 | | [Q] power supply for polaroid sonar
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In the Handyboard homepage under 6500 polaroid sonar libraries, there is a great illustration (BRAVO!) that depicts the connections from the HB to the module that operates the sonar itself. The power supply to the module (which should be around +5V) (...) (27 years ago, 19-Jan-98, to lugnet.robotics.handyboard)
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| | HB web site design changes
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Hi all, Those of you running Internet Explorer on Windows 95 or NT have probably noticed that the table of links running down the left column is hard to read -- light blue (or purple) links on a medium blue background. Those links are supposed to be (...) (27 years ago, 19-Jan-98, to lugnet.robotics.handyboard)
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| | Re: Dallas NVRAM.
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German -- The Dallas NV RAM should work fine. Just so you know -- for future reference -- Interactive C will not work resident in a ROM. Interactive C must operate out of RAM. Fred In your message you said: (...) (27 years ago, 19-Jan-98, to lugnet.robotics.handyboard)
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| | Robot Controller
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Hello, I'm trying to outfit a Motorola 68HC12 evaluation board as a handyboard robot controller. Since Randy Sargeant's Handyboards' use the 68H11 (which is source-code compatible with the 'H12), I'd like to share information with people who've done (...) (27 years ago, 19-Jan-98, to lugnet.robotics.handyboard)
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| | Dallas NVRAM.
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Well, finally i see the option of 711e9 is not god, i see the K9 version have 24 K optrom and the vector location is inside my optrom. That's god , because i need to start in special test mode. But , a little detail, in Argentina , where i'm live , (...) (27 years ago, 19-Jan-98, to lugnet.robotics.handyboard)
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| | pcode_hb.s19 downloading probs
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hello, I tryed to download the pcode_hb.s19 file using DL, When it starts sending it stops and says "expected 244, received 150, after 144 chars recieved" I cant seem to get any of the downloaders to work. Im a bit stuck on where the problems lies (...) (27 years ago, 18-Jan-98, to lugnet.robotics.handyboard)
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| | RE: M68HC711E9
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O.K, , I still have a question. I'm working with a handy board and it use a special mode to talk to a LCD. If i understand , the handy board need to put the reset vector in the range BFC0 - BFFF. If get the aplication note for the 711E9 and ,as it (...) (27 years ago, 17-Jan-98, to lugnet.robotics.handyboard)
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| | Still problems to boot handyboard.
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I still have problems with two handyboards. I can download the code but never boot my code (that code run in other handy, however) Other variant is if i put a 69hc11a1fn the handy download the initiatl bootstrap code , and when try to syncronize (...) (27 years ago, 17-Jan-98, to lugnet.robotics.handyboard)
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| | Re: Shaft Encoders
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(...) Hi there, Would these chips be suitable for interfacing a mouse to the Handyboard? My robot incorporates a mouse as a castor wheel and I want to use its shaft encoders as position/velocity sensors (relative) for the robot, but I don't know (...) (27 years ago, 16-Jan-98, to lugnet.robotics.handyboard)
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| | Re: Shaft encoder
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(...) Hi there, Would these chips be suitable for interfacing a mouse to the Handyboard? My robot incorporates a mouse as a castor wheel and I want to use its shaft encoders as position/velocity sensors (relative) for the robot, but I don't know (...) (27 years ago, 16-Jan-98, to lugnet.robotics.handyboard)
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| | Handy board troubles.
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I have various handyboard and i never use the IR ports. So i'm assembling one handy, and don't put al the components asociated to that ports. I download anyprogram to that's board and never boot again!!!! The transmision is o.k. but don't start (...) (27 years ago, 16-Jan-98, to lugnet.robotics.handyboard)
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| | Re: Config Register error
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I had the same problem. I was never able to get HBDL to set the config register. I used DL to set it on one board and DLM on another. I used the information from the HandyBoard technical reference manual to use these programs. (URL) the config (...) (27 years ago, 16-Jan-98, to lugnet.robotics.handyboard)
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| | Config Register error
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hello all, I have only started building the Handy Board and have run into some problems at the very start when i first conected the part built board. I have build it as far as the power supply, stop switch and 68hc11 installed, memory and lcd. When (...) (27 years ago, 16-Jan-98, to lugnet.robotics.handyboard)
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| | Hooking up PA7
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I downloaded the 9600 baud serial driver that uses Digital input #9 or PA7 (I think). It is really unclear to me which connector I should plug into. In between the IR I/O section and the BATTPWR LED's there are a bunch of connectors. The manual (...) (27 years ago, 16-Jan-98, to lugnet.robotics.handyboard)
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| | using handyboard with vernier ULI
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Hello from New Mexico I'm currently teaching a robotics class at the high school level and we have been exploring the possibility of creating a rover that will eventually be independent and have enough AI to make decisions that will get it through (...) (27 years ago, 15-Jan-98, to lugnet.robotics.handyboard)
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| | Initialization Problemas. S.O.S.
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Hello Out there! We are a group of computer science students here in Universidad Simon Bolivar (Caracas, Venezuela). We are currently teaching a robotics course as we took it last trimester. We are having trouble initializing the handyboards. The IC (...) (27 years ago, 15-Jan-98, to lugnet.robotics.handyboard)
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| | Re: 8 bits A/D bus
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Please read Appendix B of the 6.270 Robot Builders Guide. This explains how to interface latches with the Handy Board. See (URL) Hello, (...) s (...) k (...) e (...) (27 years ago, 14-Jan-98, to lugnet.robotics.handyboard)
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| | Re: 8 bits A/D bus
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I am building a somewhat similar circuit (a high-current h-bridge for the handy board), although I only need to read the data lines. However, the same approach will work for writing to the bus. My circuit lives on a board which plugs in between the (...) (27 years ago, 14-Jan-98, to lugnet.robotics.handyboard)
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| | 8 bits A/D bus
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Hello, I've bought a handy board, and try to build a card to enserve two motors. On that card I have a IC chip (HP hctl 1100) that needs to be link to a 8 bits Adress/data bus in both reading and writing modes. My problem is where to pick such a bus (...) (27 years ago, 14-Jan-98, to lugnet.robotics.handyboard)
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| | Hb / Hctl1100 interface
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Hello, does anyone know I could find the entire schematics about interfacing a HB with 2 Hctl1100 ??? It would be great!! Thanks in advance, Antony Vallee (27 years ago, 13-Jan-98, to lugnet.robotics.handyboard)
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