Interface: GND connected to the negative terminal of the power supply, VCC connected to the positive terminal of the power supply, SCL as the clock signal pin, SDA as the bidirectional data communication pin. Features: OLED display offers a wide viewing angle, low power consumption, high contrast, thin profile, fast response time, and broad operating temperature range. Suitable for flexible panel applications. Operation: Supports multiple control commands for adjusting brightness, contrast, and boost circuit on/off. Capable of displaying characters and graphics. Product Name: OLED Display Compatibility: Compatible with standard microcontrollers and development boards Working Voltage: 3.3V–5.5V Interface Type: PH2.0 4-pin terminal Mounting Hole Spacing: 8 mm Mounting Hole Diameter: 4.7 mm Color: As shown in image Material: Plastic Package Includes: 1 × OLED Display Module Note: Color appearance may vary slightly due to lighting conditions and screen calibration. Measurement tolerance: ±1–3 mm.