Questions tagged [touchscreen]

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

Filter by
Sorted by
Tagged with
0
votes
1answer
27 views

How to login throught ssh to my raspberry with a lcd screen

So I just got a 3.5 inch lcd screen for my raspberry 3 b+. I connected it and installed the drivers and is working fine, but when it boots it prompts me with the ssh login (obviously, I just didnt ...
0
votes
0answers
11 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 ...
0
votes
0answers
16 views

How can I custom set my 7'' touch screen to the resolution of my preference (custom)

I have an LCD Display that is 7" but I want to set the resolution to 1024x600 but I can find a way how
2
votes
0answers
32 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 ...
1
vote
0answers
40 views

Touchscreen xinput calibration not working

I want to calibrate a touchscreen named "eGalax Inc. USB TouchController" on my Raspberry Pi. I think X and Y axes of the touchscreen are inverted. I used xinput_calibrator for this purpose. When I ...
1
vote
1answer
57 views

What to look for in a Large Touchscreen [closed]

I am making a kiosk application and need a large touchscreen monitor for the same. I am looking for large touch screen display(24inch-27inch) which can work with raspberry pi 3 B+ and RPi zero with ...
1
vote
1answer
28 views

Pi 7" touchscreen + Chromium in kiosk mode shifted down + right by 10px

I am using a Pi 3 B+ with the Pi Foundation 7" touchscreen for a personal home automation system. The UI is a webpage displayed in a Chromium browser in kiosk mode. Here are my specifics: /etc/X11/...
1
vote
0answers
68 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 -...
3
votes
1answer
556 views

LCD TFT screen 2.8" ILI9341 SPI connect

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 ...
1
vote
0answers
19 views

GUI Button Highlight

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 ...
1
vote
0answers
28 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
vote
0answers
17 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 ...
0
votes
0answers
31 views

ffplay and 7'' touchscreen

I'm trying to use ffplay with my RPi3B+ running the latest Rasbian Lite but it returns the following error: Could not initialize SDL - No available video device (Did you set the DISPLAY ...
0
votes
0answers
79 views

3.5 inch touchscreen driver without internet and Ethernet cable

I recently bought a Raspberry Pi B 3+, I installed Raspbian OS on a SD card and I also bought a 3.5 inch touchscreen. However, the touchscreen display stays white. Here is the screen (sorry for the ...
0
votes
0answers
28 views

Weird output on 10.1" HDMI/USB touchscreen (Waveshare)

I have an HDMI+USB 10.1" screen connected to Pi. When used only HDMI is work fine but when pluged usb (touch) the display weird output.
1
vote
0answers
57 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 ...
0
votes
0answers
43 views

Invalid MIT-MAGIC-COOKIE-1 keyQXcbConnection: Could not connect to display localhost:10.0

I have RPi 3 B+ and 5" HDMI touch screen. I wrote this little GUI application in Python: import sys import os from PyQt5 import QtWidgets class Test(QtWidgets.QDialog): def __init__(self): ...
1
vote
0answers
143 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 ...
0
votes
0answers
14 views

How can I make my touch lcd screen to work like a laptops touch pad

How can I make my touch lcd screen to work like a laptops touch pad? Is it possible because I am not able to access the corners of the lcd and I can't use the Pi correctly. Is it possible to make it ...
0
votes
0answers
71 views

Touchscreen (ACER UT241Ybmiuzx): multitouch is working in Chromium but not on desktop or filemanager

I'm stuck with installation of the above monitor and do not find a way forward. Touchscreen is running, operating perfectly with gestures in chromium, i.e. left click is fine. But on desktop or any ...
0
votes
1answer
83 views

Raspberry Pi Touch Screen - I can't do anything

So, I recently bought a UCTRONICS LCD 3.5 in. touch screen for the Raspberry Pi (I have a Raspberry Pi 3 with Raspbian Stretch), and attaching it and getting it to turn on worked just fine. I ...
0
votes
0answers
51 views

How do I find which pins my TFT display is using?

I have a TFT Touch Screen Display from Tontec that I'm using for a project. According to the product description the display only uses 8 pins. However, the connector cable takes up 26 pins worth of ...
1
vote
1answer
30 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 ...
0
votes
0answers
88 views

Use Raspberry Pi as bluetooth keyboard

I'm wanting to do a project with a Raspberry Pi acting as a Bluetooth keyboard and/or mouse. The Pi would be connected to a touchscreen display, and I would have a virtual keyboard on the screen that ...
0
votes
2answers
54 views

How to make a stand by button?

I am using an Raspberry Pi 3b and a 7 inch hdmi waveshare touchscreen that connects to rpi with a hdmi cable and a micro usb cable. I want to program a push button from GPIO pins to make the screen ...
1
vote
1answer
140 views

Pi 2 won't boot without touchscreen connected

Timeline of events: Installed a stable version of Raspbian, all systems work no real testing with the GPIO but HDMI and SSH work. Tested various GPIO pins for running fans and several pieces of ...
0
votes
0answers
25 views

Simple network manager application for 5inch display

I want to install on my Raspbian Lite (I already installed basic xinit packages and I'm able to run a graphical jar app without problem) a simple network configuration with GUI. My goal is to connect ...
1
vote
1answer
332 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 ...
1
vote
2answers
382 views

Pi Official Touchscreen Dim on Timeout (Screensaver like)

I've done a lot of Googling but not found anything. What I would like to do is dim the backlighting after a timeout period of no GUI activity and restore the backlight brightness on GUI activity. ...
1
vote
1answer
63 views

where to buy the raspberry pi 7" touchscreen display board separately? [closed]

My raspberry pi 7" touchscreen display board black plastic connector (BROWN CONNECTION ABOVE RPI DISPLAY LETTERING) that holds the ribbon to the raspberry pi broke and I am looking for a replacement ...
0
votes
0answers
68 views

Composite not Working on Raspberry Pi 3 B+

Raspberry Pi 3B+ with Noobs installation Then Emulation Station There is an official Rasberry pi touch screen attached by the ribon cable and 4 jumper wires to the Gpio. I used different power and ...
0
votes
0answers
37 views

Is there anyway to use raspberry pi to control an air compressor driving a hydraulic press?

I have a 20 ton shop press that I would like to automate to have certain run settings at a certain psi for a specific amount of time. For instance if I wanted to press something at 140 psi for 3 ...
1
vote
1answer
49 views

Can the GPIO pins be used to compromise a raspberry pi?

For example, would a touchscreen device that uses the below pins on a Raspberry Pi 3 be able to do something more than say, send touch and keyboard events? Anything hackish/nefarious? (edit: use case: ...
0
votes
0answers
191 views

Touch screen functionality not working on raspberry pi zero w and 5 inch lcd screen

I have a raspberry pi zero w and a 5 inch lcd touch screen with hdmi. I have the raspberry pi connected to the screen by HDMI. I am running the latest raspian OS on it. It boots up and starts just ...
1
vote
0answers
39 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 ...
0
votes
0answers
34 views

my 3.5" touch screen inverts the input of the touch

when ever i touch the top right of the screen and move to the bottom right the mouse moves from the top left to the top right i've already tried "display_rotate=2" and "lcd_rotate=2" but nothing ...
0
votes
1answer
874 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 ...
2
votes
1answer
322 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 ...
2
votes
1answer
301 views

Setting official touchscreen display boot-time brightness

I've got an official display, and having found other questions about setting the brightness I know I can change the brightness, and make a script that will run on boot, but that means the screen will ...
0
votes
1answer
293 views

Official touchscreen questions

I'm a French web developer so forgive my Englush I'm currently working on yet another in-car embedded Raspberry Pi project. I plan to build the software as a Chromium kiosk web app, served by a Node....
0
votes
1answer
245 views

Change GPIO pins for official Raspberry Pi 7" touchscreen

I need to use different GPIO pins with the Raspberry Pi official 7" touchscreen. I'm already using pins 3, 4, 5 and 6 with a hat, and it would be a pain to change them. I've looked through several ...
0
votes
1answer
340 views

Touchscreen GUI with control loop

I'd like to create a fullscreen-GUI on my Pi's 7"-touchscreen and I think this would be pretty easy to accomplish if I just wanna have some GUI that let's me click some buttons to control some GPIO-...
0
votes
1answer
94 views

Is it okay to power the Pi Touchscreen by plugging into the Pi?

I have the official raspberry Pi 7 inch touch screen, and I have mounted to it a Pi 2. Lately I have been using it and I have been plugging the power into the Pi itself. I however recently remember ...
0
votes
0answers
70 views

Java AWT full screen window / touch screen: mouse events “fall through”

I'm having a Scala (Java) app open a javax.swing.JFrame and put it to full screen; the physical display is a 3.5" touch screen on the GPIO. I just noticed that when I click on parts of my UI where ...
0
votes
2answers
126 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'...
1
vote
0answers
58 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 ...
0
votes
0answers
103 views

Powering a 7 inch touchscreen for the Raspberry Pi 3

I ordered a 7 inch hdmi touchscreen for the Raspberry Pi 3 on ebay and started developing my Python openCV application. So my setup is a Raspberry Pi 3 + webcam + 7 inch touchscreen powered via usb ...
0
votes
0answers
159 views

How to fix adafruit 7" display resolution problem on PI3?

I recently bought adafruit 7" display to be used with my PI3 to see if it will work. Well, it sort of works. The screen comes up everything is displayed but the resolution is screwed up. I have tried ...
0
votes
1answer
568 views

Raspbian Stretch Lite with Touchscreen - Chromium “Couldn't initialize SDL: No available video device”

I have a Raspberry Pi 3 B+, with the RPi 7-inch touchscreen hooked up. I installed Raspbian Stretch Lite on a 16GB SD card. I have booted the Raspberry Pi, changed my password, connected to Wifi, and ...
1
vote
0answers
1k views

Slow Refresh Rate on WaveShare 3.5" LCD (B) on RPi 3 B+

I've flashed StickyFingers-Kali-Pi-armhf-180607 to my Raspberry Pi 3 B+ with Waveshare 3.5" LCD (B). I update and configure the unit for my specific screen using the guide's instructions, entering the ...