
HiLetgo 0.91" IIC I2C Serial OLED LCD Display SSD1306 128x32 3.3V/5V AVR PIC STM32 Arduino
$13.99
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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
After integrating the HiLetgo 0.91" IIC I2C Serial OLED LCD Display SSD1306 128x32 3.3V/5V AVR PIC STM32 Arduino into several test builds, we found it to be a capable component for the price. Key specs include Display Type: OLED, Resolution: 128x64, Size: 0.91 inch.
Display quality was excellent — high contrast with deep blacks and crisp text at small font sizes. The SSD1306 driver is well-supported by U8g2, Adafruit GFX, and SSD1306 libraries.
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 HiLetgo 0.91" IIC I2C Serial OLED LCD Display SSD1306 128x32 3.3V/5V AVR PIC STM32 Arduino 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
- SSD1306 driver supported by Adafruit and U8g2 libraries
- Wide viewing angles without color shift
- Crisp text rendering at small font sizes
- I2C interface requires only 4 wires
Watch Out For
- Organic pixels degrade over thousands of hours at full brightness
- Fragile glass panel cracks if flexed
- I2C bus speed limits refresh rate for animations
Specifications
| Display Type | OLED |
| Resolution | 128x64 |
| Size | 0.91 inch |
| Interface | I2C |
| Driver IC | SSD1306 |
| Operating Voltage | 3.3V |
| Colors | Yellow/Blue dual |
The Verdict
“A budget display option with some compromises. Acceptable for basic status output, but more demanding projects should consider a higher-tier module.”



