 | | Re: color sensors
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I wonder whether there are some phototransistors out there that have peak sensitivity to a small range of the visible spectrum. Preferably to "one color". Can anyone fill in here? ---...--- ericson mar Robotics Consultant mar@cooper.edu (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: MC68HC11A1FN
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Your message said: (...) Jon, I had the same question a while back and was overwhelmed with the number of handy board enthusiasts who clued me into BG Micro. I checked their website, searched for MC68HC11A1FN and sure enough! --there it is for less (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: MC68HC11A1FN
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Are you sure about that! I just checked B.G. Micro today and they have it in stock Part# ICS68HC11A1 $6.95 ea. Try again go to shop online and enter 68HC11A1FN in the search field. -----Original Message----- From: Jon Ryan Schuck (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: MC68HC11A1FN
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BG Micro DOES sell it, I just checked with them last week, and plan on purchasing a couple myself this coming week. They sell it for less than 7 dollars a piece! Good luck. -- /---...---\ Eric Smiley Duke University Delta Kappa Epsilon House 1C1 rm. (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: color sensors
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(...) What about putting different color filters in front of a photo transister, like you would on a camera. You could then enhance certain colors by filtering out the others. You may have to deal with some reduction in sensitivity but it may be (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | IR Sensors
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Hi everyone, I've hooked up the QRB1114 infrared sensors to the analog input ports. Although they appear to be operating, their values make little sense. Whether a black or white object is placed in front of the sensor, the Handyboard reads in a low (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Servos and solenoids
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I won't attempt to power your servos with 9v. Those servos are designed to work off a 4.8v battery pack, you'll most likely smoke'm. Wayne -----Original Message----- From: J.W. Pennington <jwp@awod.com> To: handyboard@media.mit.edu (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Servos and solenoids
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First, The Handyboard's motor output is 9 volts, does anyone know if Futaba's small servos handle this well? I have two S3003 servos that I'd like to use. Second, Has anyone run a solenoid from a motor output? I'm assuming that it would do fine, PWM (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | MC68HC11A1FN
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Does anyone know a good place to purchase the MC68HC11A1FN chip? I haven't found a single place. Motorola doesn't seem to sell them... neither does BG MICRO. Jon (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: IR Sensors
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(...) Many optically black materials do not at all affect the IR range of the spectrum. It is possible that your black object is not black (read "absorbant") to IR and simply reflects it just like the white. Try several different materials. Many may (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: parallel port access
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has anyone tried to access the parallel port with visual basic? chen (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: RF VIDEO?
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I recall seeing a Video transmitter "Video sender" at Biway a while back actually i own one. It transmittes on the UHF and the picture quality is quite good. It's the size a colts package just twice the height, and only $20 Canadian. It has a audio (...) (26 years ago, 18-Feb-99, to lugnet.robotics.handyboard)
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| | Expansion board
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I´ve some troubles with my expansion board kit. All work fine but: 1. when the motor 0 is set to go back (for example: motor(0,-50)) signal is too low (-0,1 v) red led no lite. 2. I´ve connected a polaroid range module and run sonar.c functions. The (...) (26 years ago, 18-Feb-99, to lugnet.robotics.handyboard)
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| | please remove me from mailing list
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please remove me from your mailing list it was a lot of help on my robot thanks wayne diamondw@kennecott.com (26 years ago, 18-Feb-99, to lugnet.robotics.handyboard)
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| | Interrupt Question
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I'm trying to implement a hardware shaft encoder routine similar to the the one described in the Mobile Robots Book for my Handy Board. I'm using the pulse acumulator for the left encoder and TIC2 for the right shaft encoder. They are both (...) (26 years ago, 18-Feb-99, to lugnet.robotics.handyboard)
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| | Interrupt routine question
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I'm trying to implement a hardware shaft encoder routine similar to the the one described in the Mobile Robots Book for my Handy Board. I'm using the pulse acumulator for the left encoder and TIC2 for the right shaft encoder. They are both (...) (26 years ago, 18-Feb-99, to lugnet.robotics.handyboard)
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| | Unsuscribe
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I would like to unsuscribe from the mailing list. Thank you (26 years ago, 18-Feb-99, to lugnet.robotics.handyboard)
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| | Re: IR ranging unit GP2D02
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Hallo Thomas, ja ja, der GP2D02 ist ein feines Ding. Gute Infos und ein Interface findes Du (URL) Spass Bernd Klein P.S. Was baust Du denn zur Zeit ? Ich beschäftige mich mit SUMO-Roboter. Derzeit baue ich einen 1000g Sumo mit Synchronantrieb. Mit (...) (26 years ago, 18-Feb-99, to lugnet.robotics.handyboard)
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| | Re: RF VIDEO?
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Check out these cameras/transmitters: (6 URLs) thing is, they all tune into channel 59 on any television, or video capture card on a PC (even a laptop with PC Card). -- Doug (26 years ago, 18-Feb-99, to lugnet.robotics.handyboard)
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| | Linx Technologies RF Modem
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I purchased the Linx Technologies HP development kit a few months ago, and I couldn't get the PC to communicate with the Handyboard. After swapping the modules around a bit, I found that one of the Receiver modules was not working. I contacted Linx, (...) (26 years ago, 18-Feb-99, to lugnet.robotics.handyboard)
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