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lcd

  1. B

    LG 3D TV with picture failures

    Hi there. I have a 3D TV LG 42lw650s that one day stopped working. Attached images of what happens when turning on. The t_con board is not, since I changed it and the same thing keeps happening ... What could it be? Thanks in advance. Images:
  2. C

    New lcd driver for monitor suggestion

    Hola all! I want a new lcd driver for my monitor ViewSonic VX2457-mhd Old one is crashed. Which driver should I purchase for this?
  3. J

    Help looking for Perfect LCD??

    Hello, I have been searching the Internet for days now, hours wasted scrolling through alibaba and aliexpress with very little luck. I am looking for a 1 to 2.6 inch color lcd (doesn't matter if oled or tft or whatever) with a resolution of around 480x800 or similar with an aspect ratio of...
  4. Mark G. Cooper Sr.

    Need Guidance - Repairing Visio Model SV370XVT Flat Panel TV

    Greetings To All ! I am brand new to this forum and this is my first post. I have been struggling to find a resolution to an apparent common problem I am experiancing with a Visio Model SV370XVT flat panel TV. When the set is first powered on the display has a very narrow blue bar across...
  5. E

    LCD (2x16) showing only one line when data bits grounded

    I reciently faced a problem with a 2x16 LCD (4 bit mode). Only one line was displayed. The solution was disconnect the LCD's unnused data bits from ground, and let them float, disconnected from each others. Has anyone experienced this?? Now for some background... I breadboarded the full...
  6. B

    Adafruit OLED Driver Library Change Logo

    Hello I am hoping someone can help me as I am pulling my hair out trying to figure this out and have tried following the limited information I can find about this online but like a lot of the information the steps given are not always complete which makes trying to figure something out as a...
  7. Rich D.

    Controlling 2 LCDisplays with one Arduino...yes/no?

    I want to use one of the newer LCD character displays that has a generous 40 x 4 character screen. This is done using 2 controllers in effect, with two enable lines. Has anyone tried this with an arduino? I am not sure if you can define two separate LCD objects, and at the same time share the...
  8. jakeselectronics

    PIC ASM LCD. Check out my code.

    Hey everyone. It's know it's been done 1000's of times before, BUT, I'm interested to know if the way I'm doing it is a good way. So basically I'm driving a 4x16 LCD (44780 controlled) in 4-bit mode. I set aside 64 bytes of ram (in bank 1) to use as LCD Character place holders. Throughout the...
  9. N

    Display number in a register on an LCD

    I am currently working with PIC microcontroller 16F877A. I am only allowed to work in Assembly (nothing high level like C). I have a number saved in a register. I need to display it on the LCD. I was thinking of separating the digits, then sending the ASCII value of each digit. The only issue...
  10. polprog

    Making a thermocouple thermometer with AVRs

    Hi everybody, I recently started to make amateur EE videos. Can you tell me what do you think? Thanks, Chris
  11. C

    MCU voltage mis-match to LCD

    Hello, Regarding Renesas part number R5F100LEAFB#V0: I have its data lines and control lines tied to an LCD (operating at 5V). The R5F100LEAFB#V0 has EVDD at 3.3 V. Will the R5F100LEAFB#V0 be damaged due to the voltage mis-match to the LCD (3.3V vs. 5V)? Thanks, Calvin
  12. D

    ST7565R with STM32F3 discovery board

    Hi, I'm using ST7565R lcd with STM32F3 board but failed to initialize the lcd properly, I added the 1uf capacitors as per datasheet . I have observed 1.358V at the V0 pin and 1.359V at V1,V2,V3,V4 pins . And I have attached my code here, please help me someone to resolve my problem.
  13. B

    HundaTech 4.3" I2C TFT Display Please Help

    Hi I hava a HundaTech 4.3" I2C TFT Display (Link Below) and want to display value read from the analog pin of my arduino DUE. The communication config i using is I2C Has anyone successfully managed to get the display on the lcd...
  14. P

    Unknown LCD pin outs mapping related

    Hi guys, i'm doing a project with an unknown multiplexed LCD, i don't know any of its caracteristics besides its a 16x3 LCD with 33 pins, i'm trying to do the pins mapping but i'm not succeeding at this :/, i've tried several things like using the multimeter with the continuity mode to try to...
  15. G

    Read LCD display

    I am working on a project for school. Using a keypad I have set "1" key to display my name. When I press the "*" key, I want to read what's on the LCD and compare it to data stored on the PIC18f4520. Go to the next line and translate it to Japanese. The only problem I am having is getting the...

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