0.66" OLED Display Module with 64x48 Resolution - 4-Pin I2C Version

Product Overview

This ultra-compact 0.66-inch passive matrix OLED display module delivers crisp, high-contrast monochrome imagery in a simple, easy-to-integrate package. Engineered with the reliable SSD1306BZ controller and a straightforward 4-pin I2C interface, this display solution offers excellent readability, wide viewing angles, and very low power consumption for space-constrained applications.

The module features a 64 x 48 dot matrix resolution with individual pixel control, providing clear and sharp graphics for small-form-factor devices. The I2C interface requires only two signal lines (SCL and SDA) plus power and ground, simplifying integration into existing designs. With a simple 4-pin interface (GND, VCC, SCL, SDA) and compact footprint, this display is ideal for wearable technology, portable instruments, and miniature control panels.

Key Features

Ultra-Compact Form Factor – 19.9 x 23.1 x 2.4 mm module size for space-constrained designs
Simple 4-Pin Interface – GND, VCC, SCL, SDA for easy integration
High Contrast OLED Technology – Self-emissive pixels for excellent visibility in all lighting conditions
I2C Serial Interface – Simple 2-wire connection (SCL, SDA) for easy integration
Wide Operating Temperature – -40°C to +80°C for demanding environments
Ultra-Low Power Consumption – Typical operating current of 12mA, ideal for battery-powered devices
Built-in SSD1306BZ Controller – Integrated driver for display control
Monochrome Display – High-contrast single-color output for clear readability
1/48 Duty Drive – Efficient multiplexing for consistent brightness

Technical Specifications

Display Characteristics

Parameter	Specification
Screen Size	0.66-inch diagonal
Dot Matrix	64 x 48 Dots
Active Area	13.42 (H) x 10.06 (V) mm
Pixel Size	0.185 x 0.185 mm
Pixel Pitch	0.210 x 0.210 mm
Display Mode	Passive Matrix
Display Color	Monochrome
Drive Duty	1/48 Duty
Controller IC	SSD1306BZ
Interface	I2C (4-Pin)

Mechanical Specifications

Parameter	Dimension
Module Dimension	19.9 x 23.1 x 2.4 mm
Active Area	13.42 x 10.06 mm
Pixel Size	0.185 x 0.185 mm
Pixel Pitch	0.210 x 0.210 mm

Pin Interface

Pin No.	Symbol	Function
1	GND	Ground
2	VCC	Power Supply Input
3	SCL	Serial Clock Input (I2C)
4	SDA	Serial Data Input/Output (I2C)

Electrical Characteristics (DC)

Parameter	Min.	Typ.	Max.	Unit
Logic Supply Voltage (VDD)	2.8	3.0	3.3	V
Input High Voltage (VIH)	0.8×VDD	–	VDDIO	V
Input Low Voltage (VIL)	0	–	0.2×VDD	V
Output High Voltage (VOH)	0.9×VDD	–	VDDIO	V
Output Low Voltage (VOL)	0	–	0.1×VDD	V
50% Checkerboard Operating Current	–	12.0	20.0	mA

Absolute Maximum Ratings

Parameter	Min.	Max.	Unit
Logic Supply Voltage	0	4.0	V
Display Supply Voltage	0	16.0	V
Operating Temperature	-40	+80	°C
Storage Temperature	-40	+85	°C

Applications

Wearable Devices and Smart Watches
Portable Medical Instruments
Smart Home and IoT Displays
Industrial Control Indicators
Handheld Test Equipment
Consumer Electronics Accessories
Audio Equipment Displays
Miniature User Interface Panels

Key Advantages

Extremely Simple Integration – Only 4 pins (GND, VCC, SCL, SDA) required – minimal wiring
Compact Size – 19.9 x 23.1 x 2.4 mm fits into tight spaces
Wide Temperature Range – Reliable operation from -40°C to +80°C for harsh environments
High Contrast – OLED technology provides excellent readability without backlight
Ultra-Low Power – 12mA typical current consumption, ideal for battery-powered designs
Easy Integration – Standard 4-pin interface with 2.54mm pitch for simple PCB layout
No Backlight Required – Self-emissive pixels reduce power consumption and system complexity