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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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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 ...
3
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1answer
3k views

Touch screen (the film) acts like mouse. How can I make it swipe?

I have bought a touch screen LCD display. LCD module is connected via HDMI and I can see desktop, no problem with that. The touch screen part has a circuit which converts the pysical interaction ...
2
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1answer
1k views

Raspberry pi 3 b+ and 7" touchscreen over poe

I have an issue, i want to power my pi and 7" touchscreen over poe but the raspberry pi poe hat supplies only 2.5 amp. 7" touchscreen requires 2.5 amp and rpi 3 b+ also requires 2.5 amp so i am in ...
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1answer
109 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
71 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
94 views

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.
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0answers
34 views

How to connect a Raspberry Pi 7'' Touchscreen Display on a Intel Nuc

I am using an Intel Nuc in a project. Is there anyway to do a HDMI to DSI connection to the official Raspberry Pi 7" Touchscreen Display.
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1answer
82 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 ...
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1answer
41 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 ...
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2answers
105 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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1answer
120 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 ...
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0answers
2k 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
37 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 ...
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1answer
119 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....
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1answer
146 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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1answer
299 views

Kuman 7 inch LCD screen not working

I'm new to all things pi and just got a Kuman 7" 800 480 LCD screen. I tested it on my laptop first (windows 8.1) and it looked great. Plugging it into the pi, not so great. The colours are all off, ...
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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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1answer
144 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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3answers
170 views

Official 7inch touchscreen dead zone

I have a 7 inch touchscreen which has been working fine over the last few years but recently it has a dead zone across the centre (full width, landscape orientation). It works fine at the top 25% and ...
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2answers
71 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
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1answer
18 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 ...
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0answers
20 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 ...
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1answer
300 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
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
109 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 ...
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1answer
199 views

Waveshare 4.3inch HDMI LCD shows blank white screen

I have a Raspberry Pi 3 model B running the latest version of Rasbian Stretch. Yesterday I've received my Waveshare 4,3 inch display. First thing I did was build it in my project, due to save height ...
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1answer
181 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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2answers
38 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 ...
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1answer
191 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 ...
1
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1answer
291 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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1answer
257 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
107 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 ...
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0answers
14 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 ...
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1answer
35 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 ...
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1answer
33 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 ...
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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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0answers
29 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 ...
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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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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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2answers
431 views

Upside down screen on Pi with Kumantech 3.5"

On a pi B with raspbian-stretch, I have tried every tip I could find to get the touch screen to rotate 180 degrees: commands in config.txt, new drivers, using ./LCD-show 180, and more. Nothing works ...
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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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1answer
789 views

Kivy on RPi - how to correct rotated touch screen

I have Raspberry Pi with 3.5 in TFT (resisitive) touchscreen installed, and small application written in Kivy. When I'm on Desktop then mouse and touch work as expected (in particular are not rotated),...
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2answers
755 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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5answers
17k views

Inverted GPIO Touchscreen (Using 99-calibration.conf)

I bought yesterday my first 3.5" Touchscreen for my Raspberry Pi. (Elegoo 3.5 inches TFT LCD Touch Screen Monitor) On my Raspberry runs an OctoPrint Image (Raspbian based). The Display is working. My ...
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0answers
15 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 ...
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1answer
500 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
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 ...
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1answer
44 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: ...
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2answers
1k views

Change Official 7" touchscreen sensitivity

I'm required for a project to have a 2mm glass shield over the official 7" touchscreen. With it in place, I obviously can't detect touch any longer (except when using 2 fingers at the same time but it ...
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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 ...