The Waveshare 3.5-inch GPIO display connects via SPI through the GPIO header — no cables needed.
Table of Contents
How SPI Displays Work
Pixel data transfers bit-by-bit over SPI bus. Slower than HDMI but completely self-contained.
Recommended: Waveshare Aluminum Heatsink for Raspberry Pi 5
Specs
- 3.5-inch, 480×320, ILI9486 controller
- Resistive touch (XPT2046)
- SPI interface, 15-30 FPS
Driver Setup
git clone https://github.com/waveshare/LCD-show.git
cd LCD-show && ./LCD35-showPerformance
- Increase SPI clock to 48-64 MHz
- Use fbcp-ili9341 for 30+ FPS via DMA
- Lightweight window manager for better performance
Projects
- Portable retro console with buttons
- Network monitor showing Pi-hole stats
- Portable weather station
- Digital photo frame
Frequently Asked Questions
Use HDMI and GPIO simultaneously?
Yes, different content on each.
Why slower than HDMI?
SPI bandwidth limited to ~50 Mbps vs HDMI’s gigabits.
Touch with on-screen keyboard?
Yes, install florence or matchbox-keyboard.
Works with Pi Zero?
Yes, popular combo for ultra-compact projects.
Conclusion
The 3.5-inch GPIO display is the ultimate compact screen — no cables, just plug onto GPIO and go.
Browse the full Waveshare collection at Zbotic.in with fast shipping across India.
Add comment