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I built a base for $50, including tools. It was made out of L-channel metal girder. It had 2 drive motors, bought surplus, from those kid-cars ($12 apiece). There's a caster as the third wheel ($4), and I have a 12v 4a battery ($10) plus metal ($10) (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Robot base
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Don't do it. Unfortunately the volumes of robot building do not support building and selling robot bases, the base price for a "good" robot base ends up being about $500 list. The reasons are manyfold, but I'll enumerate some of them here so that (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Handy Board in Popular Science
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The Handy Board is part of a robot design in Popular Science magazine. Someone designed a worm-like robot using the handy board. It is the march 1999 issue. -Peter ---...--- Peter Eacmen Boston Latin School babylongod@usa.net knowledge is power (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Robot base
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Hi er...um...whoever you are, Here's my profile and feedback: Me: 30's database programmer with a little electronics kit construction experience. Interests: Learning Robotics Hardware, Software and Theories Goals: To first experiment and learn a (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | NVRAM for the HB
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Hello all, A while ago someone was looking for NVRAM for the HB. I wanted to tell everyone about a new Simtek NVRAM chip I found that isn't battery backed SRAM like the Dallas chips. It contains an EEPROM 'shadow' of the SRAM and transfers the (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Motor Driver Chips
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try here: (URL) - - - Nick - - - (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Motor Driver Chips
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www.acroname.com do them... tone (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Motor Driver Chips
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Greetings all! I was wondering if anyone out here knows of a place that carries the TI SN754410 motor driver chips so that I can upgrade the Handy Boards motor drivers to handle more current. Thank you. -- "Only two things are infinite, the universe (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Robot base
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I bought a "Rising Bird Turbo 7" radio controlled car, ripped out the receiver electronics, hooked up 12 rectifier diodes to the motor and a 1W, 10 ohm resistor to the steering electromagnet and bolted a piece of very light wood to the chassis and (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Re: IR remote problem
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(...) I have seen this occasionally. As long as it's consistent for each key, I think the best bet is to just assume the data size is the larger of the two with trailing 0's for the shorter one. I can't promise this works though, as I've only had a (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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