Dear All, At first, happy new year! I use Arduino's to manage a model railway circuit. I need to read a lot of sensors, change the direction of the turnouts, calculate if a train can run or stop. For doing that I need a lot of variables and I have to trace them and of course print and format them…

Hi @alain9080 See if this helps: [image] Turn your Uno into a VGA output device! Displays After playing with the MicroVGA card, I was wondering if it was possible to simply output VGA video directly from the Uno? And it turns out, yes it is ... see photo: [image] This …

Why don't you just use a display like ILI9341 with 240x320 resolution and SPI interface for example? http://www.lcdwiki.com/3.2inch_SPI_Module_ILI9341_SKU:MSP3218

Dear All Thanks a lot for your answer. @ ruilviana: It seems that today the Micro VGA shield is out of stock. I tried to output VGA directly from an Arduino. Of course it is working but need a lot of resources even if i use a secondary Arduino as a slave to manage the Vga output. I need a refresh …

[image] alain9080: Do you know the maximum length of the SPI wires ? I don't know. Maybe you can transmit the data wirelessly and another Arduino with a suitable display can visualize it? Or with ESP8266 and Wi-Fi to watch them on your phone, tablet or laptop.

My goal is just to display data for debugging ! This is why I would like to reuse a basic pc screen 80 * 25! Thanks

Does the display have HDMI? How about using a raspberry pi?

Or an Arduino with a long enough USB cable connected to a laptop and running a program in 'Processing' for data visualization. Welcome to Processing! Processing is a flexible software sketchbook and a language for learning how to code. Since 2001, Processing has promoted software litera…

Hello I have a screen with an HDMI. I started my project there were 6 years ago and at this time i have chosen Arduino. Why because Arduino is more suitable regarding my usage that is an "automat" and need to read / write multiple "bits". And again I just need to trace data during debugging. Tha…

I do not want to use a laptop !

I was not suggesting that you use a raspberry pi for the project itself, but rather as the interface between the arduino and the display. A raspberry pi zero running a VT100 emulator (or similar terminal program) would allow the arduino to send commands over USB / serial / I2C to control what was d…

Screen 80 columns * 25 lines for Arduino

Other Hardware Displays

ruilviana January 4, 2022, 6:28pm 2

Hi @alain9080

See if this helps:

Topic		Replies	Views
VGA display with Arduino Displays	2	841	February 9, 2025
LCD Screen for HMI Displays	8	134	December 23, 2025
VGARDUINO Displays	9	3913	May 6, 2021
Utilizzare un LCD di un pc con Arduino Hardware	15	2174	June 8, 2022
Best display for Arduino Mega 2560 Displays	12	97	April 3, 2026

Screen 80 columns * 25 lines for Arduino

Related topics