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| (...) Actually its 64K for the HC11 cause it has a 16 Bit address bus. 16^2 = 65536 = 64K But the upper address space is used by the I/O and expansionboards. There are some little empty spaces which could be used for additional RAM. There are (...) (26 years ago, 26-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.871)
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fred
(score: 0.871)
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| | Re: Motor Drivers
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| 300 mA shouldn't be a problem. are your main batteries low? alternately, are you sure it's 300 mA at 9v? can you measure it somehow. fred In your message you said: (...) (24 years ago, 6-Apr-00, to lugnet.robotics.handyboard)
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fred
(score: 0.871)
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| | Re: Diodes for Sonar Assembly
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| yes, this is fine. the 5404s have a higher voltage rating, so they're "better". the 5401's are specified because they'd be cheaper and are already more than adequate. fred In your message you said: (...) I (...) e (...) (24 years ago, 4-Apr-00, to lugnet.robotics.handyboard)
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fred
(score: 0.871)
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fred
(score: 0.871)
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| | http://WWW.BAYLUG.ORG(!)
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| The domain is now registered, and I'll be setting up the related settings (DNS, server entries, a few starter accounts, mail services) in the next few hours. On the other hand, there isn't any "there" there yet. I haven't had much time to develop (...) (26 years ago, 4-Mar-99, to lugnet.loc.us.ca.sf)
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fred
(score: 0.870)
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| | 2k Sets
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| Lots of 2k sets at Target on Hamilton in San Jose. I went this morning and picked up the Gungan Patrol (7115) and the A-Wing Fighter (7134). Just for some fun. And now I don't want to do any work. They also had the Boba Fett Slave (7144), Desert (...) (25 years ago, 21-Dec-99, to lugnet.loc.us.ca.sf)
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fred
(score: 0.870)
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fred
(score: 0.870)
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| | Re: 5V of trouble
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| those two things together strongly suggest that your crystal isn't running. any chance you can get a scope or logic probe to verify this -- measure the E clock output of the 'hc11 (pin 5). also, check that you've properly installed a 2.2 megaohm (...) (24 years ago, 6-Apr-00, to lugnet.robotics.handyboard)
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fred
(score: 0.870)
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| | FA (eBay): 4558 NIB, 4547 NIB, space, castle
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| Here is the list of new items on eBay. These auctions end on the evening of Saturday, June 10th, and I will be letting them run their course. Please give these a good, appreciative home. Questions email (no-spam version) fredemail at yahoo.com , or (...) (24 years ago, 8-Jun-00, to lugnet.market.auction)
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fred
(score: 0.870)
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| | Polaroid 6500 Sonar Problem
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| I'm having difficulty getting my sonar rangefinder to work properly. I've got a fully operational Handy Board with a fully operational Expansion Board plugged into it (both purchased assembled from Gleason and used extensively already without (...) (26 years ago, 9-Mar-99, to lugnet.robotics.handyboard)
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fred
(score: 0.870)
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| | Serial routines for PA7 at 2400 Baud
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| Hi, I read somewhere taht if i want to use pa7 with 2400 baud that i'll have to modify the LDAB 37 to LDAB 148. Is this the only change ?? If i try to use this, and i send 0b11111111 on the HB, I get 0b11000000 on the Host (if i try 0b00000000 i get (...) (26 years ago, 9-Mar-99, to lugnet.robotics.handyboard)
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fred
(score: 0.870)
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fred
(score: 0.870)
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| | Lego books?
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| I was wondering if there was any lego books that are related to robots. I searched the handy-board page and came across two titles that Fred Martin supposable wrote in 1996. One is titled "Robotic Explorations: An Introduction to Engineering and (...) (26 years ago, 17-Mar-99, to lugnet.robotics)
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fred
(score: 0.869)
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| | Re: handy board troubles...
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| gary -- it's an interesting bug. as you say you've got two 2-dim arrays, i can surmise that you're using Newton Lab's version of IC. In which case, they'd be the ones to address this problem. re: mailing list, it's now administered through LUGNET. (...) (24 years ago, 16-Apr-00, to lugnet.robotics.handyboard)
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fred
(score: 0.869)
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| | Re: what is NRZ ???
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| In article <004701be7630$4d2dfd...@p200mmx>, Michel Verhagen <mive@xs4all.nl> writes (...) As a graduate of Manchester University whose viva was conducted by Prof Fred "I invented Baby and the Williams Store" Williams I can bore you rigid with (...) (26 years ago, 24-Mar-99, to lugnet.robotics)
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fred
(score: 0.869)
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| | Re: Robot intelligence
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| (...) It's all a matter of framing it in the correct reward/punishment context. E.g., if you want it to learn its environment, punish it for not running into things, reward it for actively avoiding obstacles (which opens the question: How're you (...) (26 years ago, 15-Mar-99, to lugnet.robotics)
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fred
(score: 0.869)
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fred
(score: 0.869)
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| | Re: Sales this week
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| I read it, and thanks for the sale updates. alex Anne Sullivan <mzjynx@hotmail.com> wrote in message news:F9Dq2H.239@lugnet.com... (...) Fred (...) second (...) moving (...) (26 years ago, 29-Mar-99, to lugnet.loc.us.wa.sea)
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fred
(score: 0.869)
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| | Re: Trip Reports?
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| Sorry to SPAM the group with my last message. It was written in haste, and meant only for Fred. Ooops. :-( I've got a trip planning page on BayLUG, and I need to update this a bit, since it was originally written for the Grand Opening. It still has (...) (26 years ago, 25-Mar-99, to lugnet.loc.us.ca.sf)
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fred
(score: 0.869)
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