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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42
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, ...
16
votes
5answers
46k 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 ...
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 ...
3
votes
1answer
1k 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 ...
6
votes
9answers
49k 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 ...
30
votes
1answer
234k 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 ...
15
votes
2answers
44k 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.
18
votes
5answers
72k 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 ...
7
votes
5answers
21k 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 ...
1
vote
1answer
2k views

Touchscreen drivers disable GPIO interface in Python

I'm working on a raspberry pi (2B) project that is using a Waveshare 7" LCD Capacitive touchscreen that interfaces with the raspberry pi through HDMI (display) and USB (touchscreen). The ...
26
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 ...
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 ...
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: ...
1
vote
2answers
832 views

How to make 3.5" Resistive Touch Screen Usable

I just got this touchscreen that you attach to the gpio. It comes with a special image for the Rpi 2 under a red link called "Materials for the latest raspberry pi 2". In that zip is an *.img file. ...
1
vote
1answer
99 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 ...
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, ...
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 ...
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....
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 ...
2
votes
2answers
823 views

GPIO pins NOT working when using touchscreen

I have bought this touch screen. It looks and works great. I wanted to play round making a simple Kivy app with buttons that turn on/off LEDs and relays. But it seems that when the screen is ...
0
votes
1answer
12k views

Help required with assembly of Sain Smart 7 inch touch screen monitor kit and connection to pi

I am new to the pi and purchased the above kit which consists of several boards but no instructions regarding assembly. There appears to be software instructions but being new I am in the dark! I am ...
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 ...
3
votes
1answer
2k 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 ...
2
votes
1answer
271 views

Can we now use the DSI cnnector?

Now that the GPU source has been made open source, will we be able to use the DSI connector to power display panels?
2
votes
1answer
2k views

Connect an android tablet touchscreen to a pi?

I have an android tablet (versus touchtab 7v dc) that unfortunately doesn't work any more. I wanted to know if there is any way I can salvage the touch-screen from the tablet and use it as a display ...
1
vote
5answers
13k views

TFT LCD 3.5 display with inverted axis

Following my previous question, I now have a working LCD display, but with a different issue. The problem is the same as in this question, yet I am unable to find a solution. I don't have a xorg....
1
vote
1answer
970 views

Samsung touchscreen lms430hf12-003 - can this be used with the raspberry pi ?

Ok so I am trying to find a solution for a LCD for my PI and I had this old Garmin sitting around and so I thought I would see if I can use the display for PI, I am sure that it can work, but I just ...
1
vote
5answers
2k views

Dual touch screens , one for input and a second for output

I am working on a project where I will need to use two displays. One small touch screen display for easy user input and one HDMI display for video output. So pretty much the user would select an ...
0
votes
1answer
2k views

Touch panel via USB

I have an old LG 19" (4:3) LCD display and I had an idea to connect it to an RPi which should not be a problem but then I had the idea of adding a touch-panel film over the LCD. Now, I've Googled ...
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 ...
4
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 ...
3
votes
3answers
2k 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
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 ...
2
votes
0answers
2k views

proper installation of 5inch lcd on raspberry pi B+ running PWNPi

I received this morning my new 5 inch LCD for my Raspberry B+, I have got a PwnPI 3.0 version. The LCD displays with a big black gap on the right side when connected for the first time. I figured it'...
2
votes
2answers
2k 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 ...
1
vote
2answers
3k views

How can I use a PQ Labs multitouch overlay with the Pi?

I have multitouch screen overlays from PQ Labs that I would like to use with my Pi. They only have drivers for the x86 architecture. Is there any way I can use these? If not, are there other ...
1
vote
1answer
886 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
1answer
3k views

Benefit of connecting the SCL and SDA to the 7" touch screen

I bought the official 7" touch screen. In the instructions, I was told to connect the GND and +5V connectors only, even if 4 wires were shipped. So that's what I did until now and things were working ...
1
vote
1answer
14k views

How can I develop a touchscreen GUI in Python?

I am new to touch screen programming, and I'm programming a camera in python. How can I create a touchscreen-compatible GUI in Python?
1
vote
1answer
554 views

Will this ODroid-C1 3,2" touch screen work with Raspberry 2?

I bought a 3,2" touch screen which was advertised (German website) for Raspbery and ODroid-C1: Wird einfach auf den ODROID-C1 oder Raspberry Pi Einplatinencomputer aufgesteckt! Translated: Is ...
1
vote
0answers
73 views

Official Touch Screen not working with Raspberry pi B+ [duplicate]

So far, I've tried: turning it off and on again sudo apt-get update sudo apt-get upgrade sudo rpi-update rebooting disconnecting and reconnecting and checking the wiring Still doesn't work. What ...