 | | Polaroid 6500
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Hi, I am trying to install the polaroid 6500. I use the schematics I found with the sonar.c file at this site. It doesn't work, I dont understand the Motor power connection why does it have 4 pins ? One motor only uses 3 pins ? I think the sonar (...) (28 years ago, 26-May-96, to lugnet.robotics.handyboard)
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| | Re: pcode, libraries for two servos
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(...) Randy, I'm having trouble making the TOC2 work with Pcode_hb, something trashes the output whether I disable IR-Xmit or not. Do I need a new Pcode in order to divert TOC2 to my own use? I'm treating OC2 the same as I treat OC3, but only OC3 (...) (28 years ago, 25-May-96, to lugnet.robotics.handyboard)
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| | Re: Fuse on motor power cables
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(...) All system power, incl. motor pwr, already runs through the existing polyswitch. They're not too fast, so I'm not sure if they'll save you. the motor chips do have over-current protection of their own, though it has been known to fail from (...) (28 years ago, 24-May-96, to lugnet.robotics.handyboard)
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| | Fuse on motor power cables
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My current robot platform is a hacked toy and does not have ideal motors. I am concerned about toasting my motor driver chips. Can I put a polyswitch fuse in series in the motor lines to protect against this? They don't seem to be polarity (...) (28 years ago, 24-May-96, to lugnet.robotics.handyboard)
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| | expansion board
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Hi all, I have not worked with the handy baord much yet but I also feel that it would be nice to have a few more digital i/o ports available. I guess that is short, sweet, and to the point. sherman@plains (28 years ago, 23-May-96, to lugnet.robotics.handyboard)
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| | Wish list, or expansion possibilities...
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Hi, I am new to the handyboard area, having spent most of my project time with 68705 series uP's and 80X51's (done hate me.). Just tossing out some possibilities and not trying to down-play any other ideas that have preceeded me.... An expansion (...) (28 years ago, 23-May-96, to lugnet.robotics.handyboard)
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| | Re: PC serial connection
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(...) COM 2 is used by the modem card. I don't even know tyhough how to make COM 2 point to the slot I want, which is my initial problem anyways ( I need a 25-pin slot for the serial connection). Sincerely, Yoni Garbourg << To succeed, Atificial (...) (28 years ago, 22-May-96, to lugnet.robotics.handyboard)
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| | Re: Expansion interface status
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(...) You might want to note that the unexpanded HB is capable of driving a Polaroid sensor. The second motor chip is removed, and lines are plugged into different pins for the BINH and INIT signals, while the ECHO signal goes to the first digital (...) (28 years ago, 22-May-96, to lugnet.robotics.handyboard)
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| | Re: Expansion interface status
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Another thought, how about a series of expander boards. I know this could get really ugly, but, maybe Fred, and the normal HB distributors build what they see are appropriate for their customers, and others build what is appropriate for their (...) (28 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 (...) (28 years ago, 22-May-96, to lugnet.robotics.handyboard)
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