 | | replacement components
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hello all, I was wondering what kind of fuse i can use instead of the Polyswitch fuse and also will a darlington with close chartisics as the ztx614 work, as there are none in New Zealand. thankyou Brennan Mair gysmo@es.co.nz (27 years ago, 27-Jan-98, to lugnet.robotics.handyboard)
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| | Re: Simple Assembler Programs
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Try this url for a test program. (URL) have not tried the program myself, so I can't tell you anything about it. (...) ___...___ ___...___ Jonathan Swaby 305 Sparks Bldg Computer Support Specialist 814-865-0693 Penn State University (...) (27 years ago, 26-Jan-98, to lugnet.robotics.handyboard)
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| | Simple Assembler Programs
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Hello! Does anyone have some simple assembler programs that can be used to test the operation of the handyboard? For example, an assembler program that beeps the piezzo "speaker", or one that blinks some of the LEDs. Anything would be most helpful (...) (27 years ago, 26-Jan-98, to lugnet.robotics.handyboard)
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| | SPI routine for EEPROM
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Application note on hooking up a EEPROM to the Finger Board SPI port. EAS-AN001 This also applies to the Handy Board SPI port. Very useful for datalogging and data table lookups without having to use up core memory. Embedded Acquisition Systems 1565 (...) (27 years ago, 26-Jan-98, to lugnet.robotics.handyboard)
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| | My servo controller article
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I've updated it with the figure showing the state diagram. I apologize for the wide distribution but I've lost the email of the folks who wanted to see that figure. The updated article is at (URL) (27 years ago, 25-Jan-98, to lugnet.robotics.handyboard)
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| | Wirz LMD18200
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Can someone instruct me on how to connect the Wirz Electronics LMD18200 H-bridge board to the Handyboard's motor control IC socket, which pin of the socket hooks to which pin of the H-bridge board. Any help would be grate. Thanks (27 years ago, 24-Jan-98, to lugnet.robotics.handyboard)
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| | MC68HC811E2
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Hi, I got a bag of HC811E2's and would like to know if they can be used with the handyboard to replace the HC11A1. Thanks, Quinn Marshal (27 years ago, 24-Jan-98, to lugnet.robotics.handyboard)
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| | Pingpong shooting competition
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I once heard of a competition where the objective was to build a solar-powered device that would shoot ping pong balls as fast/far as possible. Does anyone know of links to information on this contest? Thanks, /Max (27 years ago, 22-Jan-98, to lugnet.robotics.handyboard)
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| | Printing Floating Point Values
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Hello, Can anyone suggest a graceful means of printing a floating point number to the LCD using a specified number of decimal places? Thanks, Tom (27 years ago, 22-Jan-98, to lugnet.robotics.handyboard)
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| | Problems Downloading To E2
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First of all, is it even possible to use an E2 68HC11 variant w/ the HB? And if so can I d/l to it without having the LCD attached? As it stands now, I receive an error that the board is in the wrong mode using HBDL.exe while trying to d/l the (...) (27 years ago, 21-Jan-98, to lugnet.robotics.handyboard)
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| | Re: New S19 with includes PWM routines for IC3.1?
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Hi I don't have any objection to putting the modified files up for general download - I only added Julian's code to the 3.1 source... I also modified the "boot" message so that it is obvious that you are running the new PWM code. I've changed the IC (...) (27 years ago, 21-Jan-98, to lugnet.robotics.handyboard)
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| | Polaroid Sensor Problems
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i have teh sensor hooked up, and I didn't test it much yet, but so far, I am getting a clicking sound when I run it, but the values appear to be completely random (a lot even negative). Am I doing something wrong that's obvious. Thanks, Yoni (...) (27 years ago, 21-Jan-98, to lugnet.robotics.handyboard)
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| | Re: New S19 with includes PWM routines for IC3.1?
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Scott, Thanks for incorporating Julian's changes into the 3.1 pcode. In fact, if we can have Julian's permission and yours as well, Scott, we'd be very interested to be able to redistribute the improved pcode with IC 3.1. Scott and Julian, would (...) (27 years ago, 21-Jan-98, to lugnet.robotics.handyboard)
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| | HANDY-BOARD EXPANSION
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Where may I purchase the HP expansion board (built & tested)? If that is not available, where may I find the source code for the PIC on the expansion board? My old univ. robot team (most are still in school in one capacity or another) and I (...) (27 years ago, 21-Jan-98, to lugnet.robotics.handyboard)
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| | Re: New S19 with includes PWM routines for IC3.1?
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That would be great! Looking forward to it. Jun Nolasco nolasco@inx.net (...) (27 years ago, 21-Jan-98, to lugnet.robotics.handyboard)
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| | Re: New S19 with includes PWM routines for IC3.1?
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Hi I've ported the changes (Julian Skidmore's mod) to the IC 3.1 pcode source code: (available from ftp://newtonlabs.com...ode31.exe) But I don't have anywhere outside a corporate firewall to put the files (a new pcode_hb.s19 and a modified lib_hb.c (...) (27 years ago, 21-Jan-98, to lugnet.robotics.handyboard)
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| | Sorry!
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Hello everyone, From my mail yesterday: (...) This is a quick note of apology for referring to the Handyboard as "Randy Sargeant's Handyboard" (thus unintentionally downplaying Fred Martin's contribution.) It was particularly inappropriate in this (...) (27 years ago, 20-Jan-98, to lugnet.robotics.handyboard)
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| | Disregard Dead Board
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The problem was isolated to a bad LCD display. This was accomplished by using the pcode file contributed by Kent (which doesn't require the display to be present while the board is on.) Special thanks to Gleason Research for finding/isolating this (...) (27 years ago, 20-Jan-98, to lugnet.robotics.handyboard)
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| | Re: [Q] power supply for polaroid sonar
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(...) I haven't tried this on the HB; but I have with other processors. I had problems with the sonar ping resetting the processor at times, as well as digital noise on the power supply bus causing false echo returns at long distances (as the (...) (27 years ago, 20-Jan-98, to lugnet.robotics.handyboard)
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| | Re: New S19 with includes PWM routines for IC3.1?
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I started on putting in the new PWM routines, but I don't expect to be able to finish until this weekend. - Mike (27 years ago, 20-Jan-98, to lugnet.robotics.handyboard)
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