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How to Interface a 4.3" TFT LCD (PCB4301MS V1.1) with ESP32 using TFT_eSPI Library?"

I'm trying to interface a 4.3" TFT LCD module (PCB4301MS V1.1) with an ESP32 using the TFT_eSPI library. I've connected the pins according to the TFT_eSPI User_Setup file, but the display isn't ...
EMPEROMAN EMP's user avatar
2 votes
0 answers
1k views

LovyanGFX library not working anymore (ESP-32)

I am trying to restore an old project and make a code that used to run compile again. However, I am always getting this error, which is from the LovyanGFX graphics library: Compilation error: '...
Κωνσταντίνος Κ.'s user avatar
-1 votes
1 answer
478 views

I want to attach oled 1.3" to nodemcu esp32s

I want to attach oled 1.3" SH1106 to nodemcu esp32s I used this library (https://github.com/wonho-maker/Adafruit_SH1106) but it says "adafruit_sh1106.cpp:29:26: fatal error: avr/pgmspace.h: ...
SaeedAfshari's user avatar
0 votes
2 answers
1k views

Why dose my OLED Display don't work with ESP32?

Hello maybe somebody could help me. I try to display Text on my OLED Display with my ESP32. I used this guide. I downloaded every libary and wired it all correct, but still my OLED show this: Display ...
Julian Pichler's user avatar
-1 votes
1 answer
181 views

Arduino MEGA, LCD and SSR is frozen after 24 hours

I'm going to tell you my problem with arduino. I am making an access rfdi system to enable a water pump, the procedure is as follows: I bring the rfid keyring closer to the reader, I make a sql query ...
Agu's user avatar
  • 1
2 votes
5 answers
18k views

Why isn't my I2C LCD Display is not displaying any letter?

The LCD that I bought is not working and I don't know why! When I upload the code, the display just lights up but it does not show a thing! Any help? My LCD Model: 1602A with I2C (16x2) Like this one ...
Giga Blitz's user avatar
0 votes
1 answer
619 views

code line lcd.scrollDisplayLeft (); no working

I use the library "LiquidCrystal_I2C.h" and "Wire.h". The code line lcd.scrollDisplayLeft (); does not run the function. Do I need to put this before / after the Lcd.print? Should I put in after ...
אוריה דניאלי's user avatar
1 vote
1 answer
298 views

Why is code for Arduino LCD messing up code for Stepper Motor?

I have a basic code for a stepper motor which is shown below, but for some reason whenever I try to add the code for my 2 LCDs it messes everything up. The output to the motor just keeps firing over ...
David J's user avatar
  • 49
0 votes
1 answer
583 views

Arduino Analog joystick button looks always pressed after the first time

I have problems in the BrainTest() function When I load it the starting text doesn't appear on the LCD, it goes straight to the: if (button == 0) { lcd.clear(); lcd.setCursor(0,0);...
Spyro 999's user avatar
0 votes
1 answer
32 views

Problems while loading a function

I have a problem when I try to load the "BrainTest" function in the "AppSelect" function. I have created a method to notify me on the serial monitor and on the LCD screen when a loading error occurs. ...
Spyro 999's user avatar
0 votes
1 answer
2k views

Arduino the void loop() function isn't looping

I'm new to Arduino and I wrote the beginning a code that is supposed to play games read stories and more on an LCD display. Here's my code #include <LiquidCrystal.h> // Arduino pins number ...
Spyro 999's user avatar
-1 votes
1 answer
2k views

Unable to display variable value in 16x2 LCD with Arduino

I am trying to get sensor input into my program and display it in a 16x2 LCD Display. I have two proximity sensors where the time difference between the two inputs is calculated and used in a formula. ...
kevin_444's user avatar
0 votes
0 answers
71 views

Error in passing string variable in arduino uno in Watterott MI0283QT-2lcd display

I am trying to use Watterott MI0283QT-2 display with arduino uno. When I pass value to lcdDisplay. The below code is working fine and displaying "Hello World" lcd.fillScreen(RGB(255,255,255)); lcd....
Rajat Sharma's user avatar
0 votes
2 answers
83 views

Printing top three repeated elements in LCD display

I have an array whose input is given by the user by using keypad. All the inputs are stored in an array named storeKeys. The index of the array is held by a variable storeKeysIndex is initialized to 0 ...
Sri Harsha's user avatar
2 votes
1 answer
13k views

meaning of setCursor(X,Y) coordinates

This example sketch shows how to use the setCursor() method to reposition the cursor. To move the cursor, just call setCursor() with a row and column position. For example, for a 2x16 display: lcd....
Reshu Singh's user avatar

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