Questions tagged [touchscreen]

Use this tag for questions about touchscreen compatibility, and how to use compatible touchscreens with the Raspberry Pi.

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6 views

Universal App to Show Touches?

I am making a kiosk for kids and I need an app or script that would respond to touches on the screen (flash an icon such as "pow" or "ding!") as an overlay on top of whatever media ...
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10 views

Multimedia player with touch screen and full HD screen

Background: I am in the Royal Navy and have been tasked by my Shipmates to produce a multimedia player with touch screen input for the large TV we have in the mess. This job has been given to me as I ...
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Official Raspberry Pi Touchscreen display - Touch not working on the right of the display

I recently changed from HDMI display to official PI display. Although I was using this initially with keyboard and mouse, later I see the need for using touch. What I found was the touch was not ...
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13 views

How to full screen the app window in Rpi 7in TFT

I'm currently working on an app for rpi using kivy that will be displayed in a 7in TFT. I used the 7in TFT resolution as window size (800,480) I am developing the code in windows pc since coding it in ...
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1answer
24 views

Backlight control with 2.4 Inch display

I have 2.4 Inch display attached to a Raspberry Pi 3B+, it totally works, but I've noticed that when raspbian turn off the display, the backlight led is still on. There is a way to control the ...
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37 views

Set custom screen blanking time

I have a Raspberry Pi 4 with the official 7" touchscreen with the latest Raspberry Pi OS installed. In the GUI, I've turned on Screen Blanking. It does exactly what I want -- the screen's ...
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1answer
29 views

Most compatible/supported I2C based touchscreen to emulate?

Without going into boring details, I need to get a touchscreen input into a Raspberry Pi which will be "faked" by a microcontroller - so the micro is reading some input and translating it to ...
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28 views

Howto setup a touchscreen as pure display?

I have a Raspberry 3B that I am using with VNC. Now I want to use the 3.5inch RPi Display as a pure output device to display graphics, not for displaying the desktop on it, just using it as a ...
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16 views

Raspberry pi 2B is stuck on rainbow screen and the 7" official screen is white

My Raspberry pi 2B works perfectly fine when it is connected to my TV via HDMI. But when I connect it to the touchscreen at the same time, the touchscreen is just a white screen and on the HDMI, it is ...
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63 views

How can I rotate my screen with OctoDash installed?

I want to rotate the touchscreen on my Pi4 with Octoprint and OctoDash installed on to. I've opend the file /boot/config.txt and added the line "display_rotate=2", but nothing happend (yes I ...
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46 views

Touchscreen on Zero W without X?

I'm designing a Raspberry Pi Zero W project with a touchscreen. I want to use this screen. Would there be a way to use the touchscreen on that without having X? I'll be using /dex/fbX for the display.
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54 views

Touch screen double click area

I got rpi connected to two touch displays. My problem is if I try double click on touch I almost never touch the exactly the same spot two times (sometimes with nail) so the display registers it as ...
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1answer
87 views

Official Raspberry Pi 7" Touchscreen Display not working

I have bought an "Official Raspberry Pi 7" Touchscreen Display" and a raspberry pi, i have flashed the sd card with Kali Linux, but when i turn the pi on, there is nothing, but a white ...
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26 views

Twin touchscreens on Pi 3/4

I'm looking at a project where I will need to drive two separate displays from a Pi, both of which are touchscreen - specifically GT911 type on a separate I2C connection. This will almost certainly be ...
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56 views

config.txt conditional filter for 7" touch display?

I just bought a brand new Pi4 and official 7" touchscreen display along with case. I also have another existing Pi with HDMI monitor. I'm running a custom image based on Raspbian Lite plus ...
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481 views

RP 4 connecting to Asus ZenScreen monitor issue

I'm very new to RP and I recently bought a new RP 4 and wanted to use a portable touchscreen monitor with it, but I wanted something bigger than the 7-10" ones I saw. I went for this one after a ...
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30 views

How to physically turn the a Raspberry Touch display on and off?

I use a Raspberry Pi Touch Display that I connect like shown in the following picture to my Raspberry. The black and red wires are connected to thee GND and 5v pins respectively. Now I want to ...
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43 views

Difficulty executing command when raspberry pi loads

I have a raspberry pi 4B attached to a 7" raspberry pi touchscreen via the provided ribbon cable. In my application, I have my touchscreen rotated 90° by using display_rotate which is working ...
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1answer
51 views

Real touch inputs

I'm developing a touch first website which I plan to display on a raspberry pi using a touchscreen. When I tested the website on the pi (raspberry pi os) using a waveshare touchscreen, the website ...
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17 views

pi4 + Official Touch Screen+ old installation

I have a Pi4B+ and have already installed a 3.5" display from Joy-IT. There I needed to configure manually the boot/config.txt as well as some of the Xorg parameters. Since the display remains ...
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34 views

Raspberry Pi integrating into existing touch screen

I have a car headunit which is touch screen and it has RCA AV input option. I've connected a raspberry pi using a HDMI to RCA convertor. The raspberry pi shows up on the screen. I want to run OpenAuto ...
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1answer
70 views

How to deal with VNC login issues and error

I'm doing a project with a Pi 4B, the official touchscreen and the latest version of Raspberry Pi OS. I would like to connect to the Pi via VNC (RealVNC Viewer on Windows 10) at a higher resolution ...
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139 views

How does the Kedei 3.5" 800*480 SPI touch screen version 1.1 work with a Pi 4?

I am trying to set up a Kedei Raspberry Pi Display version 1.1 2017/10/10 Type 3590 (horizontal 800*480px) with my Pi 4. Unfortunately, I didn't manage to get the Touch Screen running on SPI. The HDMI ...
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240 views

Rotate HDMI Touchscreen on RPi3 (Balena OS)

I’m trying to use the raspberry pi 3 in kisok mode on a 27" hdmi/touchscreen display on portrait mode I’ve managed to rotate the display with the configuration ...
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1answer
528 views

Chromium and virtual keyboard with automatic popup

I want to run Chromium in full screen (kiosk) on Raspbian Stretch. I have a touch screen and I need a virtual keyboard to popup when I enter a text field. On Debian 9, I have gotten this to work ...
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1answer
38 views

Mirror imaging the Raspbian desktop for GPIO screens

How can I make the raspbian desktop look like I am viewing in front of a mirror? (basically backwards) I've already looked in the documentation for config.txt (here is a link) and tried to use rotate, ...
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1answer
57 views

Raspberry Pi screensaver/DMPS on/off to trigger shell script on change

I've got a touch screen without backlight control and and turning off the HDMI-output just brings up a "no signal" placeholder on the screen. I've soldered a octocoupler to the power toggle ...
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1answer
71 views

Pi Touchscreen Dim with Chromium kiosk — how can I switch on/off/dim through REACT or NODE.JS commands?

Auto switching touchscreen on/off is critical for our project with 9 RPi's in large home with 6 bedrooms, living, study, play room, etc. The app is React on Chromium kiosk mode, running Node.js ...
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339 views

RPI4 Ubuntu 20.04 touchscreen

I have a Raspberry Pi 4 with Ubuntu 20.04 installed attached to a 22" hannspree touchscreen that reports as a "Weida Hi-Tech CoolTouchR System" USB device to /proc/bus/input/devices ...
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53 views

Gestures not working on FT5336

I'm new to the CM3+ module, but I've worked extensively with other RPi products. I'm currently trying to implement my own FT5336 driver, but I'm having some slight problems, as the "Gesture" ...
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26 views

DTOverlay for Focaltech ft6336c touchscreen

I have a touchscreen which uses the ft6336c driver for the touch (the video is sorted via a DPI interface). I have found that there is a kernel driver, edt-ft5x06.ko but I can't find an overlay. Does ...
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428 views

Raspberry Pi 4 7inch HDMI touchscreen issues

I am using 7 inch HDMI touch screen with Raspberry Pi 4. I am having below issues: I have connected the HDMI cable to the touchscreen and connected the mini hdmi to hdmi0 of pi. I have also connected ...
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90 views

Raspberry pi Touchscreen CSI to HDMI extension

I need to connect my raspberry pi 7 inch touchscreen to my raspberry pi board from a distance of 5m, so I bought some CSI/HDMI extensions that seem to work great with a 1m cable, but when I try o ...
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27 views

xpt2046 LCD touch sreen doesn't work with xserver

I had installed the touchscreen on the gpio of my pi 0w and did worked like a charm. Then I decided to install Xserver, lightdm : sudo apt install raspberrypi-ui-mods After what the screen is grey ...
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33 views

Raspberry Pi white screen after several days what is the problem

I have a Raspberry Pi that is connected to a touchscreen via HDMI. After several days the screen becomes white and it does not work anymore. When you reboot the Pi it works again. The Pi is used to ...
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68 views

Screen locked after screensaver blank screen only

Using xscreensaver I'm trying to suspend/blank the screen (essentially turn it off to save power) without locking but I don't seem to be able to do this. I'm using the official 7" touchscreen. I have ...
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40 views

Is it possible to connect two touch screens to the Pi 4

So I know the Pi 4 will support dual monitors out of the box no problem. I am wondering if it will support dual touch screens as well. If so is there any particular issues or configuration needed to ...
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78 views

Kivy on Raspberry Pi returning double on_press events

I have an RPi and official touchscreen running Debian Buster and Kivy v1.11.1 using the simple example at https://kivy.org/doc/stable/api-kivy.event.html it is returning double touch events for ...
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1answer
56 views

How to have piTFT3.5 screen brightness 0 at boot

I have an Adafruit piTFT3.5 running on a pi zero running raspbian-light. For this specific project the screen brightness should be 0 until a python script tells it to turn on. Right now I achieved ...
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1answer
135 views

edt_ft5x06 touchscreen probe failed with code -121

I am trying to get ER-TFTM070_5 display with capacitive touch screen to work. I hae gotten as far as getting the screen it self to work. Now I am facing a challenge to get the touch screen digitiser ...
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34 views

The mouse buttons in the Onboard virtual keyboard prevent the touchscreen from working outside of the Onboard window

In Onboard, right after tapping one of the mouse buttons, the touchscreen no longer allows taps outside of the Onboard window. It doesn't allow me to right click anywhere. What could be causing this, ...
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83 views

How can I put the official 7" touchscreen in portrait mode?

I've been told to put lcd_rotate=1 in the config.txt but that doesn't do anything. lcd_rotate=2 correctly flips the screen 180 degrees. And display_lcd_rotate=1 rotates the screen how I want but the ...
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80 views

No Y axis on Raspbery Pi TFT touchscreen

I have a TFT 3.5" display (this one), and I can only get one axis to work - that is, touching the screen moves the mouse along the bottom of the screen on the X axis only, regardless of where I touch ...
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1answer
114 views

Wifi not connecting depending on power supply

I am using a RPI 3 B+ with a Touchscreen. It worked for almost a year but since 2 weeks the pi is no longer connecting to wifi. The adapter is there, I can even select my wifi, enter my password but ...
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79 views

Use old smartphone touchscreen for raspberry

I have some old smartphones around. Is it possible to disassemble a smartphone and use the touchscreen as touchscreen(input and output) for my raspberry? Is there something like adapters for different ...
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1answer
1k views

Is there a way to rotate the camera's image at the driver level, not processing graphics after capture?

I've mounted an Arducam 5 MP camera inside a SmartiPi 2 case with the official 7" touchscreen powered by a Pi 4. Unfortunately, when I take a picture or use it as a webcam, the camera appears to be ...
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967 views

Getting Right click on Waveshare touchscreen

I have fitted this Waveshare 10 inch LCD touchscreen to my Pi4B (buster). It all works fine but I can't find a way to achieve a Right Mouse Click. Is there a way to get a right click?
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71 views

How to use both I2C DAC and Screen with touch using SPI

I have a PCM5102A DAC HAT and a 5inch Waveshare touch screen with a RPI3B installed with Volumio. I have successfulled in stall Display Plugin-in with touch in Volumio to work with this 5inch screen, ...
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1answer
132 views

Running Pi4 and touchscreen off battery

I am building a portable RPI 4 and touchscreen and am hoping to be able to run it off a battery or external power, through one external port (ie, on outside of enclosure, one microusb port shows) ...
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1answer
65 views

How to use an lcd panel as keyboard?

I'm quite new to raspberry pi and custom Projects but I'd like to use an lcd touch panel like this (https://bit.ly/39HZpe4) as a keyboard for my raspberry pi 3 model b. I saw this in this video: ...

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