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fred
(score: 1.028)
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 | | Re: mode select pins
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| (...) The HB runs in special test mode to facilitate control of the LCD screen. Read the Appendix B information in the Tech Docs section for more info. -Fred (28 years ago, 19-Nov-96, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | Re: Reflectance sensor
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| You can use either. The 180 ohm resistor will make the output LED brighter, which is generally better, unless you make it so bright as to reduce its lifespan. -Fred ---...--- (...) (28 years ago, 22-Nov-96, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | Re: FW: Serial Communications.
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| Mike -- Doesn't the Mini SSC have a TTL-levels mode, making the MAX232 unnecessary? Please send your serial output code, though. that would be good to distribute. -Fred In your message you said: (...) (27 years ago, 21-Jul-97, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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fred
(score: 1.028)
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| | Re: LCD Removal
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| it's easy: just use the replacement pcode_hb.s19 file provided by Kent Farnsworth: (URL) your message you said: (...) and still have the HB work. My design does not require the LCD, so if i could r emove it my robot would then be a little more (...) (26 years ago, 5-Jun-98, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | Re: Download problems
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| check that your pcodeb.s19 file is not corrupted (i.e. get a fresh copy from the web site) it is possible that you have a RAM failure. fred In your message you said: (...) (26 years ago, 26-Jun-98, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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fred
(score: 1.028)
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| | HOW TO UNSUBSCRIBE
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| Greetings, This is the periodic message about unsubscribing. Please DO NOT send unsubscribe messages to the whole list. To unsubscribe, send email to fredm@media.mit.edu. Regards, Fred (27 years ago, 19-May-97, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | Re: Board synch problem
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| last week someone reported solving this by letting the battery charge. let us know if that works. am assuming that nothing changed in your config (cpu, cables, etc). fred In your message you said: (...) (27 years ago, 20-Oct-97, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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fred
(score: 1.028)
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| | Re: Handyboard and iMac
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| way back randy did have it running on NeXT, before NeXTSTEP. the unix sources are pretty clean; probably the only tricky part would be the serial line access. fred In your message you said: (...) B/Serial adapter? (...) s, so I was unable to find or (...) (26 years ago, 1-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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fred
(score: 1.028)
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| | Re: Handy Board Crash
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| (...) Re-load pcode_hb.s19. If the board loses its operating program, when it starts up it runs gibberish, and the value of the motor output latch is randomized. -Fred (28 years ago, 19-Dec-96, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | Re: Serial line interrupt
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| you could write an ICB driver that accepts the incoming serial char interrupt and buffers it up. other than that slowing down the PC is probably the best option. fred In your message you said: (...) if (...) ry (...) ng (...) (27 years ago, 11-Feb-98, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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fred
(score: 1.028)
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| | Re: RJ11 cable
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| please see the FAQ on this, look for the entry on "help my interface board is smoking and R11 is turning black!" (that's what happens if you get it wrong) fred (...) (27 years ago, 22-Feb-98, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | Re: Cannot download :(
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| (...) Hey everyone! This is this first time I've seen this suggestion for getting the downloaders to work on fast machines. Maybe other people who are having trouble can try this! Fred (...) (27 years ago, 31-Mar-98, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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fred
(score: 1.028)
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| | Re: 1050mA Dc Motor
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| If you use the Texas Instruments replacement for the L293D chip, you should be in business. Also, mini board questions should go to the robot board mailing list (see enclosed). -Fred -- This message was composed using Articulate Systems' (...) (29 years ago, 28-Mar-96, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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