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 Robotics / Handy Board / *6544 (-100)
  Any one have experence in robotic vision?
 
This really isnt a HB question but >>>> Have been reading a few vision books , thay all have formaulas and examples etc but none of them help you with actual code , my actual question is does any one have some example vision code in C or anything? (25 years ago, 2-Aug-99, to lugnet.robotics.handyboard)
 
  Noise on the handy board
 
Fred and handyboard experts, I have assembled two handyboards and I am now helping 15 other people build theirs at San Jose State University. I found a problem on the first two I build that I belive causes the Sharp GP2D02 not to work. The school (...) (25 years ago, 31-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Millisecond timing
 
(...) See the Polaroid sonar code (from the HB web site) for an example of how to measure timing signals on the TIC3 channel. You initialize with: bit_set( 0x1009, 0x30 ); /* ddrd */ bit_set( 0x1021, 1 ); /* at tctl2, */ bit_clear( 0x1021, 2 ); /* (...) (25 years ago, 30-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Millisecond timing
 
The clock speed on the Handy Board runs at 2 Mhz, which is plenty fast enough for most things IF you run the right code. IC, used in its C implementation is too slow to catch anything at 1 ms reliably. However, there are a few simple work arounds. (...) (25 years ago, 30-Jul-99, to lugnet.robotics.handyboard)
 
  Millisecond timing
 
I recently bought a Handy Board to use in acquiring time measurements varying by one millisecond. The Handy Board has a clock speed of 2kHz, therefore it should be able to measure down to one half millisecond. What I have found however is that the (...) (25 years ago, 30-Jul-99, to lugnet.robotics.handyboard)
 
  Can't bootstrap! & IR reflective sensors help
 
After assembling my own handyboard (ugh), and everything was (supposedly) solded OK, i tried to put the handyboard in bootstrap mode. But i get no results... i tested the stop button and it works fine (i compared with the OTHER handyboard i had)... (...) (25 years ago, 30-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Reading Serial Port
 
David Boosalis <dboosalis@mail.arc.nasa.gov> moved upon the face of the 'Net and spake thusly: (...) "Use The Source, Luke". Check the source code of the downloader in the Unix port of Interactive C. (...) I think you want 9600, not 921kbaud (unless (...) (25 years ago, 29-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Dead handyboard?
 
(...) Antistatic bags are conductive, right? You might have shorted the power to the ground via the bag itself, thereby killing your battery. Once a NiCad cell shorts, then it will can a large amount of current from a charger, possibly killing off a (...) (25 years ago, 29-Jul-99, to lugnet.robotics.handyboard)
 
  Dead handyboard?
 
My hb was working fine, I took it on a trip in an antistatic bag. When I took it out of the bag, the battery was completely drained. But as soon as I started to charge it, one of the resistors burned up. So I tried charging it via the interface (...) (25 years ago, 29-Jul-99, to lugnet.robotics.handyboard)
 
  Sharp GP2D12
 
Hi all, I want to use the GP2D12 distance measuring sensor with my handyboard. Does anybody know the pinout details for the three pins? Thanks, Thomas (25 years ago, 29-Jul-99, to lugnet.robotics.handyboard)
 
  Sharp GP2D12
 
(25 years ago, 29-Jul-99, to lugnet.robotics.handyboard)
 
  Re: R: Reading Serial Port
 
also remember that at 9600 baud or higher, you may not see the flashing of the serial LEDs. try setting the baud rate to 300 or even 110 if you're doing visual-flash debugging. fred In your message you said: (...) (25 years ago, 29-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Reading Serial Port
 
It isn't hanging, it's a blocking read until it recieves some specified number of characters. You can use a non blocking read by specifying O_NONBLOCK, in which case read() will return immediately. The Linux serial programming HOWTO is very good, I (...) (25 years ago, 29-Jul-99, to lugnet.robotics.handyboard)
 
  R: Reading Serial Port
 
You can try Java comm API, under linux too. (If you want to use java ... :-) Stefano ---...--- | Da: David Boosalis <dboosalis@mail.arc.nasa.gov> | A: handyboard mailist <handyboard@media.mit.edu> | Oggetto: Reading Serial Port | Data: 29 July 1999 (...) (25 years ago, 29-Jul-99, to lugnet.robotics.handyboard)
 
  Reading Serial Port
 
This is not really a HB question, but I am hoping someone here has experience in it anyway. My question is in how do you read the Serial port under Linux. The Linux HOWTO's give an example, which I show below. What happens is that it hangs on the (...) (25 years ago, 29-Jul-99, to lugnet.robotics.handyboard)
 
  Serial line output
 
Just started to learn how to use my new HB. In going through the IC manual I could not find any routines for writing to the serial port. Does anybody have a good example on how to write "hello world" to the serial port, and have the attached (...) (25 years ago, 29-Jul-99, to lugnet.robotics.handyboard)
 
  Re: submersible, ballast, depth sensor
 
Hi all, Seeing notes about the sub and all, I thought I shall share some info. I know this list is purely for HB enthusiasts and forgive me if this does not interest you. The reason I got involved in HB was when I planned to use HB for a Aerial (...) (25 years ago, 28-Jul-99, to lugnet.robotics.handyboard)
 
  Linking HB with UART
 
Recently , i am trying to use HB as the controller for a Remote control project . However , i have yet to figure out how to make the HB take in a 8 bit digital signal from the UART?Is there any circuit require to execute the describe function? i am (...) (25 years ago, 28-Jul-99, to lugnet.robotics.handyboard)
 
  RE: submersible, ballast, depth sensor
 
There is a whole community of Radio Control submariners who have extensive experience that you could make use of. If you want it to act like a true submarine with diving planes etc. you should definitely use their knowledge base. It is much harder (...) (25 years ago, 28-Jul-99, to lugnet.robotics.handyboard)
 
  Re: submersible, ballast, depth sensor
 
(...) Yes. You missed the "with a hole at the bottom connected to the water" which means that water comes in as you move the air to the reservoir. And this means reducing the effective volume of the submersible but keeping its weight. Just the same (...) (25 years ago, 28-Jul-99, to lugnet.robotics.handyboard)
 
  Re: submersible, ballast, depth sensor
 
(...) reservoir (...) time (...) I'm curious; what is the difference between the "buoyancy tank" and the "resevoir"? I'd think moving air from one tank to another won't actually affect buoyancy. Am I missing something? (...) cylinder (...) That's (...) (25 years ago, 28-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Linking HB with UART
 
That is what Radio Control modelers do all the time. The technology is mature and readily available. This would prevent any autonomy in the bot, you become the brains. Mike (...) (25 years ago, 28-Jul-99, to lugnet.robotics.handyboard)
 
  Re: submersible, ballast, depth sensor
 
Hi! I planned to build a sub myself about two years ago but couldn't find the time to build it. What I have to offer are some thoughts. Fortunately a submersible needs lots of ballast, so you can stuff it with lots of batteries and gear. So my plan (...) (25 years ago, 28-Jul-99, to lugnet.robotics.handyboard)
 
  (no subject)
 
Hi - We are building a submersible robot. For maintaning the depth we need a ballast system, we are planning to use a canister of compressed air with some electronnically controlled valves. In addition we are planning to use a depth sensor, Pressure (...) (25 years ago, 28-Jul-99, to lugnet.robotics.handyboard)
 
  Pulse timing
 
Hi all, After reading this Tilt Sensor message I had a look at www.analog.com and found they did samples of the chip. I got two samples the other day and so made a quick test pcb. The board seems to work ok looking at it with a scope but now I want (...) (25 years ago, 27-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Interfacing handyboard with Basic Stamp2
 
Hi, You can use the SPI interface and have the BS2 as a master. The BS2 then defines the clockspeed, because the slowest speed you can select on the 6811 is probably to high for the BS2. It is very simple to use this interface. See the "pink book" (...) (25 years ago, 27-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Voice Recognition Hardware
 
I actually bought one of these units (used) but have been unable to find out anything at all about them beyond the canned software. Any hints as to any sources? Ken McKinnon klmckin@magmacom.com (...) (25 years ago, 27-Jul-99, to lugnet.robotics.handyboard)
 
  Re: HB Serial line speed change
 
(...) I haven't looked at the schematics for the handyboard for a while, but if you use an E-series processor, then I think you can go up to 12MHz (3 MHz E-Clock). I'm not sure whether the rest of the Handyboard could take the increased speed, and (...) (25 years ago, 26-Jul-99, to lugnet.robotics.handyboard)
 
  Interfacing handyboard with Basic Stamp2
 
Hello to everybody. I would like to ask if is possible to interface the handyboard with the basic stamp2 using not the RS232. Thanks beforehand. (25 years ago, 26-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Weak Motor
 
(...) It wouldnt be wise to directly connect your 12V supply to the Handy Board... even if it doesnt cause damage to your Handy Board, I dont think your motor will be able to draw sufficient current from the motor port to run properly. Rather, you (...) (25 years ago, 26-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Voice Recognition Hardware
 
Try to track down a company called "CoVox". These guys used to have a speech recognition device that ran on the Apple II (6502) that was pretty cool (speaker dependent of course). Also there is a speech recognition chip for use in toys the HM002 or (...) (25 years ago, 26-Jul-99, to lugnet.robotics.handyboard)
 
  Voice Recognition Hardware
 
Greetings All! I was wondering if anybody out there knows of any good, relatively inexpensive, (<$350) Voice recognition hardware that is relatively easily interfaced to the handy board? Thank you very much. -Ryan Meuth (25 years ago, 26-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Weak Motor
 
(...) I remember someone saying a few months ago that if you use a 12 V battery with the HB, then the HB's built-in charging circuit won't work properly, and that 12 V batteries can initially deliver up to about 14 V, which wouldn't be very kind to (...) (25 years ago, 25-Jul-99, to lugnet.robotics.handyboard)
 
  Re: something is wrong with my handyboard
 
I had a similar problem. In my case, the cause was underneath the board. I had not trimmed one of the components leads enough. When I screwing the board into the case the lead eventually pierced one of the wires going to my Nicad pac. My board would (...) (25 years ago, 25-Jul-99, to lugnet.robotics.handyboard)
 
  Re: HB Serial line speed change
 
(...) Note that this will also require that you disable interrupts, and that will mess up your motors. However, it should be possible. --Chuck (25 years ago, 25-Jul-99, to lugnet.robotics.handyboard)
 
  Re: HB Serial line speed change
 
(...) You can communicate at higher baud rates (19200 or 38400) on an 8MHz 68HC11 if you disable SCI and use software "bit-bashing" routines. I have enclosed examples of such routines in sw_baud.s11 file. Setting the BIT_TIME to 52 or 104 allows you (...) (25 years ago, 25-Jul-99, to lugnet.robotics.handyboard)
 
  Re: HB Serial line speed change
 
(...) The definitive answer comes from the "pink" book, which everyone should have (especially now that you can get it on CD-rom for free by filling out the form on the Mot web site!) Which basically says "No you can't do that." But it says it in a (...) (25 years ago, 24-Jul-99, to lugnet.robotics.handyboard)
 
  Re: something is wrong with my handyboard
 
Chau, sounds like either (a) your LCD screen went bad, or (b) there is a bad connection betw the LCD screen and the rest of the HB. fred In your message you said: (...) (25 years ago, 24-Jul-99, to lugnet.robotics.handyboard)
 
  Weak Motor
 
I have try to run the handy board using the standard DC 9V motor purchase from one of the vendors. However , it does not seem be able to move very well though i put it to 100% of its capacity. I am now working on a project to built a remote car (...) (25 years ago, 24-Jul-99, to lugnet.robotics.handyboard)
 
  Re: HB Serial line speed change
 
Here is the relevant function. Note that it only works for baud rates up to 9600. void set_baud(int rate) /* For an 8 MHz clock */ { if (rate >= 300) poke(BAUD, 0xb0 | log2(9600/rate)); } You'll need regdefines.c (for the address of BAUD) as well as (...) (25 years ago, 24-Jul-99, to lugnet.robotics.handyboard)
 
  Re: something is wrong with my handyboard
 
it sounds like the pcode is going down onto the board, but you may have an open on your lcd header / connector. if you can talk to the board using ic (make it beep or such) then it's just the lcd output. check for open circuits first. (...) (25 years ago, 24-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Yet another board
 
Chuck, nice dream! I would be in too. But why not design a kind of a extension board which would replace the curend extension board? It would save some money i guess. Thomas. (...) (25 years ago, 23-Jul-99, to lugnet.robotics.handyboard)
 
  Re: something is wrong with my handyboard
 
Can you put the board in bootstrap mode? (...) (25 years ago, 23-Jul-99, to lugnet.robotics.handyboard)
 
  something is wrong with my handyboard
 
when I turn on my handyboard, a row of black squares appears on the top line of the LCD screen. I have had friends check for shorts and I have redownloaded the pcode_hb.s19 programs on to the handyboard (as the FAQ part of the handyboard web page (...) (25 years ago, 23-Jul-99, to lugnet.robotics.handyboard)
 
  Re: IC Problem
 
(...) I had to go RTFM for this one ;-) It says: 5.6 Arrays and Pointers IC supports one-dimensional arrays of characters, integers, long integers, and floating-point numbers. Pointers to data items and arrays are supported. It doesn't say that (...) (25 years ago, 23-Jul-99, to lugnet.robotics.handyboard)
 
  Re: HB Serial line speed change
 
To add to Martin's question, how can you change the baud rate used by IC 3.x? It's easy enough to alter the speed of the UART by setting the BAUD register or POKEing the relevant location in the pcode interpreter. Randy Sargent's code fragments can (...) (25 years ago, 23-Jul-99, to lugnet.robotics.handyboard)
 
  HB Serial line speed change
 
Hi! I'm asking this again, since I've got no definitive answer: Is it possible to change the speed of the HB serial line to 19200? I need to communicate with a device which has a fix 19200 setting! Is it possible or can I forget the HB for this (...) (25 years ago, 23-Jul-99, to lugnet.robotics.handyboard)
 
  IC Problem
 
-- Hello. I hope you can help. I'm using IC 3.1 for Linux and am having a problem with structs. I had code which ran fine under gcc, but ic hates it. I've got an array of pointers to a strct, struct SOFM *ptrSOM[4] and then within the program for (...) (25 years ago, 23-Jul-99, to lugnet.robotics.handyboard)
 
  Difference between TO-220 and TO-220AB
 
What's the difference between these two transistor packages. They seem to amount to a significant price difference. Any realizable performace differences between these two? ---...--- ericson mar Robotics Consultant mar@cooper.edu (212)353-4356 (...) (25 years ago, 22-Jul-99, to lugnet.robotics.handyboard)
 
  Looking for something
 
Does anybody have an idea where I can lay my hands on two L298 h-bridges. I've looked at all the normal elec. supply places and can't seem to find em. I need two. Would appreciate any help or suggestions. Thanks (25 years ago, 22-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Quickcam - Sharp LCD - Help
 
Ooops ... I gave the wrong URL below (paste error). Should have been as follows (URL) -- Doug (...) (25 years ago, 22-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Quickcam - Sharp LCD - Help
 
(...) There isn't a whole lot of RAM and clock cycles to deal with video on the 68HC11. A more reasonable solution would be to use a wireless transmitter to send video signals to a receiver that interfaces to a TV or some other host computer with (...) (25 years ago, 22-Jul-99, to lugnet.robotics.handyboard)
 
  Quickcam - Sharp LCD - Help
 
Hello All- Any one have interest in making the B&W (or Color) Quickcam work in with the handyboard? That would be DELUXE. Speaking about the Quickcam, it is possible to modify the camera so that it can feed into a TV? What part is the CCD on there? (...) (25 years ago, 21-Jul-99, to lugnet.robotics.handyboard)
 
  Rules for BEAM competition
 
I did some more research (I'v got some time to spare) and came up with this site: (URL) think it's the official site. Also there is a list of other robot competitions at the site (URL) (25 years ago, 21-Jul-99, to lugnet.robotics.handyboard)
 
  Re: MIT Micromouse Rulez!
 
The micromouse competition sounded interesting to me and since I had never heard of it, I did a quick search finding the rules at: (URL) questions can be addressed to otten@mit.edu Has anyone in the handyboard forum competed before? -john (25 years ago, 21-Jul-99, to lugnet.robotics.handyboard)
 
  Time Disply
 
Is there any way to format the time displayed on the Handy Board screen? I want to display time out to 4 decimal places and no more. Bill Landahl (25 years ago, 21-Jul-99, to lugnet.robotics.handyboard)
 
  Re: MIT - micromouse rules
 
I'll rephrase.... Can anyone give me the link to the BEAM Robot Olympics and micromouse cometition rules and guidelines? Thanks (...) (25 years ago, 20-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Yet another board
 
Chuck, I would probably buy it, even for $300. That is if it had all the capabilities you specify and was able to handle all the various sensors and hardware PWM that I currently am working with on the handyboard. Scott (...) Scott Sherman IT Spec. (...) (25 years ago, 20-Jul-99, to lugnet.robotics.handyboard)
 
  MIT - micromouse rules
 
Can anyone tell me the link of the MIT - micromouse contest rules. I have them on hard copy but I was wondering if they were on the net somewhere? Sean (25 years ago, 18-Jul-99, to lugnet.robotics.handyboard)
 
  Memory error
 
I just assembled my handyboard, but i get some memory errors (almost everywhere, but the addresses vary in some bytes)... i tested two different RAM chips and i still get the errors. They're intermitent (i get many .........'s then many errors, then (...) (25 years ago, 18-Jul-99, to lugnet.robotics.handyboard)
 
  IC Code Site Address
 
(...) That was stupid! Glad I checked my email before I left. (URL) will be at /IC/code Sorry all. It was past my bedtime (10pm, not a word) (25 years ago, 17-Jul-99, to lugnet.robotics.handyboard)
 
  Re: IC Code Site is Up
 
(...) What's the URL? (25 years ago, 17-Jul-99, to lugnet.robotics.handyboard)
 
  IC Code Site is Up
 
OK, I've done it. I've made a site for code and tips. I'll take anykind of code for any board. The site's up, but barren. I'm leaving town tomarrow, and don't have enough time to get any code listed. I wanted to get it up so everybody can look at (...) (25 years ago, 17-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Servo?
 
Use the servo code on the handy board website. Then connect the yellow wire to digital input 9, the red one to logic power (+5V) ,and the black to motor ground. (...) -=-=-=-=-=-=-=-=-=-=...-=-=-=-=-= Music is well said to be the speech of angels; (...) (25 years ago, 17-Jul-99, to lugnet.robotics.handyboard)
 
  Servo?
 
Hello guys. I'm new to this stuff so please help me out with this. I want to wire up two servo motors to the handy board. There are three wires to the servo motors. A red wire for 4.8 - 6 vdc, a black wire for ground, and a yellow wire for a (...) (25 years ago, 17-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Yet another board
 
(...) what page was that greg??. url pointers please. thanks aaron. (25 years ago, 16-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Subsumption Architecture
 
Hi Lisa, Thank you for posting the link to the ic subsumption code at (URL) downloaded the code to my handyboard and it will help me toward understanding ic . ---...--- (...) (25 years ago, 16-Jul-99, to lugnet.robotics.handyboard)
 
  Yet another board
 
Hello Everyone, I've had something of a vision, and I don't think it was spoiled food :-) And I'd like some feedback on it. Bear with me, it requires a bit of set up. After working with Handyboards, Miniboards, 6.270 Boards, BOTBoards and other (...) (25 years ago, 16-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Yet another board
 
Chuck, you may find this page of interest. UC Berkeley has put a 68HC11 with a Xilinx chip together for their natcar enter.A RC car race sponsored by national semiconductor. good luck!! Greg (...) (25 years ago, 16-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Subsumption Architecture
 
Thanks to all (especially Lisa Meeden) for your responses to my request for behavior control help. I'm on my way to learning! Thanks, - Nick - (25 years ago, 16-Jul-99, to lugnet.robotics.handyboard)
 
  [Fwd: 19200 serial link / IC site]
 
(...) Glad you brought that up. I would, of course, take code for the miniboard, fingerboard, etc. I use the F1 board myself. There are enough people out there who like to port things, anyway. I'll start working on it, but it'll take some time. I've (...) (25 years ago, 16-Jul-99, to lugnet.robotics.handyboard)
 
  Re: 19200 serial link / IC site
 
(...) Whoa! Somebody slap me if I'm wrong, but I thought the HB was incapable of using speeds far above 9600. If it's not, then I've been wasting time. The only thing I could think of doing is building a data buffer, but it seems like that would (...) (25 years ago, 16-Jul-99, to lugnet.robotics.handyboard)
 
  RE: Stepper Motor problems
 
I can offer that in my C++ course I learned that in order to pass a variable name into the array size declaration, it must be a const int type. Don't know if that's true for Ic, but if it is, you'll be able to keep your cycle_length variable. (...) (25 years ago, 16-Jul-99, to lugnet.robotics.handyboard)
 
  HB Serial line speed change
 
Hi! Is it possible to change the speed of the serial line to 19200? I need to communicate with a device which has a fix 19200 setting! Martin Martin Frischherz frisch@kapsch.net (25 years ago, 16-Jul-99, to lugnet.robotics.handyboard)
 
  (no subject)
 
i was wondering if i can use a dallas DS1225ab-150 for my battery backed ram... i found one on my scrap board. thanks (25 years ago, 15-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Stepper Motor problems
 
I just got the stepper rountine working in my board this weekend. There were some problems initially. I had to replace the cycle_length with the actual number (4). There were also some errors with variable type conversions, for example FAST and SLOW (...) (25 years ago, 15-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Source for TI SN754410
 
(...) I went to www.ti.com and got three of them for free. Search around and you'll find that they have samples of some things. I can't remember exactly where, but I found it from the main site. (25 years ago, 14-Jul-99, to lugnet.robotics.handyboard)
 
  Stepper Motor problems
 
Hi Again, I've been trying to get two stepper motors to work with my HB, with little success. Firstly the software by Peter Harrison does not seem to compile when I try to load it to the Board. The error is in line 29; " int (...) (25 years ago, 14-Jul-99, to lugnet.robotics.handyboard)
 
  Source for TI SN754410
 
Hi All ... Will someone please point me to where I can buy SN754410 chips. I seem to have lost my bookmark. Thanks, - Nick - (25 years ago, 14-Jul-99, to lugnet.robotics.handyboard)
 
  Two 6500 Sonar Module Trouble
 
-- MIME ATTACHMENTS DISCARDED: 1. Content-Type: text/plain; charset="ks_c_5601-1987" Content-Transfer-Encoding: base64 Content-Length: 682 2. Content-Type: text/html; charset="ks_c_5601-1987" Content-Transfer-Encoding: base64 Content-Length: 1529 (25 years ago, 14-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Subsumption Architecture
 
For a Quicktime Demo of applied Subsumption at work, go to www.cooper.edu/~mar. ---...--- ericson mar Robotics Consultant mar@cooper.edu (212)353-4356 Department of Mechanical Engineering The Cooper Union for the Advancement of Science and Art (...) (25 years ago, 14-Jul-99, to lugnet.robotics.handyboard)
 
  Re: No heartbeat when switch on
 
did you try reloading the operating program, pcode_hb.s19? use hbdl on windows or 6811 downloader mcl on macintosh. this program (pcode_hb.s19) must be resident on the HB at all times. it sounds like for whatever reason it got corrupted. this isn't (...) (25 years ago, 13-Jul-99, to lugnet.robotics.handyboard)
 
  No heartbeat when switch on
 
Hello I had used the HB for a few days already. Recently when I used the HB to drive 4 9V motors, the L293D chips got very hot. After that it LEDs start lighting up without the software turning on the motors. So I replace the L293D chips. Now when I (...) (25 years ago, 13-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Subsumption Architecture
 
"Eat Bugs!" wrote: [snip] (...) Jonathan: As a relative newbie I'd be very interested in seeing a HandyBoard code (IC and assembler) site. Copying and then modifying other people's code has been a great learning tool for me. Copying one person's (...) (25 years ago, 13-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Subsumption Architecture
 
(...) I have used this method, to great effect. It seemed upon first try that it was just too darn big to do any good, but if you're creative it's really pretty efficient. I *would* share my code, but it all burned up in a fire (he-he). Actually, I (...) (25 years ago, 12-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Problem with accessing analog and digital ports on HB with IC2.81
 
you have to use the HB libraries; you're probably using the 6.270 Board libraries. get the new libs from (URL) . run 'ic -config' to change the default library to lib_hb.lis. fred In your message you said: (...) (25 years ago, 12-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Subsumption Architecture
 
(...) Nick, I used Handy Boards in my AI class last year and have several labs available on the web. Check out the link: (URL) look at the "Lab 3" link for some starter code on subsumption architecture. Lisa (25 years ago, 12-Jul-99, to lugnet.robotics.handyboard)
 
  Problem with accessing analog and digital ports on HB with IC2.81
 
Hello, (newbie warning - I've read the FAQ and manuals, but I may still be missing something very trivial. Still, thanks for making it so far!) I just bought a handyboard from Gleason Research (with the expansion board) and started going through the (...) (25 years ago, 12-Jul-99, to lugnet.robotics.handyboard)
 
  TAKE ME OFF THIS LIST ***
 
Ive tried the method described @ the web site but it doesnt seem to work can you please take me off the list I no longer wish to recieve it. Thanks -Mike (25 years ago, 11-Jul-99, to lugnet.robotics.handyboard)
 
  Re: encoders and analog ports
 
(...) well once again i've learnt the hardway. always get the latest software. downloaded the new libs, and that fixed me up. i was using the libs from when i first started with the hb (years ago). all my analogs are stable again. i am very happy. (...) (25 years ago, 11-Jul-99, to lugnet.robotics.handyboard)
 
  Re: encoders and analog ports
 
are you using the .icb version of the analog driver? make sure you are using the latest set of libraries for the HB from the web site. i'm just guessing at this point. next follow up, please provide a listing of exactly what lib files are being (...) (25 years ago, 10-Jul-99, to lugnet.robotics.handyboard)
 
  serial servo controller
 
Does anyone here have experience with the NetMedia Servo 8 Torque controller board. Available from: (URL) $60 post paid. It controls up to 8 servos and provides position and torque feedback for each servo upon request. Looks good for my walker. Any (...) (25 years ago, 10-Jul-99, to lugnet.robotics.handyboard)
 
  Subsumption Architecture
 
Hello All: Reading "Mobile Robots" by Jones & Flynn has gotten me interested in implementing subsumption architecture (also known as behavior control) on my HandyBoard. I've found one site that has related material: (URL) How many of your are (or (...) (25 years ago, 9-Jul-99, to lugnet.robotics.handyboard)
 
  Re: encoders and analog ports
 
thanks fred. i'm now using the servo_a7.icb routines to drive my servo. i am still experiencing problems with the analog ports. i have cascading if then else statements that yield varying responses from my 5 analog ldr's. i have put printf's (...) (25 years ago, 9-Jul-99, to lugnet.robotics.handyboard)
 
  Re: Opto-reflector
 
Hi, it seems that my opto-sensor is not fast enought to "catch" the black & white strip which stick on the robot wheels running at 25rpm. Maybe it is due to the program timing with the start_process command. Or maybe I need to replace it with shaft (...) (25 years ago, 9-Jul-99, to lugnet.robotics.handyboard)
 
  Sonar numbers
 
I connected my 6500 series sonar ranging module to my expansion using the 9 pin connector. I called the function sonar_display() and got a clicking sound. The numbers being displayed to the LDC are between 1254 and 1301. Moving an object to and from (...) (25 years ago, 8-Jul-99, to lugnet.robotics.handyboard)
 
  Re: encoders and analog ports
 
my shaft encoder routines are not compatible with the old servo routines. please try the new servo routines at (URL)hi there (...) (25 years ago, 8-Jul-99, to lugnet.robotics.handyboard)
 
  encoders and analog ports
 
hi there i'm not yet receiving this list so could any replies please not leave out my direct email. my problem is thus. i've got 5 of the hb's analog ports used by ldr's. they all work fine and have done so as line detectors for 3 years now. i have (...) (25 years ago, 7-Jul-99, to lugnet.robotics.handyboard)
 
  Re: loading code
 
(...) Hi Bill ... Kill the #include ... IC doesn't use any header files. RTFM at: (URL) fun, - Nick - (25 years ago, 7-Jul-99, to lugnet.robotics.handyboard)
 
  loading code
 
What is the first line to use for any IC program??? I'm using #include <stdio.h> and kepp getting compile errors. Tried variations but no luck. Thanks a lot! (25 years ago, 7-Jul-99, to lugnet.robotics.handyboard)


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