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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.

0
votes
1answer
725 views

How many of the GPIO pins PiTFT - 2.8" TFT 320 x 240 CapacitiveTouchscreen uses?

I am planning on using the PiTFT - 2.8" TFT 320 x 240 CapacitiveTouchscreen with my Raspberry PI 2 Model B with 40 GPIO pins and would like to know how many of the 26 GPIO pins it uses even though it ...
0
votes
2answers
56 views

Is there a software to see on my PC that mirrors exactly what I am doing on the Raspberry Pi touchscreen?

I have the Raspberry Pi Official Touch Display and would like to mirror in a PC what a see on the Raspberry Pi's screen, is this clear? Is there a software that will allow me to see, on my PC, the ...
1
vote
0answers
228 views

Interface capacitive digitizer via i2c

Hi Guys I need help interfacing a capacitive digitizer with the rpi2. The digitizer has a goodix gt9137 touch controller and the drivers are in the Linux kernel.After I hook it up what do I do?Will it ...
3
votes
0answers
403 views

Raspberry Pi3 conflicting overlays

I have a Rpi3 with 2016-03-18-raspbian-jessie. I want to simultaneously connect a RC522 RFID Reader and a 5" touch screen LCD (waveshare). With this config.txt the 522 reader works fine: dtparam=spi=...
0
votes
1answer
470 views

How do I resize the screen on my LCD touchscreen?

I would like to resize the screen of my Raspberry Pi with a 3.2" LCD, because is too small to view easily. How can I resize the screen?
3
votes
1answer
2k 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..
1
vote
0answers
145 views

Sound troubles with the 3.5" spotpear/waveshare touchscreen

I purchased a 3.5" waveshare/spotpear touchscreen for my Pi. Long story made short, I cobbled together a few different ways of getting it to work consistently. I've described the process here. I hit ...
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 ...
1
vote
3answers
929 views

How do I setup my Osoyoo touchscreen?

I bought an Osoyoo touchscreen for my Raspberry Pi. I tried a lot of methods to get it working but I couldn't get the screen working. I followed these methods: I found this PDF file but it didn't ...
1
vote
1answer
395 views

Transfer driver in Raspberry Pi 2 Model B with Screen Kedai 3.5

I have a Raspberry Pi 2 Model B and I bought an 3.5" LCD screen from China called Kedai 3.5. To be able to use it, the Chinese company provides a link for downloading a Raspbian image with the screen ...
0
votes
2answers
2k views

Raspbian Jessie GUI hangs after running matchbox-keyboard

I have Raspberry Pi 2B, touchscreen, Raspbian Jessie 2016-05-10 with default LXDE desktop environment, installed matchbox-keyboard. When I run matchbox-keyboard it works correctly, but Raspbian GUI ...
2
votes
0answers
312 views

javafx 7" touchscreen blanking

I recently bought a Raspberry Pi 3 and the official 7" touchscreen. The goal is to run a JavaFX application that serves as a central point to control home automation services. While everything seems ...
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 ...
1
vote
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 ...
13
votes
2answers
37k 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.
1
vote
1answer
218 views

cutting the 7" TFT screen

The official 7" screen is 1.5 mm to wide (longer side) in order to fit into my car radio-adapter. Is it possible to cut 1.5 mm from one side without destroying the screen (I would try to sand it)
2
votes
0answers
472 views

Brightness control or toggle of backlight on ads7846 TFT touchscreen?

I have a 3.5" ads7846 based touchscreen for my Pi from Waveshare. Is it possible to toggle the backlight and/or change the brightness?
1
vote
1answer
511 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 ...
2
votes
3answers
3k views

New Touchscreen Project - GPIO or HDMI

Please excuse the noob question - first Pi project. Basic project components: Raspberry Pi 3 touchscreen (preferably 8 inches) with sound. I am uncertain in making the purchasing decision for the ...
0
votes
1answer
298 views

touch screen not working

I just bought a touch screen ,First it Works fine, but after two weeks the screen and the LEDs blink, and if I connect my Pi 2 via HDMI, it doesn't work at all. I connect the USB of my PC to supply ...
2
votes
3answers
2k views

Disable or catch touch screen events

I have a RPi 2 set up as a kiosk with the official touch screen. On startup, the user will need to enter some input using the touch screen, but then I want to display an external web page in full ...
2
votes
1answer
858 views

w1-gpio issue with Waveshare 5" LCD touchscreen and Pi 2

I've got huge trouble solving the following problem: I attached a Waveshare 5" LCD touchscreen to a Pi 2 Model B (components and setup listed below), prepared a new SDcard with Raspbian Jessie (not ...
1
vote
1answer
403 views

LCD-32 3.2 TFT no longer works after kernel update

I have an LCD-PI32 3.2 provided from hwlevel.com. This was working great with their kernel modules provided for 3, however after I recently upgraded my Rapsberry Pi to kernel 4 it is no longer ...
6
votes
2answers
430 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 ...
0
votes
1answer
384 views

Securely Mounting LCD Display to Pi

I have decided to add a 4D Systems 2.4" HAT display to my R-Pi2B, however before I start mashing down on it, I would like to ensure that it is securely fastened to the Pi. I have my Pi seated in a ...
1
vote
1answer
10k 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?
2
votes
1answer
2k views

Kodi on a GPIO screen

I recently bought a 3.5 inch TFT touchscreen connected by GPIO to my raspberry. I finally managed to make it work with Raspbian. however, when I launch KODI, the image on the TFT freezes and KODI ...
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 ...
8
votes
2answers
346 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 ...
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 ...
2
votes
0answers
984 views

Raspberry Pi Zero and Waveshare 4 inch IPS screen

I've tried to install this screen, used the image on the supplied CD, and the little light just flashes 8 times, so I go back to NOOBS, reinstall, then download the driver they supply from their site, ...
2
votes
0answers
2k views

How to setup resistive LCD touchscreen over SPI

I've been following a guide for setting up an LCD touchscreen, without success. When the screen is plugged into the GPIO pins it just shows a white screen. After all my attempts it remains white. ...
23
votes
1answer
188k 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 ...
0
votes
1answer
697 views

Raspberry pi 2 touch screen is not full screen

I am trying to get my touch screen working on my raspberry pi 2. I am currently running kali linux and I believe I have set up the touch screen properly. I am getting a display but part of 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
0answers
3k views

Getting touchscreen to work in raspbian / kodi

I got a HANNS-G HT231HPB touchscreen which I want to get fully working on raspbian and kodi. It seems to work in the normal lxde on raspbian, but when I start kodi I get no touch events. Can someone ...
1
vote
2answers
1k views

Raspberry Pi Touch LCD Screen problem when GPIO connected

I am using a Raspberry Pi 2 Model B. I have a 3.5 inch Touch Display LCD for Raspberry Pi. When I start the Raspberry Pi with the attached touch screen it shows only a white screen on the Display. ...
-2
votes
1answer
503 views

How to configure touchscreen for taking input and displaying output

I am making a control system project for factories where the motors and other appliances are supposed to be controlled via touchscreen. Is there a separate software in which the screen buttons has to ...
2
votes
4answers
11k views

White TFT LCD touchscreen isn't functioning on Raspbian or Ubuntu on a Raspberry Pi 2

I finally received my 3.5" KeDei 480x320 16bit/18bit version 3.0 TFT LCD touchscreen from Hong Kong. It only connects through the GPIO pins. I plugged it into my Raspberry Pi 2 and I was met with a ...
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 ...
1
vote
1answer
775 views

Android tablet as second screen via USB

Also can you charge tablet/phone using the USB ports? is solved as the title
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 ...
2
votes
2answers
2k views

how to use overlays for ads784 joy-it 3.2 " tft screen

According to the manual from Joy-it (cannot find an english version) I should download the latest firmware and use modprobe to load the kernel module but I receive an error message that the kernel ...
2
votes
0answers
129 views

touch screen for the pi

I am trying to set up a touch screen for the pi. I am looking for a 20 in. or so touch screen. I will be mounting this in the kitchen and the 10 in. one is a little to small. Can I use any USB ...
1
vote
0answers
616 views

Touchscreen - configuration issue?

Good day! I have a rpi B+ with 3,2" display (fb_ili9340) and XPT2046 touch controller. Previously 3.18.10, now 4.0.7 kernel. Display works perfectly as with waveshare32b module, but no touchscreen ...
0
votes
0answers
4k views

How To Install touchscreen drivers on a raspberry pi

Hello I am trying to install a raspberry pi touchscreen that i bought on ebay on the back it says the brand is KeDei v2.0 i asked the seller and i got the drivers and the instructions say this 1.You ...
2
votes
1answer
4k views

Change GPIO pin for DS18B20+ One Wire Digital Temperature Sensor

First question on this SE site so please be gentle. Trying to get the above mentioned temp sensor working on the RPi but with a touch screen installed. When I run the following steps nothing ...
1
vote
0answers
72 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 ...
0
votes
1answer
452 views

Touchscreen doesn't work after installing CarPi

I have a small 5" touchscreen and, with some driver updates and some other things, it did work on Raspbian Wheezy. I installed CarPC over it as required, however my touchscreen stopped working but ...
1
vote
1answer
581 views

Pointer moving randomly [Touchscreen TFT]

My 320x240 2.8" PiTFT (#1601) reached me yesterday. I install Jessie-based PiTFT 2.4" and 2.8" Resistive Image for Pi 1 and Pi 2 (September 24, 2015) image to my sdcard. At first everything seems ...