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Recent Forum Posts

Re: Increasing resolution of DTs MIBAM library?

Well that's nice idea, but selection of pins to where you can map HPWM - is quite limited as I know.

I had another idea - use MIBAM as is, but feed outputs to logical AND gate and use built in PWM...
CuriousOne Yesterday, 08:48

Re: Increasing resolution of DTs MIBAM library?

Darrels documentation says
In order to increase the resolution to 10 bits the LSB would need to be 1/4 of its current length meaning you'd need the PIC to run at 192MHz. Or you'd need to reduce the...
HenrikOlsson Yesterday, 05:54

Re: Increasing resolution of DTs MIBAM library?

I'm using MIBAM because with 64mhz PIC18 CPU, I can have 48 independent PWM channels. But they're 8 bit. I want 48 channels with 9 or 10 bits resolution (12 - preferable) :)
CuriousOne - 14th September 2025, 21:01

Re: Increasing resolution of DTs MIBAM library?

More channels is totally a different thing from resolution as you stated on post 1...

Maybe you can do that in assembly. A bit difficult though.

Ioannis
Ioannis - 14th September 2025, 15:11

Re: Increasing resolution of DTs MIBAM library?

Unfortunately, there are no PIC chips with like 8-16-32 independent PWM outputs.
Sure, there are chips like LT8500, with 48 channel PWM output, but they're way too expensive...
CuriousOne - 14th September 2025, 05:34

Re: Bitbang USB protocol?

Yes, it has been done on an AVR. See this link for the V-USB

https://www.obdev.at/products/vusb/index.html
Jerson - 14th September 2025, 04:47

Re: Bitbang USB protocol?

only in their dreams

https://en.wikipedia.org/wiki/USB_communications
richard - 14th September 2025, 01:08

Bitbang USB protocol?

So maybe bitbang isn't the right word, but I am wondering if anyone has attempted USB communication on a chip without integrated USB functionality. I'm aware chips like the 18F2550 include that...
achilles03 - 13th September 2025, 17:41

Re: Increasing resolution of DTs MIBAM library?

It hsa to be done from scratch. Though I doubt it can be a general include file for any PIC chip.

Better use a chip with higher PWM resolution.

Ioannis
Ioannis - 13th September 2025, 14:49

Increasing resolution of DTs MIBAM library?

Hello.
Currently this "library" or whatever it is correctly called, has resolution of 8 bits, which can be somewhat limiting.
Is there a chance to "increase" resolution to 9 or 10 bits, or it has...
CuriousOne - 13th September 2025, 09:55

How To
Microchip Tips and Tricks
by
ScaleRobotics

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Published on - 17th June 2010 17:26 Number of Views: 12627
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 16:27 Number of Views: 13209
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 19:39 Number of Views: 11168
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 19:28 Number of Views: 13813
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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