 | | Re: Re:68HC811E2
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-----Original Message----- From: Mike Chang <mchang@westworld.com> To: HandyBoard <handyboard@media.mit.edu> Date: Thursday, April 02, 1998 8:19 PM Subject: Re:68HC811E2 No advanage to them (i think) because u cant use the 2k eeprom with the (...) (26 years ago, 3-Apr-98, to lugnet.robotics.handyboard)
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| | Re:68HC811E2
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Hi All, I'm curious. I've been watching all the stuff come through about using a '811E2 chip in the Handyboard. My question is: What are the advantages of this? I'm using E2's in my BotBoard from Marvin Green but I moved most of my stuff to the HB (...) (26 years ago, 3-Apr-98, to lugnet.robotics.handyboard)
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| | Troubles with dallas memory 2.
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i have more info to that puzzle. I assembly two mother handy. One work fine , the other only download to a common memory, don't download to a dallas memory !!! I don't uderstand why if work in the common memory , don't in the backed memory? The idea (...) (26 years ago, 3-Apr-98, to lugnet.robotics.handyboard)
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| | Re: 68HC811E2 CONFIG Problem
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Hi Fred, thanks for the answer. Oh yes I try'd all, that is possible with the pcbug342 but without success. A very good tip comes now from Adrian Susianto about the "64 cycles" after reset (thanks Adrian). I remember, that I read about this in a (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Hall Effect
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Does any one know of a source for Hall Effect sensors? I know DigiKey sells them, but I just want to buy a few. I don't want enough stuff to get me upto the $25.00 minimum order. I have not been able to find them in Mousers catalog. Can anyone (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | New use for the HB
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Just thought I'd write a little note to everyone describing how we are using the HB. I've been working with Bloomington High School South in Bloomington, IN. About a year ago they decided to put together a Solar Bike Team to race in the SunRayce in (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Re: 68HC811E2
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... but I tryed this already and without success. The hbdl loader says "Invalid CONFIG reg (0xFF) Try again" and when I check the eeprom area with PCBUG11, it is already there. I think, the E2 has a special protection for the CONFIG ---...--- Hello (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Trouble with a dalla memory .
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I have assembly a handyboard the last week , and somethings is wromg, and i can find what is the problem. This board have a dallas backed memory , so i dont use the battery pack. The memory can be removed and put in the place a common memory (don't (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Re: 68HC811E2 Can't be set
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I had the same problem with an A1, in this case it was stuck at 0x0D. hbdl would NOT set the config, but I was able to do it with dl from Win95 run in full MS-DOS mode. Even this was problematical; dl would invariably hang the computer once or (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | RE: Need help finding a A1 chip.
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Try BG Micro, 1-800-276-2206, www.bgmicro.com/ . They have/had a quantity of used A1's for $6.95. You may need to clean/straighten the pins, but so far the ones I bought work. Brett Anthony Research Technician School of Engineering and Computer (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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