Raspberry Pi Stack Exchange
Raspberry Pi Stack Exchange

Questions tagged [lcd]

Liquid Crystal Display. For questions regarding connection and control of small LCD displays.

134 questions
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SPI access via C# .NET Core console app

I do not have much experience with C# or Linux/Raspbian so would like some advice/guidance please. Basically I need to write a C# .NET Core console app which will run on a Raspberry Pi Compute 3 module (running Raspbian) allowing text to be written…
fox333
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Rpi3B/Rpi4B ILI9341 / XPT2046 SPI 2.8" Touch TFT LCD Connection / Driver Problem

It is possible to connect this LCD TFT screen to the raspberry 3 model B please ? I don't understand the schematic for SPI connection. Any help is welcome thank you. I have follow this answer but it does not help me. Probably this library can help…
Ephemeral
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SPI vs 8-bit TFT

I read that 8-bit is faster than SPI, how much faster is 8-bit than SPI? Say, if I wanted to run a video loop of a wheel spinning, would the speed difference between SPI and 8-bit mode be obvious?
Kato
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Upside down screen on Pi with Kumantech 3.5"

On a pi B with raspbian-stretch, I have tried every tip I could find to get the touch screen to rotate 180 degrees: commands in config.txt, new drivers, using ./LCD-show 180, and more. Nothing works except modifying the config command to…
Andy F
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Kuman 7 inch LCD touchscreen compatible with Raspberry Pi Zero?

Does anyone know if this Kuman 7" TFT LCD Capacitive Touch Screen is compatible with the Raspberry Pi Zero? On the website it says Raspberry Pi 3 2 Model B, RPi 1 B+ A but why wouldn't it work with the Zero?
OpenUserX03
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rPi3 I2C-LCD, do i need a logic level converter?

I have an I2C adapter for my LCD display i used with my Arduino. Both are 5V logic, and i know that the pi GPIO are 3.3 V. If i only need to "write" to the LCD, do i absolutely need a Logic level converter ?
Wadaane
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Need Help with Controlling Some LEDs with a Raspberry Pi

I'm mainly trying to follow this guide here in order to connect some LEDs to a Raspberry Pi. I've read other guides as well, but this link is where I got the majority of my setup done. I've never used a Pi, have never worked with LEDs, and have…
user2323030
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Adjust display brightness to ambient light

Warning: I'm completely new to Raspberry Pi, and not even sure if it's the right solution here. I'm trying to make a better digital picture frame. Got almost all the way there by just buying a nice flat-bezel 4k display, connecting a Chromecast, and…
BulletCatcher
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Raspberry pi 3 - black screen when connected to touch screen 5 inchLCD

I am trying to set display of raspberry pi model B+ to 5 inch touch screen. I have mounted SD card and changed config.txt file in /boot/config/firmware folder and added following…
user1584253
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HELP, undo code that was for another touch LCD screen. Now it won't boot all the way

How can I undo the sudo code that was run with the wrong type of LCD "...-show" The system boots to a certain point and then just does not continue. Ive tried mounting the micro sd and see if I can change to the designated screen, but can't find…
user103985
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Is it possible to connect a Nintendo DS screen to a Raspberry Pi?

Is it possible to connect a Nintendo DS screen to a Raspberry Pi without the touch capability, or should I just buy another TFT?
BADyoyo2
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Earliest place in boot for output to I2C LCD (not HDMI)

We're using an embedded Raspberry Pi that uses a (I2C) 4x20 LCD (character) instead of HDMI. Since the boot process can take some time I'd like to get something on the LCD as soon as possible to say we're alive. The existing code I have is C++…
DaveEP
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Raspberry pi3 TFT screen setup

EDIT: This is the the screen I bought This is my first post here so I hope I do not screw up too much... I have a raspberry pi3 with 3.5inch tft resistive touchscreen display (720x480) connected via SPI (GPIO pins). I would like to use it for a…
Luk164
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Change back from LCD driver

I've successfully installed this 3.5" LCD display, which uses this LCD driver: https://github.com/goodtft/LCD-show. My problem is, that when I use VNC to remotely access the PI, (I assume) because of the LCD driver the resolution is too small and I…
Razero
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PI4J + Adafruit LCD with MCP23017

Got this device. Python example char_lcd_plate.py is working perfect. But I would like to manage it with Pi4J. I copied bits from python example LCD_PLATE_RS = 15 LCD_PLATE_RW = 14 LCD_PLATE_EN = 13 LCD_PLATE_D4 …
Alex
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