 | | Re: motor power problems
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In a message dated 98-07-24 20:49:35 EDT, you write: << Has anyone had similar problems, and if so how did you solve them? I know there's a way to provide a separate power supply for the motors, but I'd rather not cut traces on the board except as a (...) (28 years ago, 27-Jul-98, to lugnet.robotics.handyboard)
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| | Various Basic Issues
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Howdy from Texas. I have set myself the goal of making a robot with the handyboard -- just for the learning of it. Until 2 days ago I had zero knowledge of electronics, although I am teaching myself using some kits and books. I also do not know C (...) (28 years ago, 27-Jul-98, to lugnet.robotics.handyboard)
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| | Re: troubleshooting
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ok, i finished the digital input circuit and the first time i turned it on both green and red lights stayed illuminated so i checked the orientation of all the chips and they were correct so i removed and reinserted them for good measure. This (...) (28 years ago, 27-Jul-98, to lugnet.robotics.handyboard)
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| | Re: IR Emmiter and Detector for RW Pro
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Hi ! You get a fantastic collection of datasheets and component specs at www.questlink.com regards..... Rajaraman. -----Original Message----- From: Javaid Iqbal <javaid@student.unsw.edu.au> To: Handy Board <handyboard@media.mit.edu> Date: Sunday, (...) (28 years ago, 27-Jul-98, to lugnet.robotics.handyboard)
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| | ELMO
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Hello all, From December 1997 until now I've been working on my Master's project. It consisted of a theoretical part and a practical part. In the practical part I made a little mobile robot using a Handy Board. In the next couple of weeks I will be (...) (28 years ago, 27-Jul-98, to lugnet.robotics.handyboard)
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| | 68hc11F1
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Hello all, Thanks for all the replies that you have send. My board is now working, at 16 mhz with flash and ram. Richard (28 years ago, 27-Jul-98, to lugnet.robotics.handyboard)
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| | RE: fischertechnik
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First of all, the HandyBoard works fine with fischertechnik. I've been using fischertechnik for a variety of purposes since about 1980. I've also used Lego Technic, although less extensively, for ten years or so. Size/Scale: If you build identically (...) (28 years ago, 27-Jul-98, to lugnet.robotics.handyboard)
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| | Re: troubleshooting
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In your message you said: (...) good.... (...) yes, this is normal -- before you load pcode_hb.s19, the LCD is just as you describe. (...) d (...) I'm not clear the problem. if you enable "ignore feedback", does it then download properly? if so, (...) (28 years ago, 27-Jul-98, to lugnet.robotics.handyboard)
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| | troubleshooting
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I have a problem assembleing my hanyboard. I am at the stage where i am doing the digital input circuit. Before this I successfully loaded pcode_hb.s19 into the handyboard and the interactive C message appeared. However, before i loaded pcode_hb.s19 (...) (28 years ago, 27-Jul-98, to lugnet.robotics.handyboard)
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| | Re: motor power problems
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in short, the answer is: "you can't use 3 to 4v motors with the Handy Board." basically, these motors are cheap toy motors that are incredibly noisy from an electrical standpoint, plus they want to draw far more current than the Handy Board's motor (...) (28 years ago, 25-Jul-98, to lugnet.robotics.handyboard)
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