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 | | expansion header
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| Does anyone know how I might turn a selected output on the expansion header low. These outputs are normally high and reading the docs tells me this header is used for chips selection. Other than chip selection, this header could be utilized to (...) (27 years ago, 5-Apr-97, to lugnet.robotics.handyboard)
| | | | | analog header
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| I am currently trying to put together an IR collision avoidance system..... I'm using the HOA2498-002 IR diode/transistor package which is hooked up to a darlington pair (increased sensitivity) Using a digital output to turn on the diode via a (...) (27 years ago, 5-Apr-97, to lugnet.robotics.handyboard)
| | | | | Re: Sonar problems
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| I remeber there being some kinda control character like a line feel or something. This is due to the difference in environments, DOS, unix, etc. This might be the cause of your problem. I think I had some trouble with this too but I forgot all about (...) (28 years ago, 5-Apr-97, to lugnet.robotics.handyboard)
| | | | | Better assembly code
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| I went home and got my Pink book, the menemonics on this 'software output only' UART are now correct (assume PORTA bit 7 (PAI) as the output pin) ; ; Called with character to send in A ; Destroys A, B, and X ; serout:: SEI ; disable interrupts LDX (...) (28 years ago, 4-Apr-97, to lugnet.robotics.handyboard)
| | | | | Sonar problems
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| I have The Polaroid sonar system hooked up as stated in the readme file that is on the web page but I can't get it to work. I downloaded the five programs in the sonar directory and when I try to download them I get errors. I can't get the ICB file (...) (28 years ago, 4-Apr-97, to lugnet.robotics.handyboard)
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