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  • Recent Forum Posts

    Ioannis

    Re: WS2811 and WS2812 One-Wire Communication Assembly Help

    It seems that the chips WS2811 are quite tolerant on the timing specs.

    Ioannis

    Ioannis Yesterday, 10:13 Go to last post
    richard

    Re: WS2811 and WS2812 One-Wire Communication Assembly Help

    just remembered de morgan equivalents , have not done Boolean algebra since ttl was in vogue

    richard Yesterday, 09:00 Go to last post
    richard

    Re: WS2811 and WS2812 One-Wire Communication Assembly Help

    just for a joke I upped the osc to 32mHz ,
    it still works , its less than 3mS now for 192 bytes
    these things aren't that fussy

    richard Yesterday, 08:48 Go to last post
    richard

    Re: WS2811 and WS2812 One-Wire Communication Assembly Help

    I may have measured that wrong, its more like 5mS now for 192 bytes


    the spi takes 25uS per byte and there is a 5us gap between bytes as is

    I think the gap between bytes needs to be less than...

    richard Yesterday, 08:41 Go to last post
    Ioannis

    Re: WS2811 and WS2812 One-Wire Communication Assembly Help

    Richard, thanks for looking into this.

    For 64 led's I think the timing for each frame is 3,84ms. Does it work with 2ms?

    Anyway, you did a great job on this. Really fast!

    Well, the AN...

    Ioannis Yesterday, 08:20 Go to last post
    richard

    Re: WS2811 and WS2812 One-Wire Communication Assembly Help

    a small refinement
    CLC1 can be released from use its not needed with a 16f1619

    by

    CLC2SEL1 = $0E; in lieu of 04

    richard Yesterday, 05:38 Go to last post
    sayzer

    Re: Metal Detector

    Hi Andy,

    Here is a link for you. It has a Metal Detector circuit with 12F1840.


    Also, below is the circuit schematic.

    http://www.digiwood.ee/images/metaldetectorimages/schematic_700.png

    sayzer Yesterday, 05:05 Go to last post
    richard

    Re: WS2811 and WS2812 One-Wire Communication Assembly Help

    interesting find ioannis.

    the an seems to lack many details not just how to use it ,I tried it out on a pic16f1619 and discovered that the an description of the clc cells setup is quite...

    richard Yesterday, 04:26 Go to last post
    Demon

    Re: 144 LED Games Console Project

    I want my money back. :D

    Demon - 14th October 2017, 21:39 Go to last post
    Ioannis

    WS2811 One-Wire Communication Assembly Help

    I am after such a project too. Unfortunately Assembly is not too friendly.

    I found this AN from Microchip, AN1606 that uses the CLC module on some new chips, like the 16F1509.

    After a cryptic...

    Ioannis - 14th October 2017, 20:48 Go to last post

  • How To RSS Feed

    Microchip Tips and Tricks 

    by
    ScaleRobotics
    • View Profile
    • View Forum Posts
    • View Articles
    Published on - 17th June 2010 17:26  Number of Views: 6398 

    The link below has the most information about tips and tricks using PIC micro-controllers. The attachment is a smaller version ...
    Read More Read More

    Presetting Configuration Fuses (PIC Defines) into your Program 

    by
    Melanie
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    • View Articles
    Published on - 20th May 2010 16:27  Number of Views: 5873 

    1. What are the Configuration Fuses?
    2. How can I preset them in my Program?
    2.a. When using MeLabs default     ...
    Read More Read More

    Bits, Bytes Words and Arrays 

    by
    Melanie
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    Published on - 23rd April 2010 19:39  Number of Views: 2614 

    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?
    ...
    Read More Read More

    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: 5619 

    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.
    ...
    Read More Read More
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