| | external memory
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Hi, has anyone been able to successfully added another 32k ram chip onto the handyboard? In MObile Robots, it mention that this was possible for the HC11-based boards. If so, how involve is it? (27 years ago, 21-Aug-97, to lugnet.robotics.handyboard)
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| | compile ICB files under Windows
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Hi all, it turns out that the answer for doing this has been available for two years (!) Kent Farnsworth put together a set of GNU compiler tools, Randy's modified AS11 assembler, and a DOS version of the "as11_ic" Unix shell script, all working for (...) (27 years ago, 21-Aug-97, to lugnet.robotics.handyboard)
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| | Books on bots
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Hello All, Just doing some late night web searching and found some pretty good info. I clicked on the Barnes and Noble banner add and did a search for "robotics" and needless to say I'm still going though their list on this subject! I had no idea (...) (27 years ago, 20-Aug-97, to lugnet.robotics.handyboard)
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| | Re: interfacing motors
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You can "piggyback" two 1 Amp chips. ---...--- ericson mar Master of Engineering Candidate Project: Mobile Robotics mar@cooper.edu (212)353-4356 Department of Mechanical Engineering The Cooper Union for the Advancement of Science and Art ---...--- (...) (27 years ago, 20-Aug-97, to lugnet.robotics.handyboard)
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| | Handyboard with EPROM
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Can I put a Rom memory in the handy board? I don't need a battery , so i think to remove that and the battery. If is not posible...can add a ROM in a expansion board and download the code in the boot ? Thanks... German Pablo Gentile German Pablo (...) (27 years ago, 20-Aug-97, to lugnet.robotics.handyboard)
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| | servos ?
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Date sent: 19-AUG-1997 17:18:58 Hi, Could someone please give me a specific recommendation of a good servo to use for Lego robots with handyboards. I looked at TowerHobbies and robotShack and was overwhelmed by their lists. (I'm obviously just (...) (27 years ago, 19-Aug-97, to lugnet.robotics.handyboard)
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| | Re: interfacing motors
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(...) One way to accomplish this is with an H-bridge motor drive other than the L293 on the HB itself. I one out of discrete components some time ago, using darlington TIP series transistors, and it works great. (Kudos to Chuck McManis.) It can (...) (27 years ago, 19-Aug-97, to lugnet.robotics.handyboard)
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| | interfacing motors
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hello, all you happy roboters! /I have a question about interfacing a larger motor to the HB. It runs on 6v & draws 1-2amps, depending on the load. I already have a 6v 7amp lead battery that I want to use to power the 2 motors. What would be the (...) (27 years ago, 19-Aug-97, to lugnet.robotics.handyboard)
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| | IR Transmitter
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Hi all, I was wondering if anyone could recommend an IR transmitter for use with the Handy Board's IR output (J7). If possible indicate manufacturer/part no. or supplier/catalog no. if possible. I was also wondering if anyone could tell me how (or (...) (27 years ago, 19-Aug-97, to lugnet.robotics.handyboard)
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| | Muscle Wire
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Hi - Has anyone ever tried using "muscle wire" (nitinol) with the Handyboard? When you pass an electirc current through it, it heats up and rapidly contracts. The wire has a fairly low resistance - would it still be OK to drive it with the motor (...) (27 years ago, 18-Aug-97, to lugnet.robotics.handyboard)
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