 | | No heartbeat when switch on —Lionel Tay
| | | | 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 (...) (25 years ago, 13-Jul-99, to lugnet.robotics.handyboard)
| | | | | | | | | | Re: No heartbeat when switch on —Fred G. Martin
| | | | | 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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