 | | Sonar question
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Hi all, I'd like to install sonar capabilities in my robot and I went to the FAQ to check how it was "recommended" to do it with the Polaroid OEM kit (It's at (URL) this seems pretty straightforward to do but I'd like to use 2 sonars, not just one, (...) (26 years ago, 24-Oct-98, to lugnet.robotics.handyboard)
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| | Re: Source of 754410 driver
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I think that Newark sells them for about $4.15 each. (...) (26 years ago, 24-Oct-98, to lugnet.robotics.handyboard)
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| | RE: Dead HB
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(...) I´m using that nvrmas on HB and work excellent. You simply put the memory and disconnect the external battery! German Gentile (26 years ago, 24-Oct-98, to lugnet.robotics.handyboard)
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| | Re: Source of 754410 driver
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Acroname (www.acroname.com) sells these chips for $5 each or a 3-pack for $12. (26 years ago, 24-Oct-98, to lugnet.robotics.handyboard)
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| | Re: Dead HB
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I tend to agree. Most people think that if the display is dead, the system is dead. The fact that you can download the program is a good sign. I think, you then need to prove that it was downloaded using simple known commands to establish that it is (...) (26 years ago, 23-Oct-98, to lugnet.robotics.handyboard)
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| | Communication to the board.
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Hi, I need to make a logic programm (eclipse or prolog) control the h-board-robot. Does anybody have any experience with something like that? I come from the AI and logic programming, and I don't have much experience with communication protocols for (...) (26 years ago, 23-Oct-98, to lugnet.robotics.handyboard)
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| | how to unsubscribe
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hi everyone, *please* don't send unsubscribe requests to the list. send them to me, fredm@media.mit.edu. thanks a lot. fred (26 years ago, 23-Oct-98, to lugnet.robotics.handyboard)
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| | unsubscribe
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unsubscribe (26 years ago, 23-Oct-98, to lugnet.robotics.handyboard)
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| | Bootstrap mode
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hi all, i have trouble with my handy-board. Few days ago it works proberly, now i doesn´t go into the bootstrap modus. Both leds (red+green) lights and i can´t download the pcode. I tested the board with and without the serial interface. But it (...) (26 years ago, 23-Oct-98, to lugnet.robotics.handyboard)
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| | Question
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Dear HB members: 1.- Is there any software for controlling two or more IR sensors??? 2.- Could you tell me how does the "IR_signal" works?? Thank you -- John A. Atkinson-Abutridy EMAIL: atkinson@inf.udec.cl Profesor Asistente Dept. de Ingenieria (...) (26 years ago, 23-Oct-98, to lugnet.robotics.handyboard)
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| | Re: Source of 754410 driver
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Newark has the TI SN754410NE chips. (...) (26 years ago, 23-Oct-98, to lugnet.robotics.handyboard)
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| | A/D converter
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Thank you for the "Hint" Kevin Smith , Assistant Professor at Brigham Young University. I can read the Analog to Digital converter now. I increased the delay on the power up initialization. Hector Noriega Graduate Student Electrical Engineering (...) (26 years ago, 23-Oct-98, to lugnet.robotics.handyboard)
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| | unsubscribe
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unsubscribe (26 years ago, 23-Oct-98, to lugnet.robotics.handyboard)
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| | Re: inquiry
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probably -- i don't know if there are driver conflicts. you probably have to use the version of the pcode that doesn't hang if it doesn't find an LCD. fred In your message you said: (...) (26 years ago, 23-Oct-98, to lugnet.robotics.handyboard)
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| | inquiry
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Dr. Martin, I am planning to build another robot with TCOMP on it, specifically the TCOMP 3.5, can I still use IC for this board? You can find TCOMP address here: (URL) in advance. joema (26 years ago, 23-Oct-98, to lugnet.robotics.handyboard)
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| | Source of 754410 driver
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Hello, all: I saw in the FAQ that TI has an "upgrade" to the L293 motor driver chip. What is the best source for this part? Thanks! Rich Cini/WUGNET - ClubWin!/CW7 - MCP Windows 95/Windows Networking - Collector of "classic" computers <===...=== (...) (26 years ago, 22-Oct-98, to lugnet.robotics.handyboard)
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| | Re: Sensor connections
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i think you may be using the wrong drivers. make sure to set your version of IC to load "lib_hb.lis" when it boots up. fred In your message you said: (...) (26 years ago, 22-Oct-98, to lugnet.robotics.handyboard)
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| | Getting started with the project
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Respected Sir, I have installed the newer version of IC into my PC. My Handyboard is ready with all parts assembled. Earlier I have done a project called "Mobile Robot Navigation of a Maze" with this handyboard. In this the robot navigates the maze (...) (26 years ago, 22-Oct-98, to lugnet.robotics.handyboard)
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| | Sensor connections [DAT]
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I can not get the sensors to respond correctly, for instance if I do analog(0) the value of the sensor marked 7 on the hb is returned. After going through all the sensors here is the layout I came up with: I never got a reading on port 0,1,9 or 10 (...) (26 years ago, 22-Oct-98, to lugnet.robotics.handyboard)
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| | Re: Dead HB
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Sounds like a lot of it is still up and running if you can download. I'd suggest going through the assembly instructions and performing the tests at the end of each section. You should, thereby, be able to isolate smaller areas that may be fried and (...) (26 years ago, 22-Oct-98, to lugnet.robotics.handyboard)
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