 | | M68HC711E9
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I have a Handy board . I want to remove the battery backup for the 32K RAM. This board have a 68HC11A1FN , i have the great idea of replace that with and put my code into the 12 K EPROM of the 68HC711E9. The question is , can be remapped that EPROM? (...) (27 years ago, 29-Dec-97, to lugnet.robotics.handyboard)
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| | Expansion Board
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Does the expansion board exist? If not, Will it exist? ___ IAN | |__ _______ ______ ___ ______ ___ ___ | _ \| _ | ___| | | _____|\ \/ / | |_ ) | _ | |_--- |___| ____| | | |________|__| |__|____ |______|______| |____| (...) (27 years ago, 29-Dec-97, to lugnet.robotics.handyboard)
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| | Re: random dodgy sensor readings?
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In article <34A7A55B.9E3A63BA@p...-ncs.com>, Mike Vande Weghe <vandeweg@parlance-ncs.com> writes (...) Thanks, I'm not using multiple processes, however i am using the servo routines, perhaps this has a similar effect? I will try putting in the hog (...) (27 years ago, 29-Dec-97, to lugnet.robotics.handyboard)
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| | Re: random dodgy sensor readings?
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About 2 weeks ago Bill Bynum sent in a fix for a bug that one of his students had discovered. The student was using multiple processes to read analog values, and noticed spurious readings. The problem caused by IC making context switches after the (...) (27 years ago, 29-Dec-97, to lugnet.robotics.handyboard)
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| | random dodgy sensor readings?
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Hello folks, Is it normal to get invalid 'active' signals from the analog inputs every so often? I have made a lego buggy which seeks out its way from a darkish room into another room and to a window using a light sensor mounted on a sweeping servo (...) (27 years ago, 29-Dec-97, to lugnet.robotics.handyboard)
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| | Non Volatile Memory 2
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What are the power requirements of the battery backed RAM and would it be possible to set this RAM up with a lithium battery similar to a PC so that the RAM would hold its memory for several years? (27 years ago, 28-Dec-97, to lugnet.robotics.handyboard)
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| | Re: a1e1
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The major difference is A1' has 256-Byte RAM while E1' has 512-Byte. Basically, A1 can be replaced by E1 in Handyboard. Best Regards, Patrick --00---...--- Low cost MIT Handyboard supplier and Official Distributor of Interactive-C 3.1 ** An (...) (27 years ago, 28-Dec-97, to lugnet.robotics.handyboard)
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| | Re: got 11
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Hello, This is one of the bugs of IC3.1 The Pcode was loaded into the board sucessfully. You should quit the IC3.1 program. Then turn-off and on of the Handyboard. You will see IC3.1 message on the LCD screen plus a "beep" sound. Run IC3.1 program (...) (27 years ago, 28-Dec-97, to lugnet.robotics.handyboard)
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| | (no subject)
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(27 years ago, 28-Dec-97, to lugnet.robotics.handyboard)
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| | got 11
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LS I try to connect to my board and I get these messages, does anybody know how to solve this problem ? Thanks. Synchronizing with board Pcode version 3.10 present on board Loading F:\Tools\handyboard\...ib_hb.lis. Loading (...) (27 years ago, 27-Dec-97, to lugnet.robotics.handyboard)
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| | a1e1
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Chao, I want to ask what the difference is between the E1 and A1 chip. Greetings, Jan. (27 years ago, 27-Dec-97, to lugnet.robotics.handyboard)
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| | Newbie user of imagecraft c.
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Is the assembler of the ICC11 fully comaptible with the as11 assembler??? I have messages of error with that sentences: asm("PORTA: EQU $1020"); asm("PORTB: EQU $1004"); asm("PORTC: EQU $1003"); asm("HPRIO: EQU $103C"); asm("DDRC: EQU $1007"); (...) (27 years ago, 26-Dec-97, to lugnet.robotics.handyboard)
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| | Re: This List is dead???
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German, You were probably removed from the list after your email address generated bounces. Please write me privately if you wish to be added back. Fred In your message you said: (...) (27 years ago, 26-Dec-97, to lugnet.robotics.handyboard)
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| | Imagecraft Help.
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I buy the imagecraft compiler . I use the handyboard and can't make work any code . I try to set the TEXT, DATA and STACK parameters and nothing occur. Somebody can teel me if i miss something?? Thanks in advance. (27 years ago, 24-Dec-97, to lugnet.robotics.handyboard)
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| | This List is dead???
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I don't have received mail from 9/12 . That list is dead or wath is happen. I miss something?? (27 years ago, 24-Dec-97, to lugnet.robotics.handyboard)
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| | ZTX614 now available in UK
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I have at last secured a stock of this device and can offer it for One Pound sterling including first class post or airmail to Europe and zone 1 countries. Please send stamps, postal order or cheque to the value of one pound and it will be sent by (...) (27 years ago, 23-Dec-97, to lugnet.robotics.handyboard)
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| | Poloroid Sonar driver
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I got around to changing to the new driver and hardware configuration last night. Afterwards, I found that the sonar was returning negative distances periodically. Here is my interpretation, but I'm probably wrong. Peekword returns a signed integer. (...) (27 years ago, 19-Dec-97, to lugnet.robotics.handyboard)
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| | Re: Control of MiniSC servo board
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A 9600 baud output driver is now available. Please see the Handy Board home page: (URL) your message you said: (...) (27 years ago, 18-Dec-97, to lugnet.robotics.handyboard)
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| | ir_xmit ?
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hello, again Im looking through emails from a LONG time ago (8+ months), and I come along a piece of code that uses the function ir_xmit_on(); and ir_xmit_off();. What lib do I need to be able to call this function? Have a MERRY christmas! phil (27 years ago, 18-Dec-97, to lugnet.robotics.handyboard)
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| | Kudos for Fred, Randy, and Anne, and a lib_hb.c tweak
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Hello, everyone: I want to express my appreciation to Fred Martin for the splendid job that he's done in designing the HandyBoard and devising the assembly instructions. I've built nine of the HandyBoards, and although I made a few mistakes along (...) (27 years ago, 17-Dec-97, to lugnet.robotics.handyboard)
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| | HandyBoard anb Logo ???
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Hi It's the first time I join this list, I was wondering if somebody could give me some biography or link about logo and robots. If I'm "off subject" or if you know a list more involved in this subject please let me know. I plan to use a handy board (...) (27 years ago, 17-Dec-97, to lugnet.robotics.handyboard)
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| | Dual Hall Effect Query
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Has anybody had any experience with the Micro 8SS27 dual hall effect sensor? I cant seem to get even the slightest response out of it! Do i need resistors of something in between the sensor and sensor port? Thanks in advance ___ IAN | |__ _______ (...) (27 years ago, 16-Dec-97, to lugnet.robotics.handyboard)
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| | Re: Yet another ??
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I don't really see the problem Randy as long as you remember to power cycle the board after every ping (pain in the butt) but until you get the TL851 that will have to do! The translation below should help I hope P.S let me know how it works out. (...) (27 years ago, 16-Dec-97, to lugnet.robotics.handyboard)
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| | Control of MiniSC servo board
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I picked up a MiniSC servo controller to experiment with. It is driven via serial however. I saw in the FAQ that it is possible to use the Handy Boards serial port, but I don't want to have to download a program to the HB, disconnect the phone jack, (...) (27 years ago, 15-Dec-97, to lugnet.robotics.handyboard)
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| | interrupts and digital outs
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Greetings, First of all, thanks to everyone who helped me with my hardware problems. They seem to be settled now. Now for the fun stuff! :) Anyway, we are trying to implement a polaroid transducer and we need some socket that we can control the (...) (27 years ago, 13-Dec-97, to lugnet.robotics.handyboard)
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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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| | trouble with memory
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Dear Fred Martin, I'm in deep deeeep trouble! A few weeks ago I first read about your handyboard and was very excited about it, because I was looking for a controller board for my autonomous vacuum cleaner. So I ordered the PCB from Douglas (...) (27 years ago, 11-Dec-97, to lugnet.robotics.handyboard)
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| | email change
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I know this probably isnt the right place to do this, but could you please change my email address from mdowney@eng.ua.edu to mdowney@dbtech.net Thanks....Sorry for the intrusion. Carry on! :) (27 years ago, 9-Dec-97, to lugnet.robotics.handyboard)
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| | (no subject)
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EAS is now taking orders for the Finger Board, a very small 68hc11 micro controller board with memory and I/O selects compatible to "Handy Board". You can easily design custom interface circuitry for it by using standard prototype boards. It runs (...) (27 years ago, 9-Dec-97, to lugnet.robotics.handyboard)
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| | Spectra sonar pin outs
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Here is the pin outs that you requested Randy. The board that you are talking about has a 17 pin SIP connector. What I did is remove this connector and solder a ribbon wire to the following pins: Signal Pin # (pin 17 and pin 1 should be labeled) GND (...) (27 years ago, 9-Dec-97, to lugnet.robotics.handyboard)
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| | Re: Interrupt Programming
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(...) (27 years ago, 9-Dec-97, to lugnet.robotics.handyboard)
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| | Re: Expected 141, Received 91, After 60 chars received
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Sorry, I'm running DOS 6.22 on an old Compaq 386 SX25. I've built one other board with this machine as the host, but I did download the latest IC zip file. (...) -- I am Bill of Micro$oft. You will be assimilated. Resistance is futi*&^%$#@ THIS (...) (27 years ago, 9-Dec-97, to lugnet.robotics.handyboard)
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| | Re: Expected 141, Received 91, After 60 chars received
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what is your OS. If you are using Win31/Win95, try HBDL.EXE instead of DL. fred In your message you said: (...) (27 years ago, 9-Dec-97, to lugnet.robotics.handyboard)
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| | Expected 141, Received 91, After 60 chars received
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I am assembling a Handy Board and I am getting the above error when I try to download the pcode_hb.s19 using dl (dl pcode_hb.s19 -port com1). I have just finished assembling section 6.0.4. Everything seems to have been working up to this point. I (...) (27 years ago, 9-Dec-97, to lugnet.robotics.handyboard)
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| | Re: Recycled Sonar units
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fyi The bad news: I did the same thing only to realize that the sonar unit in the Spectra uses a custom IC to control the transducer. The receive or analog IC is the same as the commercial ones. I did find out the pin outs to the connector but (...) (27 years ago, 9-Dec-97, to lugnet.robotics.handyboard)
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| | Re: PCBS IN THE UK
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(...) Yes I am in the UK, full address detailed below. The price of my boards is £19-50 for the pair (Handyboard and Charger/IF) which includes first class recorded delivery postage to anywhere in UK or airmail to Europe and any other zone one (...) (27 years ago, 8-Dec-97, to lugnet.robotics.handyboard)
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| | Re: High current speed controllers
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Whoops, the url for my H-bridge design should be: (URL) previous version was missing the 'robotics' in the middle. Thanks to Mike for pointing that out. --Chuck (27 years ago, 8-Dec-97, to lugnet.robotics.handyboard)
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| | Re: tracking an IR beacon
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If you want to get into _all_ the details of tracking you might see if the local library has a copy of "Tracking Multiple Targets with Examples from RADAR" published by ArTech House. This book is crammed with densely worded (and annotated with math) (...) (27 years ago, 8-Dec-97, to lugnet.robotics.handyboard)
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| | Re: High current speed controllers
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As for your question about controlling a motor with a PWM signal versus an analog level controlled by a power transistor, the issue is efficiency and power dissipation. If you use a power transistor to set the voltage at the motor, it will have to (...) (27 years ago, 8-Dec-97, to lugnet.robotics.handyboard)
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| | Re: High current speed controllers
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I designed a high-current H-bridge to use with my Handyboard (the specs are at (URL) heat sinks on the MOSFETs the bridge can control 50A. (You can substitute fets to get more power). The known problems with this design so far are that the power to (...) (27 years ago, 8-Dec-97, to lugnet.robotics.handyboard)
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