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Please help me with 16 bit problem
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carl



Joined: 06 Feb 2008
Posts: 240
Location: Chester

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16 bit
PostPosted: Tue Feb 19, 2008 4:02 am     Reply with quote
Solved


Tried it last night and it all worked great.
thankyou for all your help.

Carl
carl



Joined: 06 Feb 2008
Posts: 240
Location: Chester

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16 bit
PostPosted: Sun Feb 24, 2008 12:17 pm     Reply with quote
Completed - everything works fine.

Thankyou All
cybanical



Joined: 10 Apr 2008
Posts: 6
Location: Oakland, CA

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cont'd
PostPosted: Mon Apr 21, 2008 1:40 pm     Reply with quote
In a similar vein....

I'm trying to use a PIC18F4520 (came with the kit) to convert a 2 channel, optical encoder signal into an Analog tachometer to replace the broken tach I have on an old servo motor for use with a cnc machine.

Lurking through these forums I have managed to build up code to calculate my rpm (only watching 1 channel for CCP) and output an 8bit voltage using portD and an R/2RLadder. However, since my rpm range is 0-2400rpm, I would like a little better resolution.

I was considering using two ports to output a 16bit value. However, I think I read someone's comment regarding the ports being unable to open simultaneously. I imagine there is a short delay, but I was wondering if someone has dealt with using multiple ports to increase output resolution?
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cybanical == cyber+mechanical
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