37×8 Smart LED Display Board

Source Code Demo Video Project Files
ESP32 Web UI Adafruit NeoMatrix Dynamic Color Control Auto Day Detection Scrolling & Static Modes Dual-Layer Security Arduino IDE

Started: April 1, 2025

Completed: May 10, 2025

Duration: 6 Weeks

Project Overview

Excited to share a 37×8 Smart LED Display Board built for LDCE's Electrical Department main gate. It runs on an ESP32 hosting its own web interface—no apps or internet needed once you're on Wi-Fi.

Key Features

  • ✨ Fully Dynamic & Customizable: Change content live via browser.
  • 🌐 ESP32 Web UI: Self-hosted, connect & configure without external servers.
  • 🎨 Color Control: Global, per-word, or per-character color selections.
  • 🗓️ Auto Day Scheduling: Unique message for each of the 7 days.
  • 💫 Modes: Supports both scrolling and static displays.
  • 🔐 Dual-Layer Security: Config password stored in hardware for extra protection.

Achievements & Thanks

Built entirely in the Arduino IDE with Adafruit NeoMatrix—thanks to both communities for empowering makers!

Target Audience

  • 🔹Academic institutions & campus facilities
  • 🔹IoT & makerspace enthusiasts
  • 🔹Smart signage integrators
  • 🔹Open-source electronics community