Build the Matrix Digital Rain Effect on a 1.8" TFT Display with Arduino Uno

Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.

Transform a blank TFT screen into a mesmerizing cascade of green characters, just like the iconic movie intro. This kit guides you through generating and animating characters on a 1.8-inch ST7735 display using the Arduino Uno, teaching you the core concept of sprite rendering — the foundation of 2D games, digital art, and embedded graphics.

What You'll Build

By the end of this project, you’ll have a fully functional 1.8-inch TFT display running a continuous Matrix-style rain effect. Bright green characters fall at variable speeds down the screen, leaving a fading trail that mimics the classic cyberpunk aesthetic. The code and circuit are yours to keep and remix — add sound, speed controls, or custom character sets for your own spin.

What You'll Learn

• Set up the ST7735 TFT display with Arduino Uno and wire it correctly on a breadboard.
• Understand sprite rendering: how to store character bitmaps, manage frame buffers, and update screen regions without flicker.
• Program random character generation, cascading columns, fading trails, and variable speed animation loops.
• Troubleshoot common display issues, power requirements, and optimize code for smooth visuals.

Kit Contents

Why Buy This Kit Instead of Sourcing Parts Separately

Who This Kit Is For

This kit is perfect for CBSE Class 11–12 students exploring embedded systems or display programming, B.Tech ECE/EEE undergraduates working on mini projects, and ATL Tinkering Lab members who want to add visual flair to their Arduino creations. It’s also ideal for Smart India Hackathon participants needing a compact display module that teaches fundamental graphics concepts.

Built and Backed by Compoden

Every Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.