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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1answer
104 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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28 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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2answers
120 views

Reporting undervoltage, accidental reverse voltage

I've got a raspberry pi 3b+ mounted in my wall with the official 7″ touchscreen, and after some time i noticed the symbol in the top right corner notifying that it does not get the voltage it's ...
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19 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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1answer
215 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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1answer
127 views

DSI 7inch touchscreen does not work anymore

I have 2x 7inch touchscreens laying here. (Original raspberry touchscreens) I always had one connected to a raspberry. The other one was backup. After I connected the backup one to the raspberry, my ...
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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 ...
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0answers
22 views

Connect small touch-sensitive display to Pi 4 HDMI output to zoom-in on live PiCam camera output in order to carefully focus on some detail?

I have a RPi 4 + HQ PiCamera connected to a computer several meters away via ethernet. I can see live feed from the camera on the ethernet-connected PC in several ways: Configure as a webcam by ...
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2answers
159 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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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 ...
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2answers
323 views

Possible to Power RPi 3 & Touchscreen with Old Intercom Wires?

So this question could be a dumb one, as I have little to no experience with electricity. Anyways, here it is: My current project is using the RPi Official Touchscreen (7 inches), along with a RPi3 ...
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3answers
4k views

Using the DSI connector on RasPi Zero W

I'm search for compatible 4-6" touchscreens with the Raspberry Pi (Zero W, but I think it's the same for all of them) with capacitive digitizer. My questions are: Does DSI support the touch digitizer ...
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1answer
193 views

RPi3 with SainSmart 5" TFT touchscreen doesn't work

I bought a SainSmart 5" TFT with resistive touch to attach to my Raspberry Pi 3 Model B. The display works fine, though I had to set an HDMI_CVT parameter in /boot/config.txt in order to expand the ...
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0answers
19 views

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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1answer
847 views

How do I enable multi-touch on a UPERFECT 1024 x 600 7inch touchscreen

Running Raspbian on a Pi3B. Connected by HDMI and USB, the touch feature works, but only as if with a left click on a mouse. No mulitouch or long hold = right click. Device is specified as a 5-point ...
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0answers
18 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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1answer
218 views

Help getting the CTP (touch) part of my circular touchscreen connected and working

I purchased this circular touchscreen on Alibaba to use with a Raspberry Pi in my prototype. I told the manufacturer I was using a Pi and the screen does not connect to the Pi by default as it has a ...
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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, ...
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1answer
2k views

Stream Deck Using PI 2

I have a RPi2 1gb. I've recently got a touch screen for it and have decided that I actually should use it for what it was intended for. Programming! So my adventure starts here. I want to make a ...
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1answer
284 views

Connecting a servo to GPIO when using touch screen to GPIO socket

I bought a Raspberry pi 3, along with a touch screen that connects to the board, to all the GPIO pins. I wonder how can I use the GPIO port for additional functionality, e.g. connecting servo motors ...
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1answer
4k views

Touch functionality on 3.5" LCD Touchscreen not working

I have loaded the Raspbian image onto my LCD Touchscreen for the Rasp Pi. However, the touch facility does not work. The display is there but no touch. Can anyone help? I am using the Waveshare 3.5" ...
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1answer
555 views

How do I allow for multiple dtoverlays? (SX400 DAC and Tontec screen work alone, but not in conjunction)

I'm working on a particular musical project that requires both of these devices to be working, yet if both dtoverlay=mz61581 (the screen) and dtoverlay=iqaudio-dac-overlay (DAC) are uncommented in /...
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1answer
843 views

Raspberry Pi 3 Model B- 3M Touch Systems

I connected yesterday a Raspberry Pi 3 Model B at a 3M touch Systems touchscreen. For installing I followed this tutorial that I found here: Inverted GPIO Touchscreen (Using 99-calibration.conf) What ...
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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 ...
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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) ...
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1answer
653 views

How can I configures my raspbian to show console in it's display?

I have a touch display (KeDei 3.5 inch SPI TFTLCD version 3.0 20015/12/1) and a raspberry pi 2 model B v 1.1. I downloaded the last Raspbian Stretch Lite image (https://www.raspberrypi.org/...
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1answer
542 views

Raspberry Pi4 with Planar PCT2235 touch screen monitor

I'm fairly new to the raspberry pi world and I have a Planar PCT2235 22"touch screen that I would like to use with my raspberry pi4. The display works and the touch function sees the touch of my ...
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1answer
2k views

Issues with Kivy on Raspberry Pi 3 with 3.5 in Touchscreen

I followed every guide I could find on installing Kivy to Raspberry Pi. My touchscreen works totally fine. Trying to launch various Kivy demos will result in what seems to be a partial launch, but ...
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1answer
388 views

Mirroring output to element 14 7" touchscreen and hdmi

I would like to have the touchscreen and hdmi displays mirrored but I can't find any info or setting to mirror. Running Raspbian Buster and using an element 14 7" touchscreen. Edit: I got mirroring ...
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1answer
103 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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2answers
2k views

WaveShare 7-inch Touch Screen driver for PINN / NOOBS

I have a Raspberry Pi 3, with 3 systems installed on it (Raspbian, recalboxOS, Android) using PINN. I have done the installation with a monitor, all of the systems work fine, the screen can display ...
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1answer
857 views

PiTFT Touchscreen calibration is ignored by Pi Zero W

I'm using an Adafruit 2.4" Resistive PiTFT on my shiny new Raspberry Pi Zero W and I've finally managed to get the display configured but the touchscreen is proving a problem... (Please note that ...
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1answer
204 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
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 ...
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1answer
69 views

Pi4B: touch LCD+HDMI monitor, touch area issues

I have a Pi4B with a fresh install of Raspbian. I have a 4" touch LCD on HDMI0, and a 13" non-touch portable monitor on HDMI1, and I configured the workspaces so they don't overlap. I enabled touch ...
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1answer
1k views

how to get touchscreen coordinates

I'm using waveshare 5 inch HDMI touchscreen on my raspberry pi , I need a python code to determine the X,Y coordinates of touched point. Do you have any idea ?
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1answer
2k views

Steps for troubleshooting 7 inch touch display issues

My 7 inch HDMI touch ( HDMI display -B, 800 x 480) was perfectly working with pi 3 running Rasbian, but today it is showing very strange behavior. Screen flickers, and now it looks display would not ...
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2answers
5k views

How to know which file in /dev/input/event* represent for touch input device

I have a raspberry pi3 and one 7" official lcd and have code to get data from touch input, but when I plug a keyboard into the RPI the touch device is event2, and event0 when keyboard is unplugged. So ...
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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 ...
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2answers
744 views

Raspberry pi model b waveshare spotpear 3.2 inch lcd touchscreen is not working

I'm working on a Raspberry Pi portable system and I'm using a waveshare spotpear 3.2 inch TFT LCD touch screen; I have followed the instructions on that page. I get the screen to work but not the ...
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1answer
963 views

How can I run Spotify on a Raspberry Pi with the official Spotify interface?

I want a version that has the official Spotify user interface, either the web player interface, or the standard program interface. I don't like the interface of the XBMC (Kodi) Spotify add-ons, or ...
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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 ...
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1answer
2k views

Kivy: config.ini [Input] section: My touchscreen settings don't apply

I am trying to use an Elo Touch monitor to work with kivy. At first i calibrated the monitor with xCalibration wich worked fine: Calibrating EVDEV driver for "EloTouchSystems,Inc Elo TouchSystems ...
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2answers
3k views

Raspbian Jessie GUI hangs after running matchbox-keyboard

I have Raspberry Pi 2B, touchscreen, Raspbian Jessie 2016-05-10 with default LXDE desktop environment, installed matchbox-keyboard. When I run matchbox-keyboard it works correctly, but Raspbian GUI ...
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1answer
34 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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1answer
6k views

Touchscreen with Qt QML eglfs

The goal is to run QtQuick2 Qt5 applications on the RPI 2B with USB+HDMI resistive touchscreen (7" 800x480 AR1100 http://www.adafruit.com/products/2407). Current state Visual part is fine. Touch ...
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1answer
570 views

Kumantech 3.5" LCD Touch Display, Python Library

I've a Kumantech 3,5" LCD Touch Display in front of me. I'm trying to find a python library to controll the LCD, because i don't want to use x or just to console. I couldn't find any. And I couldn't ...
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1answer
86 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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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, ...
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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 ...

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