Results 401 – 420 of about 1900.
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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: 0.940)
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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: 0.940)
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fred
(score: 0.939)
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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: 0.939)
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| | Re: Polaroid 6500 stuff
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| Oh yeah, I meant to send an e-mail: "There are new drivers and a wiring diagram for using the Polaroid 6500 sonar ranging module with the Handy Board!! Just visit the HB home page: (URL) -Fred" That said, the answer to this question is simply, get (...) (27 years ago, 26-Nov-97, to lugnet.robotics.handyboard)
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fred
(score: 0.939)
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| | HB sonar new drivers
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| the new code is improved in the sense that 1. there is a clear schematic and wiring diagram; 2. it does not require the removal of a motor driver chip; 3. all driver code is written in Interactive C. fred (27 years ago, 27-Nov-97, to lugnet.robotics.handyboard)
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fred
(score: 0.939)
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| | Re: non-linear motor speed problem
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| (...) The (small) load presented by the gears makes it behave quite well with pure DC (...) Sadly, the servo motors have oodles of oomph (the correct technical term for torque etc). My little bot is really a micromouse in training and very light so (...) (28 years ago, 11-Mar-97, to lugnet.robotics.handyboard)
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fred
(score: 0.939)
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fred
(score: 0.938)
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| | Re: IC problem
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| Jeremy, You have to give us more information about what you've tried. Have you re-downloaded pcode_hb.s19 to your board? Do you get the boot beep and LCD message when you turn your board on? Have you changed your desktop computer configuration at (...) (27 years ago, 1-Dec-97, to lugnet.robotics.handyboard)
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fred
(score: 0.938)
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| | Help! - Strange Bug.
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| Hi All, I have recently completed construction of a Handyboard which passed all it's initial tests with the downloader, pcode and hbtest.c program, thanks to some help from Fred Martin, and I am now enjoying writting some programs for it. However I (...) (28 years ago, 5-Mar-97, to lugnet.robotics.handyboard)
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fred
(score: 0.938)
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| | Re: Smoking serial/charger board...!!!
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| Hi. This evidence pretty conclusively points to a power-ground short on your board. Here is why: * you are fairly certain it is not the RJ11 cable (the most common cause of blown R11's). * when applying charge pwr directly to the HB's charge jack, (...) (27 years ago, 1-Dec-97, to lugnet.robotics.handyboard)
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fred
(score: 0.938)
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| | Vector2x SPI interrupt driven code
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| Well it works. A couple people have asked for it. Turns out the stupid V2X docs are wrong again! Like the product, but bad docs will kill it! Even if you don't have a V2X, I have seen enough traffic asking about using the SPI for things on the HB, (...) (28 years ago, 5-Mar-97, to lugnet.robotics.handyboard)
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fred
(score: 0.938)
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| | Smooth PWM Routines!
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| Julian Skidmore <skidmorj@cs.man.ac.uk> has implemented and released a new algorithm for performing the pulse width modulation on the Handy Board's motors, allowing up to 100 power steps rather than just eight! This is a big, big improvement over (...) (27 years ago, 3-Dec-97, to lugnet.robotics.handyboard)
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fred
(score: 0.938)
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fred
(score: 0.938)
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| | Re[6]: IR Collision avoidance
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| Adam, I have it working, but I want to tidy it up a bit. At the moment it uses 2 op-amp stages, I think it can work with one. After all, it's just a precision diode! I will put something on in a few days. Fred, I do not have schematic capture (...) (28 years ago, 10-Mar-97, to lugnet.robotics.handyboard)
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fred
(score: 0.938)
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| | new version of 6811 Downloader for Mac
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| Hi all, The 6811 Downloader program was starting to be flaky under System 8, so I fixed an odd serial bug. More like a work-around, actually. Anyway, if you use this program, and it is starting to flake out on you, download the new version. It's at (...) (27 years ago, 6-Dec-97, to lugnet.robotics.handyboard)
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fred
(score: 0.938)
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| | Re: Handy Board serial routines
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| (...) /* ---...--- SENDING AND RECEIVING THROUGH THE SERIAL LINE ---...--- the IC program must be stopped in order for this to work ! the code is from the handybaord FAQ by Fred Martin or ?? Randy Sargent ?? added by Xavier Chabot, 3-3-97: (...) (28 years ago, 14-Mar-97, to lugnet.robotics.handyboard)
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fred
(score: 0.938)
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| | Thanks.
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| Hello, Thank you to everyone for all the help with the Handy-Board. In particular, thank you Fred Martin and Randy Sargent. Keep up the good work. -Luke (28 years ago, 23-Mar-97, to lugnet.robotics.handyboard)
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fred
(score: 0.937)
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| | Re: trouble with memory
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| well, the dim flashing of either yellow charge LEDs should not worry you. all this means is that the Handy Board is drawing some power. if you have the wall adapter plugged into the Interface/Charger board, simply switch it to "Zap" mode. now, onto (...) (27 years ago, 11-Dec-97, to lugnet.robotics.handyboard)
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fred
(score: 0.937)
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| | Re: Do we have linkage?
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| I got it. (...) snip . _ . _ . _ . _ . _ . _ . _ . _ . _ . _ . _ . _ . _ . _ . _ . _ . . _ . _ . Fred Yokel email: fred@drbmar.com DRB Partners 2635 North First Street, Suite 204 San Jose, CA 95134 (408) 943-0515 . _ . _ . _ . _ . _ . _ . _ . _ . _ (...) (26 years ago, 6-Nov-98, to lugnet.loc.us.ca.sf)
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fred
(score: 0.937)
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