All Questions
Tagged with arduino-mega lcd
46 questions
1
vote
2
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197
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LCD TFT 2.4"" changes the values of analog read of Arduino Mega
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 ...
1
vote
0
answers
118
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Arduino Mega with Sensors and tftlcd 2.4 inch
I am working with tftlcd 2.4 inch with Arduino mega 2560 board. In this code I just want to show clock as my default or home screen. By clicking on clock at any point on screen user should get a new ...
- 53
1
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0
answers
134
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Arduino LCD only display image for few second and turn screen to white
I have a problem with my Arduino and LCD touch screen. I create a few functional button in my Arduino. One of the button is START button. Right now, I want the image is display when I touch START ...
- 11
2
votes
1
answer
2k
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ST7920 and u8g2 only using some of a 128x64 display
I am trying to use the u8g2 library and an Arduino Mega to control an LCD display. Adapting HelloWorld from the examples included in the library to use the SPI ports of the Mega (50-52), I have the ...
- 21
2
votes
1
answer
176
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I want a bar type display for my Arduino Project
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 ...
- 65
1
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2
answers
1k
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How to make a dynamic menu with a sub-menu ( Arduino mega or Arduino Uno)
I have an arduino mega with a LCD shield (from keyestudio KS2056). I am trying to create a menu with a submenu that would have addable and removable strings based on inputs from a RFID scanner(addable)...
- 19
0
votes
1
answer
2k
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Use JYETech 2.4 Inch LCD Display Screen Module with Arduino?
I have this JYETech 2.4 Inch LCD Display Screen Module that I would like to use for a project I have in mind, however, I'm not sure how to wire it up with my Arudino Mega. Here is the datasheet for ...
- 41
-2
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1
answer
76
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Can you use a 128 pin LCD on an atMega?
I found a couple old calculators and their LCD's have about 130 pins.
I was wondering if I can build an LCD driver to reduce the number of I/O pins, because I don't want to use like 14 I/O extenders; ...
-2
votes
1
answer
1k
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LCD shield submenu
I need to make an app that does various functions regarding IR signals (remote-like)
I need to create a sub menu in order for me to access multiple functionalities.
Arduino-Uno-Menu-Template
I used ...
- 15
0
votes
2
answers
2k
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lcd.clear doesn't work with Serial.begin(9600) on Arduino Mega 2560
So I have a standard 16x2 LCD display with 16 pins. The LCD display works fine with every other aspect, however, the "lcd.clear" function doesn't work with "Serial.begin(ANY BAUD)". I have tried ...
- 101
0
votes
2
answers
81
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Cannot make LCD & Gyro work together
I'm new to this so there are some poor methods in my code when I try to introduce the LCD into the loop. My issue is that the LCD delay and the servo delay are interfering with each other. How can I ...
- 19
-1
votes
1
answer
118
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Why LCD 16x2 cannot display "water leaking" when rain sensor detects water?
#include <SoftwareSerial.h>
#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
SoftwareSerial mySerial(0, 1);
int gas_sensor = A5;
int water_sensor = 8;
int buzzer = 9;
int ...
0
votes
2
answers
717
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Which LCD Pins, if any, require PWM?
In the Arduino Tutorial Page named "Hello World" aimed to help people connect a 16x2 LCD Display compatible with Hitachi HD44780 driver to an Arduino Uno. The pins used to connect the Arduino Uno and ...
- 67
0
votes
1
answer
92
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How to Create a reference to an External Print object
Right now I have an object:
class Dog
{
public:
Dog(uint8_t I2c, Stream& feedback);
void Speak();
private:
uint8_t _I2c;
Stream& _output;
};
Dog::Dog(uint8_t I2c, Stream&...
- 941
0
votes
2
answers
8k
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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 ...
- 101