 | | handyboard for sale
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I have a completed and operational handyboard which I am offering for sale. Contact me at jnbs@wizard.com Thanks Jim (28 years ago, 14-May-98, to lugnet.robotics.handyboard)
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| | Shorted Handyboard
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Finishing mounting our handyboard to the chasis of our robot, we shorted the board. A screwdriver made contact near the IR reciever on the bottom right corner of the board. Additionally, the 2.5A fuse blew. After this occured, we have not been able (...) (28 years ago, 13-May-98, to lugnet.robotics.handyboard)
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| | Does the HB NEED 9.6 volts?
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I am planning on using stepper motors with a handy board, which hopefully I will have in a week :) The specs on the HB say it uses 9.6 volts. Is this a required voltage? or can it be another rating as long as it is within the regulators limits. (...) (28 years ago, 13-May-98, to lugnet.robotics.handyboard)
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| | Re: HandyBoard 10-16 Servo support
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(...) I had exactly the same problem. There is a CMOS chip by Motorola called the MC14028B that is a BCD-to-decimal or Binary-to-octal decoder. All that really matters though is that it will take a 4-bit input and decode up to *10* outputs that are (...) (28 years ago, 13-May-98, to lugnet.robotics.handyboard)
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| | Interrupt counter rate
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Hi everyone. I use a 4 bits binary counter to measure the no. of pulses emitted from a shaft encoder(TTL output) in order to calulate the speed of a DC motor. But i want to know what is the best frequency that the processor should take the bit (...) (28 years ago, 13-May-98, to lugnet.robotics.handyboard)
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| | L293E sense output ??
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Hi, I'm using a L293E to drive my motors. Each driver has a "sense" output and I don't understand the use of it. How can I use those outputs with the Handy-Board ? Thanks for any help, ......... Fred, Cannes, France EMail: fred.maillet@wanadoo.fr (...) (28 years ago, 13-May-98, to lugnet.robotics.handyboard)
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| | Re: What is the best way to eliminate mechanical error trough software
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(...) therefore the robot tends to drift toward the side of the slower motor. (...) one, so I'm looking for some input to help me write an efficient program to keep the robot moving straight. I handled this type of problem by creating a new process (...) (28 years ago, 12-May-98, to lugnet.robotics.handyboard)
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| | What is the best way to eliminate mechanical error trough software
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Hi I built a small circular robot base with differential steering using 3" diameter rubber wheels and optical encoders on both wheels. The motors powering the robot are high efficiency German built gear motors using 300 mA when stalled, and rotating (...) (28 years ago, 11-May-98, to lugnet.robotics.handyboard)
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| | WinCE Downloader - Exist?
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Does anyone know of a downloader to the handyboard for a Win95 CE platform? -- ---...--- ipscone@halcyon.com Shoot-To-Win! Protect the 2nd Amendment! Your rights may be next! ---...--- (28 years ago, 9-May-98, to lugnet.robotics.handyboard)
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| | Re: LCD Commands
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I have those docs. I knew that it was driven by the hd44780 but the summary page on their web site indicated that the 44780 could drive 2 lines of 8 characters and I assumed there must be a micro on the board to handle the 2x16 and that there might (...) (28 years ago, 9-May-98, to lugnet.robotics.handyboard)
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