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Scott, The J1 connector has the following pin assignments: pin 1 GND pin 4 INIT pin 9 V+ pin 6 OSC pin 7 ECHO pin 8 BINH pin 2 BLNK (28 years ago, 24-Dec-96, to lugnet.robotics.handyboard)
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| | Polaroid pinouts
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Hi I've just received my Polaroid sonar stuff, but there's no documentation ! (of course Polaroid appear to have closed for Xmas.....) Does anyone have the pin assignments for the 6500 series Polaroid sonar module. The connector is roughly in the (...) (28 years ago, 23-Dec-96, to lugnet.robotics.handyboard)
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| | Re: no download mode
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(...) Mine was doing what sounds like exactaly the same thing... Try replacing you MAX 232 chip if nothing else works, I blew mine out (god knows how) a while ago, and was acting like you said. Just a suggestion :) -Wes (28 years ago, 23-Dec-96, to lugnet.robotics.handyboard)
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| | no download mode
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I spilled coffee on my handyboard this morning - it was powered off at the time. There was liquid across several pins on the 6811, though. I removed the 6811 and cleaned it up, then reinserted it. Now, both red&green LCDs come on when I turn it on. (...) (28 years ago, 23-Dec-96, to lugnet.robotics.handyboard)
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| | RE: Workin' its little heart out?
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The trick is to make sure that if you get simulataneous interrupts you services them both before returning. ---...--- From: Mike Ross[SMTP:mross@outl....nasa.gov] Sent: Monday, December 23, 1996 12:59 AM To: handyboard mailing list Cc: TRP mailing (...) (28 years ago, 23-Dec-96, to lugnet.robotics.handyboard)
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| | Workin' its little heart out?
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Hi, all... A generic 68HC11 question- I (sorta) got my code running this weekend. I'm trying to get a 68HC11E1 to operate all 4 OC and IC lines on interrupts. I have about 800 instruction cycles spread over 8 interrupt routines. The waveform I'm (...) (28 years ago, 23-Dec-96, to lugnet.robotics.handyboard)
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| | serial port
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Hello, I'd like my handyboard to communicate with my PC through the serial port. Since I am not a RS 232 specialist, I am looking for code on the PC side. I am using Visual J++ and/or Visual C++ under Windows 95. Thanks for any help. Laurent (...) (28 years ago, 23-Dec-96, to lugnet.robotics.handyboard)
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| | mailing list, unsubscribe
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Thank you for my time on your mailing list. Pressure of commercial work makes it impossible for me to keep up, so please remove me from the list. I look forward to being able to read it again some time in the future. Thanks, Terry, a.k.a. (...) (28 years ago, 22-Dec-96, to lugnet.robotics.handyboard)
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| | Re: chip selects:
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(...) They are memory-mapped. See Appendix B of the 6270 Robot Builder's Guide, in the Tech Docs area, for info. -Fred (28 years ago, 21-Dec-96, to lugnet.robotics.handyboard)
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| | chip selects:
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Perhaps I have just overlooked this in the documentation for the HB and IC. Is there an easy way to control the chip selects Y*? Are they memory mapped or harder to get to than that? Thanks for the info: patrick (28 years ago, 21-Dec-96, to lugnet.robotics.handyboard)
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| | RE: JAVA and the handyboard
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There is another paper in SPIE Mobot Robots 11...I'll put that on the MIT AI ftp site when I get back from vacation (1/2/97). Willie (28 years ago, 20-Dec-96, to lugnet.robotics.handyboard)
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| | Re: Bali papers?
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(...) I noticed both the PS files had a strange character at the beginning of the first line and the last line. I wasn't able to print the files until I removed the strange chars. -- Clint (28 years ago, 20-Dec-96, to lugnet.robotics.handyboard)
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| | Re: (Polaroid quandry)
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(...) Yes, you can use the +5v regulated power bus to power the ranging module. That's all the power you need for a Polaroid US system. (...) That's 2500 mA. (through the power lines of the renging module) At least that's what the specs say. Who (...) (28 years ago, 20-Dec-96, to lugnet.robotics.handyboard)
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| | stepper motors
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Hi all, I want to control 2 stepper motors with my handyboard. I want to do microstepping for high resolution. I already have a couple of vexta unipolar(6 wire) steppers. I also have the TI Sn754410 H-bridge chips. I now understand the need for (...) (28 years ago, 20-Dec-96, to lugnet.robotics.handyboard)
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| | Bali papers?
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Has anyone had any luck in reading the PS files on Bali? My Ghostview v1.5 on HP-UX gives many errors. (28 years ago, 19-Dec-96, to lugnet.robotics.handyboard)
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| | RE: JAVA
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The IC package is quite impressive. What's the expectation of a JAVA-like language? --Jerry (28 years ago, 19-Dec-96, to lugnet.robotics.handyboard)
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| | RE: JAVA and the handyboard
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I found my info on the Bali paper: Title: The BALI Development Environment for Small Mobile Robots Author: Willie Lim, Future Minds, Inc., William Y-P. Lim, wlim@ai.mit.edu Pages: 11 Presented: Mobile Robots X Conference (SPIE Conference 2591) in (...) (28 years ago, 19-Dec-96, to lugnet.robotics.handyboard)
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| | (Polaroid quandry)
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Kind of in a jam... Have heard conflicting advise (thaks again to everybody who bothered to give it)...My design group wants to come to a decision about powering our two Polaroid Ultrasonic tranducers.... * One set of opinions has advised that we (...) (28 years ago, 19-Dec-96, to lugnet.robotics.handyboard)
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| | Re: Newcomer
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(...) The E variant can handle 4 IC lines and 4 OC lines, while the A must do 3 IC lines and 5 OC lines. The IC and OC lines are the way the processor handles timer-sensitive signals, such as RC signals. The Handyboard can handle up to 2 ICs and 2 (...) (28 years ago, 19-Dec-96, to lugnet.robotics.handyboard)
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| | Re: Handy Board Crash
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(...) Re-load pcode_hb.s19. If the board loses its operating program, when it starts up it runs gibberish, and the value of the motor output latch is randomized. -Fred (28 years ago, 19-Dec-96, to lugnet.robotics.handyboard)
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