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Hello! I would like to know something: Does anyone know how the LCD screen on the Handyboard opreates? More specifically: 1) does it have 8 in ports (kinda like the opposite of a P.C.'s parallel port?) 2) does it have a strobe (or respond pin ) that (...) (28 years ago, 30-Mar-97, to lugnet.robotics.handyboard)
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| | Q1 : ztx614
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hi, I have been working on the handy board for a couple of weeks now and I'm having problems finding the ZTX614 NPN darlington transistor, Digikey has them on back order until mid april. I was wondering if there is reason that it should be placed on (...) (28 years ago, 29-Mar-97, to lugnet.robotics.handyboard)
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| | my HB project
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Well, I just finished putting together my handyboard project. I thought maybe people would be interested in checking it out. It is a robotic camera moving thingy that is mounted on the front of my fish tank. It can move the camera horizontally so (...) (28 years ago, 29-Mar-97, to lugnet.robotics.handyboard)
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| | re: IR frequency (fwd)
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(...) signals at exactly 38KHz? somebody had suggested using an oscilloscope..but how do i go about it? (28 years ago, 29-Mar-97, to lugnet.robotics.handyboard)
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| | Re: Sonar Transducer Multiplexor
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(...) The OC is simply a protective buffer to the SPI pins. When the SPI feeds a low with a pullup resistor it must be able to sink the current drawn by the resistor. I read some of the docs on the SPI pinouts and ("M68HC11 Reference Manual" Serial (...) (28 years ago, 29-Mar-97, to lugnet.robotics.handyboard)
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