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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65 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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1answer
94 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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56 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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1answer
241 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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0answers
116 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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2answers
3k views

What to look for in a large HDMI+USB touchscreen for raspberry pi?

I have been searching quite a bit for a larger (14"+) monitor that has basic out of the box touchscreen capability with the raspberry pi. One that uses USB for the touch connection and preferably HDMI ...
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0answers
143 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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2answers
1k views

Waveshare 4inch LCD drivers, error after installation: PANIC: VFS: Unable to mount root fs on unknown-block(179,2)

Problem I am attempting to install the drivers for this Waveshare 4inch LCD (A) touchscreen; however, after I have installed the drivers and reboot I receive the error (displayed in the HDMI monitor, ...
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1answer
1k 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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3answers
5k views

Onscreen keyboard to use when logging in

I purchased a small touchscreen for my raspberry pi (running Raspbian), but I also require a login to the user pi (encrypted home directory). How do I set up an onscreen keyboard so that I can log in ...
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2answers
12k views

How can I switch between a built in display and HDMI?

I recently made a mini portable computer with my raspberry pi 2, using this display: https://www.adafruit.com/products/2423 It's all set up and works well, however it would be good if I could ...
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0answers
67 views

GUI Button Highlight [closed]

I'm having an issue with the highlight of the buttons on a GUI that I created with tkinter. When I run the GUI on my windows machine and the cursor is over the button, the button is not highlighted ...
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2answers
968 views

Is it possible to power a 3b+ and the display with the poe hat?

For a project I would like to power the 3b+ and the official 7” touch display using the official POE hat. I figured that I could connect the display board to the pi via the jumper wires to 5v and GND ...
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1answer
77 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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1answer
1k views

TFT Buttons on SainSmart 3.2" LCD

Has anyone gotten the buttons to work on the SainSmart 3.2" TFT screens for Raspberry Pi? I have some ideas to make them call commands or Python scripts, but don't have any documentation from ...
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1answer
130 views

Nexio Touchscreen

I have a 15" Nexio USB IR touchscreen connected and 'lsusb' identifies as: ID 1870:0001 Nexio Co., Ltd iNexio Touchscreen controller I have verified on a Windows PC that the device registers touches ...
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0answers
102 views

Removing 3.5inch touchscreen and going back to HDMI out

I installed a 3.5inch touchscreen onto my pi 3 model b+, it came with a wee card of the setup lines etc. That was sometime ago, and now I need to revert the system back to being HDMI output. I’ve ...
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1answer
479 views

RPI hid_multitouch invert XY

I'm trying to make a usb touchscreen working or a rpi4 with 2020-02-13-raspbian-buster but I'm stuck on a new known problem I think but I would appreciate any help to find a solution. My problem is ...
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2answers
7k views

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 ...
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2answers
274 views

PiScreen 3.5" TFT only shows white

I am attempting to set up a Zynthian Live Sampler (https://www.zynthian.org) which uses the Ozzmaker PiScreen 3.5" (http://ozzmaker.com/product/piscreen-3-5-tft-with-touch-for-the-raspberry-pi/) as it'...
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2answers
217 views

Issues running Kivy and Flask together on Raspberry Pi 2 with touchscreen

Setup Kivy 1.11.1 Flask 1.1.1 Python 2.7.13 Issue I have an issue running together a Kivy app and Flask as thread on a RPi2 with a touchscreen. It is similar to the issue mentioned in this post ...
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1answer
953 views

Raspberry pi 4 and Viewsonic monitor with touchscreen

The question is: does monitor "MONITOR VIEWSONIC 21,5" LED LCD TOUCH TD2220 VGA/DVI" support touchscreen on raspberry pi 4? If you have any prior experiences or educated guesses then please help. I ...
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1answer
260 views

secure a raspberry pi so it can only run one application

Given that only a touch screen is accessible, how can I lock down a raspberry pi so that only one application (a calculator program) will run?
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0answers
142 views

Brightness issue in Waveshare 10.1 inch Capacitive Touch Screen

I have 10.1 inch Touch screen displays (10.1inch HDMI LCD (B) 1280×800, IPS) https://www.waveshare.com/10.1inch-hdmi-lcd-b-with-case.htm I am using Raspberry Pi 3 Model B with Android Things OS and ...
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1answer
69 views

Camera NoiIR camera wont work while my touchscreen is plugged in

I've got a raspberry pi V3. A touchscreen that connects to the DSI port and a Pi NoIR camera module and running the latest lite image. The touchscreen is a non-pi brand screen i found on amazon. It's ...
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0answers
40 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 ...
15
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1answer
5k views

How to get touchscreen right click on Raspbian Stretch

I am currently using Raspbian Stretch with a Waveshare 7 inch touchscreen, and I would like to get right click input (preferably with two finger or long touch). There appear to be no solutions for ...
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0answers
236 views

ElectronJS on RaspberryPi3B - Gtk-WARNING **: cannot open display:

I am trying to develop an ElectronJS GUI application on the RaspberryPi3B with the standard 7" touchscreen connected. Currently, I have Raspbian Buster Lite and I use SSH to connect to the Pi. I ...
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0answers
138 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
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0answers
216 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 ...
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2answers
1k views

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 entries. hdmi_safe=1 ...
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6answers
20k views

TFT LCD 3.5 display with inverted axis

Following my previous question, I now have a working LCD display, but with a different issue. The problem is the same as in this question, yet I am unable to find a solution. I don't have a xorg....
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1answer
1k views

Change raspberry pi sleep time

I recently bought the 7" touchscreen for my raspberry pi B 3 running Raspbian and and wanting to use it as a wall mounted display for a smart home project. However I would like the touchscreen to "...
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1answer
2k views

Login Using Touchscreen

I am using a pi2 with Pixel as an air-gapped computer for secure data entry. In order to ensure that it remains isolated I have covered all the ports and cable jacks. The only input is a camera for ...
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1answer
2k views

Touch screen works in X, not in Kivy

I have the eleduino 7" touchscreen. The image with pre-installed driver they ship it with disable the GPIO pins. Touchscreen works in Kivy though. I was helped here by TMWILSON26 who referred me to ...
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0answers
932 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 ...
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0answers
190 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 ...
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1answer
111 views

Gsm and Touch display on Raspberry pi

Im trying to connect a touch display and a gsm module with rasberry pi at the same time , but the pins which are needed to connect the gsm module with rasberryy pi module are already occupied by the ...
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1answer
110 views

Raspberry pi touch display [closed]

Im using rasberry pi 3 , and im having XPT2046 Touch Controller which is a 3.5 inch RPi display , i need to connect the display to the rasberry pi , ive tried several methods like frimware update ,but ...
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0answers
18 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 ...
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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
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1answer
1k views

Touchscreen LCD USB (HannsG and elo) behaving unexpected on raspi 3

I tried to connect a Hanns­G HT225HPB 21.5'' touchscreen or an Elo ET1502L to my Raspberry Pi 3. Both connect via HDMI and USB for touch. Both seem to work at first glance but are not really usable. ...
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2answers
62k views

Adjusting the Brightness of the Official Touchscreen Display

Is there a way to adjust the brightness of the official touchscreen display? I couldn't find a definite answer. I'm running the latest release of Raspbian Jessie.
2
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1answer
537 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 ...
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1answer
2k views

Kivy on raspberry pi touchscreen not recognizing touch input

I have kivy installed on a raspberry pi 3B with the official 7" touchscreen attached. The touchscreen its self works perfectly and touch input is working as expected in the desktop environment. I ...
2
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1answer
6k views

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 ...
3
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1answer
546 views

Raspberry Pi3 conflicting overlays

I have a Rpi3 with 2016-03-18-raspbian-jessie. I want to simultaneously connect a RC522 RFID Reader and a 5" touch screen LCD (waveshare). With this config.txt the 522 reader works fine: dtparam=spi=...
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2answers
121 views

The best way to connect the 7” touchscreen

I have a pi 3 model B+ and the official raspberry Pi PSU, and the official 7” touch screen. I’m running Raspbian with all the latest updates. I have connected the display using a USB cable as ...
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1answer
1k views

Need a large (20 inch +) touch screen monitor Raspberry Pi 3b+/4b running Debian Buster

I'm looking for a large (20 inch +) touch screen monitor for Raspberry Pi 3b+/4b running Debian Buster. We tried the ViewSonic TD2230 but the driver support is lacking; Tkinter misses about 35% of the ...
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1answer
1k views

Raspberry pi 3 touch screen 3.5“ not working fine but it does with 7”

I'm working with a pi 3, I use Jessica img and waveshare driver : http://www.waveshare.com/wiki/3.5inch_RPi_LCD_(A). I followed the instructions and the touchscreen 3.5" is working except for touch ...

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