Jeff Nicholls
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  • Toronto, Ontario
  • Canada
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Jeff Nicholls asks: Approximately what frequncy of PWM would be ideal for a 12V 50RPM motor?

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Apr 1, 2011
Jeff Nicholls commented on Mark J. Sutherland's blog post Moving Relocatable Code Files - org Directive
"I'm pretty sure your problem is that you are trying to put code into already occupied program memory.  Check your main program, are you using any ORGs in it?  I know my main program first has: ORG 0x0000 goto Initialize   ORG…"
Mar 2, 2011
Jeff Nicholls asks: My code is behaving very strangely. I cannot explain this problem in 280 characters so just simply click this and read the additional details.

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Feb 28, 2011
Jeff Nicholls asks: Someone tell me why code A does not work and code B does work:<br/>Code A:<br/><br/>bcf PCLATH,4 ;select page 1<br/>bsf PCLATH,3<br/>goto $ ;infinite loop<br/><br/>Code B:<br/>bcf PCLATH,4 ;select page 1<br/>bsf PCLATH,3<br/>nop<br/>nop<br/>goto $

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Feb 25, 2011
Jeff Nicholls asks: How can I convert a 16 bit binary number (which is a multiple of say 0.7mm (it's my distance counter)) into another 16 bit binary number (which is a multiple of 1cm) and then convert this binary number into BCD? ...and do it in a relatively simple way on the PIC16.

(via Answers)

Feb 22, 2011
Jeff Nicholls asks: Hyperterminal:<br/><br/>The installation file for hyperterminal does not seem to be included in the PML software download. Anyone else manage to find it?

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Feb 13, 2011
Jeff Nicholls asks: Can someone tell me exactly what the "code" and "udata_shr" directive do? Can't seem to find any good explanations anywhere. Thanks

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Jan 30, 2011
Jeff Nicholls asks: For PIC16 users: I am trying to use keypad presses to cause interrupts. The lab exercise (Keypad) tells us to short RBO and RB1, so that when RB1 goes high signalling data ready, RB0 also goes high, setting INTF. What's the best way to short these pins?

(via Answers)

Jan 26, 2011
Jeff Nicholls commented on Ritchie Thai's blog post Tip: The directory of your MPLAB project can cause problems.
"This is honestly the dumbest thing ever."
Jan 26, 2011
Jeff Nicholls is now a member of Personal Mechatronics Lab
Jan 6, 2011

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