 | | PID filter source code
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Hello all, Is there anyone hwo has information about motion control, and specially about writing a PID filter for the HC11. I want to control a 3-axis machine. The 3 engines all have encoders and i want to write a PID filter where i can control the (...) (26 years ago, 23-Jul-98, to lugnet.robotics.handyboard)
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| | What about Fischertechnik?
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I assume the Handy Board (HB) can be used with Fischertechnik products and parts. Is this correct? I just ran across Fischertechnik and was wondering if you all have any comments (preferably based on experience) about how this line of products (...) (26 years ago, 22-Jul-98, to lugnet.robotics.handyboard)
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| | Re: Recharging a Battery
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(...) That's a Gel Cell I assume (that's what I call them anyway). Depending on how you use your battery, you can charge it one of two ways (listed on the chart on your battery). I choose to charge my Gel Cells (I have a bunch of different types) (...) (26 years ago, 22-Jul-98, to lugnet.robotics.handyboard)
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| | Recharging a Battery
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I have a 'sealed rechargeable' Lead-Acid battery. It's specs are 12 volts at 2.0 Ah. It also has a nifty chart on the outside saying: | Charging @ 20 Deg. C | Voltage Regulation | Initial Current | | Standby Use | 13.50-13.80V | No Limit | | Cyclic (...) (26 years ago, 22-Jul-98, to lugnet.robotics.handyboard)
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| | Re: Memory usage
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This question how has an answer in the FAQ. Please see: (URL) is the answer now on the FAQ page. Fred How much of the Handy Board's 32K memory is available for user programs running under Interactive C? Here is an approximate breakdown of how (...) (26 years ago, 21-Jul-98, to lugnet.robotics.handyboard)
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| | Memory usage
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I don't have a handy board but am considering getting one. I like what I have seen so far! I have searched the FAQ and the mail list archives but can't find the answer to my question. How much of the 32k does Interactive C take up? OR MORE TO THE (...) (26 years ago, 21-Jul-98, to lugnet.robotics.handyboard)
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| | Re: Need Help to solve the algorithm.
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The paper referred to is at ftp://cherupakha.med...Martin.pdf My personal advise is that you simply *get started*. hook up your motors and start driving your robot around. see what it can do, how it moves. then connect sensors and gain an intuition (...) (26 years ago, 21-Jul-98, to lugnet.robotics.handyboard)
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| | RE: Need Help to solve the algorithm.
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Are you asking for how to do the ded reckoning from counting steps, or how to get the sonar to measure your location relative to nearby walls? Mike Ross ---...--- From: phillip chia[SMTP:philchia@s...et.com.sg] Sent: Monday, July 20, 1998 3:38 AM (...) (26 years ago, 21-Jul-98, to lugnet.robotics.handyboard)
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| | Re: Sonar Help!
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I have tried the official Handy Board Sonar hookup from the Web sie and didn't get very good results. Most of the time, the sonar would produce seemingly random numbers (including negatives). Every once in a while, it would give a constant value of (...) (26 years ago, 21-Jul-98, to lugnet.robotics.handyboard)
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| | Re: Sonar Help!
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In your message you said: (...) what kind of ext batt are you using? are the diodes in series with that? what voltage do you have on the sonar when it's in operation? are the sonar's ground and the HB's ground connected? fred (...) (26 years ago, 21-Jul-98, to lugnet.robotics.handyboard)
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