 | | Re: HELP!! Dead board
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You shouldn't be seeing voltages over 5v anywhere in the logic circuits. Test if the 7805 is producing more than 5v, or if the RAM circuit (which is on a separate regulator) has more than 5v. In practice I'd rarely see more than a 0.2v error from (...) (24 years ago, 30-Nov-00, to lugnet.robotics.handyboard)
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| | HELP!! Dead board
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Hi, I've a dead board here and don't know what to do anymore... The following is happening: I can download the pcode to the board, but when I then try to reset the board, the IC message won't show up on the display, there won't be any beep, and IC (...) (24 years ago, 29-Nov-00, to lugnet.robotics.handyboard)
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| | expansion board ?
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i am using the handyboard/expansion board and am using servos for movement i want to be able to have the motors stop in response to a pushbutton being pressed. the button is hooked to the digital in (port 7) on the handyboard here is my code for the (...) (24 years ago, 27-Nov-00, to lugnet.robotics.handyboard)
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| | sbasic11
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has anyone used sbasic or any other form of basic on the handyboard and can they share there info on how to set it all up thanks Justin (24 years ago, 27-Nov-00, to lugnet.robotics.handyboard)
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| | Connect a wireless modem to HandyBoard?
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Hi Everyone there! I am relatively new to the HandyBoard ( and for that matter, the robot scene in general ) I would like to know if anyone out there can advise me on whether it might be possible to connect a wireless modem to a HandyBoard? I was (...) (24 years ago, 27-Nov-00, to lugnet.robotics.handyboard)
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| | handyboard ?
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can someone please post some example code of how to read the state of a pushbutton connected to one of the expansion board inputs i wish to use it to stop a motor routine also can anyone recommend a good cheap stepper controller for use with the (...) (24 years ago, 26-Nov-00, to lugnet.robotics.handyboard)
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| | Fun with HTML
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I've started playing around a bit with HTML and I've been creating a web site of sorts. I invite you to visit it at (URL) so far there isn't enough content but I'm more able to update this site than my previous one. --Chuck (24 years ago, 26-Nov-00, to lugnet.robotics.handyboard)
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| | Problems with sonar
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Hi I've tried to use the overflow flag to measure distances greater than 2.7m with the polaroid sonar. I've added the following line to the sonar_init(): bit_clear(0x1024,0x80); /* clear TOI, no Timer Overflow Interrupt */ I think the overflow flag (...) (24 years ago, 23-Nov-00, to lugnet.robotics.handyboard)
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| | serial comm again
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Hi. Thanks to all who had answered... unfortunately, I am still facing difficulties..(maybe i am not good enough!) Anyway, I have another question to ask... When I tried to do a loop-back test by connecting the TD and RD pin of the handyboard (...) (24 years ago, 23-Nov-00, to lugnet.robotics.handyboard)
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| | Re: Reading encoder forward/reverse
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(...) Hello Richard I think you should use a Gray code (consecutive decimal numbers are represented by binary expressions that differ in the state of one, and only one, one bit. Synonym: reflected or mirrored code). Its very simple for two bits: 00 (...) (24 years ago, 22-Nov-00, to lugnet.robotics.handyboard)
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| | Reading encoder forward/reverse
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I would like to tell which way my optical incremental encoder is turning. It has two outputs, one offsett from the other. Is there any library around that can count and give direction? (the "encoders.c" functions seem to only count regardless of (...) (24 years ago, 21-Nov-00, to lugnet.robotics.handyboard)
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| | Re: Some Sonar Data
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Excellent work! Gary Livick (...) (24 years ago, 20-Nov-00, to lugnet.robotics.handyboard)
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| | Some Sonar Data
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A simple experiment I was doing earlier today showing the effects of delay between multiple pings of the sonar (to let echos die down, etc): (URL) a by-product, it has some kind of neat pictures showing the accuracy and such of the sonar, if you're (...) (24 years ago, 19-Nov-00, to lugnet.robotics.handyboard)
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| | Re: GP2D02 driver affecting motor outputs?
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Well, since I wrote it, I suppose I should fix it. I need a day or so. Gary Livick (...) (24 years ago, 18-Nov-00, to lugnet.robotics.handyboard)
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| | GP2D02 driver affecting motor outputs?
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I connect a motor to a motor output on my handyboard and it works fine. I start running the program found here: (URL) program continuously collects data from a GP2D02 sensor. A motor that is working before I start collecting data starts running at (...) (24 years ago, 18-Nov-00, to lugnet.robotics.handyboard)
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| | Commapi
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I've been trying to use commapi to have my pc communicate with the HB. It seems to be more or less set up properly as I can send characters to the HB. There's a little oddity there as it seems to send an extra character to the HB. If I have just a (...) (24 years ago, 16-Nov-00, to lugnet.robotics.handyboard)
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| | polaroid sonar again
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I think I have more of a problem with the my ranging module than before. I'm getting 2000 to 3000 ticks regardless of what's in front of the transducer. Earlier, I was getting various values. I did accidently turn the thing on without the tranducer (...) (24 years ago, 12-Nov-00, to lugnet.robotics.handyboard)
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| | Re: polaroid sonar
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(...) In my experiments I have found that in using the Polaroid boards you have to be very careful of ground loops and making sure you give adequate time for the board to reset and that cap on the power line to recharge. I used to get a weird value (...) (24 years ago, 12-Nov-00, to lugnet.robotics.handyboard)
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| | polaroid sonar
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I just hooked up a polaroid sonar module with the suggested capacitor, and it does work for the most part. Unfortunately about every 5th value (using the display_sonar function) is markedly different that the others, half the reading or so. Is this (...) (24 years ago, 12-Nov-00, to lugnet.robotics.handyboard)
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| | An analysis of Rich Drushel's lock_process() errors
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An analysis of lock_process() errors. My lock_process(float sec) library code has some bugs in it. After some digging around in the pcode assembly source, and some test programs in IC, I have determined the cause of the bugs. What to do about them, (...) (24 years ago, 11-Nov-00, to lugnet.robotics.handyboard)
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| | Re: handy board serial port
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|
Hi Michael, (...) It's not that hard you are thinking ! check out this document and you'll see it's not that hard ! (URL)Do I still need to reprogram the HC11 chip? I only need 9600,n,8,1 settings (...) Depends on what handshake you're using. (...) (...) (24 years ago, 9-Nov-00, to lugnet.robotics.handyboard)
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| | handy board serial port
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Hi In regards with programming the serial port to talk to a mouse, if i only want to use the existing baud rate and settings to talk to a modem, can it be done? Do I still need to reprogram the HC11 chip? I only need 9600,n,8,1 settings which i (...) (24 years ago, 9-Nov-00, to lugnet.robotics.handyboard)
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| | can't get handyboard in download mode
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Several of us in the Physical Computing lab at Parsons are working with HandyBoards running off laptops with Win98. We have been experinecing problems with getting the board to go into the download mode. The board crashed after we dowloaded files in (...) (24 years ago, 8-Nov-00, to lugnet.robotics.handyboard)
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| | Re: handy board serial port
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you have to reprogram the serial configuration register. download the 68hc11 documentation at handyboard.com/techdocs/ and read the chapter on the SCI (serial communications interface). after poking new values into the SCI registers to get the (...) (24 years ago, 8-Nov-00, to lugnet.robotics.handyboard)
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| | handy board serial port
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hi, i am trying to interface a mouse to the handy board to use as some sort of position control. I can read data from the serial port, but unfortunately I need to reconfigure the port, but I dont know how. The mouse transmits at 7bits 1stop bit, and (...) (24 years ago, 8-Nov-00, to lugnet.robotics.handyboard)
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| | bugs in Rich Drushel's lock_process() library
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A couple of weeks ago, students in my Autonomous Robotics course found some bugs in my lock_process() library code. lock_process() and unlock_process() were intended to work like hog_processor() and defer(), except to allow a variable duration of (...) (24 years ago, 2-Nov-00, to lugnet.robotics.handyboard)
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| | RE: flow control with Switch
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Hi Daniel, section 5.4 of the HandyBoard Technical Reference says that switch / case statements are not supported in IC. I do not know whether this has changed since it was released. <handyboard@media.mit.edu> escribió en el mensaje de noticias (...) (24 years ago, 31-Oct-00, to lugnet.robotics.handyboard)
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| | Recommendation for a robotics set.
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crossposted from lugnet.robotics I should have added that,as I am already getting the HandyBoard, any sets containing lots of electronics (aka. Robotics Invention System...) are not the most interesting for me. I am looking for the structural stuff (...) (24 years ago, 31-Oct-00, to lugnet.robotics.handyboard)
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| | Handyboard power monitor
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Has anyone attempted to build a batter/power monitor interface on the Handyboard? In reading the Mobile robots book it shows that that platform supports a battery monitor to an analog port. I would like to achieve the same functionality on the (...) (24 years ago, 31-Oct-00, to lugnet.robotics.handyboard)
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| | Re: IR Proximity Detector Kit
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Yes, check out my web site nfn.no-ip.com/spazbot. It works great! I wrote the code to pull it off, it's not too hard. The code should be posted at lynxmotion, if it's not I can send you an example. (...) (24 years ago, 30-Oct-00, to lugnet.robotics.handyboard)
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| | Re: IR Proximity Detector Kit
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(...) to (...) I've used similar 555/IR detector ones. They work fine, but you have to do a lot of filtering to "get the noise out". Because of that I wrote a PIC 12C508 program that handles the noise filtering and signal processing and just sets a (...) (24 years ago, 30-Oct-00, to lugnet.robotics.handyboard)
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| | Palm to Handyboard
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Hey all, Does anyone have any information on getting a handyboard and a Palm device to work together? Has anyone done this? I'm looking to be able to reprogram the Handyboard from the palm device in the field, so I don't have to lug around a (...) (24 years ago, 30-Oct-00, to lugnet.robotics.handyboard)
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| | IR Proximity Detector Kit
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Hi Has anybody ever used a IR Proximity Detector Kit from Lynxmotion to connect to the Handy-Board? (URL) (24 years ago, 30-Oct-00, to lugnet.robotics.handyboard)
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| | Re: First Internet Robot Contest
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Right, no connection! Steve's "First Internet Robot Contest" has nothing to do with FIRST, the organization formerly known as "US FIRST," which is presently cooperating with LEGO in the "FIRST LEGO League" (FLL). Todd, thanks for allowing me to (...) (24 years ago, 29-Oct-00, to lugnet.robotics.handyboard, lugnet.robotics)
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| | Re: First Internet Robot Contest
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(...) Fred, Steve, The word "First" here has nothing to do with FIRST[1], right? --Todd [1] (URL) (24 years ago, 29-Oct-00, to lugnet.robotics.handyboard, lugnet.robotics)
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| | First Internet Robot Contest
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Hi all, If you're a hobbyist and you've built a cool robot, consider entering it in the First Internet Robot Contest. Prizes include LEGO Droid Developer Kits, a Handy Board, and other fun stuff. I'm on the jury -- but I did promise the organizer (...) (24 years ago, 29-Oct-00, to lugnet.robotics.handyboard)
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| | BiM Transceiver to Handy Board Interfacing
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Hello: I am trying to interface a Radiometrix BiM 433-F transceiver to the Handy Board. I have found some information regarding this matter on the HB's mailing list and other sites but they don't seem to have enough information. So far I have (...) (24 years ago, 29-Oct-00, to lugnet.robotics.handyboard)
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| | memory chip
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Hi I am building a Handy Board from a PCB I have ordered by the Net, but I have some difficulties to find the 32K static CMOS chip here in France. Is it possible to replace/adapt with a more common one, or does it exist with another reference I (...) (24 years ago, 28-Oct-00, to lugnet.robotics.handyboard)
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| | Re: Hanging Problem
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Hi ... can you post a copy of the code you're running? Also, it is safe to say that you don't think it's a hardware problem -- that generally your HB works OK? or, are you a new user, and it might be hardware-related? fred (...) (24 years ago, 27-Oct-00, to lugnet.robotics.handyboard)
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| | Hanging Problem
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After running an IC thing on my board for about 10 minutes my handyboard decides to just freeze on me, I am spawning new processes, but I am ensuring I am killing these before I continue with my next round through the loop. I don't think I am (...) (24 years ago, 27-Oct-00, to lugnet.robotics.handyboard)
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| | Re: Sonar limited by signed int... change to unsigned?
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Hi I've the same problem! I've wrote a first program to solve that, but i didn't work. Look at my message from 16. October. (sonar and overflow) If you don't need that accuray, then you can just use the overflow_counter, but this is not at all (...) (24 years ago, 26-Oct-00, to lugnet.robotics.handyboard)
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| | Sonar limited by signed int... change to unsigned?
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Hi, The sonar code is limited to 15' since we are using a signed int. I don't want to change the timer resolution since the multitasker will run slower. The counter only supports an int right? So we can use a signed int and check the overflow flag? (...) (24 years ago, 26-Oct-00, to lugnet.robotics.handyboard)
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| | Re: new to hb :) - Functional Pointers
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no, IC does not support function pointers. fred (...) (24 years ago, 25-Oct-00, to lugnet.robotics.handyboard)
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| | new to hb :) - Functional Pointers
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Can I use function pointers in IC ? (simple question1 :) - ciaran (24 years ago, 24-Oct-00, to lugnet.robotics.handyboard)
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| | Re: Difficulty with timing
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|
For doing interrupts and otherwise using .asm functions in IC, I'm writing a series explaining the why's and how's of doing this on a RugWarrior site at rugwarrior@egroups.com. Sign up and join in. The subject line in the series is "asm-IC." Best (...) (24 years ago, 23-Oct-00, to lugnet.robotics.handyboard)
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| | Difficulty with timing
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I am attempting to take in some information into my handyboard through one of the external digital ports, the value I am trying to send in is 128 bits in total length(using serial of course), and then I am wanting to relay this to a windows machine (...) (24 years ago, 23-Oct-00, to lugnet.robotics.handyboard)
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| | Re: that _raw_analog undefined thing
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Hi Naomi. The problem is not with the get_char function, I think that is with the analog function. Try to find this files in your IC/LIBS directory: lib_hb.asm lib_hb.c lib_hb.icb Expens.c HBsensor.c The _raw_analog is a rutine and it is defined in (...) (24 years ago, 23-Oct-00, to lugnet.robotics.handyboard)
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| | _raw_analog problem solved... kind of
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Dear Mr. Martin, Since the ic libs seem to be different than they were, I found a old copy of old ic download and re-installed once again. Problem gone. Is it that your new _raw_analog won't work with old code? Feeing like a pain in the (...) (24 years ago, 22-Oct-00, to lugnet.robotics.handyboard)
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| | Re: that _raw_analog undefined thing
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|
Dear Mr. Martin, First, thank you for your patience. I'm really sorry to be so much trouble. The Targa thing is easy to explain, so I'll start with that. Yes, the files are all in ZIP archives. When I unzip them, the .icb files show the suffix .icb, (...) (24 years ago, 22-Oct-00, to lugnet.robotics.handyboard)
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| | Re: that _raw_analog undefined thing
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At this point I'm not clear exactly what error message you're getting. Would you 1. send a transcript of Interactive C's bootup text, leading to the error? 2. explain the Targa file problem. i don't understand where you'd be seeing this message -- (...) (24 years ago, 22-Oct-00, to lugnet.robotics.handyboard)
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| | Re: that _raw_analog undefined thing
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I did that twice with no new results. I'm stuck for other ideas. It doesn't make sense. Naomi (...) them (...) (24 years ago, 22-Oct-00, to lugnet.robotics.handyboard)
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| | Re: that _raw_analog undefined thing
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I had already tried that but I did it again at your suggestion, threw everything away and re-downloaded and same problem. It makes no sense to me. Naomi (...) them (...) (24 years ago, 22-Oct-00, to lugnet.robotics.handyboard)
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| | Re: that _raw_analog undefined thing
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|
Hi. You may want to try redownloading and installing your lib files. Get them from (URL) and put them in your \ic\libs\ folder. Fred (...) (24 years ago, 21-Oct-00, to lugnet.robotics.handyboard)
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| | that _raw_analog undefined thing
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|
One more thing about the problem I just posted about my code not compiling because _raw_analog is undefined according to ic. Those .icb files come in from downloading as targa files and the machine seems to think they're photoshop files. Could that (...) (24 years ago, 21-Oct-00, to lugnet.robotics.handyboard)
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| | _raw_analog undefined
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|
Hi, I'm having a problem, maybe a stupid one, I don't know. This is it: Everything was going fine until I started writing a new ic program using serial_getchar. All of a sudden, when I tried to run the program, I was getting all these error messages (...) (24 years ago, 21-Oct-00, to lugnet.robotics.handyboard)
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| | handyboard@media.mit.edu is no longer!
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|
hi everyone, todd lehman and i have completed the transition from handyboard@media.mit.edu to LUGNET. we moved 233 addresses from the MIT list to LUGNET delivery. apparently 7 of you were on both lists at once -- getting double messages. here's (...) (24 years ago, 18-Oct-00, to lugnet.robotics.handyboard)
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| | kitchen electrical appliances.
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Dear sir or madame: Elecpro,a joint venture located in China mainland, is specialized in manufacturing kitchen electrical appliances. including rice cooker,electrical pressure cooker etc. In 1998 it passed the ISO9002 of international quality system (...) (24 years ago, 18-Oct-00, to lugnet.robotics.handyboard)
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| | Re: Running 4.5 V motor
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|
(...) If you mean a older lego 4.5V motor, then yes, it will work OK (I suppose). The max. voltage I ever ran a 4.5V battery at was 54V, and it seemed to survive OK. (Nom. 54V, I doubt more than 40 actual volts...I was launching airplanes with (...) (24 years ago, 17-Oct-00, to lugnet.robotics.handyboard)
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| | Running 4.5 V motor
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Is it okay to run a 4.5 V motor with the handy board's 9V motor driver as long as the pulse in only on <=50% of the time? (24 years ago, 17-Oct-00, to lugnet.robotics.handyboard)
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| | sonar and overflow
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|
Hi I've got a HB with an Exp-Board and the 6500 Polaroid Sonar Ranging Module. I want to measure distances greater than about 2.7m. So I tried to count the overflow flag at 0x1025 bit 7. But my counter runs to fast, that means it count more than the (...) (24 years ago, 16-Oct-00, to lugnet.robotics.handyboard)
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| | Problem with expansion board or code
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I have taken a program for the basic hadyboard analog port and converted it over to us the expasion board analog ports. The only problem is it only read the first port. I have tried it on three of my handyboard with the same result. I have recheck (...) (24 years ago, 16-Oct-00, to lugnet.robotics.handyboard)
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| | DC motor & Photoelectric sensor
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Hi, I have a slight problem with my handy board, and I wonder if someone could help me out. I have to use a photoelectric sensor and a DC motor on my handy board, and both have to work at the same time. The sensor requires a 10 volt supply voltage, (...) (24 years ago, 16-Oct-00, to lugnet.robotics.handyboard)
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| | Where can i get a kit to build?
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Hello. i want to build a handyboard but live in Scotland, U.K. Can anyone point me towards a location that i will let me buy a handy board in kit form. Cheers. (24 years ago, 11-Oct-00, to lugnet.robotics.handyboard)
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| | Re: Sorry ~ and a question
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|
(...) I've used Karl's sbasic a LOT on a Marvin Green Botboard 2 with great results. Its Basic, plain and simple. Which means its pretty verbose, C is a bit cleaner, but to each their own. I have a Miniboard that I use the freeware ICC11 with and I (...) (24 years ago, 15-Oct-00, to lugnet.robotics.handyboard)
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| | Re: Sorry ~ and a question
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Steve, You might try this. It is Karl Lunt's SBasic for the HC11. I haven't used it, but a lot of people swear by it. (URL) Luck, Gary Livick (...) (24 years ago, 14-Oct-00, to lugnet.robotics.handyboard)
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| | Re: Sorry ~ and a question
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(...) I think Fred is migrating away from the MIT mailing list. Both still work currently. Anyway, your message to lugnet.robotics.hand...lugnet.com was probably rejected because you hadn't filled out the news-posting setup form[1] yet to let the (...) (24 years ago, 14-Oct-00, to lugnet.robotics.handyboard)
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| | Sorry ~ and a question
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|
Sorry about that eirlier post fokes ~ but I was useing what was posted from Fred, that said for us to use this e-mail address: lugnet.robotics.hand...lugnet.com when posting to the Handy Board list or by way of the Lugnet web page. It seams that (...) (24 years ago, 14-Oct-00, to lugnet.robotics.handyboard)
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| | posts will not go through???
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I've tried 3 times to write to the list ??? keeps getting bounced back to me ~ but I recieve other's posts?? why? (24 years ago, 14-Oct-00, to lugnet.robotics.handyboard)
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| | Help!
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|
Dear Sir, I desperately need a circuit that can drive a single 4 pole steeper motor, with lcd output. Press button, motor turns 180 degrees LCD display shows "Flipped" Press button again motor turns 180 degrees again, display shows "Trickster Ready" (...) (24 years ago, 12-Oct-00, to lugnet.robotics.handyboard)
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| | revised msleep() function for standard IC library
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|
Based upon a student suggestion in our Autonomous Robotiics course Subject: revised msleep() function for standard IC library here at CWRU, I have written a new, multitasking-friendlier version of the msleep() function. The old version was a (...) (24 years ago, 12-Oct-00, to lugnet.robotics.handyboard)
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| |
| | re: MCI commands in Visual C++
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|
hi everyone, ok this is off the topic but i'm hoping someone can help. i can play .wav files using the Multimedia control interface in Visual c++, the only problem is i can't figure out a way to play without having to rewind the .wav file every (...) (24 years ago, 11-Oct-00, to lugnet.robotics.handyboard)
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| | Re: More on Miniboard woes and woohoos.
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The current version of ICC11 has a builtin downloader that talks to MB. Only for W95/NT/... though. ICC11 works with just about ANY HC11 boards, minus lack of support for paging. (...) -- // richard (URL) (24 years ago, 7-Oct-00, to lugnet.robotics.handyboard)
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| | Re: Linux and handyboard help!
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|
I got it!! Thanks! I was loading the wrong library. I had the correct library in the directory, but I hadn't run ic -config and changed it. Thanks again. ___...___ Jesse Dosher, K7DSP University of Washington, Dept. of Electrical Engineering, (...) (24 years ago, 6-Oct-00, to lugnet.robotics.handyboard)
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| | Re: Linux and handyboard help!
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|
Chuck, here's the results from ic -config: jdosher@keynes:~...ic/ic:8# ./ic -config Interactive C for 6811. Version 2.860 BETA (Oct 4 2000) IC written by Randy Sargent and Anne Wright. Copyright 1994. (uses board pcode by R. Sargent, F. Martin, and (...) (24 years ago, 6-Oct-00, to lugnet.robotics.handyboard)
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| | Re: More on Miniboard woes and woohoos.
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|
(...) I'm hitting two posts at once here... James, It came as a printf.c file with the freeware ICC11 compiler on the Miniboard site. I was curious as it was to be used with the dhry.c code Richard Mann included. However, that dhry.c code when I (...) (24 years ago, 6-Oct-00, to lugnet.robotics.handyboard)
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| | Re: More on Miniboard woes and woohoos.
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(...) I didn't think printf() was even available on the shareware (old) version of icc? (24 years ago, 6-Oct-00, to lugnet.robotics.handyboard)
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| | Re: Linux and handyboard help!
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|
Do an ic -config and check to see what library it downloads, make sure its the handyboard library and the 6.270 board library. --Chuck (...) (24 years ago, 6-Oct-00, to lugnet.robotics.handyboard)
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| | Re: More on Miniboard woes and woohoos.
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|
If you upgrade to the commercial version of icc11 not only do you get a downloader that works under windows 9x but also very nice library interface. (disclaimer: I wrote the library :-) In general on embedded systems you _don't_ want to use printf, (...) (24 years ago, 6-Oct-00, to lugnet.robotics.handyboard)
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| | Linux and handyboard help!
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Hi all, HELP! I seem to be having some strange behavior using IC under linux. For some unexplainable reason, when using IC under linux to load a file onto the handyboard, the board's digital inputs don't respond. I can take the same board and the (...) (24 years ago, 6-Oct-00, to lugnet.robotics.handyboard)
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| | More on Miniboard woes and woohoos.
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Hi again, Thanks to those who sent suggestions. Running in DOS mode, not W95 dlm does work just fine. Ick. Oh well. Anyway, I thought that 2K of EEPROM would be enough to do something with, and it may be, but probably not in ICC - The printf.c (...) (24 years ago, 6-Oct-00, to lugnet.robotics.handyboard)
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| | Re: Miniboard download random failures
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(...) "expected (...) James, Yes, I am running from a DOS window in W9X. Do I have to boot to DOS mode to correct for this? Uhm, I'm a Mac person, so, have patience, how does one boot to DOS instead of Win95? thanks, DLC (24 years ago, 5-Oct-00, to lugnet.robotics.handyboard)
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| | Re: Miniboard download random failures
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(...) Are you running DLM from a dos window in Win9x? I've had this problem but it usually stops when I run it in DOS. Just a thought. -Jim Munro <jimmn@xnet.com> (24 years ago, 5-Oct-00, to lugnet.robotics.handyboard)
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| | Freeware ICC11 and bad iasm11.exe?
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Me again, I just got the ICC11 freeware from the Miniboard site and installed it, moving the crt.s over as it says to do in the docs, etc. I tried to compile the test compile of icc11 dhry.c printf.c and got a LOT of "phasing" errors, whatever that (...) (24 years ago, 5-Oct-00, to lugnet.robotics.handyboard)
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| | Miniboard download random failures
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Hello, I just finished building a Miniboard using the HC811E2 processor. After swapping the Rx and Tx lines on my serial cable the download and reset switch do as the manual says. However, when I use dlm to download a program the bootstrap section (...) (24 years ago, 5-Oct-00, to lugnet.robotics.handyboard)
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| | serial communication
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Hi.. I am also facing problem in serial communications. My problem is that I am trying to use the handyboard to drive a modem. I have used a cross-serial cable to connect my handyboard's external serial board to a modem. But whenever I run my app, (...) (24 years ago, 5-Oct-00, to lugnet.robotics.handyboard)
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| | R: communication via serial port
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Using java and comm API ? ----- Original Message ----- From: Ray Tang <raytang_1@hotmail.com> To: <handyboard@media.mit.edu> Sent: Thursday, October 05, 2000 4:49 AM Subject: communication via serial port (...) and (...) the (...) a (...) (24 years ago, 5-Oct-00, to lugnet.robotics.handyboard)
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| | Linux and v1.21 handyboard (fwd)
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Hi, I've successfully located and compiled the IC files for the Handy Board. I can load and run programs on the board, BUT the digital input(s) are not being "seen". E.g. a simple program like: void test3(){ while (1){ if (digital(10)) printf("10 is (...) (24 years ago, 5-Oct-00, to lugnet.robotics.handyboard)
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| | communication via serial port
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Hi, This isn't an off topic question... Has anyone tried programming the serial port (on Linux) to communicate with the Handyboard? I am working on an RF link between the Handyboard and a PC via serial communication, but I don't know much about (...) (24 years ago, 5-Oct-00, to lugnet.robotics.handyboard)
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| | Re: external power
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I am by no means an expert on the subject but this is how I did it. First I cut the heavy motor power trace as shown in the FAQ. Next I soldered a four pin female header on top of the expansion board where the expansion board picks up power for the (...) (24 years ago, 4-Oct-00, to lugnet.robotics.handyboard)
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| | Re: Multiple GP2D02 range sensors
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Greetings, (...) From what I could understand from the documentation ((URL) you could use one timing signal for all of them, as long as each sensor is connected to its own output line (to which the sensor would serially output its 8 bit value). (...) (24 years ago, 4-Oct-00, to lugnet.robotics.handyboard)
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| | external power
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i was wondering if i can modify the handyboard to accept a secondary power supply for the motors and still use the expansion board at the same time. if there is anything else i need to know or do, i would greatly appreciate hearing about it. thank (...) (24 years ago, 4-Oct-00, to lugnet.robotics.handyboard)
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| | Re: Trouble with handyboards
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It is common when polarized caps are put in backwards! Some of those little beggars are hard to see, and easy to get backwards. Other things, such as solder bridges or bad solder joints, can be a problem. Some have even reported finding debris under (...) (24 years ago, 4-Oct-00, to lugnet.robotics.handyboard)
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| | Trouble with handyboards
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I am having students in one of my classes build handyboards, and most are working fine, but some are failing. They all passed intermediate tests, but failed when fully assembled. The most common failure mode that I am seeing results in the (...) (24 years ago, 4-Oct-00, to lugnet.robotics.handyboard)
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| | Multiple GP2D02 range sensors
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I would like to connect multiple (two to four) GP2D02 range sensors to my handyboard. Will each need to have is own timing signal or can they share somehow. If each does need a signal, how many can I connect? Should I get an Expansion Board? any (...) (24 years ago, 4-Oct-00, to lugnet.robotics.handyboard)
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| | Re: announcing handyboard.com !
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Dr. Martin ... Good luck in your new steps down the path of life! -Nick (...) (24 years ago, 2-Oct-00, to lugnet.robotics.handyboard)
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| | announcing handyboard.com !
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Dear Handy Boarders, I'd like to officially announce some changes in the Handy Board world. First, I've left MIT. My last day of work was August 31, 2000. I'm don't have a new job yet, and I'm not sure when (or if) I'll have a normal job. (I do have (...) (24 years ago, 2-Oct-00, to lugnet.robotics.handyboard)
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| | PWM decoding
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I sent this email a while back but didn't get any response so I'm trying again. What I am after is a way to decode the pwm output of a standard radio control receiver (the same signals sent to the servos) into a numerical form that can be used (...) (24 years ago, 29-Sep-00, to lugnet.robotics.handyboard)
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| | flow control with Switch
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I try to use a "switch" instead o using alot of "if... else". I use the one like a normal C compiler, but it doesn´t work. What can I do?. Daniel (24 years ago, 29-Sep-00, to lugnet.robotics.handyboard)
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| | Found C7
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Fred, Thanks for the tip. You're right - it is printed on the board itself. I found it as soon as I put on my glasses. :-) Steve Mosiman (24 years ago, 26-Sep-00, to lugnet.robotics.handyboard)
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| | Re: Capacitor on Sonar Board
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look on the polaroid board itself. it has (or used to, anyhow) a blank space where you could mount a component that is labeled "C7". the cap goes there. if you absolutely cannot find a spot on the polaroid board labeled C7, they must have updated (...) (24 years ago, 26-Sep-00, to lugnet.robotics.handyboard)
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