 | | Re: Over Charging
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Fred, We had the same problem and traced it to the resistor. We can try the ZAP mode, but for future reference we would like to know the value you used to replace the 47 Ohm 1/2 watt resistor. Any chance we could get that information? Thanks, Dan (...) (22 years ago, 11-Sep-02, to lugnet.robotics.handyboard)
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| | Re: Over Charging
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When the batteries are really run down, they can draw too much current through the on-board charging circuit. (I'm assuming you are plugging adapters directly to the HBs, rather than going through the serial interface/phone line charge ckt.) About 6 (...) (22 years ago, 3-Sep-02, to lugnet.robotics.handyboard)
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| | Over Charging
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|
I have a collection of HandyBoards I'm trying to prepare for class this fall. They're a few years old now and have seem some fairly heavy use. I'm having trouble charging them and am hoping there's a component to replace or something I can fix to (...) (22 years ago, 3-Sep-02, to lugnet.robotics.handyboard)
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| | Re: assembler time delay?
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Tomas, NOP is the easiest way while staying within a single program. If you want to measure long periods of time, you could attach some code to the 2khz interrupt timer (documented in the handyboard manual). Just setup a memory space to use as a (...) (22 years ago, 24-Aug-02, to lugnet.robotics.handyboard)
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| | assembler time delay?
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Hello, Is there any other way, than using NOP repeated times, to create time delays in assembler? Regards, Tomas (22 years ago, 23-Aug-02, to lugnet.robotics.handyboard)
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| |
| | Rob Murray - Lego rotation sensor and sonar.c?
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Hi I am thinking of purchasing a couple of lego angle sensors for odometry purposes. I read in a previous post that some were having problems with these and the sonar.c file. Was this ever resolved? David. (22 years ago, 21-Aug-02, to lugnet.robotics.handyboard)
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| | PS2 mouse software for handyboard
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Almost two years ago I wrote PS2 drivers for the handyboard so I could use two optical mice on my robot. I got it working but its very buggy. The source code is something like 11 pages of assembly but could probably be shortened a bit. Some of the (...) (22 years ago, 21-Aug-02, to lugnet.robotics.handyboard)
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| | I2C
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Hi, I recently got a Daventech SRF08 ultrasonic ranging sensor, thinking it was the same as the SRF04, except with greater range. However it is not even close, instead of the echo and init lines it uses an I2C bus to communicate. So my Question is (...) (22 years ago, 20-Aug-02, to lugnet.robotics.handyboard)
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| | Cricket spoken here?
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Is this newsgroup suitable for Handy Cricket discussion? I guess I mean: 1. Would anyone object? 2. Would anyone listen? --Jack Gregory (22 years ago, 16-Aug-02, to lugnet.robotics.handyboard)
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| | SPI configuration
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How should I configure the SPI (master) in order to communicate with a slave that has a single bi-directional data line? I guess I should tie the MISO and MOSI pins together at the HB. Then what? Should I enable or disable the SPI? Or should I maybe (...) (22 years ago, 26-Jul-02, to lugnet.robotics.handyboard)
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| | Connect the ADNS-2030 optical mouse sensor to the Handy Board
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(...) (22 years ago, 15-Jul-02, to lugnet.robotics.handyboard)
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| | serial wiring problems
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Hi, I’d like to connect a PAK VI PS/2 coprocessor to the Handyboard using its serial port. I’ve taken a RJ-11 telephone cable and cut it into two pieces, so that I’ve got on one side the leads of the cable without the RJ-11 plug which I want to (...) (22 years ago, 23-Jun-02, to lugnet.robotics.handyboard)
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| | New blank Handy board PCB for sale
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HI I have some surplus Handy board (blank) PCB for sale. If you are interested have look at (URL) (22 years ago, 20-Jun-02, to lugnet.robotics.handyboard)
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| |
| | Re: start_process question....
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|
(...) first off, "proicess_name" should be "process_name", but thats not your problem. You are trying to use an integer as an array in this snippet. You have "int process_priority;" and then try to treat it as an array in "process_priority[pid]=1;" (...) (22 years ago, 13-May-02, to lugnet.robotics.handyboard)
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| | start_process question....
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I am writing a program based mainly on Fred Martin's book. The code is prety close to his program, but when I try to load I keep getting the following error codes, "attempt to use <int> as an array", and, "too many argumentd given to , (...) (22 years ago, 13-May-02, to lugnet.robotics.handyboard)
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| | is it possible to use the lego vision command with the handyboard?
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I'm interested in using the lego vision command with my handyboard. But it seems to use a (usb) port. So is there a way to use a (usb) with the handyboard? And has anyone ever attempted to hack the lego vision command for their handyboard? Also does (...) (22 years ago, 4-May-02, to lugnet.robotics.handyboard)
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| | external power source with expansion board
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|
Hi, I know this has been asked before, but I was unable to find a deffinitive answer. I cut the trace on my handy board in order to externally power some larger dc motors with two 6 volt gel cell packs wired in series for 12 volts. Unfortunately, (...) (22 years ago, 2-May-02, to lugnet.robotics.handyboard)
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| |
| | Re: Robot Positioning using Beacons
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|
Would a HandyCricket be good for driving the beacons? "Chris Steiger" <csteiger@comcast.net> wrote in message news:GvGHKu.2wr@lugnet.com... (...) the (...) (22 years ago, 1-May-02, to lugnet.robotics.handyboard)
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| | Re: Robot Positioning using Beacons
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|
That sounds good, but what do I use to drive each beacon, (e.g. send out the coded IR signal and sonar ping). Using a full blown microcontroller like the handyboard for each one would be incredibly expensive and wasteful. I only need a controller (...) (22 years ago, 1-May-02, to lugnet.robotics.handyboard)
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| | Re: optical mouse as sensor?
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|
Hi Scott, You should consider taking the mouse appart and hooking up directly to the sensor. Most (all?) optical mice use sensors made by Agilent Technologies (formely part of HP). The early mice used the HDNS2000 sensor which had a PS/2 mode and a (...) (22 years ago, 1-May-02, to lugnet.robotics.handyboard)
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| | Re: Robot Positioning using Beacons
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The problem with IR is that it tends to get everywhere, reflecting off of surfaces etc, so it's hard to triangulate. May I suggest a related but different approach. Make your beacons out of hybrid IR/sonar transmitters. The beacons will periodically (...) (22 years ago, 1-May-02, to lugnet.robotics.handyboard)
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| | Robot Positioning using Beacons
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|
I am beginning to design a handyboard robot that, for starters, can navigate around a room. The idea is that it will travel to objects whose coordinates within the room are predetermined and interact with them. I plan to do this by triangulating the (...) (22 years ago, 1-May-02, to lugnet.robotics.handyboard)
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| | Re: optical mouse as sensor?
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I believe that some research work in autonomous vacuum cleaners in the late 90's determined that a random walk over the course of a few hours was just as good as a methodical path. I'll see if I can dig up the reference... (...) --- Karl ___...___ (...) (22 years ago, 24-Apr-02, to lugnet.robotics.handyboard)
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| | optical mouse as sensor?
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|
HI, I am currently working on a handyboard based dust buster bot(goofy, I know) and have been trying to design an algorithm where my vehicle could methodically cover all the area in a given room, starting by following along the perimeter walls and (...) (22 years ago, 24-Apr-02, to lugnet.robotics.handyboard)
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| | IR Transmitter
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Where can I find the proper transmitter for the IR Transmission port on the Handyboard. What must the transmitter's specifications be? (22 years ago, 19-Apr-02, to lugnet.robotics.handyboard)
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| |
| | .lis files
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I am working on a program that will envolve several different files. So I have been trying to figure out how to creat a (.lis), file that could be used to load all the files together; lessing the pain on loading them one, by one. Anyway, I can't (...) (22 years ago, 16-Apr-02, to lugnet.robotics.handyboard)
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| | Re: Overcharged NiCd Batteries?
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|
Aha, I know nothing about Handyboards, only about NiCads. I don't see why you need a larger power supply to charge slightly larger cells. Your handyboard is probably only drawing about 75 to 100 mAh to charge at 50 mAh, so a bigger power supply (...) (22 years ago, 10-Apr-02, to lugnet.robotics.handyboard)
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| | Re: Overcharged NiCd Batteries?
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|
I'm sorry, I didn't explain myself well enough. I meant to say that I used the 500mA 12V power supply (block AC to DC transformer) by connecting it to the handyboard. From the specifications, the handyboard is supposed to be able to charge 800mAh (...) (22 years ago, 9-Apr-02, to lugnet.robotics.handyboard)
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| | Re: Overcharged NiCd Batteries?
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|
Jeremy, You hooked it straight to a 12V power supply? That's kind of a brutal way to charge NiCad's. Who knows what that's going to do. If it's regulated at 500mA, then it should take just a little over two hours to charge a 1000mAh pack, which is a (...) (22 years ago, 9-Apr-02, to lugnet.robotics.handyboard)
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| | Re: Handy board for sale
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|
For how much are you willing to sale it? _José (22 years ago, 9-Apr-02, to lugnet.robotics.handyboard)
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| | Handy board for sale
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I would like to sell a working handyboard to anyone interested. It works fine I just don't have time to play with it anymore. (22 years ago, 9-Apr-02, to lugnet.robotics.handyboard)
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| | Overcharged NiCd Batteries?
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|
Overcharged NiCd Batteries? Hello, I recently built a handyboard and bought a set of 8 1000mAh NiCd batteries for it. I charged the batteries using the handyboard and a 12V 500mA DC adapter from radio shack. I only charged the batteries for (...) (22 years ago, 9-Apr-02, to lugnet.robotics.handyboard)
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| | Pcode loading woes (on Mac)
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|
Dear Handy Board users, I have just assembled a Handy Board from components + PCB, and have verified that the 68HC11 is operating, the memory chip is receiving pulsing on its address / clk lines, and that the Charger / Serial board is working. (...) (22 years ago, 7-Apr-02, to lugnet.robotics.handyboard)
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| | LEGO Remote with IR routines ...
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Hello, I have downloaded and installed Max Davies IR routines in IC 4.010, and have used the test.ic program to try to get data on the LEGO #9738 Infrared Remote. The program seems to read the remote once every ten or so attempts. The data for the (...) (22 years ago, 30-Mar-02, to lugnet.robotics.handyboard)
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| | Servo motor with external power supply
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Hi, I have tried to run a servo motor with an external power supply (4.8v).I have connected the ground lead of the servo to the motor ground port (Motor Power Jack) and the signal lead of the servo to digital 9.(Like descibed in Fred Martin's book: (...) (22 years ago, 28-Mar-02, to lugnet.robotics.handyboard)
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| | USB 1 with Handyboard.
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I am a member of CAD CAM EDM DRO group on Yahoo There is an ongoing dicussion about developing a black box for controlling Hobby CNC machines. Currently machines are controlled by the LPT printer port. This has two disadvantages 1) PC are always (...) (22 years ago, 27-Mar-02, to lugnet.robotics.handyboard)
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| | max 232 ???
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I,m in the begining stages od building my handyboard kit. But I seem to be having trouble with the charger card. It was while doing the testing for the max232 serial ic. At first all the test seemed to do okay. Pin#2 was at 9.6v, pin#6 was at -9.7v. (...) (22 years ago, 27-Mar-02, to lugnet.robotics.handyboard)
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| | Re: IC4.0 and library files
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|
Sam & Victor, Thanks for the prompt replies. I was led astray by the fact that I got a graphic image when I first opened that file (lib_hb_exp.ic). Once I 'cancelled' the image, the needed file text was there. Once again, thanks to the group. John (...) (22 years ago, 26-Mar-02, to lugnet.robotics.handyboard)
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| | Re: IC4.0 and library files
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|
Hi John. There's another file that does it... I think it's an .IC file, but not sure. Since I'm at work, I can't check (No IC), but I found it simply by opening up various .IC files in the Handyboard directory. Eventually I came across a file that (...) (22 years ago, 26-Mar-02, to lugnet.robotics.handyboard)
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| | IC4.0 and library files
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|
I've been experimenting with Interactive C 4.0 and have run into a problem. I am unable to modify the list of files which are downloaded when IC4.0 is initialized. With IC3.2, I simply modify the lib_hb.lis file. With IC4.0, modifying 4.0's (...) (22 years ago, 26-Mar-02, to lugnet.robotics.handyboard)
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| | Mini Board
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Firts of all, excuse me to post this over this Newsgroup, but I Couldn't find any active group for the miniboard. That said, I bought a miniboard(already assemble),download all of the technical and program from the ftp site, but every time I tried (...) (22 years ago, 25-Mar-02, to lugnet.robotics.handyboard)
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| | RoboFest 2002(http://www.robofest.net)
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The third annual RoboFest competition is being held at Lawrence Technological University in Southfield, Mi on April 27, 2002. The competition portion of Robofest called RoboRescuers, is unique this year, due to the fact that participants need to (...) (22 years ago, 23-Mar-02, to lugnet.robotics.handyboard)
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| | Re: Two big robot events in April in New England!
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|
The Trinity College Fire-fighting Home Robots Contest is celebrated in the current issue of Dr. Dobbs' Journal (April 2002) in Ed Nisley's Embedded Space column (he's part of the event.) Ed's column was to me the most compelling feature of this (...) (22 years ago, 23-Mar-02, to lugnet.robotics.handyboard)
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| | Two big robot events in April in New England!
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|
Dear all, Mark your calendars for the premier robot events of spring in New England: SATURDAY, APRIL 6: ROBOTIC PARK AT PEACE DALE ELEMENTARY SCHOOL, Peace Dale, Rhode Island. Now in its eighth year, this is by far the biggest gathering of (...) (22 years ago, 23-Mar-02, to lugnet.robotics.handyboard)
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| |
| | Re: Rug Warrior
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|
Hi Liam, I have tried this.You'll have difficulties with the software drivers, especially with the microphone, the ir ranger, the PID controler etc., because the Rug Warrior board has another port configuration than the HB has. Furthermore the HB (...) (22 years ago, 21-Mar-02, to lugnet.robotics.handyboard)
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| | Rug Warrior
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Does anyone know if Rug warrior program in the book "Mobile Robots - Inspiration to implementation" can be run on a Handyboard? Has anyone run the Rug Warrior on Handyboard/Lego kit? Can the handyboard facilitate the same components? Thanks Liam (22 years ago, 10-Mar-02, to lugnet.robotics.handyboard)
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| | JBug11 - new freeware Windows HC11 monitor/debugger
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|
Hey all, People looking for HC11 utilities should be real interested in this one. JBug11 by John Beatty is a Windows 32-bit monitor/debugger for 68HC11 MCU's. As John states on his site, "Its development was inspired by the difficulty of running (...) (22 years ago, 4-Mar-02, to lugnet.robotics.handyboard)
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| | burned chip?
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|
Hi everyone, I've recently put together a handyboard kit. The construction went fine and I was very impressed with the step by step instructions provided from handyboard.com. Anyway, the board just stopped working after just two days of usage. I (...) (22 years ago, 28-Feb-02, to lugnet.robotics.handyboard)
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| | analog ports on handyboard?
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|
We are trying to use the Analog Ports with the Sharp GP2D12 and a potentiometer and are having difficulty with ports 0 -3. When we write to the ADCTL register to read any ports 0 - 3, it reads the respective high ports. For example, when we want to (...) (22 years ago, 27-Feb-02, to lugnet.robotics.handyboard)
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| |
| | Re: Echoing printf to terminal
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|
this is from george musser. enjoy. - fred My advanced library of routines ((URL) includes a kludgy way to echo printf() to the IC command line. Look at the function iprintf() in the file advlib_utility.c. The routine sets up a character pointer to (...) (22 years ago, 25-Feb-02, to lugnet.robotics.handyboard)
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| | Re: Echoing printf to terminal
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|
i don't know this offhand. you'd have to assemble the pcode source and look and see where it ends up. it's a ring buffer tho' so it might be a little tricky. you'd be better off patching the lcd print interrupt routine (it unspools one char per ms (...) (22 years ago, 25-Feb-02, to lugnet.robotics.handyboard)
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| |
| | Re: Echoing printf to terminal
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|
this is non-trivial. The -loopback option isn't what you think it is; it's a flag telling the downloader that the low-level serial ckt has a hardware echo. it's relevant to an earlier 6811 design (the mini board), not the HB design. this would (...) (22 years ago, 25-Feb-02, to lugnet.robotics.handyboard)
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| |
| | Re: Interactive C
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|
You have to coerce the int to a float, e.g: int i= 7; float j= 3.; float result; result = j * (float)i; The above should work. Please let me know if not. Fred (...) (22 years ago, 25-Feb-02, to lugnet.robotics.handyboard)
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| |
| | Echoing printf to terminal
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|
Hi folks, We have been looking for a way to echo the printf()s on LCD to the IC terminal on host computer (using 2.86 - freeware). IC has a -loopback option, but apparently that only works for HB rev 1.5 and earlier. Is there a way to do this with (...) (22 years ago, 25-Feb-02, to lugnet.robotics.handyboard)
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| | Interactive C
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|
(Perhaps this isn't the right place to ask questions about I.C. but it is related to the handy board so I will continue) I am trying to write a program that uses the lego sensors and multiplies them by constants that are floats. The expansion board (...) (22 years ago, 25-Feb-02, to lugnet.robotics.handyboard)
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| |
| | come to the First Annual New England Botfest, Saturday, March 9th!
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|
All, We're looking for people to bring robots, robotic gadgets, or any other sort of robotic invention/art/contra...n/whatever to our first annual New England Botfest. The BotFest is on Saturday March 9, 2002, at the UMass Lowell campus in Lowell, (...) (22 years ago, 25-Feb-02, to lugnet.robotics.handyboard)
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| |
| | Re: Handyboard, Servo motors
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|
Hi, You can check the link of how to hook up servo (look for by Gary Livick's contribution): (URL) will be easy if you have HB Expansion board since you just connect the servo directly into it. The servo library is already there for the expansion (...) (22 years ago, 20-Feb-02, to lugnet.robotics.handyboard)
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| | Handyboard, Servo motors
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|
I'm working on some research with the Handyboard, and I don't know too much about programming it yet. I've figured out how to work the DC motors but not the servo motors, I think I've attached the pins correctly to the wires on the servo motor but I (...) (22 years ago, 20-Feb-02, to lugnet.robotics.handyboard)
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| |
| | fwd: high currents kill handyboard?
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|
From: "Tanya Tickel" <sti398@merle.it.nor...stern.edu> Date: Sat Feb 16, 2002 10:47:20 AM US/Eastern Subject: high currents kill handyboard? Hi, If this could be forwarded to the LUGNET group, I'd be grateful. as of yet I haven't gotten permission. (...) (22 years ago, 18-Feb-02, to lugnet.robotics.handyboard)
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| | Connecting RX to Handyboard
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|
Hi all, I'd like to build a radio controlled robot and I wish to connect a radio receiver normally used for model airplanes to the Handyboard so it can receive the commands I send from the transmitter, check for sensor and then activate servos that (...) (22 years ago, 12-Feb-02, to lugnet.robotics.handyboard)
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| | Srial problem
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|
Hi. I am putting together a Handyboard and have been having success until it came time to test the bootstrap mode. The interface board's voltages check out and it blinks as it attempts to download. I am using an E1 and the Mac 6811 downloader. The E (...) (22 years ago, 9-Feb-02, to lugnet.robotics.handyboard)
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| |
| | Re: Sensor Connector
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|
The LEGO shaft encoder and light sensor are active sensors that need a special circuit. The Expansion Board for the HB provides this ckt and the requisite drivers. Your simplest path to using these with the HB is to get an Exp Bd. Barring that, you (...) (22 years ago, 7-Feb-02, to lugnet.robotics.handyboard)
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| |
| | Re: Sensor Connector
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|
(...) Thanks, I thought there might be a special connector but I see now that its a standard enough connector. Another question: How can I get the handy board to read from the lego rotation sensor and the lego light sensor? I can get the touch (...) (22 years ago, 7-Feb-02, to lugnet.robotics.handyboard)
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| |
| | Re: Sensor Connector
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|
Info on doing this is at (URL) . The male strip header is 929400-01-36-ND from Digikey. Fred (...) (22 years ago, 6-Feb-02, to lugnet.robotics.handyboard)
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| |
| | Re: Sensor Connector
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|
(...) Oh, that's easy. Just check out your local electronics store. I don't know if there is a Fry's Electronics in your area, but they have them. Radio Shack? I don't know, but I would assume anyone who sells electronic components would have them. (...) (22 years ago, 6-Feb-02, to lugnet.robotics.handyboard)
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| |
| | Re: Sensor Connector
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|
(...) Actually what I was looking for was how to make the male header pins to connect to the HB. Is there anywhere to buy them or how did you make them. Thanks for your answer, brendan (22 years ago, 6-Feb-02, to lugnet.robotics.handyboard)
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| |
| | Re: Sensor Connector
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(...) Actually, you can make a half way decent replica of the Lego two plate high connector at this point quite easily. When you prepare the 2x2 piece of the electric plate, cut the center circular section away from the underneath. Then, solder the (...) (22 years ago, 6-Feb-02, to lugnet.robotics.handyboard)
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| |
| | Re: Sensor Connector
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|
I've bought some lego electric plates (part 5037) from lego.com, and they seem to be withstanding the heat of a soldering iorn quite well (that was my fear... that I would turn them into bubbling messes). Actually they're holding up better than the (...) (22 years ago, 6-Feb-02, to lugnet.robotics.handyboard)
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| |
| | Sensor Connector
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|
I currently have lego motors and wires that I have used with the RCX but now Im using the Handy Board. The book explains how to connect the motor to the handy board by connecting a wire to a sensor connector but it doesnt state where to get such a (...) (22 years ago, 6-Feb-02, to lugnet.robotics.handyboard)
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| |
| | Premature announcement of Interactive C 4.0
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|
Actually, Fred's announcement is a little premature, sorry. Several important things to know if you do choose to download the current version of IC: 1) The libraries are tuned for the Botball contest (www.botball.org) and by default include a (...) (22 years ago, 29-Jan-02, to lugnet.robotics.handyboard)
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| |
| | Re: Interactive C Version 4 is available for free download
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|
Hi everyone, Randy sent me the enclosed msg which answers some of Scott's questions. Or at least, indicates they will be answered. I'd suggest we wait for Randy to update things as he indicates he will, and then later fire away with questions to (...) (22 years ago, 31-Jan-02, to lugnet.robotics.handyboard)
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| |
| | Re: Interactive C Version 4 is available for free download
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|
(...) To answer my own question, look in ./Interactive C 4.0/RCX/lib_rcx.doc for a list of RCX specific functions. To summarize the important ones: IC NQC ---...--- fd(A/B/C) OnFwd() bk(A/B/C) OnRev() brake(A/B/C) Off() off(A/B/C) Float() (...) (22 years ago, 31-Jan-02, to lugnet.robotics.handyboard)
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| |
| | Re: External motor power and expansion board combo problem?
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|
Duncan, You've done a good analysis of the potential impact of changing the motor supply to an external source....when you are using the Expansion Board. Undoubtedly there are several ways to accomplish what you want, but the way I did it DOES (...) (22 years ago, 31-Jan-02, to lugnet.robotics.handyboard)
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| |
| | Re: Interactive C Version 4 is available for free download
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|
Hi Fred Is there a summary of the new features developed in IC 4 ? From the Newton Labs IC 3.x page they list the improvements over the freeware (2.x) version as: (...) Does the 4.x pcode support structs/multidimensional arrays ? What extras does (...) (22 years ago, 31-Jan-02, to lugnet.robotics.handyboard)
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| |
| | Re: Interactive C Version 4 is available for free download
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|
(...) I started playing with this on the RCX last night. Is there a README somewhere on the RCX-specific aspects of the firmware? eg I noticed analog() isn't supported to read raw sensor readings, although digital() works to read passive touch (...) (22 years ago, 31-Jan-02, to lugnet.robotics.handyboard)
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| |
| | External motor power and expansion board combo problem?
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|
I wish to make the small mod to allow for external power to the motor outputs of the main board. However, this seems to cause several potential problems with the expansion board. First, the motor power connector is occupied by the motor power (...) (22 years ago, 30-Jan-02, to lugnet.robotics.handyboard)
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| |
| | Why can't we manipulate TMSK1
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|
Hello, We have some problems to manipulate TMSK1(address is 0x1022). We wrote the following test code: test.c ***...*** ***** void main() { int i, j; printf("\n"); i=peek(0x1022); printf("TMSK1=%d ", i); j=0x00; poke(0x1022, j); i=peek(0x1022); (...) (22 years ago, 29-Jan-02, to lugnet.robotics.handyboard)
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| |
| | Re: Interactive C Version 4 is available for free download
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Hi! When I first fired up IC 4 it was wiithout the expansion board, and the HB booted fine. I suppose you could save some memory and processor time if you didn't load the expansion board libraries.) The list of files it downloads seem to be in (...) (22 years ago, 29-Jan-02, to lugnet.robotics.handyboard)
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| | Crispy Fried Sonar Board?
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Yep I got this box of goods from Acroname, containing a sonar module and some servos. promptly tore it open, soldered the sonar jack to the board, and then apparently plugged the cable in backwards. When it didn't work, I put my hand on the sonar (...) (22 years ago, 29-Jan-02, to lugnet.robotics.handyboard)
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| | Help for measuring pulse width
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Hello, We are trying to write the code to measure the pulse width which is less than 1ms. We use the input capture ports to generate the interrupts. We wrote the interrupt service subroutine by assembly language. But since this is the first time for (...) (22 years ago, 28-Jan-02, to lugnet.robotics.handyboard)
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| | Broken Charger/Interface board--last chapter
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Well, it looks like reparing this charger/interface board is beyond me. I have now replaced all the capacitors, both 'lytic and not, and the MAX 232. I'have even been able to get an original Max232CPE. But the board doesn't work still. I get a (...) (22 years ago, 28-Jan-02, to lugnet.robotics.handyboard)
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| | Interactive C Version 4 is available for free download
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Hi everyone, The KISS Institute for Practical Robotics (KIPR), a non-profit educational organization, has been sponsoring continuing work on free versions of Interactive C. In the last week, Randy Sargent has announced Interactive C Version 4, which (...) (22 years ago, 28-Jan-02, to lugnet.robotics.handyboard)
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| | Re: Garmin GPS25-LVS
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Greetings, From the specs ((URL) the unit you have (LVS) supports a RS232C level connection. Since the HandyBoard uses TTL level signals, you would need an RS232C to TTL interface. This interface would be similar to the one used on the serial (...) (22 years ago, 27-Jan-02, to lugnet.robotics.handyboard)
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| | Re: Broken charger board...still broken
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Be sure you get the proper Max232 chip. I bought another, because I was having serial port problems, and thought it might be the Max232 chip... But the new one I bought wasnt *quite* right. What happened was in IC I could download pcode if I tried (...) (22 years ago, 27-Jan-02, to lugnet.robotics.handyboard)
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| | Broken charger board...still broken
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Hi all, just in case anyone feels like helping, I thought I'd post an update on the current (and very sick) state of the charger/interface board I accidently turbocharged by plugging the 120V adapter into a 240V outlet. As stated in a previous (...) (22 years ago, 27-Jan-02, to lugnet.robotics.handyboard)
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| | Garmin GPS25-LVS
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I am working on a robotic blimp project. I've acquired the Garmin GPS25-LVS receiver and I want to use it with the HandyBoard to control the blimp. Does anybody have a schematic that would show how to connect this GPS system to the HandyBoard, and (...) (22 years ago, 24-Jan-02, to lugnet.robotics.handyboard)
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| | Re: Probably burned serial interface -- need help
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Thanks to all who offered help. But I'm afraid I may need some more... In response to some questions: Yes the pop came from the board, not the wall-mounted adapter, and yes, I do have a voltmeter. But it hadn't occurred to me to check the testing (...) (22 years ago, 23-Jan-02, to lugnet.robotics.handyboard)
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| | Re: Compiling .icb files /Farnsworth files
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I thought originally you were interested in building .icb files, not rebuilding the pcode file. If you want to rebuild the pcode, you need the HB distribution of the pcode, which is at (URL) . There's also a makefile that has the flags for building (...) (22 years ago, 23-Jan-02, to lugnet.robotics.handyboard)
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| | Re: Probably burned serial interface -- need help
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Stefano, Do you have a voltmeter? (...) (22 years ago, 23-Jan-02, to lugnet.robotics.handyboard)
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| | Re: Compiling .icb files /Farnsworth files
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Fred, I've enclosed the section of the README that applies to my question: To build pcode for other robot boards, follow the instructions below. Copy the 'build_rw.bat' file to another, and replace the GCC command -D variables to the following for (...) (22 years ago, 23-Jan-02, to lugnet.robotics.handyboard)
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| | Re: Compiling .icb files /Farnsworth files
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refresh my memory -- what's in the README, what is the question? fred (...) (22 years ago, 22-Jan-02, to lugnet.robotics.handyboard)
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| | Re: Probably burned serial interface -- need help
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where did you hear the pop? in the wall-mounted transformer device, or the serial int board? fred (...) (22 years ago, 22-Jan-02, to lugnet.robotics.handyboard)
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| | Probably burned serial interface -- need help
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Hi all, yesterday I mistakenly plugged the 110V/9V AC adapter that feeds the Charger/serial interface into a 220V power supply (I live in NZ but used to live in the US and have a weird mix of appliances, converters, and transformers). After a few (...) (22 years ago, 22-Jan-02, to lugnet.robotics.handyboard)
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| | Compiling .icb files /Farnsworth files
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Howdy Fred, Yes, I did download the zip file from the HB site. As11_ic.bat is present. One question I have is with regards to the various references to Rev 2.1, Rev 2.2, et cetera, in the README file. How do these references relate to my V1.21 HB (...) (22 years ago, 22-Jan-02, to lugnet.robotics.handyboard)
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| | Re: Handyboard Sonar question
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I don't have any connector in the J11 space (middle right edge of the expansion board). All I have are 9 holes in the board that are in the same configuration as the bottom of the sonar module's 9-pin male connector. So if I solder the bottom of the (...) (22 years ago, 21-Jan-02, to lugnet.robotics.handyboard)
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| | Re: Senshist.icb etc
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hi john, the farnsworth stuff should work. did you download the zip file of programs from the HB site? there should be an as11_ic bat file in it. fred (...) (22 years ago, 20-Jan-02, to lugnet.robotics.handyboard)
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| | Handyboard Sonar question
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I've been trying to connect my sonar module according to the instructions in the following webpage: (URL) However, Since I'm using an expansion board with my Handyboard, the SCI port isn't available. Also, my expansion board didn't come with a (...) (22 years ago, 20-Jan-02, to lugnet.robotics.handyboard)
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| | Re: Help! Hanyboard Assembly Testing problem!---I think solved!
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Hey! I've put in the memory, and the LCD screen, and I have interactive C running! Pretty cool that I can print messages to the screen. So problem solved! Anyone have some good instructions on how to properly desolder a part? I almost screwed up my (...) (22 years ago, 17-Jan-02, to lugnet.robotics.handyboard)
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| | Reaching back to the past ...
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Fred, You recently pointed to the new "cricket" controller. Its pretty cool, however as you recall I am a big fan of the Miniboard, having used several in various robots over the years. I recently got a kit from Microchip that they use to teach (...) (22 years ago, 17-Jan-02, to lugnet.robotics.handyboard)
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| | Senshist.icb etc
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Fellow Lugnuts, I'm working with some of the files in Fred's 'Robotic Explorations' book and would like to use the Sensor History Routines (page 291, Section 6.5.7). Between the HB software pages and the book publisher's website, I've managed to get (...) (22 years ago, 17-Jan-02, to lugnet.robotics.handyboard)
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