 | | 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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