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 | | Re: sonar
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| (...) yes. the polaroid board is pretty sophisticated, really, in that it ramps up the input gain the longer it waits for the ultrasonic reflection pulse. this compensates for the exponential falloff in "volume" as sound disperses on the way out and (...) (28 years ago, 18-Nov-96, to lugnet.robotics.handyboard)
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fred
(score: 0.053)
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| | Re: U14 problem
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| Firstly, 19.9v is a normal unloaded voltage from a 12v DC adapter. The reason: these common wall adapters are unregulated, and voltage output varies inversely to current. I.e., if there is no load, the voltage is higher than the rated voltage; if (...) (28 years ago, 15-Nov-96, to lugnet.robotics.handyboard)
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fred
(score: 0.053)
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fred
(score: 0.053)
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| | Re: Strange...
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| You need to get the CONFIG register to be set to 0x0c. If it is set to 0x0d, there will be memory conflicts. See the FAQ for an explanation. Try DL.EXE from the freeware DOS package. See ftp://cherupakha.med...2853r2.zip -Fred In your message you (...) (28 years ago, 14-Nov-96, to lugnet.robotics.handyboard)
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fred
(score: 0.053)
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| | Re: Servo_a5 (fwd)
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| (...) OK. Thanks for letting us know. I have updated the FAQ to reflect your observation. (...) Can you try -not- loading your modified servo.c and see if you can get the A5 servo to work? Make sure neither servo.c nor servo.icb is loaded, and then (...) (28 years ago, 13-Nov-96, to lugnet.robotics.handyboard)
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fred
(score: 0.053)
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| | Re: Servo_a5
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| Maria, Can you follow the instructions for prepping ICB files at (URL) let us know if that solves the problem? I had been told that this problem was solved in the 3.1 versions of IC, but perhaps not. Thank you, Fred In your message you said: (...) (28 years ago, 13-Nov-96, to lugnet.robotics.handyboard)
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fred
(score: 0.053)
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fred
(score: 0.053)
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fred
(score: 0.053)
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| | Re: IC memory error
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| The freeware version of IC runs in a virtual DOS box. Check your configuration settings to make sure you give the maximal amount of conventional (640K) memory to the DOS box. Also, try using the .pif file that is distributed with IC. -Fred In your (...) (28 years ago, 9-Nov-96, to lugnet.robotics.handyboard)
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fred
(score: 0.053)
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| | Re: Run Time error 1
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| Peter: run-time error 1 is "no stack place for start_process()". This is given in the IC/Handy Board manual. The reason is your "repeat" procedure, which keeps making more processes!! Instead of this, put each of your subprocesses in a loop; e.g: (...) (28 years ago, 8-Nov-96, to lugnet.robotics.handyboard)
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fred
(score: 0.053)
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fred
(score: 0.052)
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| | Re: Pic16c84 programming with Handyboard
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| David -- The MAX662 chip I used on the last beta rev was not the magic bullet I hoped. Not only is there possibly the rise time problem you mention, but when the thing turns off, it outputs 5v. The PIC needs a swing from 0v to 12v to enter program (...) (28 years ago, 5-Nov-96, to lugnet.robotics.handyboard)
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fred
(score: 0.052)
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| | (no subject)
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| (...) See my home page, (URL) for information on the Programmable Brick project. Just so it's clear: MIT is not, and is not going to, release the design for the P-Brick. Any info published is "FYI" only; this board is not being distributed. -Fred (28 years ago, 5-Nov-96, to lugnet.robotics.handyboard)
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fred
(score: 0.052)
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fred
(score: 0.052)
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| | Re: Assembly language and the handyboard
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| (...) Ed -- are you referring here to IC's mechanism for linking to assembly language files, the "IC Binary" interface? It's really not too hard to use, and allows users to create assembly language programs that are callable from IC using the C (...) (28 years ago, 27-Oct-96, to lugnet.robotics.handyboard)
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fred
(score: 0.051)
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| | sim6811 v1.3 for Mac available
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| Tomaso Paoletti has kindly sent me the latest version of his 6811 simulator, easily the best available for the Macintosh. It's available on cher in the projects/6811 directory, but cher is down right now, so you can get it from the HB home page: (...) (28 years ago, 26-Oct-96, to lugnet.robotics.handyboard)
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fred
(score: 0.051)
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| | how to unsubscribe
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| Greetings everyone, This is a friendly reminder that I, Fred Martin, am the only one who can fulfill your request to be unsubscribed. Therefore, please send such messages to me directly. Remember, that's also how you subscribed in the first place. A (...) (28 years ago, 25-Oct-96, to lugnet.robotics.handyboard)
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fred
(score: 0.051)
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| | Re: Bootstrap Mode, Problem
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| In your message you said: (...) (1) I assume when you say "miniboard," you actually mean the Serial Interface/Charger board. please be careful with your language because the Mini Board is a different specific project that is not part of the Handy (...) (28 years ago, 24-Oct-96, to lugnet.robotics.handyboard)
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fred
(score: 0.051)
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| | Re: Bootstrap Mode, Problem
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| 1. first, check if the board can go into DL mode when it is not attached to the host computer. power on with STOP held down, and it should go into DL mode, indicated by both the BATT and PWR LEDs lighting briefly and then turning off and staying (...) (28 years ago, 24-Oct-96, to lugnet.robotics.handyboard)
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fred
(score: 0.051)
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| | Re: Fatal Internal Error
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| (...) Are you using the freeware DOS version of IC? If so, please see the FAQ on this problem at: (URL) problem has to do with text file linefeed termination. The FAQ should help you fix this. -Fred (28 years ago, 23-Oct-96, to lugnet.robotics.handyboard)
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fred
(score: 0.051)
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