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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.

41
votes
6answers
13k views

How can I determine if a given touchscreen is compatible?

I want to attach a touchscreen to my Raspberry Pi. While doing some internet search about this, I found out that this is not trivial, because not all touchscreens are compatible. How do I find out, ...
25
votes
1answer
203k views

Virtual keyboard activation

I bought a raspberry pi2 and 7 inch waveshare touchscreen. The SD card came along with the system already flashed. It turns on and everything works, but how do I activate the virtual keyboard. Do I ...
25
votes
4answers
11k views

What qualities should I look for in a small, 7“ or 10” monitor?

Hi, which small small and portable monitors would you suggest to combine with Raspberry Pi. As Raspberry Pi is part of huge range of different project please suggest which would be best in each of ...
18
votes
5answers
68k views

Larger Touch Screen Displays

I was hoping to find a larger touchscreen display that will work with my Raspberry Pi. I wanted to make a "kitchen use" kiosk for looking up recipes, watching cooking shows etc. I was hoping to find a ...
16
votes
5answers
45k views

Multiple Display Screens

I want to build a mini multimedia system based on the raspberry pi B+, which has 2 display screens: The main screen (like a 42" LED TV), which plays the main video in Full HD. HDMI RCA/AV/Composite ...
15
votes
2answers
40k 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.
12
votes
3answers
11k views

Raspberry Pi Raspbian Web Kiosk Virtual Keyboard Solution

I followed Alan D. Moore's step-by-step guide to have my Raspberry Pi running in kiosk mode. I did my own configuration as I needed it to run on a touchscreen with no physical keyboard and mouse. ...
11
votes
1answer
16k views

Is it possible to connect a Raspberry Pi to a 3.2" TFT LCD touch panel?

Can I connect a Raspberry Pi to a device like SainSmart 3.2" TFT LCD Display + Touch Panel + PCB adapter SD Slot for Arduino 2560? How hard would it be?
9
votes
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 ...
8
votes
4answers
8k views

How to make a Raspberry Pi into a tablet?

I am interested in making a tablet out of the Raspberry Pi, a touch screen, and some sort of case. Could someone Please tell me if this touch screen would work & where to find a case for the ...
8
votes
1answer
1k views

How to write device tree overlay for analog device touchscreen ad7879 i2c

I wrote a device tree overlay for driver ad7879-i2c touchscreen (compiled as module using Raspberry Pi source, files: ad7879-i2c.c, ad7879.c). Driver gets loaded but i guess parameters are not passed ...
8
votes
2answers
350 views

Touchscreen display turns off whenever audio plays (RPI2, DAC+, PITFT)

I'm using a Raspberry Pi 2 with a Hifiberry DAC+ Pro and the Adafruit 3.5" touchscreen. I attached the DAC+ to the Pi, and then the touchscreen to the DAC after soldering some extra connectors. It ...
7
votes
5answers
18k 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 ...
7
votes
2answers
8k views

Touchscreen w/ HDMI output only when a display is attached?

Probably a very simple question, but I haven't had much luck finding a answer on my own. I have a Tontec 3.5" touchscreen plugged into my RPi2. Is there any way that I can use the touchscreen when ...
7
votes
3answers
3k views

Would this touchscreen work with a Raspberry Pi?

I'm looking at getting this 659GL-70NP/C/T touchscreen for my Raspberry Pi but I'm not sure if the touch surface will work with the Raspberry Pi Android OS. Will it?
6
votes
1answer
6k views

Pygame from console with PiTFT

I wrote a simple script that uses pygame to display the information. However, I found that it won't display on screen when I call it from terminal through SSH. I found this guide/solution on adafruit, ...
6
votes
3answers
2k views

How to install PiTFT and use to the GPIO for other usage (like serial console)

I am about to install PiTFT on a RPi model B. However, doing so, I will lose the GPIOs for other usage (like a serial cable cable, for instance). Is it possible to install a PiTFT and still have a ...
6
votes
2answers
441 views

powering RPi from touch screen usb out

I've been wondering about buying an LG 23ET63V touch screen monitor. Although the manual doesn't mention the touchscreen usb output specifications, I was wondering if anyone knows whether this could ...
6
votes
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 ...
5
votes
9answers
46k views

How can I install the KUMAN 3.5 inch-display?

I have a perfectly running Raspberry Pi 3 Model B, with a Raspbian Distribution on a 16 GB SD-Card. I connected a Screen with a HDMI-to-DVI Connector to it, a Mouse and Keyboard and I also have SSH ...
5
votes
4answers
24k views

How to permanently hide mouse pointer or cursor on Raspberry PI?

I am running Raspbian Jessie on Raspberry PI 2 Model B along with a touchscreen. I just noticed that whenever I use the touchscreen display, mouse pointer also follows my finger tips. I don't want ...
5
votes
4answers
5k views

Win10 IoT +Raspberry PI 2 official touch display support

I'm looking to have the new 7" Raspberry official touch screen working on Windows 10 IoT. Does anyone have ever tried it? It looks to work pretty well with LINUX but there is no such docs or samples ...
5
votes
2answers
3k views

Touchscreen display from Chalk Electronics doesn't work

So I'm trying to get a touchscreen from Chalkboard Electronics to work with my model B Raspberry Pi. The specific product I have is this 7" capacitive touchscreen which connects to the Raspberry Pi ...
5
votes
1answer
6k views

Official 7in display touchscreen not working

I just got my official touchscreen in the mail. I plugged it in and the display works fine, but the the touch is not working. I did everything said here https://www.youtube.com/watch?v=tK-w-wDvRTg ...
5
votes
2answers
1k views

Official Touchscreen Backlight Inconsistent Control

I am running Raspbian Jessie Lite with a custom Xfce4 Desktop Environment installed. I created a file which when run, changes the number in /sys/class/backlight/rpi_backlight/bl_power to 0 or 1 ...
4
votes
1answer
11k views

calibrate touch screen (Raspberry PI 2 b+)

I have the 7 Inch TFT Touch Screen LCD Monitor For Raspberry Pi + Driver Board HDMI VGA 2AV calibrated, but every time after the restart I have to calibrate it new. Is there a way that he remembers it....
4
votes
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: ...
4
votes
1answer
5k views

How to make onscreen keyboard automatically pop up when entering input field

I have a Raspberry Pi 3 and an offical Raspberry Pi touchscreen and I want to use them as a tablet. This sort of works by installing an onscreen keyboard, but the keyboard does not automatically pop ...
4
votes
3answers
9k views

3.5 Kuman touchscreen rotation

How can I rotate my touchscreen display 180 so that I can stand it up with the power coming out of the top, rather than the bottom as it does now? Thanks (I'm a total novice with Linux so please be ...
4
votes
2answers
5k views

Portable power supply for RPI3 and official touchscreen requirements

I have recently bought and assembled a Raspberry PI 3, official touchscreen and case / enclosure. I want to be able to use it whilst out and about with a rechargeable battery and if possible allow ...
4
votes
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 ...
4
votes
1answer
2k views

Raspberry Pi Camera Not Showing Preview Onto Touch Screen

I have a 2.8 inch touch screen that plugs into the GPIO pins on my Raspberry Pi 3. https://www.adafruit.com/product/1601. I have a raspberry pi camera that I attached to the pi. I am using the ...
4
votes
2answers
3k views

Enable 2 screens on raspberry pi2

I just got official raspberry pi lcd screen and it work perfectly. However, once the screen connected I cannot run the HDMI screen. I was looking at framebuffer and I thought there will be something ...
4
votes
1answer
553 views

Touchscreen Pi GPIO Connection

I'm working on David Hunt's Touchscreen Pi Timelapse Controller (https://learn.adafruit.com/touchscreen-pi-timelapse-controller/overview) and have encountered some difficulty in the the hardware ...
4
votes
2answers
9k 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 ...
4
votes
2answers
3k views

Is it possible to extend the DSI connector?

I want to install my Raspberry Pi in my car. I also want to have a screen visible for the driver while the RPi is somewhere else. So i want to extend it up to 50cm, is that possible?
4
votes
1answer
4k views

how to mount LCD/TFT screen on raspberry pi

Possible Duplicate Raspberry pi has an on-board DSI connector, If I buy an LCD or TFT or touch screen which has the DSI connector, could I mount it on the RPI? Does it require any additional firmware ...
4
votes
1answer
167 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 ...
4
votes
0answers
537 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 ...
3
votes
1answer
4k views

Conect a phone screen to the RPi (GPIO)?

I've an old cellphone I don't use anymore (LG Secret (KF750)) and I was thinking about disassembling it in order to use its screen with the RasPi (probably with the GPIO pins ?). It sounds nice to me ...
3
votes
4answers
7k views

2.8" TFT Touchscreen with pygame script from console

I have recently gotten the Adafruit 2.8" TFT Touchscreen I've got it all set up and working correctly. All of my touchscreen calibration went well and appears to be functioning correctly. I am now ...
3
votes
3answers
1k views

Low power warning using touch screen

I have a RPi 3 and a 7" touch screen, powered by a MW GS18E05 adapter. It says output 5-6V, 3.0-2.5A, max 15W. The top right corner yellow flash low power warning shows up when I boot and then it ...
3
votes
3answers
4k views

qt5 adafruit touch screen on raspberry pi moves pointer too fast

I have finally got the adafruit 7" screen working with the X11 interface (startx) and it now seems to move the mouse accurately. However, I have a qt 5.5 app I wrote which works fine with a mouse but ...
3
votes
1answer
3k views

Completely remove mousepointer on Touchscreen

i have a touchscreen and it shows the cursor everytime I touch the screen. can I disable this function? I tried using clutter but this only hides the cursor after 1sec. after touching..
3
votes
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 ...
3
votes
1answer
979 views

Output SDL to TFT screen from console

I'm trying to make a SDL program (fastdosbox) output to an adafruit TFT screen. The screen is fb1. In the console I tried typing SDL_FBDEV=/dev/fb1 but it still outputs to the HDMI screen. If I startx ...
3
votes
1answer
4k views

Force HDMI output

I have a Raspberry Pi 2 and a LCD I have no problem with LCD but i want to switch HDMI for video output . i tried to add these line to config.txt : hdmi_force_hotplug=1 hdmi_drive=2 ...
3
votes
1answer
1k views

Raspberry Pi LCD TFT not working

Well, I bought a Chinese LCD TFT touchscreen, 3.5 inches, but I cant get it working, because I cant find the drivers. The only thing it says in the back is www.mcufriend.com, but the page is not ...
3
votes
1answer
1k views

PiTFT: Cause terminal blanking to disable screen backlight, let touchscreen wake terminal

I have a raspberry pi model B rev 2, with the Adafruit PiTFT 2.8" w/ touchscreen. I'm running the standard raspbian install, after following the instructions on this page. What I want to do is set up ...
3
votes
3answers
2k views

Homemade Raspberry Pi television remote?

I want to create something to replace my television remote. I'm hoping to create a simple GUI that I can fiddle with on a touch screen. I'm not sure if this project is right for the Raspberry Pi or ...