Model No. WEO012832F
►Type: Graphic
►Structure: COG
►Size: 0.91 inch
►128x32 Dot Matrix
►IC：SSD1306
►3V Power supply
►1/32 duty
►Interface: I2C
►Display Color: White / Yellow / Sky Blue
The Winstar WEO012832F is a small, high-performance 128x32 I2C OLED display, ideal for a wide range of applications, including wearable devices, handheld instruments, and IoT systems. With a diagonal size of just 0.91 inches, this graphic OLED display delivers excellent clarity and a high contrast ratio, making it perfect for compact devices that require sharp visual performance.
Designed with the SSD1306 controller, the WEO012832F supports the I2C interface, offering a simple and reliable communication method. This display module operates at a low power consumption, making it suitable for battery-operated devices and energy-efficient applications. The module features a 14-pin FPC pinout and can be powered by a single 3V supply, supporting both internal charge pump supply and external VCC options.
Compared to the WEO012832D model, the WEO012832F has a different pin assignment but retains the same compact mechanical dimensions. This display is lightweight, easy to integrate, and supports an operating temperature range from -40℃ to +80℃, with storage temperatures from -40℃ to +85℃, ensuring reliability across various environments.
The WEO012832F is available in three colors: White, Yellow, and Sky Blue, offering versatile display options for various applications, including home automation systems, medical devices, automotive displays, and energy monitoring systems. Its small footprint and efficient performance make it the ideal choice for projects where space is limited but display quality is essential.
| Item | Dimension | Unit |
|---|---|---|
| Dot Matrix | 128 × 32 | Dots |
| Module dimension | 30.0 × 11.5 × 1.26 | mm |
| Active Area | 22.384 × 5.584 | mm |
| Pixel Size | 0.152 × 0.152 | mm |
| Pixel Pitch | 0.175 × 0.175 | mm |
| Display Mode | Passive Matrix | |
| Display Color | Monochrome | |
| Drive Duty | 1/32 Duty | |
| IC | SSD1306 | |
| Interface | I2C | |
| Size | 0.91 inch | |
| Parameter | Symbol | Min | Max | Unit |
|---|---|---|---|---|
| Supply Voltage for Logic | VDD | 0 | 4.0 | V |
| Supply Voltage for Display | VCC | 0 | 16.0 | V |
| Operating Temperature | TOP | -40 | +80 | °C |
| Storage Temperature | TSTG | -40 | +85 | °C |
| Item | Symbol | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage for Logic | VDD | － | 2.8 | 3.0 | 3.3 | V |
| Supply Voltage for Display | VCC | － | 7 | 7.25 | 8 | V |
| Input High Volt. | VIH | － | 0.8×VDD | － | VDDIO | V |
| Input Low Volt. | VIL | － | 0 | － | 0.2×VDD | V |
| Output High Volt. | VOH | － | 0.9×VDD | － | VDDIO | V |
| Output Low Volt. | VOL | － | 0 | － | 0.1×VDD | V |
| Operating Current for VCC (VCC Supplied Externally) | ICC | Vcc =7.25V | － | 7 | 11 | mA |
| No. | Symbol | Function |
|---|---|---|
| 1 | C2P | Positive Terminal of the Flying Inverting CapacitorNegative Terminal of the Flying Boost CapacitorThe charge-pump capacitors are required between the terminals. They must be floated when the converter is not used. |
| 2 | C2N | |
| 3 | C1P | |
| 4 | C1N | |
| 5 | VBAT | Power Supply for DC/DC Converter Circuit This is the power supply pin for the internal buffer of the DC/DC voltage converter. It must be connected to external source when the converter is used. It should be connected to VDD when the converter is not used. |
| 6 | NC | No connection |
| 7 | VSS | Ground of Logic Circuit This is a ground pin. It acts as a reference for the logic pins. It must be connected to external ground. |
| 8 | VDD | Power Supply for Logic This is a voltage supply pin. It must be connected to external source. |
| 9 | RES# | Power Reset for Controller and Driver This pin is reset signal input. When the pin is low, initialization of the chip is executed. |
| 10 | SCL | I2C mode is selected, D2, D1 should be tied together and serve as SDAout, SDAin inapplication and D0 is the serial clock input, SCL. |
| 11 | SDA | |
| 12 | IREF | Current Reference for Brightness Adjustment This pin is segment current reference pin. A resistor should be connected between this pin and VSS. Set the current lower than 12.5μA. |
| 13 | VCOMH | Voltage Output High Level for COM Signal This pin is the input pin for the voltage output high level for COM signals. A capacitor should be connected between this pin and VSS. |
| 14 | VCC | Power Supply for OEL Panel This is the most positive voltage supply pin of the chip. A stabilization capacitor should be connected between this pin and VSS when the converter is used. It must be connected to external source when the converter is not used. |
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