 | | Ultimate4.33 layout for 68HC11 CPU board.
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Can anyone send me a ultimate (v 4.33) handyboard cpu-board layout for a double sided print? I'am making disco lights controled by the 68HC11 and can be programmed by 4 cursor keys. The lights are max. 20 A. P.S. I want to connect a 5v lithium (...) (27 years ago, 1-Jul-97, to lugnet.robotics.handyboard)
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| | Ultimate4.33 layout for 68HC11 CPU board.
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Can anyone send me a ultimate (v 4.33) handyboard cpu-board layout for a double sided print? I'am making disco lights controled by the 68HC11 and can be programmed by 4 cursor keys. The lights are max. 20 A. P.S. I want to connect a 5v lithium (...) (27 years ago, 1-Jul-97, to lugnet.robotics.handyboard)
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| | voice synthesis
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Has anyone been able to set up a voice synthesis circuit with their Handy Board? I remember that quite a few years ago, Radio Shack carried a pair of voice synthesis chips that appeared easy to connect to an 8 bit data bus or serial line, but my (...) (27 years ago, 1-Jul-97, to lugnet.robotics.handyboard)
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| | Ticks for start_process
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Hi Sriram, The "ticks" argument to start_process won't do what you want. The "ticks" argument to start_process is used for fine-tuning the relative amount of time different processes get. The number defines a single time "slice" -- that is, the (...) (27 years ago, 30-Jun-97, to lugnet.robotics.handyboard)
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| | Re: Memory system problems
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Robin, out team has had the same problem. And after much of the following troubleshooting, we narrowed it down to a faulty 6811. We replaced the chip and everything ran smoothly. Unfortunatly, I couldn't tell you how the chip was damaged, as it did (...) (27 years ago, 30-Jun-97, to lugnet.robotics.handyboard)
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| | Re: Robot lawnmowers
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<Jim Egbert (MARS list) expressed interest in building a robot lawnmower> I found the easiest way to cut the grass: live in an apartment and let the landlord worry about it :-) Radio Electronics published a very detailed series that showed how to (...) (27 years ago, 30-Jun-97, to lugnet.robotics.handyboard)
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| | Memory system problems
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Hi, I have been building my first handy board and I've managed to get things working until 6.0.5. My board downloads the pcode_hb.s19 file successfully, but when I reboot the LCD continues to show the single row of blocks and no beep. I have done (...) (27 years ago, 30-Jun-97, to lugnet.robotics.handyboard)
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| | Future versions of handyboard?
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Are there any plans in the works now for future versions of the handyboard? What new features would people like to see? Keith Keith Soldavin kas219@email.psu.edu (URL) (27 years ago, 30-Jun-97, to lugnet.robotics.handyboard)
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| | Re: spi serial port.
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(...) Tom Dickens built a RoboCat using four 68HC11 processors that talk over the SPI bus. He described the project in the JAN-MAR 1997 issue of ROBOTICS DIGEST. You can reach him at tpd6908@yak.ca.boeing.com or (206) 655-7748. Cheers, Michael A. (...) (27 years ago, 30-Jun-97, to lugnet.robotics.handyboard)
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| | Re: Communication with PC (2)
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REF: TCP/IP & the HandyBoard Hello Mr. Chuck, Thanks for the feedback and sorry for the delay of my own feedback. I inquired about the TCP/IP alternative because we have acquired two Nomadic Technologies Mercury RF TCP/IP modems. They are (...) (27 years ago, 30-Jun-97, to lugnet.robotics.handyboard)
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