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Newest 'lcd' Questions - Arduino Stack Exchange
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Learn more about TeamsQuestions tagged [lcd]
LCD stands for "Liquid Crystal Display" and is commonly known as a screen. The tag should be used for questions related to LCD display.
556 questions
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1
vote
0
answers
66
views
SB Components Micro RP2040 and ST7789 2.4 TFT LCD SPI display not working together using any library
I have a Micro RP2040 board from SB Components. Link to this product
With this I also have a 2.4 inch SPI TFT LCD screen with an ST7789 controller Link to the screen, it's on that page just scroll ...
1
vote
1
answer
223
views
LCD display connection without a resistor
Can run a LCD without a potentiometer or a resistor?
I don't have any.
Here it said to connect both:
-1
votes
1
answer
99
views
I2C Scanner does not recognize LCD screen with 1602 I2C module
I'm sorry to ask this, as it has been asked many times, but I can't get the Arduino micro board to recognize my LCD screens. I've tried using two different LCD screens and two different Arduino micros....
0
votes
0
answers
109
views
1
vote
1
answer
194
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Need help with programing the LCD for my project
I am trying to make a digital die for my project at school. I am having trouble with the programming. I don't really know how to write code and I am not a programmer.
I took inspiration from a post on ...
-1
votes
1
answer
123
views
1602 16×2 LCD display is not lighting up for my Automatic watering system project
I'm working on a project to create an automatic watering system using an Arduino Uno R3 board, a 16x2 LCD display, a water pump, and a soil moisture sensor. However, I've hit a roadblock and could ...
0
votes
2
answers
224
views
Why does my Arduino show weird characters with my code?
When I had the code run just the LCD it worked perfectly fine, but when I added an HC-SR04 without changing the text it showed weird characters. All I had the code do with the HC-SR04 was print it in ...
1
vote
0
answers
221
views
LCD Wiki screen (ILI9341) works on Mega. How to get it working on the Due?
I have this exact LCD shield: https://www.lcdwiki.com/2.8inch_Arduino_Display
SKU: MAR2808
Driver IC: ILI9341
It works on an Arduino Mega 2560 using the old libraries the manufacturer (I assume) ...
3
votes
1
answer
291
views
Print text at any Y-value on SSD1306?
I'm attempting to print several rows of text, at certain Y-values, on an SSD1306 128x64 LCD display.
I'm using the ssd1306 library by Alexey Dynda. I initially wanted to use the more common LCD ...
2
votes
2
answers
614
views
LCD I2C connection problems
I am hoping there is a simple fix to this problem.
I am playing around with a 16x2 lcd with a I2C connector attached. I wired it up to an elegoo uno R3.
I started with some code I've used before and ...
0
votes
1
answer
262
views
Speedometer for car [closed]
I want to build a speedometer for a car using Arduino UNO.
For the display, I'm using an LCD screen that will be located behind the steering wheel.
For context, I'm building the speedometer for a ...
2
votes
1
answer
157
views
Arduino code intermittent
I have an alarm for "tea time", "lunch time" and "tea time". It works well at times but occasionally it gets stuck on the alarm not resetting, other times it does not ...
2
votes
3
answers
1k
views
Display images on Arduino LCD screen from PC
I am new to arduino and I am wondering if it is possible to store image data on my computer and send it to my arduino over the USB cable (which is also used for power) to display on a TFT LCD display ...
1
vote
0
answers
1k
views
LiquidCrystal_I2C, lcd.begin() causes runtime error on Arduino Mega2560
I have tested the library and LCD with simple script and everything worked fine. Now I am trying to add the LCD functionality to my working program but the code reaches the lcd.begin(); function it ...
2
votes
0
answers
107
views
How to show repeated result on LCD while button is pressing
my results are here.
0 press--"a"
1st press--"b"
2nd press--"c"
3rd press-- still showing "c"
When button pressed 3rd time, It must be repeated to show "a&...
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