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Experimenting with Extreme Environments
Forum Driving the LCD - share your experience
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  • Replies 35 replies
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Related

Driving the LCD - share your experience

Anthocyanina
Anthocyanina over 1 year ago

Hi! So, I've been working on the software for this challenge and have reached the point where i need to figure out the LCD. The datasheet has a character map and and the addresses for the position of each character. I don't have much experience with driving LCDs so I'm struggling with where to start. Have any of you figured out the LCD yet? 

I found a couple threads on the arduino forum that talk about this display, with people saying you could use the HD44780 libraries, or similar to drive it. I'll be trying that with an arduino board first, but still would like to hear about your experience with this display so far. 

Thank you!

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Top Replies

  • javagoza
    javagoza over 1 year ago in reply to BigG +5
    This one is even simpler.. github.com/.../cfah2004ac community.element14.com/.../IMG_5F00_1443.mov
  • javagoza
    javagoza over 1 year ago in reply to jc2048 +5
    jc2048 A quick adaptation of your script. Works! Thanks for sharing! from smbus2 import SMBus LCD_CLEARDISPLAY = 0x01 LCD_FUNCTIONSET_4LINE_5x8DOTS_BITMODE = 0x38 LCD_DISPLAYCONTROL_ON = 0x0C LCD_ENTRYMODESET_LEFT…
  • Anthocyanina
    Anthocyanina over 1 year ago in reply to shabaz +4
    update time! when i soldered the board to the LCD, which also served as an I2C breakout board, the flux residue was so hard to clean, i couldn't get it all out. I decided to remove that board, which i…
Parents
  • javagoza
    javagoza over 1 year ago

    I haven't received the kit yet. How are you connecting the LCD. Are you using external pull-ups resistors? Can you get the actual I2C address using a I2C scanner?

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  • Anthocyanina
    Anthocyanina over 1 year ago in reply to javagoza

    I just opened the box, haven't connected anything yet, I've been working on the software side for the past few days waiting for the kit to arrive, and it just got here last night before i went to bed. I'll be trying the LCD in the next few days as i'm also busy with uni today and tomorrow

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  • javagoza
    javagoza over 1 year ago in reply to Anthocyanina

    Well! I haven't tried it, but this library looks promising if you're going to program in Python.

    charlcd · PyPI

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  • javagoza
    javagoza over 1 year ago in reply to Anthocyanina

    Well! I haven't tried it, but this library looks promising if you're going to program in Python.

    charlcd · PyPI

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  • javagoza
    javagoza over 1 year ago in reply to javagoza

    I’ve tried this library with an Arduino mega and it works fine

    https://github.com/JeffVi/Arduino-I2C-RW1063-0B-002

    image
    The Python charlcd doesn’t work for me without modifying. So I think I will try to adapt this to rpi next week

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