Subject:
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No heartbeat when switch on
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Tue, 13 Jul 1999 07:48:00 GMT
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Original-From:
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Lionel Tay <[lioneltay@email.]Spamcake[com]>
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Viewed:
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755 times
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Hello
I had used the HB for a few days already. Recently when I used the HB to
drive 4 9V motors, the L293D chips got very hot. After that it LEDs
start lighting up without the software turning on the motors. So I
replace the L293D chips. Now when I turned on the HB, all the LEDs for
the motors lighted up. Also there is no pulse from the heartbeat. The IC
program also cannot communicate with the HB.
Regards
Lionel
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Message has 1 Reply: | | Re: No heartbeat when switch on
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| did you try reloading the operating program, pcode_hb.s19? use hbdl on windows or 6811 downloader mcl on macintosh. this program (pcode_hb.s19) must be resident on the HB at all times. it sounds like for whatever reason it got corrupted. this isn't (...) (25 years ago, 13-Jul-99, to lugnet.robotics.handyboard)
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