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 | | Re: Analog Ports
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| yes, it's the 47K pullup that's causing the IR's to not work. slice through the trace connecting the 47K to the sensor input pin on the underside of the printed circuit board. fred In your message you said: (...) (26 years ago, 24-Jan-99, to lugnet.robotics.handyboard)
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fred
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| | http://WWW.BAYLUG.ORG(!)
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| The domain is now registered, and I'll be setting up the related settings (DNS, server entries, a few starter accounts, mail services) in the next few hours. On the other hand, there isn't any "there" there yet. I haven't had much time to develop (...) (26 years ago, 4-Mar-99, to lugnet.loc.us.ca.sf)
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fred
(score: 0.130)
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| | Re: Expansion Board Files
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| take the files out of the expansion-libs directory, and put them in the libs directory. over-write any previous files by the same name. make sure IC is configured to load lib_hb.lis on boot. that should be it... not sure where you're getting hung (...) (26 years ago, 25-Jan-99, to lugnet.robotics.handyboard)
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fred
(score: 0.130)
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| | Re: Curiosity...
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| Fred, Michael Dorneich has an superb website which is literally a table of contents for who's who in LEGO. It's called the "MCPD's LEGO INTERNET RESOURCES QUICK REFERENCES GUIDE" (ie Everything LEGO) located here: (URL) is very helpful, and will (...) (26 years ago, 26-Feb-99, to lugnet.general)
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fred
(score: 0.130)
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| | 9600 Baud Serial Input Drivers?
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| Fred and Others, I got hold of your 9600 Baud Serial Output drivers - thank you very much. Is there anyone from this list who have done the same thing the taking in serial input data using the PORT A pins? And another questions, about serial (...) (26 years ago, 1-Mar-99, to lugnet.robotics.handyboard)
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fred
(score: 0.130)
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| | Re: Large Technic crane
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| (...) Pretty cool, Fred. How many kg's can it lift? (...) Maybe your ISP has a "stupid filter" ;-) I've never done it, cuz I don't want to find out (too chicken :). If you look stupid in the picture, you might as well be having fun in the picture, (...) (26 years ago, 28-Feb-99, to lugnet.build)
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fred
(score: 0.130)
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| | Re: Interactive C-OS8 Downloading Problems
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| cappy, did you use my new "6811 Downloader MCL" version? this has been tested on a variety of Macs running system 8.5 and 8.1. please download it from (URL) me know if this works to download from your 6500. have you ever used the serial port on this (...) (26 years ago, 24-Jan-99, to lugnet.robotics.handyboard)
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fred
(score: 0.130)
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| | Re: Stack Overflow
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| IC is implemented using lex and yacc (tools originally on unix systems for building parsers and compilers, which generate C code that be compiled into apps on many platforms). as someone pointed out, if yacc barfs, it's because you've got an (...) (26 years ago, 24-Jan-99, to lugnet.robotics.handyboard)
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fred
(score: 0.130)
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fred
(score: 0.130)
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| | Re: Toy motors
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| sorry, send my msg before it was done. right, this is a good answer. you buy a device called an "electronic speed controller". this connects like a servo to the HB and has outputs to drive high current DC motors. you also connect a separate power (...) (26 years ago, 23-Jan-99, to lugnet.robotics.handyboard)
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fred
(score: 0.130)
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| | Re: Toy motors
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| right, this is a good answer. you buy a device called an "electronic speed controller". this connects like a servo to the HB (3 wire connection) and has outputs to drive high current DC motors. you also connect a separate power supply to the device. (...) (26 years ago, 23-Jan-99, to lugnet.robotics.handyboard)
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fred
(score: 0.130)
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| | Re: Working with Legos
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| (...) That's an excellent suggestion. Thanks, Max. There are many other tips on Lego robot construction techniques in an article titled The Art of Lego Design by Fred Martin. It's available for download from the Handy Board web site: (URL) have been (...) (26 years ago, 28-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.130)
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| | Re: POWER GLITCH
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| (...) Please see the FAQ, specifically: (URL) I am also looking for a servro motor, any (...) Please see the "Get One" pages, specifically: (URL) (26 years ago, 22-Jan-99, to lugnet.robotics.handyboard)
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fred
(score: 0.130)
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fred
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fred
(score: 0.130)
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| | Re: Dual Coaxial power jacks?
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| good beginner questions... (...) you can use either. if you use the one on the interface, then power goes through the phone cable to charge the HB. if you use the one on the HB, then power goes through the phone cable to operate the ckts on the (...) (26 years ago, 21-Jan-99, to lugnet.robotics.handyboard)
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fred
(score: 0.130)
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fred
(score: 0.130)
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| | Re: Battery Level Indicator
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| 1. yes, you probably killed your analog 5. the analog inputs are very sensitive to over voltage. if your ran more than +5v directly into the input, you probably killed it. next time you're playing with funky voltages, put a 5K resistor in series (...) (26 years ago, 20-Jan-99, to lugnet.robotics.handyboard)
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fred
(score: 0.129)
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| | Re: Handyboard >32Kb RAM
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| (...) Actually its 64K for the HC11 cause it has a 16 Bit address bus. 16^2 = 65536 = 64K But the upper address space is used by the I/O and expansionboards. There are some little empty spaces which could be used for additional RAM. There are (...) (26 years ago, 26-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.129)
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| | Re: IC
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| i am unable to reproduce the problem. perhaps comms between IC and your board are still unreliable. try writing a program that repeatedly prints to the LCD screen the result of 123 * 2. my guess is that it will work perfectly. also, make sure you (...) (26 years ago, 19-Jan-99, to lugnet.robotics.handyboard)
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fred
(score: 0.129)
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