 | | Re: Motor outputs
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(...) I'm not quite sure if this is what you are looking for, but if you need to run motors that are not compatible with the HB's built-in H-bridge, try one of the following: (1) If you need up to twice the current, try piggybacking more motor (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
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| | Re: HB bootstrap problem when U6 installed
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Originally I had problems putting my Handy Board into bootstrap mode. The problem seemed to be that we had the wrong power source, and had to keep it in zap mode for it to work properly. (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Decoding Infrared receiver
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Make sure that your modulating the transmision part with the correct frequency! When I built my handy board I tested the IR TX circuit and it gave me 57kHz instead of 40 kHz and I did use all the correct resistor capacitor values. I suggest that you (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
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| | Re: HB bootstrap problem when U6 installed
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I assume you've tried other HC138's, and that it's not a case of a faulty chip? fred In your message you said: (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
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| | HB bootstrap problem when U6 installed
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One of my students is having a problem in assembling their HB: Downloading and executing IC works fine _until_ U6 is installed. After installing U6 ('138) the GRN LED doesn't quite go off when putting the board in bootstrap mode, it glows faintly. (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
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