 | | RE: interface problem
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This can take a long time. Start by making sure that the cable is correct. You can do this by changing the Rx and Tx lines. If this does not help de Maxim serial driver can be faulty. Last check the solder joints.I once looked at them and could not (...) (26 years ago, 13-Jan-99, to lugnet.robotics.handyboard)
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| | Radiometrix address
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Radiometrix Ltd. is at lemosint@ma.ultranet.com Contact Danny Lemos 508 798 5004 ___...___ Chad Pennebaker, President mailto:chad_pennebak...ouglas.com ** Creators of the Douglas CAD/CAM System for Macintosh PCB Design ** Douglas Electronics, Inc. (...) (26 years ago, 13-Jan-99, to lugnet.robotics.handyboard)
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| | Re: Wireless Handyboard Link ?
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I obtained the RF wireless kit ( HP Series ) from Lynx Technologies a while ago, and I have not had any success yet. My guess is that the handyboard is unable to "Synchronize with the board" with the half- duplex communication provided by the kit. I (...) (26 years ago, 13-Jan-99, to lugnet.robotics.handyboard)
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| | GP2D02 Interface Question?
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Attached below is IC code for a GP2D02 rangefinder. This is a slightly enhanced version of code from Bjorn Astrand. My question relates to the use of TMSK1 in the code. From reading various M69HC11 documents, I think (???) that I know what bits are (...) (26 years ago, 13-Jan-99, to lugnet.robotics.handyboard)
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| | Downloading problems
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The other day I posted to this board that I was having downloading problems with a HB which once had none. Simon very kindly E-mailed me reminding me about the proper phone cable. Seeing he was the only one-I-by necessity have become an expert. (...) (26 years ago, 13-Jan-99, to lugnet.robotics.handyboard)
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| | Re: motor ports
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Russell, Just a suggestion from experience. Before you invest a lot of time developing hardware to expand the capability of the Handy Board, I suggest you write the program. Just "stub out" the motors you don't have with dummy subroutines, or for (...) (26 years ago, 13-Jan-99, to lugnet.robotics.handyboard)
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| | Generic expansion board?
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Has anyone ever created a generic expansion board for the HandyBoard? What I mean by generic, is a board with say a .10 grid hole pattern and some power and ground traces . A board or boards like this with custom circuitry, could be stacked on top (...) (26 years ago, 13-Jan-99, to lugnet.robotics.handyboard)
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| | Anyone have the HB in continuous powerup?
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Hi all, Is anyone using the HB in a continuous powered up situation? Any problems with it? Also, Anyone know how to use a Timer circuit (Date & Time) with the HB? I'd like to have timed (Daily/weekly/monthly) events. Thanks! Gerald (26 years ago, 12-Jan-99, to lugnet.robotics.handyboard)
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| | The Onboard memory Circuit
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I have some questions about the handyboard memory: 1) Does it matter if i use a 70ns Eprom instead of the 100ns one? 2) Can you use EEproms or FlashRoms instead of the Eprom ? 3) Can i use more memory than the 256 KB ? And is there a exchange (...) (26 years ago, 12-Jan-99, to lugnet.robotics.handyboard)
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| | RE: Motor Ports
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Russ, This would not suffice. The PCODE would need to be changed as well. The end result of the motor interface routines in C in LIB_HB.C is that RAM locations 0x0E, and 0x22-0x25 have the direction and speed pattern info for each of the four (...) (26 years ago, 12-Jan-99, to lugnet.robotics.handyboard)
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