 | | Re: HELP!! Dead board
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You shouldn't be seeing voltages over 5v anywhere in the logic circuits. Test if the 7805 is producing more than 5v, or if the RAM circuit (which is on a separate regulator) has more than 5v. In practice I'd rarely see more than a 0.2v error from (...) (24 years ago, 30-Nov-00, to lugnet.robotics.handyboard)
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| | HELP!! Dead board
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Hi, I've a dead board here and don't know what to do anymore... The following is happening: I can download the pcode to the board, but when I then try to reset the board, the IC message won't show up on the display, there won't be any beep, and IC (...) (24 years ago, 29-Nov-00, to lugnet.robotics.handyboard)
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| | expansion board ?
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i am using the handyboard/expansion board and am using servos for movement i want to be able to have the motors stop in response to a pushbutton being pressed. the button is hooked to the digital in (port 7) on the handyboard here is my code for the (...) (24 years ago, 27-Nov-00, to lugnet.robotics.handyboard)
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| | sbasic11
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has anyone used sbasic or any other form of basic on the handyboard and can they share there info on how to set it all up thanks Justin (24 years ago, 27-Nov-00, to lugnet.robotics.handyboard)
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| | Connect a wireless modem to HandyBoard?
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Hi Everyone there! I am relatively new to the HandyBoard ( and for that matter, the robot scene in general ) I would like to know if anyone out there can advise me on whether it might be possible to connect a wireless modem to a HandyBoard? I was (...) (24 years ago, 27-Nov-00, to lugnet.robotics.handyboard)
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| | handyboard ?
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can someone please post some example code of how to read the state of a pushbutton connected to one of the expansion board inputs i wish to use it to stop a motor routine also can anyone recommend a good cheap stepper controller for use with the (...) (24 years ago, 26-Nov-00, to lugnet.robotics.handyboard)
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| | Fun with HTML
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I've started playing around a bit with HTML and I've been creating a web site of sorts. I invite you to visit it at (URL) so far there isn't enough content but I'm more able to update this site than my previous one. --Chuck (24 years ago, 26-Nov-00, to lugnet.robotics.handyboard)
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| | Problems with sonar
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Hi I've tried to use the overflow flag to measure distances greater than 2.7m with the polaroid sonar. I've added the following line to the sonar_init(): bit_clear(0x1024,0x80); /* clear TOI, no Timer Overflow Interrupt */ I think the overflow flag (...) (24 years ago, 23-Nov-00, to lugnet.robotics.handyboard)
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| | serial comm again
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Hi. Thanks to all who had answered... unfortunately, I am still facing difficulties..(maybe i am not good enough!) Anyway, I have another question to ask... When I tried to do a loop-back test by connecting the TD and RD pin of the handyboard (...) (24 years ago, 23-Nov-00, to lugnet.robotics.handyboard)
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| | Re: Reading encoder forward/reverse
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(...) Hello Richard I think you should use a Gray code (consecutive decimal numbers are represented by binary expressions that differ in the state of one, and only one, one bit. Synonym: reflected or mirrored code). Its very simple for two bits: 00 (...) (24 years ago, 22-Nov-00, to lugnet.robotics.handyboard)
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