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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44
votes
6answers
15k 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, ...
40
votes
1answer
282k 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 ...
27
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 ...
20
votes
5answers
84k 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 ...
18
votes
2answers
61k 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.
16
votes
5answers
50k 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
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 ...
14
votes
4answers
48k 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 ...
13
votes
1answer
17k 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?
13
votes
3answers
13k 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. ...
9
votes
5answers
30k 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 ...
9
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?
8
votes
9answers
55k 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 ...
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
2k 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
389 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
2answers
10k 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 ...
6
votes
1answer
7k 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
4k 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 ...
6
votes
3answers
3k 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 ...
5
votes
4answers
6k 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
4k 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: ...
5
votes
1answer
11k 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 ...
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
2answers
671 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 ...
5
votes
1answer
8k 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
2k 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
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
12k 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
3answers
14k 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
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
6k 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
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 ...
4
votes
1answer
4k 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
2answers
3k views

raspbian-output-video-camera-to-3-5-lcd

I have a pi3, pi camera and kookye 3.5"lCD. On power up the OS is displayed on the 3.5 screen and the touchscreen works fine. When I run the camera it doesn't out put to the 3.5lcd. Likewise when I ...
4
votes
2answers
4k 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
609 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
1answer
2k views

Is there a way to rotate the camera's image at the driver level, not processing graphics after capture?

I've mounted an Arducam 5 MP camera inside a SmartiPi 2 case with the official 7" touchscreen powered by a Pi 4. Unfortunately, when I take a picture or use it as a webcam, the camera appears to be ...
4
votes
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 ...
4
votes
2answers
4k 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
2answers
2k 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
0answers
921 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
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 ...
3
votes
2answers
3k 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. ...
3
votes
3answers
8k 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
1answer
5k 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
2answers
3k views

Kuman 7 inch LCD touchscreen compatible with Raspberry Pi Zero?

Does anyone know if this Kuman 7" TFT LCD Capacitive Touch Screen is compatible with the Raspberry Pi Zero? On the website it says Raspberry Pi 3 2 Model B, RPi 1 B+ A but why wouldn't it work with ...
3
votes
1answer
2k views

Raspberry Pi 4 touchscreen misbehaving when using a secondary monitor

First of all I recorded a video on the phenomenon, this might be more descriptive than my words: video of the problem I have a project in which I have to use two displays: the first one is the 7 inch ...
3
votes
3answers
3k 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
2answers
5k 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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