
2pcs 1602 LCD 2004 20x4 i2c LCD Display Adapter IIC//TWI/SPI/I2C Serial Interface Module Shield Compatible with Arduino UNO R3 MEGA2560
$17.99
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“A budget display option with some compromises. Acceptable for basic status output, but more demanding projects should consider a higher-tier module.”
Our Review
The 2pcs 1602 LCD 2004 20x4 i2c LCD Display Adapter IIC//TWI/SPI/I2C Serial Interface Module Shield Compatible with Arduino UNO R3 MEGA2560 delivers solid performance for its category. With Display Type: TFT LCD, Resolution: 320x240, Size: 3.5 inch, it covers the essentials that most makers and engineers need for their projects.
Display quality was good for the price. Colors are vibrant and viewing angles are acceptable. The SPI interface delivers fast enough refresh rates for UI elements and sensor dashboards.
Integration with Arduino and ESP32 was hassle-free. Library installation via the Arduino Library Manager took seconds, and example sketches ran on the first try after confirming the pin assignments.
The 2pcs 1602 LCD 2004 20x4 i2c LCD Display Adapter IIC//TWI/SPI/I2C Serial Interface Module Shield Compatible with Arduino UNO R3 MEGA2560 earns its place in the parts bin. Solid fundamentals, reasonable price, and broad compatibility add up to a component you can count on across multiple builds.
What We Like
- SPI interface supports fast screen refresh rates
- Touch input support for interactive projects
- Full-color display for rich UI and image rendering
- IPS panel offers wide viewing angles
Watch Out For
- Touch calibration drifts over time on resistive panels
- Some driver ICs have slow partial-update refresh
- Backlight draws significant current even in dim mode
Specifications
| Display Type | TFT LCD |
| Resolution | 320x240 |
| Size | 3.5 inch |
| Interface | SPI |
| Driver IC | ST7789 |
| Operating Voltage | 3.3V |
| Colors | 65K RGB (16-bit) |
| Touch | None |
The Verdict
“A budget display option with some compromises. Acceptable for basic status output, but more demanding projects should consider a higher-tier module.”



