 | | Re: SPI?
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(...) What Hacker said, but also, there's a 2x4 female SPI header on the HB just above the power jack that allows you to hook up other serial devices to the HB (like other HB's, memory, etc.) It's shown in the HB Tech. Reference and there are (...) (26 years ago, 11-Apr-98, to lugnet.robotics.handyboard)
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| | Smooth PWM in IC 3.1?
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I apologize for asking a question I think I've seen answered, but I can't find it in the mail archives. Is it possible to use Julian Skidmore's smooth PWM routines with Newton Labs' commercial IC 3.1? Since they use a different version of pcode.s19 (...) (26 years ago, 11-Apr-98, to lugnet.robotics.handyboard)
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| | RE: Multitasking (fwd)
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Does your while loop have a break(); statement. I have an idea that this may be necessary in some situations. -----Original Message----- From: MAR ERICSON [SMTP:mar@cooper.edu] Sent: Monday, 6 April 1998 8:46 To: Handy Board mailing list Subject: (...) (26 years ago, 11-Apr-98, to lugnet.robotics.handyboard)
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| | Re: SPI?
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CLANCY, It is the Serial Periperal Interface Handles Serial Data transmission out/in the 68HC11. I.E.the Handy Board uses an SPI for downloading data from the Desktop machine. (...) Charles Hacker School of Engineering Griffith University - Gold (...) (26 years ago, 11-Apr-98, to lugnet.robotics.handyboard)
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| | Re: setting an output
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You mean SPI outputs? Yes, check the HB HP FAQ under something like... "...digital outputs...?" ---...--- ericson mar Master of Engineering Candidate Project: Mobile Robotics mar@cooper.edu (212)353-4356 Department of Mechanical Engineering The (...) (26 years ago, 11-Apr-98, to lugnet.robotics.handyboard)
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| | setting an output
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Does anybody know if it's possible to make a pin high and then leave it high until I send another command to make it low? or will I have to set up some sort of external bistable flip flop that will save the state? I assume I would have to use some (...) (26 years ago, 10-Apr-98, to lugnet.robotics.handyboard)
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| | Vector 2x and Polaroid Sonar
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Hi All, I currenty have the Sonar connected to my Handyboard and it is great. I am interested in purchasing the Vector compass. Has anyone got both working together, it seems they both use the same SPI ports or the same pin 2 on the motor chip. Any (...) (26 years ago, 10-Apr-98, to lugnet.robotics.handyboard)
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| | Help - Cannot download!
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I wonder if any of you have had this problem before, but when I try to download the pcode_hb.s19 to the handyboard, it seems to download okay....however, when I power-cycle the board, it still acts if I didn't download anything - LCD is blank, (...) (26 years ago, 10-Apr-98, to lugnet.robotics.handyboard)
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| | Re: dc motor blues
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yup, here's what's going on. the motor percent argument controls the POWER, not the speed. if the motor is essentially unloaded, it will run at nearly full speed even at a low power percentage. if you build a gear train that makes the motor do some (...) (26 years ago, 10-Apr-98, to lugnet.robotics.handyboard)
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| | dc motor blues
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After driving all my robots with step motors, I finally decided to try driving one with DC motors. I got a couple of the lego gearmotors, and mounted them on my robot with belts driving the wheels at a reduction ratio of about 1.5:1, and have been (...) (26 years ago, 10-Apr-98, to lugnet.robotics.handyboard)
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| | Re: Vector 2x and Polaroid sonar source
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(...) (26 years ago, 9-Apr-98, to lugnet.robotics.handyboard)
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| | CONFIG reg of "E2"
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Hi to all ! Last week, I sent a interesting text of a motorola application (found at (URL) concerning the problem with the CONFIG reg of the 68HC811E2, unfortunately, there is no reaction til today. This application says, that the CONFIG of the "E2" (...) (26 years ago, 9-Apr-98, to lugnet.robotics.handyboard)
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| | Sat, May 2: Robotic Park kids exhibition / robot show
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Hi all, Anyone in the southern New England area will be interested in the Rhode Island School of the Future's annual "Robotic Park" exhibition of kids' robotic creations, to be held Saturday, May 2, 1998 at the Peace Dale Elementary School in (...) (26 years ago, 9-Apr-98, to lugnet.robotics.handyboard)
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| | yacc stack overflow
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What exactly is a yacc stack overflow? I wrote somemore code to my nifty lil program involving adding more else if statements and it wont let me compile. Does anyone know what a yacc stack over flow is? How do I fix this so it will compile my (...) (26 years ago, 9-Apr-98, to lugnet.robotics.handyboard)
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| | Re: LMD18200
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CRAPOLA! NEVERMIND! I was wrong and thinking of the bridged version (the one I use here. . .) SORRY, MY BAD. Each socket on the handyboard will control 1 (ONE, UNO, UN. . .) Wirz _non-bridged_ 18200 board. Since the non-bridged version can control 2 (...) (26 years ago, 9-Apr-98, to lugnet.robotics.handyboard)
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| | Re: LMD18200
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With the non-bridged board, each socket will control 2 boards. So for board 1, you'll connect to pins 1 and 2 in the socket, and for board 2 connect to pins 9 and 10. The other pins you can do as you please (for the brake, current sense, and thermal (...) (26 years ago, 9-Apr-98, to lugnet.robotics.handyboard)
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| | Re: LMD18200
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I think I am a little confused by the wording of this. I am using the non-bridged board, so 1 socket on the HB controls how many boards? Thanks for all your help. Really appreciate it! Mike ---...--- <excerpt><fontfamily...param>YES. Take the (...) (26 years ago, 9-Apr-98, to lugnet.robotics.handyboard)
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| | Re: LMD18200
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Oh yeah, just use the regular motor IC routines. Plug and play! -=Scott Date sent: Wed, 8 Apr 1998 14:14:36 -0700 To: handyboard@media.mit.edu From: "Michael S. Reiling" <macman@inreach.com> Subject: LMD18200 (...) (26 years ago, 8-Apr-98, to lugnet.robotics.handyboard)
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| | Re: LMD18200
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<FontFamily><param>Courier New</param>We've used the Wirz boards with great success here at Washington University. I can answer both of your questions at once, since they're the same thing. YES. Take the drivers off the handyboard, because now the (...) (26 years ago, 8-Apr-98, to lugnet.robotics.handyboard)
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| | LMD18200
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I just bought the motor driver kit from wirz electronics, and I have finished putting it all together. My question is, do I take the motor drivers off of the HB and put them on the wirz board, or do I leave them on the HB. Question 2: Assuming I (...) (26 years ago, 8-Apr-98, to lugnet.robotics.handyboard)
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