 | | Re: Infrared Optosensors
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Hi Brian, I believe you are trying to implement the proximity sensor for object avoidance or collision avoidance, correct ? I believe the QT1114 is designed for the range the you have found. The spec. of the part also indicate the very near range (...) (26 years ago, 5-Jun-98, to lugnet.robotics.handyboard)
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| | Problems with Smoot-PWM
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Hi all, i have problems during download the new smooth-pwm routine into my handyboard. All times my downloader stopped after few seconds with an error message "EOF after 1xxx Bytes ....." I´m using a macintosh (PPC 4400) and use the 6811 download (...) (26 years ago, 5-Jun-98, to lugnet.robotics.handyboard)
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| | Infrared Optosensors
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I interfaced 3 infrared optosensors to the digital inputs on the handyboard. I'm a little dissapointed in their performance however. The only time they give a reading of "true" is if they are about a half an inch or closer from the target. Any (...) (26 years ago, 5-Jun-98, to lugnet.robotics.handyboard)
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| | Re: DC VS SERVO
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Chris, See pages 20 and 21(pdf pages 25 and 26) of the handyboard technical (...) (26 years ago, 5-Jun-98, to lugnet.robotics.handyboard)
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| | DC VS SERVO
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HELLO, MY NAME IS CHRIS RHODES AND I AM CONFUSED ABOUT THE DIFFERENCE BETWEEN A SERVO MOTOR AND A DC MOTOR. THE HANDYBOARD LITERATURE SAYS THERE ARE THE 4 DC MOTOR OUTPUTS AND 1 DIGITAL INPUT THAT CAN USED AS A SERVO OUTPUT. WHAT IS THE DIFFERENCE (...) (26 years ago, 4-Jun-98, to lugnet.robotics.handyboard)
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| | Robotic Lawnmower List/DGPS
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Can someone give me the info on the robot lawnmower mailing list? As I recall they split off with their own list a while back, but I didn't follow to the new list. There are some developments in Differential GPS that they should probably be made (...) (26 years ago, 4-Jun-98, to lugnet.robotics.handyboard)
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| | A/D converter
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From: Hector Noriega, 3JUNE98 Thanks Adam,(adam@programmer.net) The Speed of the A/D inproved by about 50 HZ, by getting rid of float types, so now I can sample data at 290HZ only!. According to the Motorola "Pink Book" the A/D should be ready after (...) (26 years ago, 4-Jun-98, to lugnet.robotics.handyboard)
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| | Re: One Handy Board available for sale.
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I stand corrected. From: brian-c@technologist.com Date sent: Thu, 2 Jul 1998 23:49:02 -0400 (EDT) To: "Mike Davis" <ipscone@halcyon.com> Subject: Re: One Handy Board available for sale. (...) -- ---...--- ipscone@halcyon.com Shoot-To-Win! Protect (...) (26 years ago, 4-Jun-98, to lugnet.robotics.handyboard)
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| | Re: One Handy Board available for sale.
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Isn't that more than the board is brand new, assembled and tested? They are available for $180. Correct me if I am wrong. Is the IC perhaps 3.x? From: PWebb@swri.edu Date sent: Thu, 2 Jul 98 11:36:10 CDT To: <handyboard@media.mit.edu> Send reply to: (...) (26 years ago, 3-Jun-98, to lugnet.robotics.handyboard)
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| | Re: download problems
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The motor state is insignificant before the board has booted. I.e., the fact the motors are on the red direction means nothing; it's just the random state of the motor output latch when the board turns on without a program. The LCD screen should not (...) (26 years ago, 3-Jun-98, to lugnet.robotics.handyboard)
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