Questions tagged [tft]
A thin-film transistor (TFT) screen
56
questions
0
votes
1answer
30 views
Increase or decrease the brightness of Nextion display
I have a nextion display. I want to implement this issue of it. Start the program. If for example I don't touch the display for 15seconds, it should to turn off its brightness. If I touch the screen ...
0
votes
1answer
69 views
Menus not changing when button is pressed TFT 128 x 128
I've just followed a tutorial so that when a button is pressed it goes through a menu. Click once, next slide. Only issue is it isn't appearing on my screen at all. It has uploaded but I'm a total ...
0
votes
1answer
28 views
How to make a custom character on a TFT LCD display? (128x128)
I'm currently using the ucglib library. I'm new to arduino and I'm wanting to simply display a lcd smiley I made with the byte generator. I still have some of the original 'font hello world' stuff ...
0
votes
0answers
16 views
TFT ST7735 Library - Can't Display Bitmap
Using a cheap Chinese ST7735 type 128x160 display with the TFT_ST7735 library (https://github.com/Bodmer/TFT_ST7735). I'm using an Arduino Mega 2560, hardware SPI.
Example works perfectly, ...
0
votes
0answers
24 views
TouchScreen GUI Reference Guide Help
Recently I have gotten some Touchscreens to add to my projects and I am very excited to use them. However, I am not sure where I can find a guide to help me create my own GUI with the touchscreens. ...
0
votes
0answers
46 views
Why does my TFT keep turning white after moments?
Alright, seems there is something wrong I am doing that I don't understand. Before I start explaining, my question is different than this white screen question.
First of all my TFT ST7735 is working ...
0
votes
1answer
233 views
Why am I only seeing white screen in TFT 1.44 ST7735?
I just bought the 3rd TFT and in all my attempts I get the white screen I don't know what I'm doing wrong!
This time I bought it and followed their instruction's guide
I created this schematic ...
0
votes
0answers
36 views
Arduino 3.5" TFT Display going blank after sending data through I2C
I'm trying to use I2C to send and receive commands between an Arduino UNO R3 and an Arduino Mega R3, with a 3.5" TFT display connected to the Mega. I have verified that my display is fully functional ...
0
votes
0answers
38 views
problem with char array iteration and strcmp
New to Arduino and programming so forgive me if this is trivial but I've searched and can't find an answer...
Goal: I want to convert decimal values to their equivalent fraction... eg: 0.125=1/8. I ...
0
votes
0answers
147 views
What am I missing? ST7735 TFT white screen
I followed this guy's guide with regards to wiring, etc., and all I seem to be getting is a white screen, as shown in these pictures. Is there an issue with the guy's guide, I'm missing or there is an ...
0
votes
0answers
35 views
Is there software to make an interactive GUI for my TFT touch screen shield?
I was wondering this, because realized it takes quite time consuming due to all the lines of code I have to write.
0
votes
2answers
213 views
Connecting TFT Display MI0283QT-9A to ESP32
I have purchased a MI0283QT-9A TFT display (https://download.mikroe.com/documents/add-on-boards/other/display/tft-proto/tft-proto-manual-v200.pdf) which is
driven by the ILI9341 display controller.
I'...
1
vote
2answers
536 views
Arduino NANO hardware SPI not working
I have an Arduino NANO clone and a 2.4" ILI9341 TFT display. The VCC and LCD pins of the display are connected to the 5V pin of the board. The GND to the GND. All the logic pins are connected to ...
0
votes
0answers
231 views
Arduino TFT LCD buttons reappear after fillScreen(BLACK);
I am very new to TFT screens and I am developing some code to display on a little information board, however I have come across an issue. Once I call tft.fillScreen(BLACK);, it writes testing but ...
0
votes
1answer
192 views
Can a push button be used for TFT LCD screens?
I am trying to link my TFT LCD touch screen to a few push buttons. May I enquire why my code is not working? I'm trying to link the screen and the button so I'm trying to make the image display a ...
0
votes
1answer
98 views
Using TFT with hardware SPI and speaker with tone()
I want to make a device with a TFT screen and a speaker that uses the builtin tone() function. However, according to the documentation, using tone() interferes with PWM on pins 3 and 11. On the ...
-1
votes
1answer
153 views
How to connect 2 Arduino Unos when one has a TFT LCD display attached to it? [duplicate]
I have to make a school project involving an Arduino Uno with a 2.8" TFT LCD touch screen display. in my project, i have to connect it such that the display is linked to a LED push button that receive ...
0
votes
1answer
54 views
listing sd card files on a tft screen
I'm currently working on a Arduino project that plays audio files from SD card through a speaker.
First Arduino sends the list of all music files, and when I send it a file name, the music is played.
...
0
votes
1answer
822 views
Using Waveshare Raspberry Pi TFT LCD with Arduino Uno
I have a 3.5 inch Waveshare Raspberry Pi TFT LCD which uses the XPT2046 Touch Controller. I want to use this LCD screen with my Arduino Uno.
I originally believed something like this was impossible, ...
0
votes
0answers
88 views
Nextion controlling Neopixel
I am looking to control an addressable LED Strip (WS2812B) mode via a Nextion display. Below is a short version of my code.
CODE
//////////////////////////////
// LED LIGHT SHOW PRESETS //
////////...
0
votes
1answer
2k views
Nextion Dual State Button
I am having an issue with my Nextion display. I have uploaded the following code via Arduino IDE to my Arduino MEGA 2560.
My Nextion Editor shows the button as ID:9 on page0 named floor. I am not ...
0
votes
1answer
532 views
Background “static” on side of TFT screen?
I recently bought an XC4629 128x128 TFT screen and noticed that failing to initialise a background for the screen produced this RBG static.
A red line drawn on the screen without a background:
The ...
2
votes
2answers
245 views
How to expand an Arduino when using a TFT display shield?
I am really new to this Arduino stuff. I can't figure out one of my problems on my own.
I am using this 2.4 TFT display shield on an Arduino Uno. It works fine so far: I have coded a little sketch ...
0
votes
1answer
332 views
Using TTGO TS 1.0 TFT display
I'm trying to use the TTGO TS 1.0 display with a demo app from a different source. The demo app wants the following to be configured:
#define PIN_NUM_MISO 17 // SPI MISO
#define PIN_NUM_MOSI 23 ...
0
votes
1answer
400 views
How to connect a 240x320 37-pin TFT to an Arduino Nano?
I have an old TFT display (extracted from an MP5 player) and I can't figure out how to connect it with an arduino nano, pls help.
here's the datasheet of the TFT:
http://read.pudn.com/downloads137/...
0
votes
0answers
1k views
Wiring parallel TFT with ESP32
I have this Parallel LCD TFT. I want to connect it with an ESP32 (NodeMCU). I am using the TFT_eSPI library.
In the TFT_eSPI documentation, it says that the connection should be as following:
// The ...
1
vote
1answer
1k views
Connecting LCD TFT shield to NodeMCU
I have the following screen:
I want to connect it to a NodeMCU device:
I read somewhere that it is not possible. However, I am not interested in the touch ability nor the SD card. I just want to ...
1
vote
0answers
57 views
Can I make my own TFT LCD shield? [duplicate]
I have a few TFT LCD displays lying around which I salvaged from old phones. I would really like to use them with my Arduino. I didn't get anything about making a shield on the net but only links to ...
0
votes
2answers
413 views
How to detect an read buttons pressure on touchscreen [closed]
I made simple 3 red buttons like this:
#include <SPI.h>
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"
#include "URTouch.h"
#define TFT_DC 9
#define ...
0
votes
2answers
350 views
ILI9341 backlight flickers when using USB power from Laptop
I've developed a project using am ILI9341, ESP12F and Arduino. Everything works fine except a very annoying issue. The LCD flickers when I use the laptop's USB. But when I use a USB charger it's much ...
0
votes
0answers
686 views
Programming 5 inch TFT Display + Arduino Mega with Touch Shield (w/SSD1963)
I am newbie on Arduino and TFT Screens. But I am a semi-professional on programming and I decided to develop a device that can be controlled by Arduino via capacitive touch screen (there will be 2 ...
0
votes
2answers
3k views
Multiple devices on SPI
Whenever I use multiple devices on SPI, TFT Screen, and the BME280 breakout board from Adafruit, the Arduino fails to detect the devices.
Code of the screen separately (works)
// include the ...
0
votes
0answers
465 views
2.8" TFT display without D/C pin
I got a TFT display module from China.
The TFT does not has D/C pin, how could I connect TFT to UNO or which library should I need to use??
Here is the pin name print on PCB:
VCC
TFT_CS
SDI (SDA)
...
2
votes
1answer
2k views
5 inch TFT LCD for Arduino
I want to use a 5 inch 800x480 TFT display (touch not needed) with an Arduino (mega, uno or due). I'm thinking of buying this display: link (buydisplay.com). How can I connect this ?
I have also ...
5
votes
2answers
1k views
How to measure resistance of TFT Touchscreen
I'm using a TFT Touchscreen shield with my Arduino UNO, and I'm running "tftpaint" example by Adafruit.
I've noticed that when initializing the Touchscreen object, a resistance value must be provided....
1
vote
2answers
3k views
mcufriend 2.4 TFT with ESP8266
I have this TFT:
Now, the problem is, I will not use this as a shield (i.e. I will not just put it on top of an Arduino Uno). I will use it with an ESP8266 (NodeMCU). I want to know how to wire them ...
0
votes
1answer
81 views
Drawing specific RGB on touch screen
I have the Arduino MEGA and an adafruit touch screen 2.8 inches.
My goal is to draw a pixel given a specific RGB
I am using the ILI9341, GFX, and TFT.h libraries to draw and control the touch screen....
0
votes
1answer
77 views
2.8 Touchscreen does not work with Proto Screw Shield
I am using the Arduino Mega and the 2.8 touch screen by Adafruit, and I can't get the screen to work on my Proto R3 Screw Shield
Here are the tools I am using:
2.8 inch touch screen
Proto R3 Screw ...
-1
votes
1answer
95 views
Drawing bitmap on TFT
So, my .ino file is like this (do not worry about TftDisplay library, it totally works fine and myDrawPixel function just calls the adafruit drawPixel function):
#include "TftDisplay.h"
#include <...
-1
votes
1answer
2k views
ST7735 display with esp32
I have edited the adafruit ST7735 library so that it supports esp-32.I made some edits in Adafruit_ST7735.h file. which are as follows.
The code works fine but I had expected the screen to work ...
0
votes
1answer
4k views
ESP-32 with tft display
I recently got a Adafruit TFT screen and an ESP-32 development kit. I was trying to interface these two the pin connections I used areas follows:
TFT | ESP-32
------+----------
3V3 | Vcc
Gnd ...
2
votes
1answer
3k views
Arduino Video player?
I want to play video from SD card by using arduino mega 2560 and TFT 3.2" touch screen is it possible ?
if yes please tell me.
thanks in adavance
-8
votes
1answer
195 views
Unable to boot Windows 10 iso file on arduino uno [closed]
I copied Windows 10 iso image on sd card and attached in sd card reader. I connected sd card reader to arduino uno.
And I also connected TFT display. I uploaded program to read iso file from sd card ...
0
votes
0answers
391 views
white screen : 2.8" TFT LCD Screen Module: HY-280TFT
i have a problem with my new 2.8" TFT LCD Screen Module HY-280TFT.i connect it with an Arduino Uno board like this way:
Connect HY-TFT280 to Arduino UNO
LEDA -> 5V
LEDK -> GND
VCC -> 5V
RD -> 3.3V
...
0
votes
1answer
528 views
SPFD5408 for TFT in Arduino Due
I have interfaced HC024071 TFT Display with Arduino Due using SPFD5408 Adafruit library. It works perfect.
But using the same library with Arduino Due (with pin connections modified as follows):
// ...
4
votes
0answers
713 views
Arduino UNO with NRF24l01 + touch screen [closed]
I have an Arduino UNO, a NRF24L01 as receiver (receive data from elsewhere), and this touch screen from Adafruit for display and control.
The Adafruit TFT is a shield so it fits the UNO perfectly.
...
1
vote
0answers
80 views
Bug read an image from SD card and draw it on TFT
I have developed a code to read an image stored on my SD Card and display it on a TFT. I can read the image from the SD Card successfully but I cannot draw it on the TFT. I dunno where is the bug.
...
-1
votes
1answer
171 views
Use a 2.8" TFT with my Leonardo
for 2.8" diagonal color touchscreen TFT:
Readme states:
"Works with any classic Arduino '328. Solder closed three jumpers to use the ICSP header for use with Leonardo or Mega"
What should I solder? ...
1
vote
1answer
2k views
Connecting multiple TFT panels to Arduino Uno via SPI?
Is it possible to connect more than one TFT screen (like this one or similar: https://www.adafruit.com/products/1651) to an Arduino Uno?
I'm wanting to connect and control two color screens at once; ...
0
votes
1answer
135 views
I just bought a TFT screen is it still possible to use the serial port 1 and 0?
so I have a question regarding the TFT touch screen... I would like to use the serial ports 1 and 0 (on my UNO) to transmit data to my mega... however it take up those ports. on the back of it, it ...
