serial LCD 1602 Backpack using PIC16F690 for Hitach HD44780


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  1. #1
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    Default Re: serial LCD 1602 Backpack using PIC16F690 for Hitach HD44780

    I aggree on both comment, Hserin is more convenient than Serin2

    the goal of this project was to learn base on inexpensive parts on-hand

    you can strech the total cost for less than $12 pcb included not bad for an hobbyist who's looking to add a simple but pratical alphanumeric display

    I really appreciate comments

    btw , what is happening with MELab Forum, is it close for good.
    Last edited by jackberg1; - 1st October 2025 at 02:01.

  2. #2
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    Default Re: serial LCD 1602 Backpack using PIC16F690 for Hitach HD44780

    The Melabs Forum is(was?) supported by the company itself. So little is known as to what is happening.

    The company does not really have a future.

    Some of us here are also dinosaures and reluctant to switch to C or other platforms. So we stay and try to support its operation, as long as our host, honorable Lester, allows this forum to live.

    Ioannis

  3. #3
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    Default Re: serial LCD 1602 Backpack using PIC16F690 for Hitach HD44780

    very kind of you to reply,

    Roughly 12 years ago, I started learning Basic Pic programming with Picaxe, then GCBasic
    now I'm mostly using MELab PBP Pro, and Positron both are like twin of Pic Basic compiler.

    my guess is these IDE Compilers are the last ones on the market, now the current trend is
    with Arduino, Python etc..

    if I may ask,

    are you aware of any good sources on how,
    to learn asm, and understand the asm files structure, to write assembler code, compile it and to download to a PIC

    regards.

  4. #4
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    Default Re: serial LCD 1602 Backpack using PIC16F690 for Hitach HD44780

    What is the use of learning ASM when C is better with great support and portable too?

    I think it is a waste of time if you choose ASM. Also you have to deal with pages, Banks and will be very much difficult to keep your mind checking all the time if your code has to change banks, pages etc in order to access registers correctly.

    But if you insist on diving in the deep dark waters of ASM, then I guess Microchip is the first to think. But these video tutorials also help https://www.youtube.com/@IESD2013

    Ioannis

  5. #5
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    Default Re: serial LCD 1602 Backpack using PIC16F690 for Hitach HD44780

    thanks for the advice, it's helping what to consider.

  6. #6
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    Default Re: serial LCD 1602 Backpack using PIC16F690 for Hitach HD44780

    as for C is considered, which IDE/Compiler you use or recommend

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