 | | Re: expansion board
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the code has not yet been written. My hope was that some people who got expansion boards might want to do some of the work themselves. For example, the code for dealing with the analog ports can be taken from previous code for the 6.270 board and (...) (29 years ago, 29-Mar-96, to lugnet.robotics.handyboard)
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| | expansion board
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Hi Everyone, I was wondering if someone could point me to where all the software for accessing the Handy Board's expansion board features are located. Specifically, I was wondering if there is code to access the additional A/D ports, servos, (...) (29 years ago, 29-Mar-96, to lugnet.robotics.handyboard)
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| | Re: 600 mA Limit
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(...) OK. I just wanted to make sure I'm understanding the material. So, my guess is that in order to drive the 4 motors off one chip, you would have to ground the other lead of each motor? So, does that mean that there is 2.4 A source from the chip (...) (29 years ago, 29-Mar-96, to lugnet.robotics.handyboard)
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| | Re: 600 mA Limit
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In your message you said: (...) Yes, that is what I mean. -Fred (29 years ago, 28-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Miniboard/Handyboard.
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it is only a difference in software. The Handy Board software does eight levels; the mini board software---which is different---does 16. -Fred -- This message was composed using Articulate Systems' PowerSecretary, a Macintosh-based speech-to-text (...) (29 years ago, 28-Mar-96, to lugnet.robotics.handyboard)
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| | Re: 600 mA Limit
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(...) You mean running FOUR motors uni-directionally from ONE L293D chip, right? ...and TWO motors bi-directionally from ONE L293D chip? (29 years ago, 28-Mar-96, to lugnet.robotics.handyboard)
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| | Miniboard/Handyboard.
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The Miniboard manual says that it can vary the motor speed at 16 levels at either direction. It was mentioned earlier that the Handyboard can vary only 8. Is this correct? I'm seeing that the Miniboard motor drivers has a higher resolution than the (...) (29 years ago, 28-Mar-96, to lugnet.robotics.handyboard)
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| | Re: 600 mA Limit
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I just realized that getting 1200 milliamps running two motors bi-directionally is equivalent to running four motors uni-directionally at 2400 from a total power dissipation standpoint. I.e., there are still 600 milliamps running through each (...) (29 years ago, 28-Mar-96, to lugnet.robotics.handyboard)
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| | Re: 600 mA Limit
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The 600 milliamp limit is per channel, but for a given motor, two channels are wired in series. So you don't get 1200 milliamps per motor but only 600. This would still yield 1200 milliamps per chip, since there are drivers for two motors. Also, if (...) (29 years ago, 28-Mar-96, to lugnet.robotics.handyboard)
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| | 600 mA Limit
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I was wondering if the 600 mA limit on the motor driver chip is a limit for the total source current of all four motor outputs or for each individual motor output. If its 600 mA for each motor output,...will the chip get hot when running with 4 (...) (29 years ago, 28-Mar-96, to lugnet.robotics.handyboard)
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| | Re: 1050mA Dc Motor
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If you use the Texas Instruments replacement for the L293D chip, you should be in business. Also, mini board questions should go to the robot board mailing list (see enclosed). -Fred -- This message was composed using Articulate Systems' (...) (29 years ago, 28-Mar-96, to lugnet.robotics.handyboard)
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| | 1050mA Dc Motor
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Hi everybody I want to know if I can drive a DC motor which need 1050 mA as a starting current, using the miniboard. Thanx. Hachemi. (29 years ago, 28-Mar-96, to lugnet.robotics.handyboard)
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| | How to free up OC2?
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I believe I can disconnect the OC2 pin from the unneeded IR-Xmit function, so I can divert it for my own use. Would that require any trace cutting, or perhaps removal of the LED Xmitter? Or, better yet, is it all a software change? Fred, I know (...) (29 years ago, 28-Mar-96, to lugnet.robotics.handyboard)
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| | Re: pneumatic arms
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(...) Try this site: (URL) may contain some info you need...perhaps? (29 years ago, 27-Mar-96, to lugnet.robotics.handyboard)
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| | Help!
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Hi everyone, I had posted a question or two and some of you had answered me with some helpful info. Unfortunately, I accidentally erased all my messages before I gat a chance to read and save them. So,...if any of you still have any message that was (...) (29 years ago, 27-Mar-96, to lugnet.robotics.handyboard)
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| | Re: icb fixed in IC 3.1
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(...) Guess it comes from trying to earn a living selling software :) At any rate, I had seen the workaround for free IC posted several times in the past week, so I thought I would add rather than repeat information. Sorry for the self-serving (...) (29 years ago, 27-Mar-96, to lugnet.robotics.handyboard)
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| | problems with ICB files
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oh come on, Randy, you're acting too much like a big software company! "Don't worry that that feature is broken, it will be fixed in our new version!"Most of the time, people would rather hear a workaround than be told to upgrade! Regarding the (...) (29 years ago, 26-Mar-96, to lugnet.robotics.handyboard)
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| | .icb files
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(...) I'd recommend moving up to IC 3.1. The current Windows and UNIX beta versions of IC 3.1 should accept .s19 files with any newline convention (CR, LF, CR-LF). (We're fixing that in the Mac IC beta soon). If you do get "illegal line in .s19" in (...) (29 years ago, 26-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Sony IR decoding routine!
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I downloaded the source code sony-ir.asm and assembled with asii_ic.bat and the resulting .icb file worked fine. I jumped the gun asking for help. Thanks any way. Ram. I'm having trouble getting sony-ir.icb to load. Every time I try, I get the (...) (29 years ago, 26-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Sony IR decoding routine!
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I'm having trouble getting sony-ir.icb to load. Every time I try, I get the following error message: FATAL INTERNAL ERROR: ILLEGAL LINE IN .s19 FILE I've re-downloaded and installed both the sony-ir.icb and pcode_hb.s19 files but continure to get (...) (29 years ago, 26-Mar-96, to lugnet.robotics.handyboard)
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| | pneumatic arms
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Since electric motors running off small, mobile power supplies tend to be weak and slow, I was considering designing a pneumatic arm powered by an onboard container of compressed air. Can anyone tell me where I can obtain pneumatic solenoids (...) (29 years ago, 26-Mar-96, to lugnet.robotics.handyboard)
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| | Get Alias Info
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Get Alias Info (29 years ago, 26-Mar-96, to lugnet.robotics.handyboard)
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| | process control question
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Hi all, I used the routines in Mobile Robot as a guide in building routines for my robot. I have an IR detector setup like the one described using the Sharp detector to detect left and right obstacles. I have a round robot with three bumper switches (...) (29 years ago, 26-Mar-96, to lugnet.robotics.handyboard)
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| | How to run 8 servos by adding one HC chip
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(...) Warning: I haven't tried the following idea. Single chip add-on to control 8 servos using one timer line and a few digital outputs: The 74HC238 is a 3 to 8 demultiplexor. (see (URL) for datasheets). Unlike the more common HC138, its outputs (...) (29 years ago, 26-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Get Alias Info
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In your message you said: (...) Arghh! The "get alias info" command is on the web pages, i.e., (URL) everyone, remember there is nothing automated about the handy board mailing list. to get on it, I must manually put you there. to get you off it, i (...) (29 years ago, 25-Mar-96, to lugnet.robotics.handyboard)
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| | Re: pulse trains
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(...) I'm doing signal conditioning for pan/tilt and (ultimately) drive/steer signals from an RC receiver and driving servos with the processed signals. All power for the servos is external, so all I need is signals through the Handyboard. -mike * (...) (29 years ago, 25-Mar-96, to lugnet.robotics.handyboard)
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| | Re: unsubscribe
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In order to be removed from the Handy Board mailing list, please send e-mail directly to me, Fred Martin. There is no need to announce your request to the entire list. Enclosed are instructions from the mailing list page on the web site. -Fred -- (...) (29 years ago, 25-Mar-96, to lugnet.robotics.handyboard)
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| | digital output
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Is it possible to use any digital output on the Handy Board without loosing the monitor (or anything else for that matter)? Scott sherman@plains.nodak.edu (29 years ago, 25-Mar-96, to lugnet.robotics.handyboard)
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| | unsubscribe
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unsubscribe (29 years ago, 25-Mar-96, to lugnet.robotics.handyboard)
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| | (no subject)
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UNSUBSCRIBE (29 years ago, 25-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Driving large motors with the Handyboard
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(...) Thanks for the tip. I got a hold of the book and read some of it. :) I was wondering if sending pulses to the motor would cause "choppy" rotation....or does it occur so fast that inertia effects make it "smooth". Also, with an h-bridge, is it (...) (29 years ago, 25-Mar-96, to lugnet.robotics.handyboard)
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| | pulse trains
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Mike, Out of curiosity, what are you using the pulse trains for? (If you're running multiple servos, I think I know a single-chip hardware mod to drive up to 8 servos from a single timer output.) -- Randy (29 years ago, 24-Mar-96, to lugnet.robotics.handyboard)
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| | TOC 2 & 3
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AAAARRRGGGHHHHHH!! After the pain of relearning assembler and getting interrupt routines to work, it seems my assumption of the availability of TOC 2 & 3 is incorrect. I need 2 (wanted 4) pulse trains to go out. According to the diagrams Fred (...) (29 years ago, 24-Mar-96, to lugnet.robotics.handyboard)
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| | Re: OC2 and OC3 outputs?
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Take a look at the schematics, which are linked from the top page of the Handy Board web site. The info you are looking for is in the CPU / memory schematic. For the DC Motor outputs, the board uses a separate output latch---not the timer outputs. (...) (29 years ago, 24-Mar-96, to lugnet.robotics.handyboard)
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| | DC Motor Position control
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I am wondering if anyone tried to write an IC program for DC motor position control using PID/P or whatever with a handyboard. I am also looking for a good precision DC motor (with encoder and gearbox integrated), I very appreciate your help for any (...) (29 years ago, 24-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Resets
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The MB design keeps ground in common, but the ground to the cpu, has an inductor in line with it, the HB also has a inductor on the ground side, I think. You might want to put an inductor on both sides of the motor, with a cap inbetween both of (...) (29 years ago, 24-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Resets
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If I add a separate motor power to the L293's, can I keep the ground lines common? If not, what pins are motor ground? (I know pins 4,5,12, and 13 are ground) Thanks. -John (...) (29 years ago, 23-Mar-96, to lugnet.robotics.handyboard)
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| | IC for Windows
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(...) We use Microsoft Visual C++ (v. 4.0). -- Randy (29 years ago, 23-Mar-96, to lugnet.robotics.handyboard)
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| | IC for Windows.
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Just outta curiousity, what was IC Win developed with? (29 years ago, 23-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Driving large motors with the Handyboard
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There are several ways to do this. In Mobile Robots, they talk about H bridge circuits. If you are doing less than 2A use a L298 and some some clamping diodes ( these keep the driver chip from being fried when you turn the motor off). The L298 has 2 (...) (29 years ago, 23-Mar-96, to lugnet.robotics.handyboard)
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| | Driving large motors with the Handyboard
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Hi. I'm kinda new at this. I was wondering if anyone can help me answer this question. If I wish to drive large motors with a Handyboard, I understand that I have to use an h-bridge. Will I need to know anything about PWM before attempting this (...) (29 years ago, 23-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Resets
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I have a few suggestions, these are all things that I have seen before to help reduce noise from motors I think that the problem might be due to crap getting back to the power line... thereby causing the DS1233 to say, time to reset... - try a (...) (29 years ago, 23-Mar-96, to lugnet.robotics.handyboard)
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| | OC2 and OC3 outputs?
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Where on the v1.2 board do I tie into the OC2, OC3, and OC4 output lines? Is there a schematic which has all the I/O pins labeled? I need to use the OC lines to output pulse trains. Does the library software use these ports for the motor() commands? (...) (29 years ago, 23-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Resets
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(...) I can't say that I have an explanation of why the motors would work at first and then cause problems later, but I can say that: Not all motors work with the Handy Board. In particular, motors that want to draw too much current (e.g., more than (...) (29 years ago, 22-Mar-96, to lugnet.robotics.handyboard)
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| | Analog semsor inputs.
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What is the range of detection of the analog sensors? Are there discreet detection levels that the hendyboard can recognize? (29 years ago, 22-Mar-96, to lugnet.robotics.handyboard)
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| | zener diodes
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Bad idea. A small difference in ref voltage will drive most of the current through one of the two. That's also why I believe that putting l293D in parallele is also a bad idea. In practice it seems that sometimes it works. It is just a bad design. (...) (29 years ago, 22-Mar-96, to lugnet.robotics.handyboard)
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| | zener diodes
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I'm trying to use zener diodes to regulate the voltage being supplied to some motors I'm using with the handy board. I'm curious, though, can zener diodes be placed in parallel to handle more current? My understanding of their properties isn't (...) (29 years ago, 21-Mar-96, to lugnet.robotics.handyboard)
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| | add to mailing list
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LS ``Please add me to the Handy Board mailing list'' Greetings, jluijk@xs4all.nl (29 years ago, 21-Mar-96, to lugnet.robotics.handyboard)
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| | Resets
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I traced my reset problem down to the fact that there is a ton of electrical noise in the chip power (+5V). The noise is there only when motors are running. After a minute or so of running the motors, I'll get a runtime error or the board will just (...) (29 years ago, 21-Mar-96, to lugnet.robotics.handyboard)
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| | RE: Motor control
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I would rather have use of the 0 to 8 range because many of the values in the 0 to 100 range simply fall into groups which give only 9 speeds. However, I do not support rewriting the IC code. Tom's suggestion, motor(1,value*14), is simple and meets (...) (29 years ago, 18-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Servos w/ the handyboard?
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(...) Yes. Just use the "servo.icb" and "servo.c" libraries that are distributed with Interactive C. This will convert the Handy Board's digital input 9 sensor (which is really a bidirectional counter/timer pin) into a stable servo control line. You (...) (29 years ago, 18-Mar-96, to lugnet.robotics.handyboard)
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| | address for RWI
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Try "jadietsch@activmedia.com" or "bkennedy@activmedia.com" -- Randy (...) (29 years ago, 18-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Motor control
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(...) <snip> (...) It would make more sense to just use motor(1,speed*14) This would give you the following: Value --> Speed 0 --> 0 1 --> 14 2 --> 28 3 --> 42 4 --> 56 5 --> 70 6 --> 84 7 --> 98 I wouldn't bother rewriting the routine. Tom (29 years ago, 18-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Motor control
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(...) Depends on how far you wish IC to go. Someday there could be another controller that allows 100 disrete levels. On the other hand that could be handled well by allowing the value to go to 100, and the code written to go to 8 would be kinda (...) (29 years ago, 18-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Motor control
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I like 0 to 8 better. Also is there any way to control the frequency at which the PWM works? I find that some of my motors deliver too much at step 1. How about if there was something like: motor( motornum, cycles_on, total_cyles); if you feed (...) (29 years ago, 18-Mar-96, to lugnet.robotics.handyboard)
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| | speed control encapsulation
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(...) This is the reason I remember for encapsulating the value. It wouldn't be hard to implement new speed control for the 6811 either which could do better than 9 divisions. One option is to leave the encapuslated interface, but make more (...) (29 years ago, 18-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Resets
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(...) Well that would do it---it would discharge your battery. You actually should be getting more like 9.6 to 10v from a fully charged battery. Why don't you get an adatper that works and charge your battery until it's slightly warm and then see if (...) (29 years ago, 18-Mar-96, to lugnet.robotics.handyboard)
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| | RE: Motor control
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Well if you believe in encapsulation it should be 0 to 100.0 %, then the implementation of the motor speed control could give its best effort in that regard. One of the things I hope to do on my Handyboard is set it up to run two of my PIC motor (...) (29 years ago, 18-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Resets
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Actually, when I first tried the new motors, I was able to use them for a while. It wasn't until I went to download a different program that it started happening. That's what's confusing me. Is it possible that the L293D is burned or something like (...) (29 years ago, 18-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Expansion Board
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Dear Luc, Thank you for your feedback regarding the Expansion Board. (Other users out there---what's going on?) To answer some of your questions: (...) you can try requesting a sample from maxim directly. They even let you do it from their web site: (...) (29 years ago, 18-Mar-96, to lugnet.robotics.handyboard)
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| | Motor speed question (premature)
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Hi, Sorry for my earlier question about the motor speed table. It was a bit premature. After boning up on PWM I found that the values selected represented the "fine" (i.e. less jerky) settings. There can be as many as 16 different steps that can be (...) (29 years ago, 18-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Resets
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Is it possible that your battery is simply discharged? Does the board exhibit the problem when you try driving the previous motors that did not give you a problem? Regarding the charge light on the serial board, are you sure that the charge rate (...) (29 years ago, 18-Mar-96, to lugnet.robotics.handyboard)
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| | Resets
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Hi. My board was working fine until I hooked up some different motors to it today. It seems that whenever I try to drive the motors the low battery light lights up and the board gets reset. I checked the battery and it reads 8.4V before and while (...) (29 years ago, 18-Mar-96, to lugnet.robotics.handyboard)
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| | IC 3.1b1 under Windows 3.1
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Hi Jeff, Thanks for your help. To our knowledge, no one has successfully run IC 3.1b1 under Windows 3.1 with using the win32s extension. We will look into what it will take to make future releases win32s-compatible, but for now, we apologize that (...) (29 years ago, 18-Mar-96, to lugnet.robotics.handyboard)
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| | Re:Motor speed table question
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(...) Sure, why not? The way the motor speed table works is that the number is bit shifted out to the motor. Each bit gets the same ammount of time. So if you don't want your motor to move, then you bit shift all zeros. If you want it to run at a (...) (29 years ago, 17-Mar-96, to lugnet.robotics.handyboard)
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| | Motor speed table question
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Can anyone explain why the values in the _speed_table were chosen. int _speed_table[]= { 0b00000000, /* speed 0 */ 0b00010001, 0b01001001, 0b01010101, 0b01010111, 0b01110111, 0b01111111, 0b11111111 /* speed 7 */ }; Can they be change to a linear (...) (29 years ago, 17-Mar-96, to lugnet.robotics.handyboard)
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| | unarchiving problems w/IC 3.1 for Win 95
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I just tried unarchiving IC 3.1 on my 486 at home, running Win 3.1, and Win 32s 1.25.141.0 (or so the win32s.ini file says). I'm having the same problem I had before, where all of the files have an "Inflating: ...." message in front of them. My (...) (29 years ago, 17-Mar-96, to lugnet.robotics.handyboard)
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| | Re: strange IC files?
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i think it would be good if beta users cc'ed their bugs along the handyboard list--I am interested in hearing how it's working but don't have time to bang on it directly. Perhaps others feel the same way. -Fred (29 years ago, 17-Mar-96, to lugnet.robotics.handyboard)
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| | Re: strange IC files?
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(...) I've tried unarchiving the program a couple times, on a couple different machines, which had a couple different copies of IC, with the same results. I'll try it on the PC I have at home, which I haven't gotten around to doing yet. I'm also not (...) (29 years ago, 17-Mar-96, to lugnet.robotics.handyboard)
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| | Re: strange IC files?
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|
(...) I just double-checked and downloaded IC 3.1 for Windows from our site, and had no such problem de-archiving it. All the files were fine, and IC runs fine straight out of the zip, at least on a Windows 95 machine. Has anyone else seen this (...) (29 years ago, 16-Mar-96, to lugnet.robotics.handyboard)
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| | IC 3.1 under Win 3.1
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(...) IC 3.1 certainly doesn't use that much memory! IC is a 32-bit application, which prevents running under vanilla Win 3.1, but it theoretically could/should work under win32s. We haven't yet tried it here (your feedback is the first we've (...) (29 years ago, 16-Mar-96, to lugnet.robotics.handyboard)
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| | strange IC files?
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|
I was just browsing the libs directory of IC 3.1 for Windoes, which I still havenb't been able to get working. I noticed, that at the beginning of every file, such as analogs.txt, there is the following message... inflating: libs/analogs.txt Low (...) (29 years ago, 16-Mar-96, to lugnet.robotics.handyboard)
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| | IC 3.1 with Win 3.1
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Has anyone tried running IC 3.1 for Win 95 on a win32s Windows 3.1 system? I njust tried it out, and the program complains of insufficient memory - on an 8 meg system, with no other applications running. Anyone have any idea what's wrong? (29 years ago, 16-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Motor control
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(...) Yes, and speed control is built in to the Interactive C motor function. motor(0, 100) turns on motor 0 at full speed; motor(0, 50) is half speed, etc. While we're on the topic, I am considering changing the speed argument, because in actuality (...) (29 years ago, 16-Mar-96, to lugnet.robotics.handyboard)
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| | Motor control
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I'm not to familiar with the motor chips. Does the handyboard allow for speed control of motors? (29 years ago, 15-Mar-96, to lugnet.robotics.handyboard)
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| | IC 3.1
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Is there any possibility of a version of IC 3.1 for Windows 3.1? I don't have access to _any_ machines running Win 95 right now, and I have a strong feeling that many others are in the same situation! (29 years ago, 15-Mar-96, to lugnet.robotics.handyboard)
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| | How to get OC2&3 to fire?
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Hi all, I'm trying to get OC2 & OC3 to fire by just setting the OC1 to set the lines high while OC2 and OC3 set them low after TOC2 and TOC3 counts, respectively, all without any interrupt code. It is not working. The program is running but my (...) (29 years ago, 15-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Handboard w/Servo Question
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(...) the code is contained in the freeware Interactive C distribution, in the libraries directory. It's named servo.c and servo.icb. There may also be a servo.lis file to load both of the other two. -Fred (29 years ago, 14-Mar-96, to lugnet.robotics.handyboard)
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| | Handboard w/Servo Question
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Hi, Could someone please repost (or mail me) the Servo Motor code and instructions for the Handyboard? I checked the mailing list archive and one of the first messages refers to an earlier message which had this information. (Which isn't in the (...) (29 years ago, 14-Mar-96, to lugnet.robotics.handyboard)
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| | Pioneer Robot.
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Hello all, I just visited the pioneer web page and I am interested in purchasing one. However, I was unable to find two vital pieces of information on that web site: What is the price of a robot? And how do I order one? Their internet order form is (...) (29 years ago, 14-Mar-96, to lugnet.robotics.handyboard)
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| | LCD help
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I have build the board described in my book "Mobile Robots" which is a great book. I just got the board going after realizing it isn't a good idea to assume the pin outs of all 32K x 8 ram chips is standardized :) I was hoping someone could help (...) (29 years ago, 14-Mar-96, to lugnet.robotics.handyboard)
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| | Sony transmission routines uploaded to cherupakha
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I have placed copies of sony-transmit.asm and sony-transmit.icb in the directory /pub/incoming/ic_contrib/mccap/ on cherupakha.media.mit.edu. Several people have requested the precompiled .icb version, and perhaps there are others who want it but (...) (29 years ago, 14-Mar-96, to lugnet.robotics.handyboard)
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| | Expansion Board
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I built 2 of those. I continue to applaud everyone involved with this project . It is awesome. I know have 3 Handy boards and am teaching programming and robotics to my kids, i love it. I am also using it to control a 5DF motion controlled camera. (...) (29 years ago, 13-Mar-96, to lugnet.robotics.handyboard)
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| | Re: robot base
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Doesn't Real World Interfaces make a nifty 3 wheel synchro-drive platform (that's just a platform)? I'm not sure how in/expensive it is, but it might be a good starting point... Hope this helps. - a (...) > Yes, I've looked into the Pioneer br Real (...) (29 years ago, 13-Mar-96, to lugnet.robotics.handyboard)
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| | Oops! (new web site for Pioneer)
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(...) Oops! It looks like they changed their web site around this morning (!) The address did in fact work last night (pasted it from my composed mail message straight into Netscape :) ) It looks like the new Pioneer home page is at: (URL) Randy (29 years ago, 13-Mar-96, to lugnet.robotics.handyboard)
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| | Re: robot base
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(...) Yes, I've looked into the Pioneer br Real World Interfaces, Inc. It's a nice piece of work, but I think I need something a little more flexible. The Pioneer has its own built in sensors already. I would like build my own sensor systems and (...) (29 years ago, 13-Mar-96, to lugnet.robotics.handyboard)
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| | robot base
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The Pioneer is a commercially-available robot base. It has a 6811 board that can run IC, and can also carry and power a laptop computer. Check out (URL) Randy (...) (29 years ago, 13-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Unsubscribe
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you are unsubscribed. In case any one else is wondering, the proper procedure for getting unsubscribed -- as indicated on the mailing list page -- is to send a private e-mail to me. Thanks. -Fred (29 years ago, 12-Mar-96, to lugnet.robotics.handyboard)
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| | Re: L293 B/D/E
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In your message you said: (...) no, you can't use the type B. See the HB FAQ for an explanation of this: (URL) am pretty sure the "E" is not compatible either -- it has 20 pins, right? sorry, but you need a D, or the TI replacement part indicated in (...) (29 years ago, 12-Mar-96, to lugnet.robotics.handyboard)
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| | Unsubscribe
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This is a request to remove the following address from your mailings list: cjohnson@qco.com (or any other person at qco.com) If this message is not sufficient to remove us from your mailings list, please advise as to proper procedure. (29 years ago, 12-Mar-96, to lugnet.robotics.handyboard)
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| | Re: L293 B/D/E
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Hi Petteri (et all), Partial answer to your question is on FAQs at HB www page. Some more info comes from and old message by Randy Sargent on the HB list. Sorry but no idea about the E type. Julio Fernandez Spain (...) ---...--- (from FAQs) at (URL) (...) (29 years ago, 12-Mar-96, to lugnet.robotics.handyboard)
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| | L293 B/D/E
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It seems to be a bit difficult to find those L293D motor drivers here in Finland. But types B and E are available. What is the difference between types? Is it OK to use type B with HB? I don't have the data sheets available, so helpful information (...) (29 years ago, 12-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Occasional Problem
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You may be doing this from a DOS window in a Windows 95 environment. If you have your network applications running in the background and if there is large data transfer in the background (in my case NETSCAPE updating certain screens automatically, (...) (29 years ago, 12-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Max poke rate?
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(...) One option might be to try Kurt Konolige's IC compiler. I believe it only runs on a Unix machine, but you are able to compile programs for greater speed. Check out (URL) ___...___ Tom Cicatelli cica@tiac.net Melrose, Massachusetts ___...___ (29 years ago, 12-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Max poke rate?
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(...) I think the Interactive-C overhead will prevent such fast repetition. Simple statements take about a millisecond, with printf's taking 10 msec. You'll probably have to do it in assembler, and use an .icb file. Hope this helps... -mike * (...) (29 years ago, 11-Mar-96, to lugnet.robotics.handyboard)
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| | reverse video in IC?
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Is it possible to use printf to display reverse video on the handy board's LCD screen? I'm thinking about creating a menu system for my robot, and inverse video would be nice... Just curious! (29 years ago, 11-Mar-96, to lugnet.robotics.handyboard)
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| | Max poke rate?
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Hi, I've been trying to write to PD2 using the following: int write_port(int port, int value, int mask) { poke(port,(value & mask)|(peek(port) & ~mask)); } It works fine except that the fastest cycle that I can get out of PD2 is about 242 Hz. I need (...) (29 years ago, 11-Mar-96, to lugnet.robotics.handyboard)
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| | synchronization problem with old IC
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Hi Will, I'm assuming that you're using IC 2.81 on an IBM PC? One possible cause is that since IC 2.81 is a DOS program, the serial communication routines for old IC is flakey under a DOS box under Windows. Please run with the window in full-screen (...) (29 years ago, 11-Mar-96, to lugnet.robotics.handyboard)
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| | Occasional Problem
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I have a problem, which is more an inconvienve. At first my HB does not load IC correctly. But after five or so repeats of the below procedure, it works like it should: dl pcode_hb.s19 Everything is OK here. ic Below is reported: Attempting to link (...) (29 years ago, 11-Mar-96, to lugnet.robotics.handyboard)
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| | Re: hbdl users -- please check in
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I used hbdl.exe from windows 96 to download pcode_hb.s19 and it worked just fine. Here are the details about my system. I downloaded through COM1: PENTIUM P5/100 (Gateway 2000 system) Windows 95 68HC11A1FN Thanks Ram. (...) ---...---Dr. M. K. (...) (29 years ago, 11-Mar-96, to lugnet.robotics.handyboard)
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