 | | 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 (...) (25 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 (...) (25 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 (25 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 (...) (25 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 (...) (25 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) (25 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: (...) (25 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 (...) (25 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 (25 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 (...) (25 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 (...) (25 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 (25 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 (25 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 (...) (25 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 (...) (25 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 (...) (25 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 (...) (25 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 (...) (25 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 (25 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 (25 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 (...) (25 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 (...) (25 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 . ---...--- (...) (25 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 (25 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 (...) (25 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 (...) (25 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 (...) (25 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) (25 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 ;-) (25 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´" ---...--- (25 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. ___...___ (...) (25 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 (...) (25 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 (...) (25 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 (25 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 (25 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 (25 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 (...) (25 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 (...) (25 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 (...) (25 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. (25 years ago, 16-Jun-99, to lugnet.robotics.handyboard)
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