 | | I2C output
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Does anyone have any information on how to use the HB to output I2C signals thru it's SPI port? I'm interfacing it to the National LM4832 audio controller IC. Thanks! (26 years ago, 14-Aug-98, to lugnet.robotics.handyboard)
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| | Re: PID implementation
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(...) It seems that you have a feedback system here. How does battery voltage and surface resistance add error to your system when you have a feedback loop to correct your error signal? (...) No braking? We solved that problem by effecting reverse (...) (26 years ago, 13-Aug-98, to lugnet.robotics.handyboard)
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| | Re: Some robot pictures
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Chuck, Thank your for the pictures. the robots are very cool. I was wondering what was the cost for each robot? I am trying to get items together to builb my own but it is a slow going task due to money. I can't wait to see your next bot. Thanks (...) (26 years ago, 13-Aug-98, to lugnet.robotics.handyboard)
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| | Re: intel hex file
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Hello brian, I use a gcc compiler for the 68hc11F1. I do have an assembler that generates good intel hex files, and the other is used with the gcc compiler. It was my mistake in not looking correctly to the files, actually it are the same kind of (...) (26 years ago, 13-Aug-98, to lugnet.robotics.handyboard)
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| | Re: Stepper motors
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Hello mario, Its actually very simple, use an uln2803, connect it to an not used port (i.e. porta in my case), connect the coil wires to the appropriate pins, and the supply lines to the stepper vcc. now you can write values to the port. you should (...) (26 years ago, 13-Aug-98, to lugnet.robotics.handyboard)
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| | Re: Some robot pictures
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Thanks for the Kudos, Actually the timeline is more like "Clyde" (not pictured), "Robotank" (Sherman chassis with a miniboard), "RobotTankII" (Sherman Chassis with 6.270 board), "Comet" (not pictured, R/C conversion w/Miniboard), "Ghost" (not (...) (26 years ago, 12-Aug-98, to lugnet.robotics.handyboard)
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| | Stepper motors
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Hello, Does anyone have information on how to run a stepper motor using the Handy Board? Any information you can provide would be appreciated. Mario Garcia (26 years ago, 12-Aug-98, to lugnet.robotics.handyboard)
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| | Re: Some robot pictures
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Cool robots, Chuck! I was wondering it when they were created. It looks like the top one was created first and the last is the bottom one. Is that so? ---...--- ericson mar Master of Engineering Candidate Project: Mobile Robotics mar@cooper.edu (...) (26 years ago, 12-Aug-98, to lugnet.robotics.handyboard)
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| | Re: serial library for C++
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Check out this site. It works well. The only problem I had was timing issues when trying to read and write to the port too quickly. (URL) Message----- From: Mark Wallace <mawalla3@vt.edu> To: Handyboard@media.mit.edu <Handyboard@media.mit.edu> (...) (26 years ago, 12-Aug-98, to lugnet.robotics.handyboard)
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| | serial library for C++
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Hello, I have a handy board with poloroid transducers and I am trying use the results of my distance measurments in a C++ program on the computer. I have found programs on the handyboard web page that should alow the handyboard to transmit (...) (26 years ago, 12-Aug-98, to lugnet.robotics.handyboard)
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