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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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What is the recommended touch screen displays for Rasp Pi 3 that work with Win IoT Core?

I bought a small touch screen but it does not work with Windows 10 IoT Core. For those who know any touch screens that work with Windows 10 IoT Core, please let me know.
2
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1answer
1k 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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0answers
114 views

Cursor doesn't respond to touch in pyqt5 program

I am very new to both programming in python and touch interface stuff on the Pi. I have run into an issue I can't seem to resolve by googling: I have a Sainsmart 7" touch screen that works perfectly ...
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0answers
296 views

3rd Party Touchscreen Display not Working After Rotation

I bought a Touch Revolution K21A-0101-A0 for a MagicMirror touchscreen display a while back. I finally got around to setting it up, but I am having problems getting the touchscreen to work after ...
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2answers
2k 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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1answer
922 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 ...
0
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1answer
367 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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2answers
175 views

Make a tablet with a HP 15-p158sa touch display

So, a mate of mine managed to short his laptop somehow. Around the charging port the plastic melted, I’ve disassembled the laptop and it looks fried. I took out an 1500GB hard drive and a 8GB RAM ...
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1answer
36 views

Connecting Anroid app with PI3 and touchscreen

Can a touchscreen be used with RPI3 to open Andorinha apps?
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0answers
326 views

LCD Waveshare 3.5inch Touch Screen Freezes and Not Displaying the Desktop

I have a problem with my LCD Touchscreen. I'm using a 3.5inch Waveshare LCD and Raspberry Pi 3 with Raspbian OS. The LCD usually worked and could display the desktop. But then suddenly it was unable ...
4
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1answer
3k views

Official Pi Display supported Android things

I got a new project and planned to use a raspberry pi 3, Android Things and a touchscreen. First I bought a 3.5 inch SPI touchscreen, but couldn't get it to work on Android Things so I'm looking for ...
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0answers
51 views

Adafruit 7-in touchscreen startup troubles

I recently bought a 7-inch touchscreen, from Adafruit, for my RPi3. I downloaded the latest disk image for Raspbian, did all the updates per the startup instructions: sudo apt-get update sudo apt-...
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2answers
457 views

using serial ports when external screen is connected

I now have a Raspberry Pi 3B, and a 3.5inch touch screen. The screen connects to the Pi by connecting to GPIO pin 1 to 26, so it holds up all the UART and I2C pins. However I would want to connect ...
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0answers
115 views

Cloudy LCD HDMI 7" Touch Screen BEFORE config.txt was booted after that OK

I installed the latest July 17 NOOBS software then choose Raspberry OS. Everything is running fine except when I switch on the system the external LCD touch screen (I only use it as a screen) is ...
0
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1answer
625 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 "...
0
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1answer
882 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 ...
1
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1answer
88 views

Monitor output is always my touchscreen, not my computer monitor

So, I got a Raspberry 3 model B and connected it with a keyboard, a mouse, and a touchscreen. When I connect an HDMI-DVI converter to my Planar monitor, it's fine at the beginning of turning on the ...
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2answers
615 views

Is there a way to disable the touchscreen functionality on the official 7" display that does not also disable all display control functionality?

I have disabled the touchscreen on my official 7" display by adding the below line to my /boot/config.txt # disable the touchscreen disable_touchscreen=1 While this works, it also eliminates ...
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0answers
487 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 ...
2
votes
1answer
64 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 ...
1
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1answer
984 views

Pink pixels on left edge of display

With my Elecrow 7" touchscreen display, I noticed a 2 pixel column of just pink that is on the left edge of the screen. The mouse doesn't move onto the pink, and on the right side moves completely ...
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2answers
1k views

Low Power when 7" touchscreen display connected

I recently won a raspberry pi, and decided to buy the Elecrow 7" touch and the 9 layer case for my raspberry pi. The case works great, and the fan runs without problems off of the 5v+ground GPIO pins. ...
1
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1answer
126 views

Touchscreen only works on a modified OS

I bought a touchscreen for my Pi 3. But- you don't get drivers instead you get a link for an OS that is already configured. 2 problems: I Can't use the other OS that seller already pre-configured (...
0
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1answer
485 views

Pi 3 Xorg.cond.d missing and need to swap the axis for the eGalax USB touchscreen

I have a problem: xinput_calibrator doesn't work properly. After I touch 4 points my touchscreen's X and Y axis stay swapped. And I can not apply changes manually in the Xorg.conf.d directory because ...
1
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1answer
590 views

Touch Screen Calibration - selected device is not a touchscreen I understand

I'm trying to calibrate my iiyama touch screen on my new raspberry pi 3. I installed LIBTS for this : sudo su aptitude install libts-bin Then I have to export two variables LIBTS_FBDEVICEand ...
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2answers
3k 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 ...
0
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1answer
2k views

Purchased an Elegoo 3.5" TFT Display and getting white screen after instructions

I recently purchased an Elegoo 3.5" TFT Display for my Raspberry Pi 2 B+. I plugged it in (correctly) and it booted to a white screen as expected. I then followed the tutorial outlined in this file:...
1
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1answer
733 views

single touch on touchscreen results in double click

I can't seem to do a single click with a single touch with my 7" touchscreen I recently attached to my Rpi (Raspbian-Jessie). Any ideas as to why it is registering a single touch as a double click? ...
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0answers
592 views

Raspberry pi screen rotation isn't working right

So, I need to flip my screen upside down for a project of mine. I have a 800 by 480 Elecrow touchscreen screen, and I figured the gollowing would work, since I see it time and time again: In the ...
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0answers
90 views

Raspberry PI dual touchscreen

is it possible to use two raspberry official 7inch touch screens using a single raspberry PI3? I know there's only a single output for the ribbon but was wondering if there is such thing as a splitter ...
0
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1answer
2k views

Turning RPi Official Display(Touchscreen)'s backlight on/off from python on pi user account

I'm not sure if this issue belongs here or on the python side, but hopefully someone can help me on this, and others can benefit here as well. I've managed to customize the commands found in this ...
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1answer
672 views

Touchscreen with extern power supply

So, I have a 7 inch touchscreen from waveshare. The touchscreen works via HDMI to get the image and the power and touch function goes via usb to the pi. So the power comes from the pi... The problem ...
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1answer
110 views

Does all touchscreen supported to linux work on raspberry pi?

I am working on a project for a large smart mirror, around 42 inches. To this i will also use a touchscreen for interaction with the screen and the supplier for the touch foil assures that the system ...
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0answers
467 views

White TFT screen after installing kuman drivers?

So I have spent a good three days trying to get this TFT screen to work on kali. I have tried every last troubleshooting technique that I could find and still no luck. I am absolutely exhausted with ...
0
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1answer
3k views

install Kuman 3.5 pouce LCD TFT Screen raspberry pi 3 raspian 7 [duplicate]

i use a raspberry pi for the first time and I don't have any programmation skills. I acquired a Kuman 3.5 pouce LCD TFT Screen (https://www.amazon.fr/dp/B01CNLYL1C/ref=pe_386181_51767671_TE_dp_1) for ...
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2answers
2k views

Using RPi touchscreen as primary display, how to display image on HDMI?

I am using RPi 3 and a RPi touchscreen as my primary display. I would like to output an image to an HDMI display to be displayed for x seconds (to project an image for a 3D printer). HDMI output is: ...
0
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1answer
2k views

ADS7846 Touchscreen configuration

After running the xinput calibrator, it generates following output: Calibrating standard Xorg driver "ADS7846 Touchscreen" current calibration values: min_x=0, max_x=65535 and min_y=0, max_y=65535 If ...
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1answer
933 views

Waveshare 3.2 inch Touchscreen Resolution Problem

I have a Waveshare 3.2 inch touchscreen that I am using with a Raspberry Pi 3 and Raspbian OS. The screen works fine and I can toggle to a HDMI monitor and back with no problem. The problem I am ...
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1answer
339 views

Difference between executing script from terminal vs /etc/rc.local

I am booting my raspberry Pi to Terminal at the moment. I have a script that I would like to run. The script looks like this run_gui.sh: python /home/pi/1.py & /home/pi/Gui& If I SSH into ...
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0answers
314 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 ...
0
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1answer
2k views

Installing drivers for 3.5" HDMI Touch Screen OSOYOO

I am trying to install the drivers for HDMI Touch Screen 1920x1080 Display 3.5 Inches LCD Monitor for Raspberry Pi (https://www.amazon.de/gp/product/B01N5G02MZ/ref=oh_aui_detailpage_o01_s00?ie=UTF8&...
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0answers
132 views

Can I enable a HDMI auto detect to substitute a GPIO screen

Ok so I am running raspbian jessie pixel on a pi 3 b and I have installed adafruits 3.5' piTFT and it uses the GPIO pins and I would like to know if I can cause it to auto detect HDMI on boot and oly ...
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1answer
126 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
59 views

Hardware platform for building a simple always-on pc

I am considering building a simple Kiosk PC (no keyboard or mouse, only touchscreen). I have a spare 22" touchscreen with HDMI, DVI and VGA outputs and a USB output for touchscreen. I want to use ...
0
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1answer
102 views

Problem configuring touchscreen for raspberry pi 2

I recently bought a 2.8 inch touchscreen from Adafruit to use with my raspberry pi 2. I went to the website, and followed the instructions. I used sudo raspi-config (expand filesystem) sudo reboot ...
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vote
1answer
658 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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vote
1answer
279 views

Screen connection with raspberry pi 3

I am very new to raspberry pi 3. Sorry for silly question. I have just buy raspberry pi 3 model B. I already have 7 inch touch screen which is belongs to my old tablet. I do not know if it is ...
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1answer
164 views

Simultaneous using of Touchscreean LCD and MCP3008 on Raspberry Pi 3

I want to use a touchscreen LCD (3.5" TFT) and a MPC3008 ADC at the same time to monitor data fast and continuously in my project. And I know the data interface of each three parts (LCD, touch, and ...
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1answer
74 views

Gsm and Touch display on rasberry 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 ...
0
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1answer
83 views

Rasberry 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 ...