 | | Re: download .s19 problem
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the target of your code is probably the zero page of RAM, where the downloader bootstrap routine lives. so as your code is being downloaded, you're over-writing the hc11-ram-based dl comms code and the host side ultimately fails. fred (...) (23 years ago, 29-May-01, to lugnet.robotics.handyboard)
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| | download .s19 problem
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Hy! I have problems downloading a self compiled file to my Handyboard (with 68HC11A1). I just wrote a little test programm: int main() { int foo = 0; while (foo < 1000) { foo++; } return(0); } and compiled it to a .s19 file with the gnu gcc 68hc11 (...) (23 years ago, 28-May-01, to lugnet.robotics.handyboard)
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| | simpleRTJ servo or encoder code for HandyBoard?
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Hi, I'm trying to use simpleRTJ on my HandyBoard with expansion board. The servo code needs some work as the servos chatter alot. Has anyone cleaned up the servo code? Also, I'm looking for code for encoders for the HandyBoard using simpleRTJ. Any (...) (23 years ago, 25-May-01, to lugnet.robotics.handyboard)
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| | RE: More about bumper problem and HB turn itself off
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Hi Patrick, When I connect the bumper circuit to the HB, the HB turns itself off and doesn’t reset until I disconnect the circuit. After disconnecting the circuit , the HB resets without any problems. I’ve tried another thing: when I connect only (...) (23 years ago, 24-May-01, to lugnet.robotics.handyboard)
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| | Re: Need help with bumpers connected to the HB
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Hello, Can you describe more about "HB turns itself off ?" Does the HB reset itself? The analog inputs for HB have pull-up resistors. This pull-up resistor may cause the problem. Thanks. Patrick Hui (URL) Original Message ----- From: "Haberlag" (...) (23 years ago, 23-May-01, to lugnet.robotics.handyboard)
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| | Outputs
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Right now I've got one Sharp GP2D05 IR Ranger rigged to TO3 and another to digital in 9. Those are working fine, but I'd like to add a servo motor, which needs one of those two ports for a signal. The FAQ mentions using the J6 SPI pins, might I be (...) (23 years ago, 23-May-01, to lugnet.robotics.handyboard)
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| | Need help with bumpers connected to the HB
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Hi, I’ve got a problem in getting started with the Handy Board. I’d like to connect a bumper detection circuit to the analog0 of my HB. But when I connect the bumper circuit to my HB , the HB turns itself off. Can anybody help me? Any help would be (...) (23 years ago, 23-May-01, to lugnet.robotics.handyboard)
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| | Re: Will not keep P-Code.....
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Rmoving every chips except 62256 RAM and 74HC132, and try it again if it works. Besides the memory chip (62256), please also check the 74HC373 (under-neath the 62256 RAM). Patrick Hui (URL) Original Message ----- From: "Kurt Telep" <kt25@drexel.edu> (...) (23 years ago, 22-May-01, to lugnet.robotics.handyboard)
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| | Will not keep P-Code.....
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Well, I recently got a hold of a handyboard from a |friend of mine who swore it was "junk and didnt' work" | After cleaning up some ugly looking solder joints on |the board, it powered right up and began to work |great. Well, when I went to screw it (...) (23 years ago, 22-May-01, to lugnet.robotics.handyboard)
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| | huip@hkstar.com
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Hi, I have two question. 1. I received my IR transmitter from you, but I'm not sure how to attach it (in what direction). 2. I also received the Polaroid sonar system. I wonder if there are any more info available about it beside the datasheet which (...) (23 years ago, 21-May-01, to lugnet.robotics.handyboard)
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| | Is the Handy Board compatible with Windows ME?
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I have a Gateway Performance (933Mhz) using Windows Millenium Edition. The Handy Board works on other computers (work, school, etc) but not with this one. I follow the HyperTerminal steps & get the message: "Unable to open COM1. Please check your (...) (23 years ago, 19-May-01, to lugnet.robotics.handyboard)
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| | Re: gcc hb lib
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Kai Schlamp writes: > Can somebody tell me what the assembler directive ".follow" means in the > GCC Handyboard Library written by Curt Mills? I can´t find it in the > documentation of the up to date as6811 version 3.0 and as6811 also > doesn´t (...) (23 years ago, 18-May-01, to lugnet.robotics.handyboard)
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| | gcc hb lib
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Hy! Can somebody tell me what the assembler directive ".follow" means in the GCC Handyboard Library written by Curt Mills? I can´t find it in the documentation of the up to date as6811 version 3.0 and as6811 also doesn´t assemble the files with this (...) (23 years ago, 17-May-01, to lugnet.robotics.handyboard)
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| | Re: generating waves
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In lugnet.robotics.handyboard, Matthias Weber writes: I think your best bet would be to create an external oscillator that could be controlled using one of the TOC's. I mention the TOC's in case you need to pulse the oscillation (infrared remote (...) (23 years ago, 17-May-01, to lugnet.robotics.handyboard)
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| | Re: NiMh batteries
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You are correct, the NiCd batteries are a dying breed. HOWEVER, NiCds will retain their charge on the shelf whereas NiMh batteries will continually discharge slowly. After a couple of weeks your battery will not have any charge. The best of both (...) (23 years ago, 17-May-01, to lugnet.robotics.handyboard)
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| | NiMh batteries
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Hello folks, I want to implement 8 Nimh (nickel metal hydride) batteries instead of Nicads on my robot. I have read that these are lighter, have more capacity and don't retain charge memory. The batteries I am looking at are 1200 mAh. Currently it (...) (23 years ago, 17-May-01, to lugnet.robotics.handyboard)
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| | Re: Instructions for building own Handyboard
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Thanks for the advice. I might check out the kits. I'd really like to do it all myself - it helps having a Fry's Electronics about 2 miles from my house, but I understand about the multiple shipping charges adding up. It's also a matter of cost: (...) (23 years ago, 16-May-01, to lugnet.robotics.handyboard)
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| | video of Spring 2001 Robotic Egg Hunt now online
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In case you missed our live webcast on 29 April 2001, I have put the complete Spring 2001 LEGO My Egg-O Robotic Egg Hunt video online. (URL) site in case www.eecs is down; it's been spotty lately, due to renovations in the machine room] (URL) 8 (...) (23 years ago, 15-May-01, to lugnet.robotics.handyboard)
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| | Fred's book available again
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Hi everyone, Sorry for the shameless self-promotion, but: my book is in stock at Amazon and Barnes and Noble again. If you'd like to order with me as an affiliate, below are links to the respective companies. Thanks for your patience and interest! (...) (23 years ago, 15-May-01, to lugnet.robotics.handyboard)
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| | Re: Instructions for building own Handyboard
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James, Gerber files can be found in the Hardware:PCB Layouts link. The HB is a fairly complex board -- are you sure you want to make it by hand? If you haven't gone from Gerber files to boards before, the HB probably isn't the best board to start (...) (23 years ago, 14-May-01, to lugnet.robotics.handyboard)
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