 | | Re: how do i get info on where to buy a handyboard?
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Mike, (...) The best place for all information about the handy board, including the places to buy, is the Handy Board Home page. (URL) get directly to the page on where to buy them, then go here: (URL) (at the Uni) purchased ours from Patrick Hui, (...) (26 years ago, 5-May-98, to lugnet.robotics.handyboard)
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| | Re: LCD Addressing
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Mike, Chuck McManis may have answered your request, but in case you still want sample code I am attaching an example code that prints to the HandyBoard display. (The code forms part of the Handy Board buffalo I had developed). I had trouble getting (...) (26 years ago, 5-May-98, to lugnet.robotics.handyboard)
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| | how do i get info on where to buy a handyboard?
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hi i am lookin for a handyboard, i saw one at trinity college it came with batt charger prgrm cable dc motors sensors etc... where do i get one a phne # or e-mail address etc... thanks -mike (26 years ago, 5-May-98, to lugnet.robotics.handyboard)
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| | Re: Controlling a DC motor 3
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(...) Actually, the frequency is somewhat important. The faster you switch, the more power will be lost to the switching of the power transistors and the filtering effect provided by the inductance of the motor. At the other extreme, frequencies (...) (26 years ago, 5-May-98, to lugnet.robotics.handyboard)
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| | **handyboard**
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hello, i was wondering if anyone can help me.i dont own a handyboard yet, how do you program it, i am worried that it is very compicated to do. please if you could send me some simple code say to move both drive motors fwd, how would you do it? i (...) (26 years ago, 4-May-98, to lugnet.robotics.handyboard)
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| | Re: Cannot download pcode on a Mac G3
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I have a 266 G3 minitower, and I have the identical problem. The only way to solve this is to let IC die, not reset the HB and then run IC again. It complains to can't talk to the HB, and then I reset the HB and all works fine. Kinda odd, but it (...) (26 years ago, 4-May-98, to lugnet.robotics.handyboard)
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| | Hardware Questions
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Recently, many of you have had pretty specific hardware-related questions. The best thing to do is to read Appendix B of the MIT 6.270 Robot Builder's Guide (Appendix A of the new 1998 Course Notes). This appendix contains a complete description of (...) (26 years ago, 4-May-98, to lugnet.robotics.handyboard)
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| | Re: Motor Drivers in 7000 - 7fff
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Jaron, (...) This was done (obviously) to save extra decoding circuitry needed on the board. That is, if the handy board needed to assign (say) 7000 as the motor then sixteen address lines need to be decoded (binary 0111 000 000 000). Yet with the (...) (26 years ago, 4-May-98, to lugnet.robotics.handyboard)
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| | Working with a different compiler 2
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Howdy All, I am in a happy mood today. I finally got to the 'hello world' stage. All I had to do was count the number of interrupts, * 2 (16 bit addresses), subtract this from BFFF which is the reset vector and thus supply BFD6 to my linker to start (...) (26 years ago, 4-May-98, to lugnet.robotics.handyboard)
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| | Re: LCD Addressing - & - Expanded Mode
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From the driver code I recently sent out: * LCD Connections on the Handyboard * PORTB bit 0 - R/W * PORTB bit 1 - RS (Register Select, 0 = instruction) * PORTC 8 bits of Data * PORTA bit 4 - E clock (...) That is correct, the LCD is NOT memory (...) (26 years ago, 4-May-98, to lugnet.robotics.handyboard)
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| | Re: dc motor blues
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Hi All; Along the same lines, I would LOVE to control my motors so they run at constant speed under varying load. I know that it's theoretically possible to sense the RPM of a PM DC motor by tracking the drive voltage as the commutator makes and (...) (26 years ago, 4-May-98, to lugnet.robotics.handyboard)
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| | RE: Connections
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Hmm... I had the same problem and made an only mildly inelegant kludge with straight and right-angle headers. How much do you enjoy soldering? Seriously, does anyone know of any single-row intraconnectors? Brett Anthony Research Technician School of (...) (26 years ago, 4-May-98, to lugnet.robotics.handyboard)
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| | Re: Cannot download pcode on a Mac G3
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(...) Yes. Using the same set of boards, I can download pcode using IC 3.1 as well as IC 2.xxx from my old macintosh Centris 650 as well as from Performa 6100. -Paul (26 years ago, 4-May-98, to lugnet.robotics.handyboard)
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| | Re: Cannot download pcode on a Mac G3
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Hi Paul, This is the first time we've heard of such a problem with IC 3.1 on the Mac G3. Can you verify that it is the case that pcode download works fine for you from other Macintoshes? -- Randy ---...--- (...) (26 years ago, 4-May-98, to lugnet.robotics.handyboard)
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| | Re: Schematic drawing - freeware ???
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Hi Les, i´m using a nice drawing programm (TARGET 2001). In germany we can get a "lite" Version of a big-drawing programm it´ easy to use and it works great, but it is in german. If you are interested, send me a mail tschau bernd (...) (26 years ago, 4-May-98, to lugnet.robotics.handyboard)
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| | Re: Handy Board problem
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I got mine from FutureActive. I don't remember what the cost was and I don't remember what else I got from them, but it was more than just that. I think I placed about 2 orders with them. I would much rather deal with Mouser and Digikey. If you have (...) (26 years ago, 4-May-98, to lugnet.robotics.handyboard)
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| | Re: LCD Addressing - & - Expanded Mode
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I found the driver you sent earlier. Thanks. BTW, I found out that my LCD is good but I still have a problem. It appears that I cannot change my CONFIG reg. Maybe because it is an 811E2; don't know. Should be able to however. Since the program was (...) (26 years ago, 4-May-98, to lugnet.robotics.handyboard)
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| | Re: LCD Addressing - & - Expanded Mode
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Wierd: Anyway I have some kind of problem with the handyboard. All steps up to the testing of the LCD went fine. When I plugged in the LCD and turned it on, it lights up (one line) bright not dim. I tried to download the pcode_hb.s19 with config set (...) (26 years ago, 4-May-98, to lugnet.robotics.handyboard)
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| | Re: LCD Addressing - & - Expanded Mode
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So, this still doesn't help me figure out how to address the LCD. It has A8 and A9 connected along with a CLK from Port A. Does this mean that the LCD is NOT memory mapped? Do I first have to write to Port B then write to Port A, to clock it. This (...) (26 years ago, 4-May-98, to lugnet.robotics.handyboard)
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| | Re: DS1233 Monitor Chip
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(...) I use an MC34064 on a 68hc11, and have never had any problem with it. Philippe Guermeur guermeur@ensta.fr (26 years ago, 4-May-98, to lugnet.robotics.handyboard)
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