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Keith, At first blush I would suggest the following connections: Motor Out 0 1 - stepper phase #1 Motor Out 1 2- '' '' #2 Motor Out 2 3- '' '' #3 Motor Out 3 4 - '' '' #4 Ground 5 - stepper common #1,3 Ground 6 - stepper common #2,4 Your program (...) (26 years ago, 25-Oct-98, to lugnet.robotics.handyboard)
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| | Re: Sonar question
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Hi, acroname has the sonar modules for $45.00. www.acroname.com ---...--- (...) 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, 25-Oct-98, to lugnet.robotics.handyboard)
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| | Stepper Motor.
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I would like to have my HB controlling a stepper motor. It's a 4-phase unipolar permanent magnet motor. The names of the inputs are like this: 1 - stepper phase #1 2- '' '' #2 3- '' '' #3 4 - '' '' #4 5 - stepper common #1,3 6 - stepper common #2,4 (...) (26 years ago, 24-Oct-98, to lugnet.robotics.handyboard)
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| | Re: Sonar question
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Eric Noyau wrote: <snip> (...) <snip> (...) <snip> (...) <snip> I asked about this a few months back, and Fred Martin himself suggested I might try the very same connection scheme that you mention. Here's what he suggested: <snip> (...) According to (...) (26 years ago, 24-Oct-98, to lugnet.robotics.handyboard)
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| | Implementation question
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I am busy building the HB but I cannot get it to work yet. Here are the symptoms. The serial board works as expected and performs all tests as described in the implementation manual. RAM and HC11 are installed as well as the LCD. I am using the (...) (26 years ago, 24-Oct-98, to lugnet.robotics.handyboard)
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| | 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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