DIYUSER 2.25-inch ST7789 TFT LCD Review: Budget SPI Display
What People Say
The screen is surprisingly bright and the color reproduction is much better than other cheap modules I've bought.
Perfect size for my custom ESP32 audio controller project; the SPI connection was very straightforward to set up.
Great value for money. It's a niche size, but exactly what I needed for my desktop CPU monitor.
Problem & Solution
Finding a high-quality, ultra-wide aspect ratio screen for custom dashboard projects or compact UI controllers can be frustrating. Most standard displays are either too bulky or lack the specific dimensions needed for sleek, modern enclosures. This often leaves DIYers settling for generic, square screens that ruin the aesthetic of their custom builds.
The DIYUSER 2.25-inch ST7789 module solves this by offering a unique 76x284 resolution in a full-view format. It provides the perfect "bar-type" form factor for status monitoring, media players, or custom smart home interfaces, all while maintaining a budget-friendly price point that doesn't compromise on visual clarity.
Who Is It For?
This display is perfect for Arduino, ESP32, and Raspberry Pi enthusiasts who specialize in custom handheld devices or desktop monitoring widgets. It is designed for makers who prioritize space-saving designs without sacrificing the professional look of a vibrant, full-color TFT display.
Key Features
- 2.25-inch Full View TFTCrisp, vibrant visuals from almost any angle for better readability.
- ST7789 Driver ChipIndustry-standard compatibility with most popular microcontroller libraries.
- SPI InterfaceSimple 4-wire connection that saves precious GPIO pins on your development board.
- 76x284 High ResolutionPerfect 'bar-style' aspect ratio for custom gauges and status bars.
- Ultra-Compact DesignFits into tight, low-profile enclosures where standard screens won't fit.
- Low Power ConsumptionIdeal for battery-operated portable projects and wearable tech.
Pros & Cons
Pros
- Extremely affordable at just $3.62
- Unique aspect ratio for creative UI designs
- Easy integration with standard Arduino TFT libraries
- Wide viewing angles ensure colors stay accurate
Cons
- Requires specific library configuration for the non-standard resolution
- Small size may be difficult to read for those with vision impairments
FAQ
Yes, it works well with Arduino and ESP32 using common libraries like TFT_eSPI.
No, it uses a standard SPI interface, requiring only a few wires for data and power.
Its long, thin form factor makes it ideal for status displays, volume meters, or text-based dashboards.
Final Verdict
The DIYUSER 2.25-inch ST7789 LCD is a fantastic value for the price. While it requires a bit of setup to handle its unique resolution, the visual payoff for custom status bars and compact gauges is well worth the effort. It is an essential component for any maker looking to add a professional, modern touch to their DIY electronics.