 | | Re: 7.2V vs 8.4V (fwd)
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Wait! Sorry, I was confused! I thought the HB originally battery was 7.2V. Silly me. :-/ Why didn't anyone correct me??? Well, you kinda caused the confusion though. You mean 7.2V vs. 9.6V? or 8.4V vs. 9.6V? ...cuz 9.6V is the original eight 1.2V (...) (27 years ago, 28-Mar-98, to lugnet.robotics.handyboard)
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| | Re: 68HC11 register locations?
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(...) The correct actual addresses are indeed all in the $10xx range. When you index off either the X or Y register, the offset value is only 8 bits, or 0 to $FF. This is why you're getting the warning messages, the high order $1000 is being (...) (27 years ago, 28-Mar-98, to lugnet.robotics.handyboard)
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| | Re: h-bridge
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Wirz Electronics has 3 different types in kits (URL) dealt with them and I received good service from them. (...) (27 years ago, 28-Mar-98, to lugnet.robotics.handyboard)
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| | Re: 7.2V vs 8.4V
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I'm currently using a 12V NiCad on mine with no problems. (...) (27 years ago, 28-Mar-98, to lugnet.robotics.handyboard)
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| | Info about Robostore H-bridges
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Hello, I have just ordered 2 h-bridges from Robotstore I haven't received them yet but here are the informations they sent me about one of this H-Bridges; It may help... François G. (...) (27 years ago, 28-Mar-98, to lugnet.robotics.handyboard)
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| | Re: 7.2V vs 8.4V
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You mean 8.4V. Yes. ---...--- 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, 27-Mar-98, to lugnet.robotics.handyboard)
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| | 7.2V vs 8.4V
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Is it possible that I use 7.2V battary for handy board? BK (27 years ago, 27-Mar-98, to lugnet.robotics.handyboard)
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| | Re: h-bridge
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Richard: I have a plethora of h-birdge circuit boards based on the L298 motor controller. ( My home company makes them, and I would be pleased to sell you the naked board or a kit with all the parts ) If you are interested in pricing, please conact (...) (27 years ago, 27-Mar-98, to lugnet.robotics.handyboard)
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| | 68HC11 register locations?
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I'm writing an assembly routine under IC on the Handy Board, but I'm getting a little confused about the memory locations of the 68HC11 registers. The Motorola manual shows that the registers associated with the input and output timers are in the (...) (27 years ago, 27-Mar-98, to lugnet.robotics.handyboard)
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| | Ram peripheral cont.
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Well, I put together something that works, and I now have 128k extra RAM via the SPI, but I have a question about the ram chip... It is supplied by the +5v that is on the SPI port right now. The chip gets a fairly hot after about 20min of having (...) (27 years ago, 27-Mar-98, to lugnet.robotics.handyboard)
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