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Questions tagged [tft]

A thin-film transistor (TFT) screen

21 questions with no upvoted or accepted answers
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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. ...
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54 views

Esplora: Connecting a 2-Wire Speaker to Arduino Esplora

I am currently trying to make a simple game system with my Arduino Esplora, however I have noticed something. The Arduino Esplora has no pins for a 2-pin speaker that I get from a RadioShack store (...
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0answers
71 views

Looking for hardware - 3.5" TFT with capacitive touch

I'm looking for a 3.5" display (480x320) with a capacitive touch attached. Anyone have some experiences? I want to drive the display with 8bit. If there are existing libraries that would be highly ...
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28 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, ...
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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. ...
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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 ...
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37 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 ...
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39 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 ...
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164 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 ...
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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.
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267 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 ...
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1answer
219 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 ...
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100 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 // ////////...
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1answer
3k 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 ...
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1answer
335 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 ...
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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 ...
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696 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 ...
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477 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) ...
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0answers
396 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 ...
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1answer
96 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 <...
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1answer
173 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? ...