 | | RE: 6 servos
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You can hook it directly to a PC serial port. Here is the note on it: 1.Controls eight hobby (R/C) servos. 2.Opto input takes RS-232, -422,-485, CMOS and TTL. 3.Baud rate configurable for 2400 or 9600. 4.Addressable up to 32 controllers on one port. (...) (29 years ago, 22-May-96, to lugnet.robotics.handyboard)
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| | Re: 6 servos and RS232...
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(...) From memory of my designer engineer days, the EIA RS232 specification quotes something along the lines of: logical level RS-232 level zero or idle -3V to +15V one +3V to -15V The spec gave maximum slew rates for signals and such specifics such (...) (29 years ago, 22-May-96, to lugnet.robotics.handyboard)
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| | Re: Expansion interface status
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Do you think Scott Edward would consider selling just the processor? The expansion board could be made to accept Scott's processor or an unprogrammed one if someone had a different application. Which processor does he use anyway? The other thing (...) (29 years ago, 22-May-96, to lugnet.robotics.handyboard)
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| | Re: Expansion interface status
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(...) To Fred and others, I've been thinking about this off and on for over a year now, and since I now have parts I'll finally get my HBs into something more than just board status. Robots eat I/O pins for lunch. Sensors eat input pins and (...) (29 years ago, 22-May-96, to lugnet.robotics.handyboard)
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| | PC serial connection
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Hi. I just got my hands on a new HB and I'm using a 100 MHZ DX PC. Hardware-wise, there's a perfect slot for the serial connection on my computer, which is not occupied. I hookes the serial connection to it and tried to download IC using COM port 4 (...) (29 years ago, 22-May-96, to lugnet.robotics.handyboard)
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