Questions tagged [display]
A visual output device typically capable of displaying text and/or graphics. Can include various technologies, such as LCD (liquid-crystal display), OLED (organic light-emitting display), and EPD (electronic paper display).
242 questions
-1 votes
1 answer
111 views
Difference between using GND and digital LOW for 7-segment display pin
I am using this 4-digit 7-segment display. So my circuit is basically 220 ohm resistors for all the segments (display pins 6 through 16 on the bottom each go through a resistor before going to a ...
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0 votes
2 answers
138 views
LED Matrix for Arduino R4 Wi-Fi specific functions
I'm searching for the path and the source code for the builtin (I think) function, name is: renderBitmap(). This function appears as a member of the ArduinoLEDMatrix class but its name doesn't appear ...
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0 votes
1 answer
177 views
Wiring of Wemos/LOLIN D1 mini and 2.13" Tricolor e-Paper?
I'm just about starting with Arduino, ESP8266, etc. The first project would be to get something diplayed on an e-paper. My hardware: LOLIN D1mini V4.0.0 Tri-Color ePaper 2.13 (SSD1680) Shield ...
- 105
0 votes
1 answer
557 views
How Can I Get My ESP32 to Work with a 3.5-inch ILI9486-Based RPi Display Using SPI in Arduino IDE?
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 ...
- 111
-1 votes
1 answer
215 views
How do I fix display showing random pixels on ST7789V2 LCD Module?
Problem Description: I’m trying to interface a Waveshare 1.69-inch LCD module (ST7789V2 driver, 240x280 resolution) with an Arduino UNO board. I’ve connected all the necessary ports as per the ...
- 1
0 votes
1 answer
305 views
SSD1306 i2c OLED display - not able to show images properly
So I am using this 0.96" i2c yellow/blue OLED display: https://www.makerhero.com/produto/display-oled-0-96-i2c-azul-amarelo/ and an Arduino UNO clone. I have generated an image using this site ...
- 123
2 votes
2 answers
1k views
TM1637 Decimal points
I am using the following TM1637 board with an Arduino Pro Micro clone. I am attempting to use the "TM1637Display Library" written by Avishay Orpaz, but I cannot find any way to use the four ...
- 113
0 votes
1 answer
1k views
How to connect TFT screen (ST7735S) to Arduino?
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 ...
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2 votes
0 answers
648 views
GPS speedometer with NEO 6M - latency issue
I have built a speedometer, based on this youtube video: https://www.youtube.com/watch?v=gKuJxjxNP-k&t=34s The speedometer is for a car, so it needs to be in real-time and accurate, with the ...
- 31
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
792 views
display.begin(); function breaks working code
I've been setting up a system using an Arduino Uno board that reads from both an Adafruit MPU6050 6-way gyroscope and accelerometer and an Adafruit NAU7802 connected to a load sensor. I have code for ...
2 votes
1 answer
64 views
Having issues understanding what "#define GET_STATUS" does
I am trying to use a Waveshare 4.2inch e-paper display with an Adafruit Feather Adalogger M0, but am having issues with two separate instances of #define GET_STATUS being defined differently in ...
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1 vote
0 answers
97 views
How to create 2 individual daisy chains using the MAX7219 Module and Mega2560
I am using MAX7219 8 digit 7 segment displays with Arduino Mega2560. Now, I have to physically space out the displays far from each other. Hence, after a certain distance the displays on the far end ...
- 21
1 vote
0 answers
121 views
Running a 5V, 4pin pwm fan with Mega2560
I have a Mega2560 and would like to use it to power a single fan and display. The fan is a 5V fan that draws 260mA and I can't find power specs for this display. I can't find a clear answer for how ...
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0 votes
1 answer
2k views
How to scroll text on an OLED display using only the SSD1306Wire library?
I'm a 13 years old boy and I am doing a project with esp01 and an OLED screen to display project ideas on the OLED with the ChatGPT API. The answer is displayed on the OLED but I would like it to ...
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