 | | FW: Inclinometer for Handyboard
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(...) (26 years ago, 9-Jul-98, to lugnet.robotics.handyboard)
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| | RE: Inclinometer for Handyboard
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In the previous message, the word 2-dimensional is incorrect. It should be 2-axis (...) (26 years ago, 9-Jul-98, to lugnet.robotics.handyboard)
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| | RE: Inclinometer for Handyboard
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You could use the effect of gravity force and a potentiometer (variable resistant) to create such thing. In fact if you use a joystick mechanism (or quadraphonic double-potentiometer volume control in the old day) in upside down position and have a (...) (26 years ago, 9-Jul-98, to lugnet.robotics.handyboard)
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| | Re: Inclinometer for Handyboard
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(...) (URL) has inclinometers.. dunno how much they run however. -d The box said "Requires Windows 95/NT or better"... So I got Unix. Free the Source. Free your Computer... (3 URLs) (26 years ago, 8-Jul-98, to lugnet.robotics.handyboard)
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| | Re: ic help
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the addresses must be specified in decimal. Justin D. Gullotta.. , Engineer, Rensselaer Polytechnic Institute. (26 years ago, 8-Jul-98, to lugnet.robotics.handyboard)
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| | ic help
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Can someone please shed some light on the commands "peek" and "poke" for Interactive C. For some reason I am having trouble with the syntax. Thank you (26 years ago, 8-Jul-98, to lugnet.robotics.handyboard)
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| | Re: Inclinometer for Handyboard
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(...) Why not try building your own by putting a couple of mercury switches on a servo. (26 years ago, 8-Jul-98, to lugnet.robotics.handyboard)
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| | Re: Geared Motors
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Does anyboady have experience using German Made Geared DC Motors made by : FAULHABER. 12V/ 22b40.5 Motors have been salvaged from an old 'Plasmon' Optical-disk-Jukebox I have several of these identical motors that i want to use as main traction (...) (26 years ago, 8-Jul-98, to lugnet.robotics.handyboard)
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| | Re: Inclinometer for Handyboard
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Don't know if home brew is OK for your needs but I found a little while back, a website that had several different homebrew sensors described and a single axis inclinometer was one. try using +robot +inclinometer in the Altavista search engine. The (...) (26 years ago, 8-Jul-98, to lugnet.robotics.handyboard)
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| | Interrupt Handler for Serial communication
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Here's a bit of code that will buffer incoming serial information so that no information will be lost when transmitting to the handy board. There are two files: serial_isr.c and serial_isr.asm. You'll need to assemble the .asm file using as11_ic, (...) (26 years ago, 7-Jul-98, to lugnet.robotics.handyboard)
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| | Inclinometer for Handyboard
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Hello, I've been searching, without much luck for a single axis inclinometer with a reasonable settle time and +-30 degree resolution, for less than $50. Anyone have any leads? Thanks, Aaron (26 years ago, 7-Jul-98, to lugnet.robotics.handyboard)
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| | stepper motors: choosing an approach
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There appears to be much interest in using the handyboard to control stepper motors. Choosing the right approach depends on what you want your robot to do. There are a number of specialized boards for controlling stepper motors, but they are (...) (26 years ago, 7-Jul-98, to lugnet.robotics.handyboard)
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| | RE: check_sensors.c
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Terry, It seems that alot of the problems with this piece of code are syntax errors, you could correct alot of these by looking up the secific syntax in the HB manual and there may or may not be a few things that I would have done differently (...) (26 years ago, 7-Jul-98, to lugnet.robotics.handyboard)
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| | Re: Connecting radio module (BiM 418 F)
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Hello all, I was surprised to see one of my old postings on this list appear again this week. The problem I posed here has been solved, and the results can be found via this page: (URL) Sipke van der Veen (26 years ago, 7-Jul-98, to lugnet.robotics.handyboard)
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| | Re: Serial line interrupt
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Hello all, I have also had this problem and would be interested in any resolution. However, on another note has anyone had luck or intruction on how to you the serial code here : (URL) am not sure how this works and any information would be greatly (...) (26 years ago, 7-Jul-98, to lugnet.robotics.handyboard)
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| | help needed for ir sensors & memory addressing latch
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Hi all, I am new to robotics and have great difficulty trying to get the near-infra emmiter and detector on the HB to work properly. After studying the schematics, I figured out to activate J7, I should do a bit_set(0x1000,0b01000000) which appears (...) (26 years ago, 7-Jul-98, to lugnet.robotics.handyboard)
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| | Re: Steppers
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Dear Terri, If the motors turn sparatically, that means the coils are probably not hooked up in the correct order. Try swapping them around and see if anything improves. The motors you are using are the bipolar type. There is a decent way of hooking (...) (26 years ago, 6-Jul-98, to lugnet.robotics.handyboard)
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| | Re: Serial line interrupt
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(...) to (...) about (...) Hi, you could simply build and Acknowledge routine so that every character sent by the PC could be echoed back by the HandyBoard. It asks a bit more of processing time from the HandyBoard, but at least it's simple to build (...) (26 years ago, 6-Jul-98, to lugnet.robotics.handyboard)
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| | Steppers
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Hi. I was reading through a compilation of emails from the Handy Board Q&A and found a lot of great questions, but no answers to them. I am trying to power some steppers, microsteppers from the RobotStore catalog, with the HB and am not having much (...) (26 years ago, 6-Jul-98, to lugnet.robotics.handyboard)
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| | Re: Serial line interrupt
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(...) I had the same problem a few weeks ago, ended up writing an interrupt handler for the Handy Board which will buffer up the incoming serial information so that none of it is lost. I guess the Handy Board normally just polls the serial port (I (...) (26 years ago, 6-Jul-98, to lugnet.robotics.handyboard)
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