 | | Re: No heartbeat when switch on
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did you try reloading the operating program, pcode_hb.s19? use hbdl on windows or 6811 downloader mcl on macintosh. this program (pcode_hb.s19) must be resident on the HB at all times. it sounds like for whatever reason it got corrupted. this isn't (...) (27 years ago, 13-Jul-99, to lugnet.robotics.handyboard)
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| | No heartbeat when switch on
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Hello I had used the HB for a few days already. Recently when I used the HB to drive 4 9V motors, the L293D chips got very hot. After that it LEDs start lighting up without the software turning on the motors. So I replace the L293D chips. Now when I (...) (27 years ago, 13-Jul-99, to lugnet.robotics.handyboard)
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| | Re: Subsumption Architecture
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"Eat Bugs!" wrote: [snip] (...) Jonathan: As a relative newbie I'd be very interested in seeing a HandyBoard code (IC and assembler) site. Copying and then modifying other people's code has been a great learning tool for me. Copying one person's (...) (27 years ago, 13-Jul-99, to lugnet.robotics.handyboard)
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| | Re: Subsumption Architecture
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(...) I have used this method, to great effect. It seemed upon first try that it was just too darn big to do any good, but if you're creative it's really pretty efficient. I *would* share my code, but it all burned up in a fire (he-he). Actually, I (...) (27 years ago, 12-Jul-99, to lugnet.robotics.handyboard)
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| | Re: Problem with accessing analog and digital ports on HB with IC2.81
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you have to use the HB libraries; you're probably using the 6.270 Board libraries. get the new libs from (URL) . run 'ic -config' to change the default library to lib_hb.lis. fred In your message you said: (...) (27 years ago, 12-Jul-99, to lugnet.robotics.handyboard)
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| | Re: Subsumption Architecture
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(...) Nick, I used Handy Boards in my AI class last year and have several labs available on the web. Check out the link: (URL) look at the "Lab 3" link for some starter code on subsumption architecture. Lisa (27 years ago, 12-Jul-99, to lugnet.robotics.handyboard)
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| | Problem with accessing analog and digital ports on HB with IC2.81
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Hello, (newbie warning - I've read the FAQ and manuals, but I may still be missing something very trivial. Still, thanks for making it so far!) I just bought a handyboard from Gleason Research (with the expansion board) and started going through the (...) (27 years ago, 12-Jul-99, to lugnet.robotics.handyboard)
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| | TAKE ME OFF THIS LIST ***
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Ive tried the method described @ the web site but it doesnt seem to work can you please take me off the list I no longer wish to recieve it. Thanks -Mike (27 years ago, 11-Jul-99, to lugnet.robotics.handyboard)
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| | Re: encoders and analog ports
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(...) well once again i've learnt the hardway. always get the latest software. downloaded the new libs, and that fixed me up. i was using the libs from when i first started with the hb (years ago). all my analogs are stable again. i am very happy. (...) (27 years ago, 11-Jul-99, to lugnet.robotics.handyboard)
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| | Re: encoders and analog ports
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are you using the .icb version of the analog driver? make sure you are using the latest set of libraries for the HB from the web site. i'm just guessing at this point. next follow up, please provide a listing of exactly what lib files are being (...) (27 years ago, 10-Jul-99, to lugnet.robotics.handyboard)
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| | serial servo controller
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Does anyone here have experience with the NetMedia Servo 8 Torque controller board. Available from: (URL) $60 post paid. It controls up to 8 servos and provides position and torque feedback for each servo upon request. Looks good for my walker. Any (...) (27 years ago, 10-Jul-99, to lugnet.robotics.handyboard)
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| | Subsumption Architecture
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Hello All: Reading "Mobile Robots" by Jones & Flynn has gotten me interested in implementing subsumption architecture (also known as behavior control) on my HandyBoard. I've found one site that has related material: (URL) How many of your are (or (...) (27 years ago, 9-Jul-99, to lugnet.robotics.handyboard)
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| | Re: encoders and analog ports
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thanks fred. i'm now using the servo_a7.icb routines to drive my servo. i am still experiencing problems with the analog ports. i have cascading if then else statements that yield varying responses from my 5 analog ldr's. i have put printf's (...) (27 years ago, 9-Jul-99, to lugnet.robotics.handyboard)
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| | Re: Opto-reflector
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Hi, it seems that my opto-sensor is not fast enought to "catch" the black & white strip which stick on the robot wheels running at 25rpm. Maybe it is due to the program timing with the start_process command. Or maybe I need to replace it with shaft (...) (27 years ago, 9-Jul-99, to lugnet.robotics.handyboard)
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| | Sonar numbers
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I connected my 6500 series sonar ranging module to my expansion using the 9 pin connector. I called the function sonar_display() and got a clicking sound. The numbers being displayed to the LDC are between 1254 and 1301. Moving an object to and from (...) (27 years ago, 8-Jul-99, to lugnet.robotics.handyboard)
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| | Re: encoders and analog ports
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my shaft encoder routines are not compatible with the old servo routines. please try the new servo routines at (URL)hi there (...) (27 years ago, 8-Jul-99, to lugnet.robotics.handyboard)
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| | encoders and analog ports
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hi there i'm not yet receiving this list so could any replies please not leave out my direct email. my problem is thus. i've got 5 of the hb's analog ports used by ldr's. they all work fine and have done so as line detectors for 3 years now. i have (...) (27 years ago, 7-Jul-99, to lugnet.robotics.handyboard)
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| | Re: loading code
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(...) Hi Bill ... Kill the #include ... IC doesn't use any header files. RTFM at: (URL) fun, - Nick - (27 years ago, 7-Jul-99, to lugnet.robotics.handyboard)
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| | loading code
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What is the first line to use for any IC program??? I'm using #include <stdio.h> and kepp getting compile errors. Tried variations but no luck. Thanks a lot! (27 years ago, 7-Jul-99, to lugnet.robotics.handyboard)
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| | Ferret Bomb Disposal Unit
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Anyone heard of this Robot? It supposed to be used in the NYC Bomb Squad. Know anywhere I can find a site or more info on it? Thanks. ---...--- ericson mar Robotics Consultant mar@cooper.edu (212)353-4356 Department of Mechanical Engineering The (...) (27 years ago, 7-Jul-99, to lugnet.robotics.handyboard)
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| | Re: Cannot Find pcoder22.s19
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(...) I think everybody had that problem at first, because the default setup for IC tries to use that file. The pcoder22.s19 is not supposed to be used for the HandyBoard (I think it's for the MIT robotics course). Your HB needs the pcode_hb.s19 (...) (27 years ago, 6-Jul-99, to lugnet.robotics.handyboard)
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| | Communication
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Oh.....Never mind. There WAS one too many IC directories on the computer here. Sorry to bother you... Carry on... (27 years ago, 6-Jul-99, to lugnet.robotics.handyboard)
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| | Communicating with board
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Hello, I am getting a message when I try to connect with the board that says "Cannot find \ic\libs\lib_hb.lis" I loaded a program onto the handyboard from my computer at home- everything looked good. When I brought it in, I tried to connect here and (...) (27 years ago, 6-Jul-99, to lugnet.robotics.handyboard)
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| | Cannot Find pcoder22.s19
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Hi Folks, I just purchased a Handy Board and am trying to get started with it. When I try to download the p-code, I get the message that the download was successful, but also the message "cannot find pcoder22.s19 or /ic/libs/pcoder22.s19". I've (...) (27 years ago, 5-Jul-99, to lugnet.robotics.handyboard)
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| | servo timing
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Hi all, I have an interesting problem with the servo routines. I am using them to control a speed control. From the IC command line, I am able to control the ESC (and hence the motor) perfectly. From a simple test program, I can also do this. But (...) (27 years ago, 5-Jul-99, to lugnet.robotics.handyboard)
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| | RE: Startup
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Ronald, (...) I think the serial board is working fine. I tried the loopback test as mentioned in the (URL) everything seems ok. My concern is that since the green and Red LEds on the HB don't seem to come one (EVER blink or otherwise) I am (...) (27 years ago, 4-Jul-99, to lugnet.robotics.handyboard)
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| | Re: Startup
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(...) What version of IC are you using? I had all kinds of serial port troubles with the freeware version running on fast (Pentium and up) machines. The commercial version runs well on fast machines under Win95, has a slick interface and is cheap. (...) (27 years ago, 4-Jul-99, to lugnet.robotics.handyboard)
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| | Startup
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Hi all, Reading from the tons of the listings, I see that many of you are veterans in the HB. I recently bought a preassembled HB. I havn't soldered the battery case to the board, however, I have bought a 12V 500mA external adapter. I thought I (...) (27 years ago, 4-Jul-99, to lugnet.robotics.handyboard)
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| | pcode for IC ver3.2 with smooth PWM
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Does anybody know were I can obtain the latest pcode version for IC 3.2 with the smooth PWM built in. Thanks in advance (27 years ago, 3-Jul-99, to lugnet.robotics.handyboard)
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| | Robotic Wheelchair in Wall Street Journal
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Check out today's Wall Street Journal, Page B1, above the fold, for an in depth article with much better photos than on the web site. I'm sure it's on the WSJ web site, too, but I haven't checked. Bill Richman (...) RMT (27 years ago, 1-Jul-99, to lugnet.robotics.handyboard)
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| | Re: Robotic Wheelchair
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(...) There's an on-line blub about it at: (URL) wild!!! Bill Richman incolor.inetnebr.com/bill_r (Home of the COSMAC Elf microcomputer simulator!) (27 years ago, 1-Jul-99, to lugnet.robotics.handyboard)
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| | Re: Robotic Wheelchair
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Is anyone familiar with Fuzzy Logic - 'cause that's how they do it........ (...) (27 years ago, 1-Jul-99, to lugnet.robotics.handyboard)
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| | Re: LM35 Temp Sensor TRICK FOR USE
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Anybody catch the segment last night on the robotic wheelchair. I think it was on Dateline. Watching it climb stairs was impressive, but seeing the chair stand upright on two of its four wheels while the occupant caught a 25lb sack of lead, all (...) (27 years ago, 1-Jul-99, to lugnet.robotics.handyboard)
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| | Re: Robotic Wheelchair
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I did see that! Very impressive, as long as you don't run into an object below the CG while up on two wheels :-). They have probably thought of that already. This is the kind of good work that people in robotics can do. There are other "robots" in (...) (27 years ago, 1-Jul-99, to lugnet.robotics.handyboard)
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| | Robotic Wheelchair
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Anybody catch the segment last night on the robotic wheelchair. I think it was on Dateline. Watching it climb stairs was impressive, but seeing the chair stand upright on two of its four wheels while the occupant caught a 25lb sack of lead, all (...) (27 years ago, 1-Jul-99, to lugnet.robotics.handyboard)
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| | Help needed with bootstrap mode
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I have a problem getting handy board into bootstrap mode. I'm now in the face six (installing lcd screen and downloadin ic). It worked earlier, but now it just won't go into bootstrap mode. I have tested the switch and traced wires from it to the (...) (27 years ago, 1-Jul-99, to lugnet.robotics.handyboard)
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| | Subject information
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This is a side issue, I know, but there seems to be a lot of mail recently without a subject. Please try to include a descriptive subject for your posts. (...) (27 years ago, 30-Jun-99, to lugnet.robotics.handyboard)
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| | (no subject)
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can the 68hc811e2fn be used insead of hc11a1fn? what mods would i have to make? thanks phil (27 years ago, 30-Jun-99, to lugnet.robotics.handyboard)
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| | Re:
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Fernando: This is not too much information to go by, but here are some thoughts. 1. If you use MS Windows 95/98/NT hbdl is your best bet as a downloader, since dl or dlm hang up under these OS's, even in a MSDOS terminal window. dl and dlm work (...) (27 years ago, 30-Jun-99, to lugnet.robotics.handyboard)
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| | (no subject)
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We had been building a handyboard(hb) but we have severe problems, We download the buffalo using the hbdl windows downloader (dl indicates a serial timeout, dlm just hangs up). When Buffalo is succesfully loaded (it sometimes halts with a error in (...) (27 years ago, 30-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Moving Straight
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So far nobody has mentioned using a compass to control the 'bot's heading. (URL) Nick (...) (27 years ago, 29-Jun-99, to lugnet.robotics.handyboard)
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| | RE: LM35 Temp Sensor
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The output pin of the LM35 gives you the ambient temperature in 10mV/degree C directly. The 47k pullup resistor will form a voltage divider with the output. You either have to do some conversion (complicated) or eliminate the pullup (easy).... Paul (...) (27 years ago, 29-Jun-99, to lugnet.robotics.handyboard)
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| | RE: Moving Straight
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Our first challenge was to get our robot to move ahead straight. There seemed to be a difference in the motor torques. We used shaft encoders and compared the counts every 200 to 500 milliseconds. Slowing down the motor that had a higher count, for (...) (27 years ago, 29-Jun-99, to lugnet.robotics.handyboard)
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| | RE: Moving Straight
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Many people use trial and error to come up with a wheel differencial factor that should always be applied so that even without looking at the encoders the robot should move pretty straight. If you do the compensation on the fly that is OK but during (...) (27 years ago, 29-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Moving Straight
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I use the 9 gram Piezo gyro in my Hand Launch Glider to keep it moving level despite strong wind conditions. Could you use that in your robot as a "Rudder" input? The 9 gram Piezo gyro costs about 9,500 yen here in Japan. That is about $80.00. I (...) (27 years ago, 29-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Quickcams
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(URL) check these guys out they have done what your thinking... good luck phil (...) (27 years ago, 28-Jun-99, to lugnet.robotics.handyboard)
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| | new address
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hi all This note is to let you know that Josh Welber has a new email address. In future you should send mail to jaw@duckrabbit.org I will be canceling my interport address as of the 1st. Thanks josh (27 years ago, 28-Jun-99, to lugnet.robotics.handyboard)
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| | H- Bridges
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Have any of you got some experience with H-bridges? I want to use 2 digital outputs to toggle a motor on/off in 2 directions. Does this sound reasonable? if any of you have a lead on a good web resource, I'd appreciate the URL... K.M. (27 years ago, 28-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Moving Straight
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Try a differential transmission (assuming you're using Lego parts). (2 URLs) motor drives the bot, with both wheels turning at the same rate. The other turns the bot by changing the relative speed of the wheels. Ross M. Tonkens, M.D. Medical (...) (27 years ago, 28-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Moving Straight
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(...) Sorry, I do other things with my controllers than control robots (shame on me!). From other discussions I've seen though, I would think that you could use some feedback from the turning shafts, like optical turns counters or some such. I (...) (27 years ago, 28-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Moving Straight
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Sean ... Probably the best way to maintain a constant heading is to use shaft encoders on both drive wheels ... monitor their rotation ... adjust one motor to give identical turn counts. The book "Mobile Robots: Inspiration to Implementation" by (...) (27 years ago, 28-Jun-99, to lugnet.robotics.handyboard)
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| | 6500 sonar
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A week ago I has using the sonar ranger with the expansion board but without connecting J12 to digital input 7. I had the sonar making the CLICKING sound (which is good) but the numbers that were being displayed onto the LCD were random (not good). (...) (27 years ago, 28-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Quickcams
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Hi Ryan, The Robot Learning Lab at Carnegie Mellon's Robotics Institute has used Quickcams for vision applications. The URL is (URL) not sure how much info is available. But I know it can be done. Michael (...) (27 years ago, 28-Jun-99, to lugnet.robotics.handyboard)
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| | Moving Straight
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Is there anyone who has written or seen IC code that will keep a robot moving straight with 2 DC motors and four side sensors? 2 on each side. The main reason I ask is because one of my DC motors seems to put out more power that the other one and (...) (27 years ago, 28-Jun-99, to lugnet.robotics.handyboard)
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| | chips
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oes anyone have a reliable source of the 68hc11 they are being obseleted by motorola and i can get less than 100... and i work for an electronics manufacturer. thanks phil (27 years ago, 28-Jun-99, to lugnet.robotics.handyboard)
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| | Quickcams
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Hello All- I was wondering if you guys know of anyone that is using a quickcam for a robot. I would REALLY like to see it done... but I don't know where to start. Any help is greatly appreciated. ---...--- Ryan Ziolko Secure Design Center, Motorola (...) (27 years ago, 28-Jun-99, to lugnet.robotics.handyboard)
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| | RE:
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Thanks, Carlos. I will buy a completed board for my project. I don't foresee building a handy board from scratch any time soon. -----Original Message----- From: Carlos Fernandez [mailto:softech@ptdprolog.net] Sent: Monday, June 28, 1999 9:18 AM To: (...) (27 years ago, 28-Jun-99, to lugnet.robotics.handyboard)
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| | Re:
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Don't feel bad. I felt the same way. My background is in PC Windows programming, and this is very very very different and frustrating to get started. If you are still interested you should consider buying a board that is already assebled. Thats how (...) (27 years ago, 28-Jun-99, to lugnet.robotics.handyboard)
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| | (no subject)
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Call me a weenie -- I'm in over my head... anyone in the market for a handyboard? HandyBoard - (board only) Battery Charger Board (board only) Expansion Board Kit Untouched -- didn't even start the project. (27 years ago, 28-Jun-99, to lugnet.robotics.handyboard)
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| | Re: POLAROID 6500 INCONSISTENT
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Bob, I do experience the same thing and taking the average does not work correctly. I compare the "distance" between the values (I have it get three) and throw out the one that is farthest away. Then I take the average of the remaining two. After (...) (27 years ago, 28-Jun-99, to lugnet.robotics.handyboard)
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| | Re: LM35 Temp Sensor
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I have a couple of LM335 that I have tried to use with the miniboard. The numbers I get when converted to Fahrenheit, do not accurately represent the room temperature. The docs mention using a 10K pot to calibrate the sensor. I have not yet tried (...) (27 years ago, 28-Jun-99, to lugnet.robotics.handyboard)
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| | Baud rate of Interactive C
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Hi, has anyone hacked Mac IC 3.1 to change its baud rate? I'm trying to run a radio RS232 link, and it just can't take the data at 9600 baud. Thanks, George Musser georgejr@musser.com (27 years ago, 28-Jun-99, to lugnet.robotics.handyboard)
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| | Re: IC question
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Dear Victor, I'll give you a few hints about what you are trying to do. 1. the "0x" in front of 0x0e is the same as "$" in regular C. It just designates that the number following is in hex format. 2. Fred runs his motor driver chips using addresses (...) (27 years ago, 26-Jun-99, to lugnet.robotics.handyboard)
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| | LM35 Temp Sensor
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Hi, Has someone tried to connect a LM35 temperature sensor to an analog input in the HB, I have had no luck with it, I have plugged it directly to the input and think that maybe is the 47K pull-up resistor the cause of the problem. Thank You José (...) (27 years ago, 26-Jun-99, to lugnet.robotics.handyboard)
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| | building handyboard
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I am building a handyboard and wnat to know if a 470mf capacitor with 16v is ok to use for the board. ___...___ Do You Yahoo!? Get your free @yahoo.com address at (URL) (27 years ago, 26-Jun-99, to lugnet.robotics.handyboard)
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| | Re: V860X speech module
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|
yes. it sounds like a robot -- don't worry. :-) it's actually a great board, really easy to use, and well-documented. you just send it ASCII english text, and it talks. fred In your message you said: (...) (27 years ago, 25-Jun-99, to lugnet.robotics.handyboard)
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| | V860X speech module
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Hi All: I've been playing with an SPO256 speech chip for my robot ... and I'm not very pleased with the results. Now I'm considering moving to the V860X speech board by RC Systems. (URL) this is for a robot I do NOT want the voice to sound too human (...) (27 years ago, 25-Jun-99, to lugnet.robotics.handyboard)
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| | Vector 2XG
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Hi All ... I'm about to order a Vector 2XG compass for use with my robot. I'd greatly appreciate any hints, tips, code, caveats, etc. that you may have to offer. (URL) in advance, Nick (27 years ago, 25-Jun-99, to lugnet.robotics.handyboard)
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| | POLAROID 6500 INCONSISTENT
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|
Hello all, I have a Polaroid 6500 connected to the HB in the standard and well documented fashion. It is working and delivers values that approximate the correct distances. However, it is somewhat inconsistent. For example it will return a lower (...) (27 years ago, 25-Jun-99, to lugnet.robotics.handyboard)
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| | Re: 6500 returning dd values
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I'm having the same problem with my expansion board. When I type sonar_display(); the numbers start flashing on the LCD. The numbers are changing rapidly and appear to be both negative and positive. The numbers seem to be random as well. I made sure (...) (27 years ago, 24-Jun-99, to lugnet.robotics.handyboard)
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| | Reove form the listin g
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Hi, Fred ,pls remove me from the HD listing. This is my 10th time to write this termination to you. Pls activate it asap. thank you . rgds, phillip chia philchia@singnet.com.sg (27 years ago, 24-Jun-99, to lugnet.robotics.handyboard)
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| | Remove from the HD listing
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Hi, Fred ,pls remove me from the HD listing. This is my 10th time to write this termination to you. Pls activate it asap. thank you . rgds, phillip chia philchia@singnet.com.sg (27 years ago, 24-Jun-99, to lugnet.robotics.handyboard)
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| | Re: speed control help
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It sounds like you are running open loop. If you use the wheel encoders as feedback devices to close the loop, then you can use the motor control function in your program as a variable to adjust motor control current via PWM to match the command (...) (27 years ago, 23-Jun-99, to lugnet.robotics.handyboard)
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| | Re: speed control help
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lroska wrote: <snip> (...) <snip> (...) <snip> (...) <snip> The easy solution is to avoid using a formula that assumes anything about the motor speed curve (except of course that reducing the motor value reduces the speed). Try using a feedback (...) (27 years ago, 23-Jun-99, to lugnet.robotics.handyboard)
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| | speed control help
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I have a problem that involves speed control. My robot is curently configured for differential steering and have shaft encoders installed on each one for feedback. the shaft encoders generate 64 pulses /rev The motors are PWM using the rug warrior (...) (27 years ago, 23-Jun-99, to lugnet.robotics.handyboard)
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| | serial interface building
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A group of us are building the HB and we are at the serial interface building stage. When we perform the test on the serial interface to get +9 or +10 volts, we are all getting values of up to +8.5 only. Is there a problem or is this normal? Thanks (...) (27 years ago, 22-Jun-99, to lugnet.robotics.handyboard)
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| | GP2D02
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I am having trouble getting the IR sensor to show values on the LCD screen. I am confident that it is finally hooked up correctly. The following is what is included in the list file to automatically download into the board: explego.icb lib_hb.icb (...) (27 years ago, 22-Jun-99, to lugnet.robotics.handyboard)
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| | runtime errors
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What are the meanings of the various runtime errors? Thus far I have gotten 3 and 4, but I am curious as to what the rest are as well. =) Andrea (27 years ago, 22-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Where can I get a Sonar?
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Jens, You can get the Polaroid sonar from Acroname. Their web site is (URL)Hallo, (...) Scott Sherman IT Spec. II St. Cloud State University 720 4th Avenue South Academic Computer Services ECC Building, Room 101 (320) 255-4888 (27 years ago, 22-Jun-99, to lugnet.robotics.handyboard)
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| | Parts buying help.
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To the wise HB builders, First can I us a poly-styrene cap of the same value instead of the polypro?? Can I use a 3.92 1% in place of the 3.83 1%, what will happen?? Can I use a -8 instead of a -12 or -10 32k memory chip?? Has anyone created (...) (27 years ago, 21-Jun-99, to lugnet.robotics.handyboard)
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| | Update for HandyBoard Buffalo
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Hello all, Just to let you know, I have updated my HB_Buffalo development system. It can be obtained at the following web address: (URL) is it: HB_Buffalo is a monitor operating system that facilitates the development of machine code programs on the (...) (27 years ago, 20-Jun-99, to lugnet.robotics.handyboard)
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| | Re: IRPD sensors
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Hi Evan, Did you ever get any code that would work for the irpd sensors? I too have a line tracker and a irpd proximity detector but have not connected to the HB. I purchased them in kit form from Lynxmotion . ---...--- (...) (27 years ago, 20-Jun-99, to lugnet.robotics.handyboard)
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| | Where can I get a Sonar?
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Hallo, I am searching a ultrasonic based mesurement system. Has anybody a circuitry? regards, Jens (27 years ago, 20-Jun-99, to lugnet.robotics.handyboard)
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| | Re: My sonar doesn't work!
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Did you install a .1uF capacitor at C7 on the sonar boards? The 6500 doesn't work without that capacitor. Ross M. Tonkens, M.D. Medical Director Primary Care of Nevada 100 North Green Valley Parkway Suite 240 Henderson, NV 89014 702 914-7120 VOICE (...) (27 years ago, 19-Jun-99, to lugnet.robotics.handyboard)
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| | digital in's and out's?
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Hi, I want to construct my own expansion board with as many digital in's and outs as possible!! I know this can be done but I don't know where to start. I am asking the seasoned 'botters for some help. Thank you in advance for any help you might (...) (27 years ago, 18-Jun-99, to lugnet.robotics.handyboard)
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| | Re: digital in's and out's?
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Dear Steve, Nobody wants to hear this said, and I hate to be the one to do it, but you can start by reading the data available on the Handy Board web site (quick duck to avoid thrown volt meter). Fred has done what you want to do (memory-mapped (...) (27 years ago, 18-Jun-99, to lugnet.robotics.handyboard)
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| | digital output TOC3
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HI! I would like to know how I can use the TOC3 output in the handy board to generate a PWM. Thanks in advance Berri from university of Sherbrooke (Canada) (27 years ago, 18-Jun-99, to lugnet.robotics.handyboard)
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| | Application notes on serial memory and microcontrollers
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I found this interesting link, I think it's also well known to someone: (URL) at number AN609 ;-) (27 years ago, 18-Jun-99, to lugnet.robotics.handyboard)
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| | Memory Problem
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Has anybody use the 62256LP-10, instead the 62256LP-120. Because I use and it doen´t work, I´m starting to think, that it may be a HandyBoard problem, not a memory one. Daniel ---...--- " `BETTER´ IS THE ENEMY OF `GOOD ENOUGH´" ---...--- (27 years ago, 17-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Memory Problem
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Daniel: Yes I am running two handy boards with 62256LP-10 's that I have stripped from a scrap controller board of some sort. They work just fine. Total cost $0.99 plus effort to desolder them from the board. Regards, Bart Schrijver. ___...___ (...) (27 years ago, 17-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Handyboard Assembly Problems
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Umar: This may sound trivial to others, but here is what I think you should do. When a new handyboard is switched on without any software loaded that drives the LCD display, you should see the first line fully dark and the second line light. So (...) (27 years ago, 17-Jun-99, to lugnet.robotics.handyboard)
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| | Handyboard Assembly Problems
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I am assembling a handyboard, and am at stage 6.0.4, where I plug in my LCD screen for the first time. When I turn the handy board on, instead of getting the dimly lit arrays, I get a top array that is strongly lit, and bottom array that is lightly (...) (27 years ago, 17-Jun-99, to lugnet.robotics.handyboard)
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| | Re: IC Bible?
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(...) Did you mean Interactive C manual? Just a thought, Duncan (27 years ago, 17-Jun-99, to lugnet.robotics.handyboard)
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| | Re: 6500 sonar
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(...) TI has a *very* liberal sample policy. Visit: www.ti.com and do a part search, then order online. Cheers, Duncan (27 years ago, 17-Jun-99, to lugnet.robotics.handyboard)
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| | IC Bible?
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Where can I get the best IC manual there is? ___...___ Steve Wall Sir Sandford Fleming college Swall@flemingc.on.ca (27 years ago, 16-Jun-99, to lugnet.robotics.handyboard)
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| | Re: IC Bible?
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(...) Gray's List is pretty good. Gives you all known links to the semiconductor manufacturers, from which you can usually obtain data sheets in PDF format, or at least get contact info for the company and request databooks. (URL) Mills, WE7U (...) (27 years ago, 16-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Expansion Board
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Did you initialize them? You have to issue the initialization command to turn them on. init_expbd_servos(ON) (where ON=1) init_expbd_servos(OFF) (where OFF=0) turns them off Then give the servo a positioning command. servo(x) = y (where x is servo (...) (27 years ago, 16-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Expansion Board
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Did you try something like init_servo0(1) {I'm not sure I got the syntax correctly}. It enables the specifice servo output to function. ---...--- ericson mar Robotics Consultant mar@cooper.edu (212)353-4356 Department of Mechanical Engineering The (...) (27 years ago, 16-Jun-99, to lugnet.robotics.handyboard)
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| | Expansion Board
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Does anybody know how to get the expansions board servo outputs to work. I tried calling the function but I'm not sure if I have the correct programs loaded into the handyboard. (27 years ago, 16-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Radio Modem
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Here is an nice summary of a variety of wireless data products: (URL) have used metricom modems to control robots and have had good success with them. They are not terribly inexpensive but work well and have a link budget sufficient to cover (...) (27 years ago, 16-Jun-99, to lugnet.robotics.handyboard)
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