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Recent Forum Posts

Re: Pull down button on Port B

Ther only way high current may damage the input pin is by inducing that current from an external source. I do not know how is your settup exctly, but if you do have long wires or nearby high voltage...
Ioannis Today, 19:42

MIBAM question

Hi guys,

I have been playing with MIBAM from Darrel Taylor and it works perfectly.
However, i was trying to get the cyclon effect at one point and a full fade-in or fade-out of all the same LEDs...
PaulMaker Yesterday, 19:03

Re: Pull down button on Port B

Solved: Microchip Applacation note AN552
"The series 100Ω resistors are used for Electrostatic Discharge (ESD) protection."

OK, I think I was on the right track. In fact I was considering 100Ω...
MOUNTAIN747 - 18th January 2026, 18:31

Re: Pull down button on Port B

thanks Richard for the reply. My point is to limit the current surge when the PortB pin drops from 5v to 0v at the button push. My thinking is there is a spike of current that may damage the PortB...
MOUNTAIN747 - 18th January 2026, 17:59

Re: Pull down button on Port B

if your query is to do with ameliorating effect of debounce capacitor

google ai says
richard - 18th January 2026, 01:07

Pull down button on Port B

Using weak pullups on port B of 16f1936. A button to ground will cause an interrupt on IOCBN.
Question: should I use a low value resistor in line with this pull down button?

Wayne
MOUNTAIN747 - 17th January 2026, 20:28

Re: Error compiling with DT Interrupts

Hi Richard,

thank you so much for your quick reply.

And once again you are 100% correct.
How could i be so blind?

Thanks. It now compiles correctly.
PaulMaker - 16th January 2026, 23:18

How To
Microchip Tips and Tricks
by
ScaleRobotics

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Published on - 17th June 2010 18:26 Number of Views: 17987
The link below has the most information about tips and tricks using PIC micro-controllers. The attachment is a smaller version ...

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Presetting Configuration Fuses (PIC Defines) into your Program
by
Melanie

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Published on - 20th May 2010 17:27 Number of Views: 14945
1. What are the Configuration Fuses?
2. How can I preset them in my Program?
2.a. When using MeLabs default ...

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Bits, Bytes Words and Arrays
by
Melanie

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Published on - 23rd April 2010 20:39 Number of Views: 12164
1. How can I reference a BIT in a BYTE?
2. How can I reference a BIT in a WORD?
3. How can I reference a BIT in a BYTE ARRAY?
4. How can I reference a BIT in a WORD ARRAY?
5. How can I reference a BYTE in a WORD ARRAY?
...

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I’m Running Out of CodeSpace, What Can I Do?
by
Melanie

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Published on - 23rd April 2010 20:28 Number of Views: 15694
I’m Running Out of CodeSpace, What can I do?
My progam is too slow - What can I do?

Apart from the obvious and move to a faster PIC with more program memory, there’s a few little known tricks you can try.
...

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