Home Products OLED Module OLED Knob WEO012864Z

Ø 0.96" 128×64 OLED Knob

Model No. WEO012864Z

►Type: Graphic
►Structure: COG
►Size: 0.96 inch
►128x64 Dot Matrix
►3V Power supply
►1/64 duty
►Interface: SPI, I2C
►Display Color: White / Yellow / Sky Blue


WEO012864Z OLED is an extension item of WEO012864D with a control knob. It's a 0.96 inch 128x64 dots COG type OLED display. This OLED Encoder module is built in with SSD1306 IC; it supports 4-line SPI and I2C interface, supply voltage (VCI) minimum 1.65V, maximum 3.3V, 1/64 driving duty.

This WEO012864Z OLED features a rotary switch which is ideal for applications that require a control knob such as smart home applications, intelligent technology devices, audio system, etc. This module can be operated at temperature range from -20℃ to +70℃; its storage temperature ranges from -30℃ to +80℃.



Ø 0.96" 128×64 OLED Knob - WEO012864Z

Data source ref: WEO012864ZLPP3N00000


Interface Pin Function

Pin No. Symbol Description
1 VSS Ground pin.
2 VCC Power supply for panel driving voltage. This is also the most positive power voltage supply pin.
3 VCOMH COM signal deselected voltage level.
A capacitor should be connected between this pin and VSS.
4 VCI Power supply pin for core logic operation
5 NC No connection
6 BS1 MCU bus interface selection pins.
Select appropriate logic setting as described in the following table.
I2C 1
4-wire Serial 0
(1) 0 is connected to VSS
(2) 1 is connected to VCI
7 IREF This is segment output current reference pin.
When external IREF is used, a resistor should be connected between this pin and VSS to maintain the IREF current at a maximum of 30uA.
8 CS# This pin is the chip select input. (active LOW).
9 RES# This pin is reset signal input.
When the pin is pulled LOW, initialization of the chip is executed.
Keep this pin HIGH during normal operation.
10 D/C# When 4-wire serial interface is selected, this pin is Data/Command control pin connecting to the MCU.
In I2C mode, this pin acts as SA0 for slave address selection.
11 D0 These pins are bi-directional data bus connecting to the MCU data bus.
When serial interface mode is selected, D0 will be the serial clock input: SCLK; D1 will be the serial data input: SDIN and D2 should be kept NC.
When I2C mode is selected, D2, D1 should be tied together and serve as SDAout, SDAin in application and D0 is the serial clock input, SCL.
12 D1
13 D2
14 NC No connection
15 NC No connection
16 NC No connection
17 VCC Power supply for panel driving voltage. This is also the most positive power voltage supply pin.
18 VSS Ground pin.

Encoder PIN Definition

No. Symbol Function
1 FSW_A Encoder terminal signal-A
2 FSW_B Encoder terminal signal-B
3 FSW_C Encoder terminal signal-C
4 FSW_D Ground

Mechanical Data

Item Dimension Unit
Dot Matrix 128 x 64 Dots
Module dimension Ø39.4 x 24.8 mm
Active Area 21.74 x 10.86 mm
Pixel Size 0.148 x 0.148 mm
Pixel Pitch 0.17 x 0.17 mm
Display Mode Passive Matrix
Display Color Monochrome
Drive Duty 1/64
IC SSD1326
Interface 4-wire SPI,I2C
Size 0.96 inch

Absolute Maximum Ratings

Item Symbol Min Max Unit
Supply Voltage VCI -0.3 4.0 V
Supply Voltage for Display VCC 0 15 V
Operating Temperature TOP -20 +70 °C
Storage Temperature TST -30 +80 °C

Electronical Characteristics

DC Electrical Characteristics

Item Symbol Condition Min Typ Max Unit
Supply Voltage VCI 1.65 3.0 3.3 V
Supply Voltage for Display VCC 6 10 10.5 V
Input High Volt. VIH 0.8xVCI V
Input Low Volt. VIL 0.2xVCI V
Output High Volt. VOH Iout = 100uA 0.9xVCI V
Output Low Volt. VOL Iout = 100uA 0.1xVCI V
Operating Current for VCC (VCC Supplied Externally) ICC VCC =10V 5 10 mA

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