 | | RE: Question for Fred
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That's a funny question. I just finished a class on this exact topic. The basic determining factors when deciding whether to use a stepper motor or a DC brush/less servo motor is speed and open/closed loop control. Stepper motors are limited to (...) (27 years ago, 8-Dec-98, to lugnet.robotics.handyboard)
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| | Do It Yourself RF module????
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Hi, Now that the topic of RF commucation seems to arise again, I have a question too. After looking at the RF modules of radiometrix and linx I concluded that: 1. They are too expensive 2. They are probably not available here in the netherlands (...) (27 years ago, 8-Dec-98, to lugnet.robotics.handyboard)
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| | RE: Help with overcharged batteries
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<<Last night we discovered that we had left our Handyboard on ZAP when we thought <<we had left it to trickle. It was left at this condition for about 6 hours. You probably should remove the battery pack, put it in a baggie, and take it to Radio (...) (27 years ago, 8-Dec-98, to lugnet.robotics.handyboard)
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| | RE: Serial interface/ RF data link
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<<snip>> Unfortunately, I have not had any luck. This brings me back to the first point- is it possible to use the serial interface board by just providing the tx and rx lines? <<snip>> In short, no. The serial interface board takes power from the (...) (27 years ago, 8-Dec-98, to lugnet.robotics.handyboard)
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| | persistent var's in IC
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Has anyone had problames with the Handyboard, IC 3.2 and 'persistent' variables? the following declaration works fine : persistent float i; but using an array: persistent float battery_voltage[ 320 ]; always causes an error while downloading : IC> (...) (27 years ago, 8-Dec-98, to lugnet.robotics.handyboard)
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