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| At the Trinity Firefighting contest, what seemed to be the best method for detecting the flame? I am planning on entering next year and I am starting to get my design together. was thinking of using a phototransistor with a filter over it so that it (...) (27 years ago, 12-May-97, to lugnet.robotics.handyboard)
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keith
(score: 1.072)
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| | Expansion board
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| Is there a tenative date that the expansion board will be released? If it is still in the works I would like to make a suggestion for the design. Along with the other functions already described (ie. sonar connection, more analog inputs, ect...) I (...) (27 years ago, 30-Apr-97, to lugnet.robotics.handyboard)
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keith
(score: 1.071)
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| | Shaft encoder software
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| I have downloaded the shaft encoder software drivers that are on the web page and I would like to say they work great. I need help in writing software to monitor wheel speed and keep my robot running in a strait line. The program has to run in the (...) (27 years ago, 28-May-97, to lugnet.robotics.handyboard)
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keith
(score: 1.071)
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| | stepper motor control
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| I am planning on useing two stepper motors as the drive motors for a robot that I am entering in the firefighting contest and I need help in interfacing them. I have motor driver chips that need a direction input and a pulse input and I need to know (...) (27 years ago, 2-Jul-97, to lugnet.robotics.handyboard)
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keith
(score: 1.071)
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| | Re: IR Collision avoidance
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| (...) I have a few questions for you. How did you combine the 38khz and 500hz signal. In a design that I am working on now I have two signals similar to yours and an enable signal running into a three input AND gate. I haven't built it yet but it (...) (28 years ago, 2-Mar-97, to lugnet.robotics.handyboard)
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keith
(score: 1.070)
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| | sonar hookup [DAT]
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| I finally got the code loaded into my handyboard to test the unit but I am having some problems. When the program runs I hear ticking from the transducer but the reading on the LCD stays at 0" no matter where it points. I want to make sure that I (...) (27 years ago, 9-Apr-97, to lugnet.robotics.handyboard)
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keith
(score: 1.070)
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| | My IR detector design
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| For all of you who have looked at my design for a 16 sensor IR proximity detector I have a few updates for you. I have been working with the circuit for about a week now and I have discovered a few things that will make the circuit more stable. They (...) (27 years ago, 7-Jun-97, to lugnet.robotics.handyboard)
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keith
(score: 1.070)
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| | My IR detector design
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| For all of you who have looked at my design for a 16 sensor IR proximity detector I have a few updates for you. I have been working with the circuit for about a week now and I have discovered a few things that will make the circuit more stable. They (...) (27 years ago, 7-Jun-97, to lugnet.robotics.handyboard)
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keith
(score: 1.070)
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| | Strange HB problems
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| Over the past two days I have had two problems with my HB that I can't explain. Maybe you you can help. 1. I wrote a simple program to test out my motors that consists of the motor, sleep, and beep commands. Once in a while I get an error back while (...) (27 years ago, 19-May-97, to lugnet.robotics.handyboard)
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keith
(score: 1.069)
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keith
(score: 1.069)
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| | Re: Stepper Motor
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| I am also trying to use steppers motors from an old floppy, if anyone has accompished this I am interested in your result and methods Keith (...) (26 years ago, 14-Feb-99, to lugnet.robotics.handyboard)
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keith
(score: 1.068)
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| | IC 3.1
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| Has anyone used IC 3.1 yet and does anyone know when it will be available for Windows 3.11 or win32? Thanks. Keith Soldavin kas219@email.psu.edu (28 years ago, 25-Jan-97, to lugnet.robotics.handyboard)
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keith
(score: 1.068)
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keith
(score: 1.068)
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keith
(score: 1.067)
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| | Motor output LED
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| Hi all! I got a question. Whenever I connect the motor outputs to a scope (I wanted to read the output of the HB), the LEDs light up even with the output off (ao())... Can anyone explain this to me? Thanks. Keith (26 years ago, 15-Jan-99, to lugnet.robotics.handyboard)
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keith
(score: 1.067)
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| | DC10 turning
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| Hi Jeff (...) I had the same problem. I got some improvement by running the treads in opposite directions. Turns real quick then! And the drive tread does not have to carry the whole force of the turn plus "slip" or pivot the stationary tread. Keith (...) (28 years ago, 7-Aug-96, to lugnet.robotics.handyboard)
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keith
(score: 1.067)
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| | Re: how to
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| The licensing info is at : (URL) you can do what you want with it, invluding selling it, as long as you keep the copyright info intact, and acknowledge Fred Martin and the MIT Media Lab as the creators. Keith Disclaimer: I'm not a lawyer and the (...) (25 years ago, 14-Apr-99, to lugnet.robotics.handyboard)
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keith
(score: 1.067)
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| | Poloroid interface
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| What is the easyest way to interface a Poloroid ranging board to the handyboard? I know that the expansion board is supposed to have this feature built right in but I can't wait to get it. I also want to know if there are any software drivers (...) (28 years ago, 11-Jan-97, to lugnet.robotics.handyboard)
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keith
(score: 1.067)
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keith
(score: 1.067)
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| | Re: Optrex lcd displays
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| I must apologize for my last request, upon further investigation I found an excellent resource that answers the questions i posed earlier. For anyone who might be interested, the source can be found at : LCD MODULE TECHNICAL REFERENCE (FAQ) Version (...) (26 years ago, 28-Nov-98, to lugnet.robotics.handyboard)
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keith
(score: 1.067)
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