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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Connecting Touch Screen without using USB on RPi 4 B

So, I have this touchscreen: https://www.aliexpress.com/item/1005001870058398.html?spm=a2g0o.productlist.0.0.52c35025lAnly5&algo_pvid=a74e8e1d-3165-4894-8719-f28c0d79035f&algo_exp_id=a74e8e1d-...
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16 views

Touchscreen application for Raspberry3B

I am looking to create a touchscreen application on Raspberry 3B or Raspberry 3B+. My concern is can we create it using PyQt5 and using buster as OS, and how can we use on screen keyboard just like ...
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2answers
67 views

Are there good actively maintained linux based OS that have great touch support especially for Raspberry Pi 4?

I have been working with the official Raspberry Pi touch display and I must say that it is not as sensitive, responsive or fluid as I expected. After researching about it on R-Pi forums I realized ...
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23 views

Raspberry Pi Official 7” Monitors not working

I am having trouble getting 2 Raspberry Pi Official 7” TouchScreens to work. I have tried them each on 2 different Raspberry Pi 4s with multiple Ribbon Cables making sure they are in the correct ...
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27 views

Automatically pop-up on-screen keyboard at login and desktop applications text fields Raspberry Pi 4

I'm using Raspberry Pi 4 with Raspbian OS. How to automatically pop up an on-screen keyboard at login and desktop applications text fields like on an android? I have tried this method but it didn't ...
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83 views

PI 4 Touchscreen unresponsive after first boot

this is my first post here. I recently got a Raspberry pi 4 B 2018, 64bits & 8GB ram. With this I have a touchscreen that I plugged in the "DISPLAY" ribbon cable socket. So far so good. ...
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34 views

Raspberry Pi 4 Touchscreen Not turning on

So, I recently decided to upgrade an old project from a raspberry 3 to a 4. This raspberry Pi is powered over Ethernet and needs a touchscreen attached to it. After I connected the PoE hat and the ...
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33 views

Driver corrupts OS

I've been working on a PI project, I am using Waveshare 7" touchscreen, now I need to download driver to enable touchscreen, I tried downloading it from their website: https://www.waveshare.com/...
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25 views

How do I turn touchscreen on and off while pi is running?

I have this touchscreen: http://www.lcdwiki.com/3.5inch_RPi_Display How do I turn the touchscreen on and off when I want? All the guides I read were about turning an HDMI screen off (I can already do ...
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49 views

Scope and challenges to connecting small but zoom-able touch-sensitive display to Pi 4 HDMI output for setup and focus?

note: Not a shopping question, I'm trying to find out if 1) this is possible and 2) what the scope of the challenge to setting this up is, before I go out and buy a screen or the wrong screen. I have ...
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Raspberry pi waveshare7 inch touchscreem lineage os

I'm recently using raspberry pi with lineage installed on it . When i connect to tv as monitor every thing is perfect. But when I'm using wave_Share 7 inch touchscreen. Connection to internet failed. ...
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23 views

Problems with Raspberry and touchscreen

I'm working on a Raspberry Pi project and I need to use touchcreen, I got 7" Waveshare touchscreen, I plugged it in my Raspberry Pi (via GPIO pins) and touch didn't work... I went on their ...
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58 views

FM Receiver with raspberry pi

I was wondering if there was any way to make a software-only radio that will use all the components included in a raspberry pi 3B+. I've been doing some research and all of the FM models that I found ...
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1answer
328 views

How to control raspberry pi 4 GPIO pins by running android application in the rpi and in mobile?

I am trying to build a project based on IoT. My goal is to trigger relays connected to GPIO pins in rpi4 by using an android application running in rpi4 itself which can be accessed with an official ...
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23 views

touch 7" rpi display does not wake up when in console after rpi display goes blank

I am running Pihole+PADD on my Rpi with Raspberry 7 inch touch display on a continous basis. For power and screen save reason I have activated blank screen after 300 seconds through raspi-config, ...
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11 views

Openbox chromium browser Companion emulator

Do you have a solution to select a window part of a web page and take that on full screen with OpenBox chromium browser? You can look on photos why.
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116 views

QT Creator - Raspberry Pi - 3.5" TFT - Could not initialize egl display

Please forgive my ignorance but I'm new to Raspberry Pi/Linux. I'm trying to make a touch screen app for the Pi using a 3.5" touch screen (xpt2046) and QT Creator (5.12.5). QT Creator is running ...
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37 views

Kiosk-mode with CLI

I am writing a command-line application using NCurses and I have a Raspberry Pi with a Kano "Make Your Own Tablet" kit which is essentially a touchscreen with some accessories attached. I ...
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23 views

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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31 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
35 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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1answer
571 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
66 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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32 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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19 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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186 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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66 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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120 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
130 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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1answer
29 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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142 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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1k 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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1answer
36 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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0answers
74 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
115 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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1answer
122 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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1answer
264 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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1answer
410 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
2k 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
47 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
120 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
129 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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1answer
105 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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0answers
849 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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2answers
208 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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0answers
102 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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1answer
120 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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0answers
84 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 ...
2
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0answers
157 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
130 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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