 | | I overcharged my handyboard.
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I think I overcharged my handyboard, I chargedf it for two days. I charged my handyboard using the Normal charge method. My handyboard is not responding at all. There is no power bulb glowing. Do you have any solution. I had to complete my project. (...) (26 years ago, 16-Nov-98, to lugnet.robotics.handyboard)
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| | Please use subject headers on all mail
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thanks (26 years ago, 16-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Request for Books on Robotics
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Mobile Robots: From Inspiration to Implementation by Joseph L. Jones, Anita M. Flynn; As its title suggests, this book convers everything you need to know to build a mobile robot. They discuss the design of their brain (a MC68HC11 design that looks (...) (26 years ago, 16-Nov-98, to lugnet.robotics.handyboard)
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| | correct procedure when downloading pcode_hb.s19
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hi I am at present building a handyboard from Fred's assembly manual, however it appears I might have a problem. I have connected the serial interface board to the handyboard. The hb is placed into bootstrap mode by holding down the stop button. The (...) (26 years ago, 16-Nov-98, to lugnet.robotics.handyboard)
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| | motor port problem
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hi, i really need help urgently. Currently, I running my robot using 2 DC motor on port 2 & 3. I used external power supply to the L293D (pin 8). I did not cut the trace. I used Alkaline battery 12V recharagable . when I run my robot, it is running (...) (26 years ago, 16-Nov-98, to lugnet.robotics.handyboard)
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Hi! all, I charged my handyboard for two days. Any problem iam going to get. Please respond me quickly as i had to do my project. thank u. Madhu (26 years ago, 16-Nov-98, to lugnet.robotics.handyboard)
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| | Broken Board (SPI??)
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Hi, I'm using the Polaroid 6500 ranging board with the sonar routines on the HB web site. When I call the sonar on one HB it returns -1 but when I try it on another HB it works fine. So it isn't the sensor. Could anyone tell me which conections on (...) (26 years ago, 16-Nov-98, to lugnet.robotics.handyboard)
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| | Request for Books on Robotics
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Could people please recomend some books about lego robots, using the handyboard or other controllers, or more general textbooks on the topic of educational robots? Thank you, Rachel Arens (26 years ago, 14-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Monitoring household power consumption
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Hi all, I found an interesting article by Don Lancaster in May 1998 issue of the magazine, Electronics Now. Maxim makes a chip (MAX125) that will convert accurately four channels of analog data to 13 bits accuracy, plus talk about a device for $79 (...) (26 years ago, 14-Nov-98, to lugnet.robotics.handyboard)
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| | Re: NiCd Charger
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Russ: In a message dated 98-11-13 04:48:38 EST, you write: << ... power rating of resistor = 15Volts * 200mA = 3Watts Series resistor needed = 75 Ohms @ 3 Watts. ---...--- ------- The 75 Ohms bit seems reasonable to me but 3Watts must be way to (...) (26 years ago, 14-Nov-98, to lugnet.robotics.handyboard)
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