 | | Polaroid sonar connector
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Does ANYONE out there know how I can get my hands on a couple of the sockets that will accomodate the 9-pin Burndy connector plugs that come with the Polaroid sonar modules? I've searched the web, but haven't been able to find what I'm looking for. (...) (27 years ago, 7-Mar-98, to lugnet.robotics.handyboard)
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| | Re: how to use IR recievers?
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At 11:12 PM 3/6/98 -0800, patrick wrote: (snip) (...) If the VCR isn't totally dead, maybe you could plug in what's left of it and probe the leads that used to go to the IR module for a live one? (snip) (...) The HB comes with a modulated IR beacon (...) (27 years ago, 7-Mar-98, to lugnet.robotics.handyboard)
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| | Re: pcode_hb_.s19
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I am not sure what do you mean from the mail. Could you try to download with an option to save the file to a disk ? -Pdp. ---...--- (...) space (...) (27 years ago, 7-Mar-98, to lugnet.robotics.handyboard)
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| | IR transmitter
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Hi all, Can someone tell me how to enable the onboard IR transmitter, when i enter ir_xmit_on(); i get a message that says function undifined. Thanks, Clancy. (27 years ago, 7-Mar-98, to lugnet.robotics.handyboard)
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| | how to use IR recievers?
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I remember some lively discussions concerning the use of an ir sensor (like from an ex-vcr) to locate objects, walls, etc. I didn't have a handy board at the time, but saved the messages for the time that I got one. Well that time is now, but I have (...) (27 years ago, 7-Mar-98, to lugnet.robotics.handyboard)
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| | pcode_hb_.s19
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Hey! I ResEditted my pcode_hb.s19 file that i got from netscape into the Init application. It then started up and said Fatal Error <> undefined hex character. Could somebody, if they have the time, send me copy of this? Im stuck here on an aging (...) (27 years ago, 7-Mar-98, to lugnet.robotics.handyboard)
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| | Re: 3v Motors
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(...) There are instructions on the Handy Board web site for how to sever the motor power trace on the HB and plug in a separate battery pack for the motors. This allows you to use a motor battery of any voltage you like up to about 36 V. If you (...) (27 years ago, 6-Mar-98, to lugnet.robotics.handyboard)
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| | RE: 68HC11S IN THE UK
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Hi Dave, You can get them from RS, they deal with the general public via a company called Electromail (tel 01536 204555). The price for the HC11A1 was 7.5 GBP plus VAT and delivery, this was in the October 97 catalogue so they may have increased the (...) (27 years ago, 6-Mar-98, to lugnet.robotics.handyboard)
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| | 3v Motors
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Hello all, I have been having problems finding motors suitable to use with my Handy Board(5-12v 600mA) but I do have two 3v motors with quite good gear boxes and i was wandering what the best way was to use them? Thanks, Brennan Mair gysmo@es.co.nz (27 years ago, 6-Mar-98, to lugnet.robotics.handyboard)
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| | Re: V2X Compass
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(...) We used the V2X and, due to space considerations on our test platform, placed the compass within 4 inches of the DC motors driving the vehicle. We had no noteworthy error that we could attribute to magnetic coupling. -d The Fourth Law of (...) (27 years ago, 6-Mar-98, to lugnet.robotics.handyboard)
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| | Re: Several different questions
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(...) Which serial port are you referring too? I know that this is entirely feasable with the SPI synchronous serial port, which is brought out on the HB. If you can afford 5 wires, I would recommend this port as it is a bit easier to debug. -d The (...) (27 years ago, 6-Mar-98, to lugnet.robotics.handyboard)
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| | Re: 68HC11S IN THE UK
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(...) You can try Farnell Electronics. Have a look at the on-line catalogue at (URL) had mine from there. They are quite happy to process private, credit card orders and are pretty quick. Actually most of the tricky bits my HandyBoard came from (...) (27 years ago, 5-Mar-98, to lugnet.robotics.handyboard)
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| | POWER GLITCH
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Hi. I keep trying to download programs into my handyboard and from the console it seems to work, but often it wont even download the code due to "Power Glitch" error messages. I think the Handyboard homepage had something about that being the wrong (...) (27 years ago, 5-Mar-98, to lugnet.robotics.handyboard)
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| | GETCHAR
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Hello, I am having trouble with the serial_getchar function in serialio. I would like to put a character into the received memory location directly without hanging the program. From what I understand (0x102f) is the location, however I don't know (...) (27 years ago, 4-Mar-98, to lugnet.robotics.handyboard)
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| | RE: LCD
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Digi-Key # 73-1037-ND (Optrex # DMC-16249B) works; also Mouser # 592-RCM2065R (Rohm # ?????) should work. Mind you, none of these bolt on unless you want to fab a couple of custom standoffs, but they will connect neatly and not flop around too (...) (27 years ago, 4-Mar-98, to lugnet.robotics.handyboard)
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| | Re: LCD
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We ordered a lot of our stuff from the states, delivery time wasnt bad as long as they had it in stock... you might try Electrosonic in vancouver (www.e-sonic.com), but digikey and the like down in the States are pretty good too. also, if you can (...) (27 years ago, 4-Mar-98, to lugnet.robotics.handyboard)
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| | Re: Optical Sensors
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With sumo wrestling robots, I find that the high freqency noise from the robots and motors tends to confuse the recievers, expecially the metallic impact and collateral damage :) The ring is small enough that, though sonar is useful, greater success (...) (27 years ago, 4-Mar-98, to lugnet.robotics.handyboard)
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| | Optical Sensors
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Hi All, I am making a Sumo Wrestling Robot at university. the robot is totally autonomous, and I was wondering if sonic transducers were the best for "seeing" another moving robot. Range is not necessary but desireable in the sensor. Previous robots (...) (27 years ago, 4-Mar-98, to lugnet.robotics.handyboard)
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| | IR sensors
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Hey! Im a high school kid playing around with a handyboard i got maybe a week ago. Do you guys know any reason why my IR sensors keep returning 255? I havent made the trip to Radio Shack to pick up an IR detector card yet, but Ive tried a couple (...) (27 years ago, 4-Mar-98, to lugnet.robotics.handyboard)
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| | confirmation of Cheap Lego gear motors
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Hey, you're right! I just ordered a couple and they said they were in stock I'd get them in 3 or 4 working days. ---...--- (...) item (...) only (...) that (...) know. (...) (27 years ago, 4-Mar-98, to lugnet.robotics.handyboard)
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| | Cheap Lego gear motors
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NEWS FLASH! Any of you who, like myself, have been waiting for Dacta to deliver (some time later this month) the Lego Technic 9V motor with gear reduction at $24.50 each might want to consider cancelling your order, because Lego Shop-At-Home (...) (27 years ago, 4-Mar-98, to lugnet.robotics.handyboard)
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| | IR Sensors
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Hey! Im a high school kid playing around with a handyboard i got maybe a week ago. Do you guys know any reason why my IR sensors keep returning 255? I havent made the trip to Radio Shack to pick up an IR detector card yet, but Ive tried a couple (...) (27 years ago, 4-Mar-98, to lugnet.robotics.handyboard)
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| | (no subject)
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I am sorry, but I want my address to take off from the list because I got almost about everybody's mail. thanx, latu fifita (27 years ago, 4-Mar-98, to lugnet.robotics.handyboard)
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| | Re: V2X Compass
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Hello all: I played with the V2X a year or so ago, and found that virtually anything magnetic interferes with readings. I found that the wiring in my office created false readings when the compass was moved around, especially if close to the walls. (...) (27 years ago, 4-Mar-98, to lugnet.robotics.handyboard)
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| | Re: Servo Question
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(...) I have a sonar mounted on a panning servo, and I just bought an el-cheapo Cirrus CS-50. (It is functionally equivalent to a JR/Hitec JR-507 or HS-300). It works fine, although it is a noisy little bugger (but other servos don't seem much (...) (27 years ago, 3-Mar-98, to lugnet.robotics.handyboard)
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| | robot contest at Penn State
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Hi All, The Penn State Abington College (Abington, Pa -- Phila., PA suburb) will host a preliminary fire-fighting robot contest on Sat, April 4, 1998 at 3pm. The fire-fighting contest is based on rules developed by Trinity College Fire-fighting (...) (27 years ago, 3-Mar-98, to lugnet.robotics.handyboard)
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| | Re: Servo Question
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I've had very good luck with the Cirrus CS-70 which is basically a Futaba S148 replacement. It costs less than $10 and is available mailorder from Hobby Shack (800) 854-8471. I've modified a bunch of these to act as wheel drive motors for small (...) (27 years ago, 3-Mar-98, to lugnet.robotics.handyboard)
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| | Servo Question
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To anyone who can help: I wish to setup a panning sensor array for my platform using an RC servo, and I have some questions on experiences with servo brands. I know that Futaba servos are well respected, but they are also expensive. Has anyone had (...) (27 years ago, 3-Mar-98, to lugnet.robotics.handyboard)
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| | LCD
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Can anyone suggest a good place to get a "bolt in" (I'm a car guy!)LCD that fits the handyboard nicely?? Also , does anyone know of a good parts supplier in Canada??? my local supplier can't supply me with some of the stuff... thanks Owen (...) (27 years ago, 3-Mar-98, to lugnet.robotics.handyboard)
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| | 68HC11S IN THE UK
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Hi everyone.. Okay, today's million dollar (or pounds actually!) question is ... WHERE THE HECK CAN I GET 68HC11's (A1) from in the United Kingdom?? Any suggestions would be much appreciated. Thanks -Dave [daveh@liteon.co.uk OR (...) (27 years ago, 3-Mar-98, to lugnet.robotics.handyboard)
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| | Re: Sonar Multiplexor Question
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Ed, I don't understand your response, but it sounds interesting. Can you elucidate? Stephen stephen.michael@mci.com (...) (27 years ago, 3-Mar-98, to lugnet.robotics.handyboard)
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| | Re: Sonar Multiplexor Question
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My $0.02 Transducers poled in sequence can us a count to four (or more) circuit/chip. One digital output can be used to advance the count. (...) ---...--- Ed Spike (27 years ago, 3-Mar-98, to lugnet.robotics.handyboard)
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| | Several different questions
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Hello everybody, I'm a new owner of the handy board and I have sereval problems to use the outputs and, as I'm new on the mailing list, I may ask questions already asked before or stupid questions so I apologize in advance. Today, I have several (...) (27 years ago, 3-Mar-98, to lugnet.robotics.handyboard)
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| | Re: V2X Compass
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Bill, I have not been able to try that with the v2x onboard the bot so far, every time I try to load anything while the v2x is running my handyboard wants to crash. Someone out there must have a code that they would be willing to share with some of (...) (27 years ago, 3-Mar-98, to lugnet.robotics.handyboard)
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| | Re: Sonar Multiplexor Question
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You get 4 SPI output digital ports in the HB. Read the section in the FAQ about the HB's digital outputs. These 4 can be used to select your transducer. You can pull one motor driver chip and get 2 more digital outputs. Kent has routines that uses (...) (27 years ago, 3-Mar-98, to lugnet.robotics.handyboard)
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| | Re: Sonar Multiplexor Question
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(...) I notice that Adam's circuit uses all 4 available SCI outputs to select the transducer, but the sonar board itself requires two of them already. Why not just get a 2-to-4 line demultiplexor, and use the remaining 2 SCI outputs to select the (...) (27 years ago, 2-Mar-98, to lugnet.robotics.handyboard)
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| | Re: Sonar Multiplexor Question
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(...) Ive never done this before, but couldnt you do this? Buy a multiplexer that will take 2 outputs and multiplex it to 4 outputs, since you will only be driving one at a time. To each individual output of the multiplex, wire the power to one (...) (27 years ago, 2-Mar-98, to lugnet.robotics.handyboard)
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| | Sonar Multiplexor Question
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To anyone on the list: I would like to drive 3-4 transducers from a single Polaroid sonar ranging unit. Adam Cox posted a circuit for doing this on the HandyBoard page -- I have a few questions regarding this and possible alternative solutions. Has (...) (27 years ago, 2-Mar-98, to lugnet.robotics.handyboard)
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| | Re: V2X Compass
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I have a question for you, how much does the compass deviate when the motors turn on. As an ex-sailor, one of the major consideration in using magnetic compasses is deviation, and on a small bot, the deviation would vary due to the changing (...) (27 years ago, 2-Mar-98, to lugnet.robotics.handyboard)
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| | IR sensor
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I am having troubles getting my ir sensor to work I did everything that is said in the technical reference and when I try to retrieve the data all I get is 255 the first time and 0 all the other times. I tried to deactivate it then activate it and (...) (27 years ago, 2-Mar-98, to lugnet.robotics.handyboard)
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