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 | | Re: Non-polaroid Sonar
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| Hi all, I'm now building the ultrasonic sensor from kam leang's page, did anyone interface it with handyboard?? Can anyone give me some advice on driving it? thanks Frankie Lai 97139371d@polyu.edu.hk (...) to bit_set and bit_clear is not actually (...) (25 years ago, 16-Mar-00, to lugnet.robotics.handyboard)
| | | | | Re: Non-polaroid Sonar
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| (...) No, that's a very good question. It had me confused, too. The second argument to bit_set and bit_clear is not actually the index of a bit at all; it's a bit mask. For example, when you do bit_set( 0x1021, 3 ), the 3 becomes 0000 0011 in (...) (25 years ago, 16-Mar-00, to lugnet.robotics.handyboard)
| | | | | Re: Polaroid setup w/ exp board...
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| John Wynne wrote: <snip> (...) Making the connection to the transducer by hand will very likely damage the electronics on the sonar module board. It says in the Polaroid instructions never to operate the sonar with the transducer disconnected. You (...) (25 years ago, 16-Mar-00, to lugnet.robotics.handyboard)
| | | | | Re: Overcharge Battery
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| (...) Actually, if you had stored them fully discharged then they would likely be as good as they day you bought them. That is the best way to store NiCds. However, if they are kept at a C/100 trickle charge to prevent open-circuit discharge, they (...) (25 years ago, 16-Mar-00, to lugnet.robotics.handyboard)
| | | | | Re: Vector 2X driver
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| Yes, I run my Vector 2X is slave mode using only IC. I don't worry about missing the last bit since the precision of the heading is only +- 2 deg. It's very simple to code up. -Scott (...) (25 years ago, 16-Mar-00, to lugnet.robotics.handyboard)
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