 | | Re: Burning hot motor driver chips.
|
|
Anthony, (...) Yes it sounds like it. (...) It does. The L293D still works after it cools off, doesn't it? (...) I suspect you are going to need more than just two piggy backed L293D. (...) You might have a look at Ben Wirz website, he sells various (...) (27 years ago, 9-Nov-97, to lugnet.robotics.handyboard)
|
| |
| | Burning hot motor driver chips.
|
|
After not doing anything with my HB for a few months, I decided to buy a cheap RC car and use it as a platform. Anyway, I get a car that takes 6 AA batteries because I figure that the main motor is probably 9v (maybe that was a faulty assumption). (...) (27 years ago, 9-Nov-97, to lugnet.robotics.handyboard)
|
| |
| | Re: Shaft Encoders
|
|
(...) We used the line of "S1" optical encoders from US Digital Corp. ((URL) and found them to work superbly. The encoders are light (~.07 lb) and small (~1.7" x 1.3"). The company is a "Value Added Retailer" and adds housings/bearings/whathaveyou (...) (27 years ago, 8-Nov-97, to lugnet.robotics.handyboard)
|
| |
| | IR devices
|
|
I recently opened up a mouse (the computer kind, not the live kind) and found what I assume to be 2 IR shaft encoders which it uses to translate the direction you are moving the mouse. Is there a way that I could remove them and turn them into shaft (...) (27 years ago, 7-Nov-97, to lugnet.robotics.handyboard)
|
| |
| | Re: Help in Assembler
|
|
What is "ORG"? Does it matter what number you use? Is the number a memory location? Thanks for any help! :) ---...--- ericson mar Master of Engineering Candidate Project: Mobile Robotics mar@cooper.edu (212)353-4356 Department of Mechanical (...) (27 years ago, 7-Nov-97, to lugnet.robotics.handyboard)
|
| |
| | Procedure to get off mailing list?
|
|
Hi all, I was wondering how do I get off this mailing list? Thanks..... ===...=== Dale Bergman P.Eng Systems Engineer T Telehealth Solutions Computing Devices Canada. 1020 68th Ave N.E. Calgary, Alberta, Canada. T2E 8P2 Voice: (403)295-6778 Fax: (...) (27 years ago, 7-Nov-97, to lugnet.robotics.handyboard)
|
| |
| | Re: Shaft Encoders
|
|
Has anyone used an comercial optical encoder to monitor wheel velocity on their robot? Most of the ones i have seen use between 100 and 500 pulses/rev. This is a lot for the little software driven encoder routines to keep up with. I was just (...) (27 years ago, 6-Nov-97, to lugnet.robotics.handyboard)
|
| |
| | Re: Shaft Encoders
|
|
On Wed, 5 Nov 1997, David W. Kammer wrote: We are interested in connecting two shaft encoders to the wheels of our (...) You did not give specifications! Degrees/pulse (optical) or degrees/volt (resistor or LVDT), Speed maximum, Shaft size, and etc. (...) (27 years ago, 6-Nov-97, to lugnet.robotics.handyboard)
|
| |
| | UK SUPPLIERS OF PCBS
|
|
Bill, BB> Does anyone know of UK suppliers for Handy Board PCBs and/or BB> component kits. I looked around a bit for a UK supplier too and found.. well, zip, nothing. So eventually I ordered a Handyboard PCB from Douglas Electronics in California. (...) (27 years ago, 6-Nov-97, to lugnet.robotics.handyboard)
|
| |
| | setting config reg with Win95
|
|
We are currently building a dozen Handy Boards here at the Missouri Area Robotics Society (MARS). Everything is going very well for us, except for the members who are using Win95. The problem has been getting the config register set to 0xC0 with (...) (27 years ago, 6-Nov-97, to lugnet.robotics.handyboard)
|
| |
| | Australian Suppliers
|
|
Does anyone know if there is anywhere in Australia that sells Handyboards in either kit form or the PCBs? ___...___ David Perrett Product Development Engineer VIAscan Quality Assessment E-mail: dperrett@vqa.gov.au Phone: 3807 8622 Fax: 3807 8633 (...) (27 years ago, 6-Nov-97, to lugnet.robotics.handyboard)
|
| |
| | Re: Help in Assembler
|
|
(...) I think this might be what you want to do: varind FCB $00 * 0 <= varind <= FF ORG $c100 * some location of table var1 FCB 1 var2 FCB 7 var3 FCB 4 . . . varN FCB ? . . tabadr FDB #$c100 * address where table is stored start ORG $c000 LDX tabadr (...) (27 years ago, 6-Nov-97, to lugnet.robotics.handyboard)
|
| |
| | Help in Assembler
|
|
Hi, Consider a part of a program: var1 FCB 1 var2 FCB 7 var3 FCB 4 . . . varN FCB ? If I want to use a variable (say X) to determine when to use "var1" to "varN", how can I do this (other than a whole bunch of CMP's). (i.e. when X = 3, I want to (...) (27 years ago, 6-Nov-97, to lugnet.robotics.handyboard)
|
| |
| | Shaft Encoders
|
|
We are interested in connecting two shaft encoders to the wheels of our Handy Board - controlled mobile robot and use the ICW encoder instructions. Does anyone know of a good source of encoders? Is there anyone willing to share your experience with (...) (27 years ago, 5-Nov-97, to lugnet.robotics.handyboard)
|
| |
| | Expansion (infinity and beyond !!!)
|
|
Dear All, OK people, Challenge time while Freds away !! I am trying to work out some code (without the aid of a HandyBoard !) My C is a bit limited, so any help would be gratefully received. I would like to add another 74HC374 to the board, with its (...) (27 years ago, 5-Nov-97, to lugnet.robotics.handyboard)
|
| |
| | Manual for 68HC11, etc.
|
|
You can get the manuals sent to you (completely free) by filling in the literature request form at : (URL) is a link to the index of the available manuals, I found that the manuals I found useful where : M68HC11RM/AD The 68HC11 Reference Manual (...) (27 years ago, 5-Nov-97, to lugnet.robotics.handyboard)
|
| |
| | Intial Download Problems
|
|
Fred and others, I wrote before saying that my HB is not able to execute IC. Fred wrote back with the idea of it being related to the 68HC11, the memory or the 74HCs. Since I am not the richest of all college students, I am not able to just buy a (...) (27 years ago, 4-Nov-97, to lugnet.robotics.handyboard)
|
| |
| | Modified Pcode!
|
|
Has anyone modified the pcode to page a second 32k ram chip using TOC5? Is it possible? Tim North tim.north@symbios.com (27 years ago, 4-Nov-97, to lugnet.robotics.handyboard)
|
| |
| | Re: Cost of PCBs in UK
|
|
I have replied to Colin personally on this, apoligising for flaming him on the board prices. Since no one seems to do the kits in the uk (yet), I was looking to pick one up there. However the cost of three months away is such I think I'm in no (...) (27 years ago, 4-Nov-97, to lugnet.robotics.handyboard)
|
| |
| | Cost of PCBs in UK
|
|
(...) If anyone else finds the price of my Handy Board PCBs excessive please contact me directly rather than placing this type of comment on the list. I will happily discount the price, to cost if necessary, to students and anyone else with a (...) (27 years ago, 4-Nov-97, to lugnet.robotics.handyboard)
|
| |
| | Expanding HandyBoard
|
|
Can I use more 74hc374s in conjunction with the Y0 to Y5 lines on the Expansion bus to give me more digital outputs. Could I then just "poke" to change values. Has anyone done this, or is it indeed possible ??? On another note, I'm going to (...) (27 years ago, 3-Nov-97, to lugnet.robotics.handyboard)
|
| |
| | How do I leave the list ?
|
|
I no longer have the time to read so many messages. Ho do I leave the list for the HB? David Burleson smp@visuallink.com (27 years ago, 2-Nov-97, to lugnet.robotics.handyboard)
|
| |
| | any handy board user in Luxembourg / Europe
|
|
Hello, I know this isn't the right place for this type of question but I wanted to know if there are any handy board users in Luxembourg / Europe. Please e-mail to: patrick.birgen@ci.educ.lu thanks a lot Patrick (27 years ago, 1-Nov-97, to lugnet.robotics.handyboard)
|
| |
| | Re: average_sensor
|
|
Hi Tery, The average_sensor() procedure prodive average reading of a given analog port (the first parameter of the function). The result of the sensor value is then stored a the given variable via the pointer given to the function via the second (...) (27 years ago, 1-Nov-97, to lugnet.robotics.handyboard)
|
| |
| | average_sensor
|
|
Could someone please show me how to use this function by example, It will load but I don't know what to ask when trying to use. This example is on page 22 of the IC manual for the handy board. Thanks in advance. Terry Gathright void (...) (27 years ago, 1-Nov-97, to lugnet.robotics.handyboard)
|
| |
| | RE: qt movie of honda's 2 legger robot... PLLL...LLLEEE...EEEZZZ read instructions....
|
|
Yer the man..... thanks.... -----Original Message----- From: Bill Richman [SMTP:bill_r@inetnebr.com] Sent: Thursday, October 30, 1997 9:01 PM To: handyboard@media.mit.edu Subject: Re: qt movie of honda's 2 legger robot... PLLL...LLLEEE...EEEZZZ read (...) (27 years ago, 31-Oct-97, to lugnet.robotics.handyboard)
|
| |
| | Re: qt movie of honda's 2 legger robot... PLLL...LLLEEE...EEEZZZ read instructions....
|
|
The link I believe you are looking for is: (...) -Bill Richman bill_r@inetnebr.com (URL) ---...--- "When they took the fourth amendment, I was quiet because I didn't deal drugs. When they took the sixth amendment, I was quiet because I was innocent. (...) (27 years ago, 31-Oct-97, to lugnet.robotics.handyboard)
|
| |
| | Re: Assembler monitor for HB
|
|
Please tell me if you have any luck with the buffalo-on-handyboard. There seems to be a reasonable amount of interest on this thread! Craig (...) (27 years ago, 31-Oct-97, to lugnet.robotics.handyboard)
|
| |
| | RE: 2-legger
|
|
Damn it!!!!!! It was on the tip of my toung!!!! I sware!!!!! ;-) -----Original Message----- From: Patrick Cutts [SMTP:patrick@surfari.net] Sent: Thursday, October 30, 1997 2:06 PM To: handyboard@media.mit.edu Subject: 2-legger << File: ATT00001.htm (...) (27 years ago, 30-Oct-97, to lugnet.robotics.handyboard)
|
| |
| | i am pleased...
|
|
To see that a few people are interested in the file... (and that they follow directions well... ;-) I will send it once tomorrow to appease the first few... all responses I receive after tomorrow will have to wait a week just so I don't leave out (...) (27 years ago, 30-Oct-97, to lugnet.robotics.handyboard)
|
| |
| | 2-legger
|
|
How about 'bipedal'? (...) better than 2 legger... if there is a >better word.. please inform me...) (27 years ago, 30-Oct-97, to lugnet.robotics.handyboard)
|
| |
| | qt movie of honda's 2 legger robot... PLLL...LLLEEE...EEEZZZ read instructions....
|
|
I have a 1 meg quicktime movie of the honda hominid robot.... (I'm saying hominid because it sounds better than 2 legger... if there is a better word.. please inform me...) If you want it... e-mail me with the words "GIVE IT TO ME" in the (...) (27 years ago, 30-Oct-97, to lugnet.robotics.handyboard)
|
| |
| | MIT Cricket IR Communications
|
|
I have been reading the information about the MIT Crickets on the MIT website and was wondering if Fred is able to provide any information on how this is performed. I realise from the web pages that some of the information is confidential and (...) (27 years ago, 30-Oct-97, to lugnet.robotics.handyboard)
|
| |
| | Re: Construction problem
|
|
One other thing. When I try to load IC, it never syncs with the HB. I am fairly certain that I have IC configured correctly. (...) ___...___ ___...___ Jonathan Swaby 305 Sparks Bldg Computer Support Specialist 814-865-0693 Penn State University (...) (27 years ago, 30-Oct-97, to lugnet.robotics.handyboard)
|
| |
| | Construction problem
|
|
Initially, I was not able to get the board to config at 0x0c. I got this to work by using DL and some of its command line options. Once I got this to work and set config at 0x0c, then HBDL worked just fine. My new problem is that I can not get the (...) (27 years ago, 30-Oct-97, to lugnet.robotics.handyboard)
|
| |
| | followup: Initial Download Problems
|
|
just to add a bit, the chips that can be bad if you can't bootstrap are the 6811, the RAM, the 'hc04, and the soldered-down 'hc373. If you have any easy way of swapping first 3 of these 4 these chips, try it. Fred (...) ? (...) co (...) (27 years ago, 30-Oct-97, to lugnet.robotics.handyboard)
|
| |
| | Re: serial interface
|
|
Lisa you could also use the HEXMON40 program you might already be familiar with from the Mini Board. Basically all you have to do is change the motor out and vector location definitions. See the FAQ for the memory map of the Handy Board. (URL) your (...) (27 years ago, 30-Oct-97, to lugnet.robotics.handyboard)
|
| |
| | Re: Initial Download Problems
|
|
you easily could have blown chips if the vreg was shorted. then you're putting the direct batt voltage into the chips. just about any chip could be blown. sorry for the bad news! i'd try ordering the socketed parts from jameco and swap chips. fred (...) (27 years ago, 30-Oct-97, to lugnet.robotics.handyboard)
|
| |
| | Re: serial interface
|
|
[Lisa Meeden] spake unto the ether: (...) Hi Lisa, I wrote the conio.c etc. stuff, but purposely didn't write any kind of command/telemetry protocol like you're suggesting. If a polled serial I/O environment on the HB side is good enough for your (...) (27 years ago, 29-Oct-97, to lugnet.robotics.handyboard)
|
| |
| | Re: tic2int
|
|
(...) You are indexing off the X register without ever setting it. To access the TIC2INT interrupt vector I think you first need to do LDX #$BF00 To access the other things like TCTL2 etc first do LDX #$1000 Good luck, /Max (27 years ago, 29-Oct-97, to lugnet.robotics.handyboard)
|
