sorry, I do other things with my controllers than control robots (shame on me!). From other discussions I've seen though, I would think that you could use some feedback from the turning shafts, like optical turns counters or some such. I (...) (25 years ago, 28-Jun-99, to lugnet.robotics.handyboard)
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| | | | | | Re: Moving Straight —Patrick Tuttle
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| | | | | I use the 9 gram Piezo gyro in my Hand Launch Glider to keep it moving level despite strong wind conditions. Could you use that in your robot as a "Rudder" input? The 9 gram Piezo gyro costs about 9,500 yen here in Japan. That is about $80.00. I (...) (25 years ago, 29-Jun-99, to lugnet.robotics.handyboard)
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| | | | | | Re: Moving Straight —Nick Taylor
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| | | | So far nobody has mentioned using a compass to control the 'bot's heading. (URL) Nick (...) (25 years ago, 29-Jun-99, to lugnet.robotics.handyboard)
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