 | | using relays to run a motor
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Hi Ive elected to use 2 relays to run a motor. Im going to put one motor on with the power coming in 'straight' and the other one in reverse of the first one: [RELAY 1] [RELAY 2] ++ -- -- ++ (power is inverted) |--------| |---...---| | \_______ | (...) (27 years ago, 13-Feb-98, to lugnet.robotics.handyboard)
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| | Re: Lego 9V motors work well?
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[Greg Starr] spake unto the ether: (...) Performance-wise, they are okay (i.e., they are powerful enough). I don't like the short axle they have on them, though (compared to e.g. a Mabuchi motor with a LEGO 2x drilled axle Super-Glued onto the motor (...) (27 years ago, 13-Feb-98, to lugnet.robotics.handyboard)
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| | Lego 9V motors work well?
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What has been people's experience in using the Lego 9V motors with the Handyboard? I know they're overpriced, but they are easy to use... We've used small RC car motors etc. in our Lego robot course in past years, but some students have been looking (...) (27 years ago, 13-Feb-98, to lugnet.robotics.handyboard)
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| | re: 9v lego motors
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Lego motors are OK ptrformance wise (if youre talking about small robots), but the cost is really bad. What I would recommend is taking surplus motors and superglueing them together to lego bricks. Especially for photsensors and switches. phil (27 years ago, 13-Feb-98, to lugnet.robotics.handyboard)
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| | Interrupt for serial data
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I've decided to write an interrupt routine for the handling of serial data on the Handy Board. An example of an interrupt routine is given in the Handy Board technical reference. This works like a charm. I've modified it to use the SCI interrupt. (...) (27 years ago, 13-Feb-98, to lugnet.robotics.handyboard)
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