Questions tagged [lcd]

LCD is an abbreviation for Liquid Crystal Display.

LCD is an abbreviation for Liquid Crystal Display. Liquid crystal is one of several technologies used in monitors today.

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Replacement LCD EDID

Laptop had B154EW08-V0 display which broke and was replaced with LTN154P1-L02. Now image flooded by white or black vertical pixel-wide alternate stripes. Old and new LCD EDID was dumped. Writing old EDID to new LCD leads to splitting screen in 2/3…
Alex
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how to select row and column in LCD display

I want to display letter on specific row and column in 16x2 LCD display with 8051 MCU. For Example: Display "R" at 2nd column in first row Display "W" at 3rd column in second row I use these routines for the LCD: #include /* Data pins…
ABH786
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How do I program an LCD to only use custom fonts?

I am working on a project where I need to use custom font only. I already defined all the Latin alphabets as byte arrays, so that I can simply copy the array value to the variable that's to be written. Below is a snippet of my code. void menuInit()…
HumbleBumble
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What does this line mean in verilog?

From http://www.johnloomis.org/digitallab/lcdlab/lcdlab3/lcdlab3.qdoc.html How can I change DATA_BUS so that it is not using inout. // BIDIRECTIONAL TRI STATE LCD DATA BUS assign DATA_BUS = (LCD_RW_INT? 8'bZZZZZZZZ: DATA_BUS_VALUE)
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Sending string to LCD function, how does it work?

Could anyone explain to me what this function is doing? I understand it is used to display text on an LCD but I do not exactly understand how it works. I want to send a volatile integer to the LCD and would like to understand how this function works…
LoneCoder
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LCD 4 bits mode

I have read in this website: http://www.engineersgarage.com/embedded/avr-microcontroller-projects/interface-lcd-4bit-mode-circuit that when I need to send a command in 4 bits I have first to send a function set command which states 4 bits mode 2…
user3674628
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Building dynamic variables for menus in Python

I'm using an excellent menu structure function from Github which is powering a small LCD. The menus contain top (parent) elements and sub elements, and I want to build the sub-elements dynamically. Currently they're static and work like this: top5 =…
Will
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how to display bold character in lcd

I'm working on project which needs to display some string on lcd. I created 2d-array having hex values corresponding to each characters which is working fine. But I am unable to figure outhow to display some character in BOLD. char pixel[10][5] = {…
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Arduino C Code not working

// include the library code: #include const int rs = 13, en = 12, d4 = 5, d5 = 4, d6 = 3, d7 = 2; LiquidCrystal lcd(rs, en, d4, d5, d6, d7); void setup() { // set up the LCD's number of columns and rows: lcd.begin(16,…
katila
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interfacing pic with lcd screen

Hello I'm trying to figure out a way to connect my pic16f1823 to a lcd screen, but the problem with my lcd screen there are no data lines so no D1,D2,D3,D4,D5,D6,D7 and no E,RS,R/W. All I have one the lcd is LED+, LED-, RST,SCL,SDA and the normal…
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Library for ILI9806E driver

I have recently bought IPS LCD module with ILI9806E driver. And I want to use this screen with STM32f44re microcontroller. Can anyone provide me with code written for this driver? I will be glad to see any implementation for any mode (SPI/DPI). I…
Roman Liuts
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real time clock using pic16lf1902/03

I'm finding difficult in implementing real time clock for pic16lf1902, wherein their are no serial protocols for communicating/interfacing with builtin LCD drive. Is their a convenient way to solve the problem? For example using I2C software…
user1890
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LUA shows errors where there are not

I have managed to "translate" an entire code written in C to LUA, the source code permits to drive an 5110/3110 LCD and I have tried not to modify the code, but the port names, because I will run it on a router and use the LED as GPIO…
Fusseldieb
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ILI9340/41 cheap 2.4" LCD display SPI - can't read from the controller

In one of my projects I use the cheap 2.4" 320x240 TFT display with a ILI9340/41 controller. It works quite good, taking into consideration the price, and I do not have any problems when I display something. But I can’t read anything. I think that…
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What kind of array is this in C++?

I notice that this is a C++ array, but I do not know what it is storing and how. I used an Arduino Image Converter. I forgot the source, but I remember that it was to convert images to be displayed on Arduino TFT screens. Could someone give me a…
Rajon Ali
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