Matrix Rain Effect on TFT Kit with Arduino Uno
Build the Matrix Rain Effect on a 1.8” TFT Display with Arduino Uno – Learn Sprite Rendering
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
The Matrix digital rain is one of the most iconic visual effects in pop culture. With this kit, you’ll recreate that hypnotic cascade of green characters on a 1.8-inch TFT display at full resolution, while mastering the core technique of sprite rendering on an Arduino Uno. It’s the perfect blend of retro coding art and modern embedded skills for students and hobbyists eager to move beyond blinking LEDs.
What You'll Build
You’ll program an endless animation where random characters fall vertically, exactly like the movie’s code rain. Each frame updates a sprite layer on the ST7735 display, giving you a smooth, flicker-free result. By the end, you’ll have a standalone portable art piece powered by a 9V battery that you can tweak endlessly.
What You'll Learn
- Interface the 1.8” ST7735 TFT display with Arduino Uno using SPI communication
- Implement sprite rendering: drawing, erasing, and repositioning character glyphs for fluid animation
- Use random number generation to control fall speed, start position, and character selection
- Configure a simple portable power setup with a 9V battery snap for standalone operation
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Uno R3 | 1 |
| 1.8in TFT ST7735 | 1 |
| 10kΩ Resistors | 5 |
| 100nF Capacitors | 5 |
| 400-pt Breadboard | 1 |
| M-M Jumper Wires | 20 |
| 9V Battery Snap | 1 |
Why Buy This Kit Instead of Sourcing Parts Separately
| Factor | Sourcing Separately | Compoden Kit |
|---|---|---|
| Compatibility checks | You verify every part | Pre-tested as a system |
| Build support | Forums and scattered tutorials | AI companion trained on this exact project |
| Time to first working build | Days of debugging | Hours, with step-by-step guidance |
| Shipping coordination | Multiple sellers, multiple delays | One shipment from Bengaluru in 3-5 days |
Who This Kit Is For
This kit is tailored for Indian students and makers: CBSE Class 11-12 working on computer science or electronics projects, B.Tech ECE/EEE first-years exploring embedded displays, and ATL Tinkering Lab innovators. It also fits Smart India Hackathon demos and tech fest entries at IITs, NITs, or VIT where a visual, self-contained electronics project creates immediate impact.
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.
What if I get stuck during the build?
The AI companion, accessible via QR code, walks you through every wiring and coding step. You can also send a photo or question via WhatsApp — our team responds within hours to get you unstuck.
Do I need prior experience with TFT displays or sprite rendering?
No prior TFT experience is required. The companion starts from scratch, covering SPI connections and the sprite logic. Basic familiarity with the Arduino IDE is helpful but not mandatory; the code is clearly commented.
Can I customize the Matrix effect with different characters or colors?
Yes. The sprite-based approach lets you easily swap the falling character set, change the green shade to any color, or adjust speed. The source code is open for you to experiment, making it a launchpad for your own display projects.
Is the 9V battery included to power the standalone display?
The 9V battery is not included due to shipping regulations, but the snap connector is provided. Just attach any standard 9V battery and your Matrix rain will run without a USB cable.
1.8in TFT renders Matrix-style cascading green characters at full resolution. Teaches sprite rendering.
What's in this kit
- Arduino Uno R3
- 1.8in TFT ST7735
- 10kΩ Resistors x5
- 100nF Caps x5
- 400-pt Breadboard
- M-M Wires x20
- 9V Battery Snap
Other projects you can build
Shipping Information
- Prepaid Orders: ₹75 for orders up to ₹999, FREE shipping above ₹999
- COD Orders: ₹125 shipping + ₹50 COD fee = ₹175 total
- Delivery Timeline: Dispatch in 1-2 days, delivery in 2-7 days depending on location
Returns & Warranty
- 7-Day Return: Manufacturing defects only (approval required)
- Warranty: 7 days from delivery
- Non-Returnable: Batteries, consumables, cut wires, clearance items