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 | | Re: Error in FAQ
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| In your message you said: (...) whoops. it's fixed now. thanks. one thing: the range was correctly indicated in the FAQ as $6000-$6FFF. You've got it here as $6000-$6999. Fred (27 years ago, 20-Nov-97, to lugnet.robotics.handyboard)
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fred
(score: 0.089)
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| | HOW TO UNSUBSCRIBE
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| Greetings all, This is the periodic reminder about how to get yourself removed from the Handy Board list. The method is to send e-mail to Fred Martin. (That's me!) To unsubscribe, send e-mail to fredm@media.mit.edu. The message should say, "Please (...) (27 years ago, 18-Nov-97, to lugnet.robotics.handyboard)
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fred
(score: 0.088)
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| | trouble with memory
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| Dear Fred Martin, I'm in deep deeeep trouble! A few weeks ago I first read about your handyboard and was very excited about it, because I was looking for a controller board for my autonomous vacuum cleaner. So I ordered the PCB from Douglas (...) (27 years ago, 11-Dec-97, to lugnet.robotics.handyboard)
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fred
(score: 0.088)
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| | Re: Ooops.
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| It's unlikely you killed the MCU, there are 1k resistors in series with the RxD and TxD lines. Go to the assembly manual, and run through the series of tests that verify proper operation of the Interface/Charger Board. (URL) your message you said: (...) (27 years ago, 17-Nov-97, to lugnet.robotics.handyboard)
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fred
(score: 0.088)
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| | Re: 293s, Cable
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| In your message you said: (...) this isn't the problem. (...) please do the following, and specify the point of failure. 1. Open a terminal emulator program on your CPU (e.g., ProComm for DOS, HyperTerminal for Windows 95, ZTerm for Mac). Select the (...) (27 years ago, 17-Nov-97, to lugnet.robotics.handyboard)
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fred
(score: 0.088)
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| | followup: Initial Download Problems
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| just to add a bit, the chips that can be bad if you can't bootstrap are the 6811, the RAM, the 'hc04, and the soldered-down 'hc373. If you have any easy way of swapping first 3 of these 4 these chips, try it. Fred (...) ? (...) co (...) (27 years ago, 30-Oct-97, to lugnet.robotics.handyboard)
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fred
(score: 0.087)
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| | Re: Initial Download Problems
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| you easily could have blown chips if the vreg was shorted. then you're putting the direct batt voltage into the chips. just about any chip could be blown. sorry for the bad news! i'd try ordering the socketed parts from jameco and swap chips. fred (...) (27 years ago, 30-Oct-97, to lugnet.robotics.handyboard)
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fred
(score: 0.087)
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| | Re: serial interface
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| Lisa you could also use the HEXMON40 program you might already be familiar with from the Mini Board. Basically all you have to do is change the motor out and vector location definitions. See the FAQ for the memory map of the Handy Board. (URL) your (...) (27 years ago, 30-Oct-97, to lugnet.robotics.handyboard)
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fred
(score: 0.087)
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fred
(score: 0.086)
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| | HB site and 2.x web browsers
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| So all of my work is incompatible with version 2.x browswers, which don't colorize text. As an interim solution, I have created a site index page -- a single page that points to all pages linked from what are invisible menus if you have a 2.x (...) (27 years ago, 27-Oct-97, to lugnet.robotics.handyboard)
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fred
(score: 0.086)
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| | HB web site renovated!
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| Hi everyone, I've completed the HB web site's first major renovation, after about two years of existence. I'm pretty excited about the new look, which hopefully will serve the primary purpose of making information easier to find. it's there at the (...) (27 years ago, 26-Oct-97, to lugnet.robotics.handyboard)
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fred
(score: 0.086)
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| | Re: Rob Gaunts Last Message
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| (...) the instructions are wrong -- you should be seeing about 9v, which is the voltage on the nicad pack. i will revise the instructions. thanks for pointing out the problem. fred (27 years ago, 22-Oct-97, to lugnet.robotics.handyboard)
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fred
(score: 0.086)
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| | Re: Rob Gaunts Last Message
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| Whoa, i just realized that the instructions *are* correct. Here's why. For this voltage test, the instructions assume you are powering your board from the DC adapter. This should give the 15 volts mentioned, unless: * you hooked up the battery pack (...) (27 years ago, 22-Oct-97, to lugnet.robotics.handyboard)
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fred
(score: 0.086)
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fred
(score: 0.086)
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| | Re: Board synch problem
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| two things you can try: 1. use DLM to download the CONFIG0C.S19 file. Make sure to use the -eeprom flag. This will cause it to burn the config register to the proper value. 2. Have you tried Randy Sargent's DL.EXE for DOS / Win 3.1 full screen DOS (...) (27 years ago, 20-Oct-97, to lugnet.robotics.handyboard)
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fred
(score: 0.086)
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| | Re: Board synch problem
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| last week someone reported solving this by letting the battery charge. let us know if that works. am assuming that nothing changed in your config (cpu, cables, etc). fred In your message you said: (...) (27 years ago, 20-Oct-97, to lugnet.robotics.handyboard)
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fred
(score: 0.086)
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| | Re: hbtest errors
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| You are using the wrong library files. Make sure the IC application is set up to use lib_hb.lis, not lib_r22.lis, and get the library files from the HB Software Resouces page. Fred In your message you said: (...) (27 years ago, 18-Oct-97, to lugnet.robotics.handyboard)
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fred
(score: 0.086)
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fred
(score: 0.085)
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| | Intial Download Problems
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| Fred and others, I wrote before saying that my HB is not able to execute IC. Fred wrote back with the idea of it being related to the 68HC11, the memory or the 74HCs. Since I am not the richest of all college students, I am not able to just buy a (...) (27 years ago, 4-Nov-97, to lugnet.robotics.handyboard)
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fred
(score: 0.085)
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| | Re: Downloading Problems
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| 1. don't worry about the slightly out of spec voltages, +/- 5% is just not a problem. 2. you have already demonstrated that your board HW is OK by communicating from a Windows system. therefore 3. it is probably a cabling problem from your mac. you (...) (27 years ago, 15-Oct-97, to lugnet.robotics.handyboard)
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fred
(score: 0.085)
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