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.
Questions tagged [lcd]
577 questions
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Strange issue writing to SerialPort (C#)... Works after running another program
I'm trying to write to an LCD Display using System.IO.Ports in C#, with the SerialPort class.
Firstly, it works! My program does write to it successfully and it displays fine... but only after I've run a prior commerical program (LCDC).
If I run by…
Duncan Tait
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1 answer
Arduino scroll on sparkfun 2x16 LCD
When I want to display something that is greater then 32 characters. I want the LCD to scroll, I have already tried command flag 0x10 can someone point me to the right direction.
Semaj
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Verilog: Pass a vector as a port to a module
I have two modules
counter: Output is a vector called error_count.
lcd: Module to display the code on an LCD. Input includes clock and error_count.
Following snippet of the code is most relevant and attached below:
Top level module:
counter…
Neel Mehta
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1 answer
PIC 18f4685 and Hitatchi 44780 LCD
Anybody have some sure to work 4-bit interface C code for a PIC 18f4685 to Hitachi LCD 2-line display? I'm using a Northmicro proto board with a LCD module which is Hitachi 44780 compatible.
Lower nibble on PORTB to D4-7;…
Chef Flambe
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How to program an Arduino with I2C for a liquid crystal LCD screen?
I am trying to get text characters to come up on my liquid crystal LCD screen. It's a 16x2 screen. It only uses four pins... GND, 5 V, SCL, and SDA pins. I'm not sure how to program it since all I'm finding online is how to program it if my screen…
Eduardo
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1 answer
arm, Programming PL111 controller and printing characters on the LCD
I am trying to write a bare metal code to program PL111 LCD controller. I am using QEMU emulator set up for Realview ARM Cortex-A8. I earlier managed to print characters on the linux terminal window using QEMU's "-serial stdio" option.
I have gone…
san216
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1 answer
I2C doesn't work on MicroPython with RPi Pico?
i was following the Getting Started with MicroPython on Raspberry Pi Pico book and i am stuck at page 120, the example code did not work for some reason.
I am coding in VS Code, but just in case i tried running it in Thonny, still without any…
bcseh202
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2 answers
Displaying a single numeric digit as a string
I am writing to an LCD and have developed the drivers to accept a string input for the value. I have a variable called "cycles" that is a uint16. I need to convert that value to a string and write it to the display. My string write function…
Benjamin Shover
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How to write text through keyboard onto LCD screen and then remember the text for comparison
I am having trouble with a 16x2 I2C LCD screen using a 4x3 keyboard.
The following are the steps I need to do:
1.Take a numeric value through the keyboard onto the top line of the screen. This numeric value should not exceed 3 digits.
2. The…
Lord Voldemort
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1 answer
I want to attach oled 1.3" to nodemcu esp32s
I want to attach oled 1.3" SH1106 to nodemcu esp32s I used this library (https://github.com/wonho-maker/Adafruit_SH1106) but it says "adafruit_sh1106.cpp:29:26: fatal error: avr/pgmspace.h: no such file or directory". I tried to use another library…
SaeedAfshari
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1 answer
Nodemcu 8266 has not display text on LCD
I am using nodemcu esp8266 with LCD for the first time and I'm unable to make it work. It lights the background but it does not show any text.
LCD Address: 0x27
sda: d4
sdl: d3
vnn: vin
gnd: gnd
Code:
#include
#include…
-1
votes
1 answer
Arduino MEGA, LCD and SSR is frozen after 24 hours
I'm going to tell you my problem with arduino.
I am making an access rfdi system to enable a water pump, the procedure is as follows: I bring the rfid keyring closer to the reader, I make a sql query to the server and if it returns the data, I…
Agu
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2 answers
is there any way to run two loops?
I can't do the blinking text while having scrolling text at the second row of the i2c lcd in arduino.
I tried creating and naming two loops but it is doing one task then another.
void loop(){
blinkingloop();
scrollingloop();
}
void…
Bonn
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1 answer
0.96 Inch LCD Display documentation
I have a brand new screen bought from Amazon
that has not came with any sort of documentation, how do I go about finding it?
AbleTheAbove
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1 answer
LCD clears itself when potentiometer is too low
I'm making a project that requires an lcd, and the project was working fine on my breadboard for testing. I moved it to my final product, but now my lcd stops displaying text after a few minutes, or when the potetiometer value is too low. One thing…
Comyar D
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