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A thin-film transistor (TFT) screen

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I am trying to get the touch screen and display working on my ESP8266 + TFT ST7796S. However, only one of them works at a time. Below is my pin configuration: Function Device NodeMCU Pin GPIO TFT_CS ...
Sandrocottus's user avatar
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I'm working on a project where I need to connect my ESP32 (WROOM) to a 3.5-inch, 480x320 resolution LCD designed for the Raspberry Pi, which uses the ILI9486 driver (as suggested by the lcd wiki). I’m ...
fine line's user avatar
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I am compiling TFT_eSPI library for Arduino ESP32 in 8 bit parallel mode, When I Compile it in SPI mode then no error occurs, but when I select 8-bit parallel mode in User Setup File, then it shows ...
Adil Ahmed's user avatar
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I'm trying to create an arduino code that returns a value for the button that was pressed as the user choice. However, whichever button I press the only return is 2. Also, whenever pressing other ...
GIOVANNE LUCAS BARRETO PINHEIR's user avatar
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I am using STM32 and 3.5 inch TFT display (Waveshare ILI9486) and I want to display an image and I have connected the SD card. How to do using the Arduino IDE? For now I am trying to fetch a word from ...
Sharan k's user avatar
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I'm learning to work with Arduino and I decided to work with a TFT display (driver ST7735S, I connect to Arduino Uno), but I encountered a problem in the form that my contacts are labeled differently ...
Prog's user avatar
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I am trying to get anything out of this screen except for blackness. The CS pin is present based on the coupling or resistors and capacitors on the back of the display. I have tried using the Arduino ...
Reese Houseknecht's user avatar
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I am trying to connect up to 5 TFT displays to one Arduino Uno R3 and use a multiplexer to control the output to each display. At the moment I am stuck being able to only write to a single one. Every ...
griegs's user avatar
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I am trying to connect about 5 TFT's to my Arduino Uno and I got to the point of hooking two of them up without any issues. However, after a code upload, they stopped working. I then took all the code ...
griegs's user avatar
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I have a 3.5" TFT LCD communicating in parallel connected to Arduino UNO. I expect it draws a white circle on a black background but all it does is to show a white screen. How to fix this? main.c ...
ar2015's user avatar
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I've bought an ESP32 board from here and a 3.5" TFT Screen from here. The ESP32 board has an UNO type layout so I thought it would work with the screen which is designed to plug in and play with ...
hydroxy's user avatar
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I'm new to the field: I'm trying to drive a TFT ST7735S display (this is the model I'm currently using: https://www.amazon.it/dp/B078JBBPXK/ref=pe_24968671_487022601_TE_SCE_dp_1) with an Arduino Mega ...
Luke__'s user avatar
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I'm trying to build a simple device to monitor my heart rate. The components are the following: A TFT 2.8" LCD screen to display relevant information for the user. 3 buttons for the user to ...
Arnau's user avatar
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I need to write and read the measurements received by a sensor on an SD card. The card reading would be to display the data on a TFT screen. Specifically, I am using the 1.8-inch ST7735 screen. To use ...
Libegria's user avatar
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1 answer
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I have an Arduino Due and a 2.4" TFT screen shield this one. I'm trying to turn off the backlight to save power but not having any luck. I'm using the super nice MCUFriend library: #include <...
Jesse Pangburn's user avatar
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I'm building a custom headunit for my motorcycle using the Arduino platform. I wanted to try it as the modular nature of the board and shields looked very versatile. While there does seem to be plenty ...
Mighty Ferengi's user avatar
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I have a salvaged 40-pin TFT touch panel, and I am trying to see if I can control it with an Arduino. What are my chances of getting a driver for it ? I bought a RA8875 Driver Board from Adafruit, but ...
Yu Fan's user avatar
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I have a Arduino Mega with LCD TFT 2.4"" with reading 5v signal on A8 pin (Arduino mega pin) from a raspberry pi (just to test). They are grounded together. When the Arduino is without the ...
Gabriel Lincoln's user avatar
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Hi (Sorry for the long post). The other day I finally found a code that worked on my standard 2.8" TFT LCD by Simkeim, but then I pressed the bottom left corner too hard and the screen went white....
Renier Jr.'s user avatar
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this code runs fine until I add in the if statement surrounding the draw screen() method. upon clicking the screen, the program instantly crashes, turning the screen white. any help would be ...
cptcrabcakes's user avatar
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I have a 2.8" Color TFT Touchscreen from Adafruit, and I'm currently trying to set it up. I've been following this guide to set up the screen. The screen powers on when connected to power, but it'...
Crystal's user avatar
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I'm trying to build an Arduino project where it involves a TFT and an ethernet W5500 component. Here's the project I want to build to learn Arduino. However I wanted to change the board that already ...
JuniorPenguin's user avatar
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Using the .init function for the ST7789 TFT screen prevents my WDT ISR from firing. What explains this behaviour, and is there something I can do? Any other timer ISR I could use instead? #include <...
JCSB's user avatar
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731 views

I bought this TFT display on Aliexpress. It says "MCUDEV_TFT1.44" below the display. I can't find online how to connect it to Arduino. The pins are as follows: BLK RS RST CS SC DI GND VCC ...
OrangeBike's user avatar
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2 votes
1 answer
854 views

I have been looking at the Arduino TFT Library and it supports all the bits and pieces for making a simple display, but I am looking for something a little higher level that has primitive dialog box ...
Rich Maes's user avatar
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Im attempting a device that measures lean angle. I have an ESP8266 + MPU6050 + SSD1306 setup, and I've managed to build a shaky but somewhat functioning device. What Id like to do is use the ...
ar6rider's user avatar
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266 views

I have a Arduinio nano and a ATMEGA168. I'm using the ST7789 library. The sample code which comes with the library runs perfectly and runs the display when using the Nano, but the same code does ...
Rick Dearman's user avatar
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3 votes
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237 views

I'm using an Arduino Due that talks via SPI to an LCD (800x480) with the RA8875 controller chip. The most recent datasheet I could find is: RA8875 datasheet. Everything works as expected when using ...
Sven Onderbeke's user avatar
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666 views

I am developing a product in which i have to use 5 LCDs. The LCD i am using does not contain CS pin. SO i had to use MUX for muxing of complete SPI bus from one LCD to other. But the issue i am facing ...
faiz07's user avatar
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2 votes
1 answer
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Currently I have a setup running an Arduino BME 280 sensor and a 4.3" Nextion screen. What my program does is sent all the calculated values from the BME to numbers and progress bars in my ...
Louis Janse van Rensburg's user avatar
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1 answer
724 views

I am running out of intelligence trying to control a Lolin 2.4 Inch TFT shield. I connected the shield via the official TFT connector to a Lolin D32 Pro. I am using the ILI9341 libary from Adafruit. ...
Max Amende's user avatar
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2 votes
1 answer
709 views

For a project I would like to be able to control my RA8875 display driver as quick as possible using an Arduino due. I started from the Adafruit library and replaces all "digitalWrites" ...
Sven Onderbeke's user avatar
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I don't know whether this is possible or not but is there any way that I can run something similar to Android on a normal TFT. I want to make complex graphics but can't program those complex programs ...
DragonflyRobotics's user avatar
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1 answer
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I am wanting to have a display where I can design the GUI on a program and then somehow transfer it to the display. For the graphics I want to make, it would be really hard to manually write the code. ...
DragonflyRobotics's user avatar
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-1 votes
2 answers
213 views

I have a normal Elegoo TFT 2.8" display shield that also had an SD reader. I am trying to use it as a Nextion display. I want to do this because the Nextion tool allows you to make very nice ...
DragonflyRobotics's user avatar
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1 vote
0 answers
766 views

I have a project in which I control a display using an Arduino Due microcontroller. The user can navigate on the TFT display (RA8875 driver ic) with a rotary enconder/pushbutton. The display shows a ...
Sven Onderbeke's user avatar
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5 votes
1 answer
3k views

I am trying to get the ST7789 TFT display to work with Arduino. I followed online guides for connections and am using the fast library fron github and included workbench ino (https://github.com/...
WildCat's user avatar
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1 answer
197 views

I would like to write a class which utilises another class and it´s member functions. I found out that this is object composition and read some examples of how to do it but it ither doesn´t work for ...
Erik Weisbrod's user avatar
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-2 votes
1 answer
230 views

Datasheet https://github.com/espressif/esp-hosted/files/5190376/ESP-32F.pdf The below code is not working. I can see only White screen #include <Adafruit_GFX.h> // Core graphics library #...
Yang Yu's user avatar
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2 votes
1 answer
199 views

I am trying to make a smart table project. But I have stumbled upon one problem, that is I don't know which display should I use. I need a display that has roughly aspect ratio of 2:1 but also has a ...
shafiyyah's user avatar
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0 votes
3 answers
3k views

i am working on a project on my arduino mega2560. I want to show reading of the sensors on the TFT display, the problem is the text displayed on the screen is mirrored. Since i am very new to arduino ...
Nabeel Hussain Shah's user avatar
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1 vote
1 answer
2k views

I am having an issue in my 1.8" TFT LCD module with SPI interface in Arduino Nano. I keep seeing the white screen on my tft. I have made the following connections using Jumper cables: RST --- ...
Pradeep's user avatar
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1 vote
0 answers
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First, see the schematics (attached). The GPS is working properly when I write code only for reading data from it as below: //Connect with pin 18 and 19 #include <TinyGPS.h> //long lat,lon; //...
Engr.Double_minded's user avatar
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1 vote
0 answers
975 views

I am using Arduino Mega 2560 and I have written code for my GPS module (Neo-6m-0-001/GY-NEO6MV2) and it is working fine independently. I also have written code for Compass module (QMC5883L) which is ...
Engr.Double_minded's user avatar
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1 vote
0 answers
175 views

Newbie here !! Im trying to display the output of my MLX90614 sensor on mcufriend tft display (with arduino UNO). But unable to do so. I can only see the TFT being lit to white color, text -> "Target" ...
vinita's user avatar
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1 vote
0 answers
941 views

For a project of mine I have always wanted to build an electronic load and I am mostly done. However I have found myself stuck at one part that I thought would be simple but has thus only caused ...
athoe's user avatar
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1 vote
5 answers
7k views

I noticed that the TomThumb.h font included in the Adafruit GFX library has characters that have different widths, which is a problem for me because I'm doing text processing that requires characters ...
JingleBells's user avatar
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1 vote
0 answers
365 views

I am using a TFT Touch screen on an Arduino Mega, with UTFT and UTouch libraries. When I use the code below, the text is aligning to right, all the way to the edge of the screen. Is it possible to ...
Andi Stancu's user avatar
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0 votes
2 answers
854 views

I'm trying to stack up Arduino UNO, Ethernet Shield and Waveshare 2.8" TFT Shield. Since I'm new to this I'm mostly doing basic stuff. I successfully manage to get ethernet shield and TFT shield to ...
bennygenel's user avatar
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0 answers
197 views

Warning - Noob question I am trying to follow the instructions provided by the vendor https://learn.adafruit.com/2-8-tft-touch-shield/touchscreen-paint-example to no avail. Specifically: We connect ...
ilakast's user avatar
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