Questions tagged [touchscreen]

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

159 questions with no upvoted or accepted answers
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4
votes
0answers
921 views

FT5406 touchscreen sends events but input does not work

I have a Raspi 3B with the official 7" touchscreen attached. The screen works (showed the under-voltage sign when attaching only the screen controller to a 2.1 A power supply, so I'm connecting ...
3
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0answers
1k views

On-screen keyboard with app integration

I'm aware of matchbox-keyboard, but I'm looking for a more Android or iOS kind of keyboard solution. When selecting a text input, of type alpha or numeric, I would like the appropriate keyboard, text ...
3
votes
1answer
428 views

Conflicting dtoverlays and framebuffer

I have a RPi3 with latest standard kernel. I am making use of spi1. In config.txt I have the line: dtoverlay=spi1-3cs. I have 2 ADC's connected to spi1 and all seems fine, using an HDMI screen to ...
3
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0answers
822 views

Problem configuring touchscreen for Raspberry Pi

I want to use this 3.5" adafruit touchscreen, so I followed this tutorial I ran the following commands from the link : curl -SLs https://apt.adafruit.com/add | sudo bash sudo apt-get install ...
3
votes
0answers
739 views

Touchscreen support

I just got a new 10" screen with capacative touch from chalk-elec and it has been working fine. The only problem I have is when I try to use the touchscreen it creates ghost touches and jumps and ...
3
votes
2answers
909 views

Touch Screen Interactive setup

Just starting out as a pi developer and I was looking for any advice anyone might have for getting an touchscreen to work with Raspbian? I need to be really restrictive on what a user can do on this ...
2
votes
0answers
867 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 ...
2
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0answers
68 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 ...
2
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0answers
39 views

power problem with pi4 and 7" touchscreen

I have a Pi4 that I have connected to a 7" touchscreen. The touchscreen is powered by a microUSB cable, the Pi4 is then powered through the GPIO, per the instructions. I keep getting the low power ...
2
votes
0answers
131 views

Samsung Flip + Raspberry Pi 3

I have started to work with a brand new Samsung Flip digital paperboard (WM55H). This device works well with my laptop (WIN10) but i would like to have another PC connected to the screen in any ...
2
votes
0answers
215 views

Raspberry pi 3b+; buster touch events

I am a beginner with the raspberry pi and trying to get my hands dirty on RPi 3b+, OS- Buster, 7 inch HDMI- touch screen. I am trying to build simple gui with one button and one label to display a ...
2
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0answers
83 views

Touchscreen calibration: touchscreen does not cover full display

I have purchased an industrial touchscreen monitor that supports Linux through PenMount drivers. The VGA video output (via HDMI adapter) works perfectly, and the USB touchscreen is perfectly ...
2
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0answers
132 views

Large title bar buttons?

On the latest release of Raspbian, there's a new feature that allows you to change the UI settings to make it suitable for Large, Medium and Small displays. The setting for Large displays (among other ...
2
votes
0answers
905 views

Better mouse controls with touch screen?

I'm using the raspberry pi official 7" touch screen (The one supplied with this http://a.co/gOTsWDC I don't know which model that is) and a raspberry pi 3 model B. I've noticed two major problems, ...
2
votes
0answers
8k views

Raspberry Pi 3 doesn't detect USB touchscreen

I've been trying to get a touchscreen monitor to work with my Raspberry Pi 3. The monitor is 15", externally powered, and is to be connected via HDMI and USB for the touchscreen interface. The HDMI ...
2
votes
1answer
119 views

Is it possible to disable the Touchscreen backlight rate limit?

Is it possible to disable the Touchscreen backlight rate limit? I am developing an embedded application, and would like to fade the backlight smoothly on and off. But the rate limit of no more than ...
2
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0answers
569 views

Touch functionality behaves differently with different screens

Edit: there is an update on the bottom. I managed to resolve one issue but the behavior changed to be more consistent, even though it still doesn't work properly. Problem: I am creating a kiosk to ...
2
votes
0answers
345 views

javafx 7" touchscreen blanking

I recently bought a Raspberry Pi 3 and the official 7" touchscreen. The goal is to run a JavaFX application that serves as a central point to control home automation services. While everything seems ...
2
votes
0answers
570 views

Brightness control or toggle of backlight on ads7846 TFT touchscreen?

I have a 3.5" ads7846 based touchscreen for my Pi from Waveshare. Is it possible to toggle the backlight and/or change the brightness?
2
votes
1answer
2k views

Kodi on a GPIO screen

I recently bought a 3.5 inch TFT touchscreen connected by GPIO to my raspberry. I finally managed to make it work with Raspbian. however, when I launch KODI, the image on the TFT freezes and KODI ...
2
votes
0answers
1k views

Raspberry Pi Zero and Waveshare 4 inch IPS screen

I've tried to install this screen, used the image on the supplied CD, and the little light just flashes 8 times, so I go back to NOOBS, reinstall, then download the driver they supply from their site, ...
2
votes
0answers
3k views

How to setup resistive LCD touchscreen over SPI

I've been following a guide for setting up an LCD touchscreen, without success. When the screen is plugged into the GPIO pins it just shows a white screen. After all my attempts it remains white. ...
2
votes
0answers
2k views

proper installation of 5inch lcd on raspberry pi B+ running PWNPi

I received this morning my new 5 inch LCD for my Raspberry B+, I have got a PwnPI 3.0 version. The LCD displays with a big black gap on the right side when connected for the first time. I figured it'...
2
votes
0answers
3k views

Getting touchscreen to work in raspbian / kodi

I got a HANNS-G HT231HPB touchscreen which I want to get fully working on raspbian and kodi. It seems to work in the normal lxde on raspbian, but when I start kodi I get no touch events. Can someone ...
2
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0answers
136 views

touch screen for the pi

I am trying to set up a touch screen for the pi. I am looking for a 20 in. or so touch screen. I will be mounting this in the kitchen and the 10 in. one is a little to small. Can I use any USB ...
2
votes
0answers
2k views

eGalax Touchscreen support, without kernel recompile, raspbian OS

I have been using a custom compiled raspbian OS, with eGalax touchscreen support. The problem is every time there's some upgrade or a major version change in the OS or firmware, I have to recompile ...
2
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0answers
3k views

Getting a Mimo Monitor working with Raspberry Pi

This isn't a question, as I have finally figured out how to get this all to work. I've had to break the links because I don't have enough reputation. sigh. Instructions to use Mimo Monitors UM-710 (...
2
votes
1answer
509 views

Artillery [ ILI9341 ] 3.2" LCD Touch Screen White Display and Driver Problem

I bought this Artillery 3.2 Inch LCD Touch Screen Display Monitor: https://www.aliexpress.com/item/32553185633.html?spm=a2g0s.9042311.0.0.27424c4dFky0Ok But it only shows a white screen, so I ...
1
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0answers
45 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 ...
1
vote
0answers
20 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, ...
1
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0answers
69 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 ...
1
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0answers
696 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 ...
1
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0answers
53 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 ...
1
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0answers
55 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 ...
1
vote
0answers
123 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 ...
1
vote
0answers
113 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 ...
1
vote
1answer
199 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) ...
1
vote
1answer
120 views

Pi4B/Raspbian Buster: Dual screens no longer working after enabling touch

I have a shiny new Pi4B with a 4" touchscreen case (one of those XPT2046 ones). I also bought a portable 13" screen. The idea is to have a super-compact mini-computer on the go, and to be able to use ...
1
vote
1answer
342 views

JavaFX application does not accept touch inputs

I am trying to run a javaFX application on a raspberry pi 3b+ with a 7" 1024x600 touchscreen by Lebula. When I plug a mouse in, the application works as normal, but, when I try to use the touchscreen, ...
1
vote
0answers
179 views

Unable to run JavaFX application on Raspberry Pi 4B

I have developed one JavaFX touchscreen application with screen size 800x480 which runs fine on RPi 3 with the Raspberry Pi 7" Touchscreen Display in the default resolution (800x480). Now I am trying ...
1
vote
0answers
17 views

Vertical Match Box keyboard for Pi

I am looking for a vertical virtual keyboard utility for the Pi. I have a 5" touch screen display that is oriented vertically. I needs to show a keyboard on the display. What I really want is ...
1
vote
0answers
84 views

How to manually connect the 10.1" touch screen 4 pin FFC to raspberry pi 3?

I have this touch screen and I have a universal lcd controller board. However, the controller board doesn't come with a 4 pin touch input. From connecting a 7" raspberry pi screen, is it correct to ...
1
vote
0answers
647 views

Raspberry Pi Touchscreen Screen Control (Python)

I want to create a script that will turn off my Raspberry Pi Touchscreen if nobody touched the screen in 30 seconds. (In the future I want the option to reset this 30 second timer with other programs -...
1
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0answers
96 views

touch screen issue lsinput - 3b+ XPT2046 5"

screen works fine. I've tried the many different suggestions online and they all only solve part of the problem then cause further issues. I've got to the point now where it's just the touch that ...
1
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0answers
34 views

varying responsiveness of official raspberry pi 7 inch touchscreen

I bought 2 official Raspberry Pi 7 inch Touchscreens and 2 Raspberry Pi +3B devices. I connected everything and the screens are working, most of the time. But about 1 out of 10 clicks/touches on the ...
1
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0answers
279 views

Use VNC to get right-click on touchscreen

I found that when I use a Windows VNC client to connect to my Pi, it has a very nice emulation of right click, middle click, etc. The functionality I cannot get from my normal touchscreen setup: Pi ...
1
vote
0answers
913 views

How to configure duplicate screen on a Pi?

I have a Raspberry Pi 2 connected with a TouchScreen. I also connect another external display via HDMI. Goal I've been trying to make my external display show as duplicate mirror the one on the touch ...
1
vote
0answers
89 views

Waveshare 7'' LCD conflicts with WIFI (hostapd)

I have bought a Waveshare 7'' LCD (C) (https://www.waveshare.com/7inch-HDMI-LCD-C.htm) and it seems to work correctly on Raspberry PI 3B+ following the instructions on the site (it doesn't require ...
1
vote
0answers
57 views

RPI File Browser for Touchscreen

I'm building a Webinterface for the RPi with a 7" Touchscreen. I'm running Raspbian Lite with xorg and chromium-browser. If I now wanna upload a file to the webinterface (by a html input), then there ...
1
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0answers
84 views

Relay for controlling backlight of touchscreen not reacting after a while

I connected my rpi3 to a 10" touchscreen. I connected the backlight of the touchscreen to a relay which I'm controlling via the GPIO pins. This is working fine for the first couple of minutes. But ...