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 | | RE: IR outputB
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| The software written by Max Davies should allow transmission as well as receiving. The information that I have doesn't include the hardware layout but as far as I understand the 1K resistor in the IR transmission circuit on the board should allow an (...) (26 years ago, 25-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.129)
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fred
(score: 0.129)
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| | Re: IC PROBLEM
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| yes, you are having lib conflicts. you should get the latest at (URL) latest has _raw_analog in the .icb file and NOT in the lib_hb.c file. re: synchronizing probs, try running IC in a full screen DOS window, or boot your computer in DOS mode. the (...) (26 years ago, 18-Jan-99, to lugnet.robotics.handyboard)
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fred
(score: 0.129)
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| | Re: IR output
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| In response to: (...) Could a hardware expert (Fred?) please give a more definitive answer to this? What value resistor should be used? After extensive IR use with just an IR led and no resistor my transmission circuit eventually died... I guess I (...) (26 years ago, 22-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.129)
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| | Problem resolved?
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| To all, Regarding my previous... I am not sure if it was a soldering connection, but after retesting the output voltages it is very close.. Fred says that the voltages should be between, say, +9 and +10, but I'll get a 8.7.. Is this good enough? If (...) (26 years ago, 24-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.129)
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| | Re: Readings
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| yes, memory wires should be oscillating, back and forth betw 0 and 5 volts. this is not floating; floating implies not connected. re: your other DL probs, usually, it is a bad connection on the PCB. try continuity checks on the memory subsystem. (...) (26 years ago, 17-Jan-99, to lugnet.robotics.handyboard)
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fred
(score: 0.129)
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| | Re: All-around-the-robot bump detection
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| (...) Nice idea, just one problem though... It gives you no idea as to the direction of the collision so the robot would need some other means of locating the cause of the collision and taking remedial action. Still, if you can solve that problem... (26 years ago, 18-Dec-98, to lugnet.robotics)
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fred
(score: 0.129)
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| | Re: 5956 airship + other 1999 stuff in the UK
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| Stickers are a big foul in my Lego collection. I give them to my 5yr old for his Legos. Using them kinda ruins pieces for further ideas b/c they may not match the theme you are trying to create. I don't know... This is just my feelings on stickers. (...) (26 years ago, 27-Dec-98, to lugnet.general)
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fred
(score: 0.129)
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fred
(score: 0.129)
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| | Re: sensor connectors
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| 2 pins are power and 2 are ground. It's made that way so the connector can go in several ways. You can reverse motor direction just by turning the power connector at either end. LegoCork@aol.com (26 years ago, 27-Dec-98, to lugnet.robotics)
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fred
(score: 0.129)
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| | (no subject)
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| i am sorry, but i have never readied that software. to debug, use a logic probe and check all of the 28 pins of the RAM chip. address, data, and enable lines should be flashing when the HB is turned on. if you see a line stuck at 0 or 1 that might (...) (26 years ago, 17-Jan-99, to lugnet.robotics.handyboard)
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fred
(score: 0.129)
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| | Markus hits the big time
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| Wired ran a story about legOS today: (URL) they weren't able to get in touch with Markus directly. But they have the standard sound bytes from John Dion and Fred Martin. Jonathan -- Did you check the web site first?: (URL) (26 years ago, 23-Feb-99, to lugnet.robotics)
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fred
(score: 0.129)
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| | Re: Sharp GP2D02 and assembly language
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| Hi, I have the same problem. For now I don't care since the GP2D02 is the only thing connected to an digital output. I am using the following: Include: subroutine_get_userval: ldab USERVAL ; load USERVAL to d register clra ; clear upper byte rts ; (...) (26 years ago, 23-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.129)
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fred
(score: 0.129)
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| | Re: help again
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| check that the RxD line on the hc11 is properly pulled up to +5v through R15. also, make sure you are *HOLDING DOWN* the STOP button until the BATT light goes off. this wasn't clear from your msg. finally, try getting the HB into boot mode with the (...) (26 years ago, 16-Jan-99, to lugnet.robotics.handyboard)
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fred
(score: 0.129)
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fred
(score: 0.129)
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| | Re: Space Shuttle Costs
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| (...) Actually No! * The Packet Switching technology that underlies the Internet was developed at the National Physics Laboratory in England. * The HyperText Transfer Protocol that underlies the World Wide Web was invented by an Englishman at CERN (...) (26 years ago, 16-Dec-98, to lugnet.robotics)
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fred
(score: 0.129)
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| | Stupid Sonars
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| I have a extremely complicated two polaroid sensor set up going on... I had a diode connected to each of the ECHO lines so that I can combine the two lines together... However, no signal passes through this setup... However, I have validified the (...) (26 years ago, 22-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.129)
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| | Re: Fw: Space Shuttle Costs ** OFF TOPIC **
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| (...) One Billion is a Million Million. One Trillion is a Million Million Million. It seems that on your way across the Atlantic you threw the thousands overboard with all the "u"s... [That's a joke, don't flame me!] (26 years ago, 16-Dec-98, to lugnet.robotics)
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fred
(score: 0.129)
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| | Re: Tinkering the 8880 suspension setup
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| Larry... What parts are you looking for from the 8437? I only have 1 but don't nearly all the parts. Fred... There are 4 yellow "A" arms in the 8437. Warning about the flex link w/the ball joints on the end. DO NOT let a 5yr old hold a completed car (...) (26 years ago, 23-Dec-98, to lugnet.build)
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fred
(score: 0.129)
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