Home Products OLED Module Graphic OLED Display WEA012832E

1.04", 12832 OLED (COG+PCB)

Model No. WEA012832E

►1.04" OLED
►Type: Graphic
►Structure: COG+PCB
►128x32 Dot Matrix, 12832 OLED
►Built-in controller SSD1306BZ
►3V Power supply
►1/32 duty
►Interface: SPI, Optional I2C


  • WEA012832EW : White


12832 OLED, OLED 12832 (COG PCB)  - WEA012832E - Winstar Display


Interface Pin Function

No. Symbol Function
1 SDI Supply Voltage for Logic.
The 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.
3 DC Supply Voltage for Logic.
In I2C mode, this pin acts as SA0 for slave address selection.
When 3-wire serial interface is selected, this pin must be connected to VSS.
4 RES Supply Voltage for Logic.
This pin is reset signal input. When the pin is pulled LOW, initialization of the chip is executed.
Keep this pin HIGH (i.e. connect to VDD) during normal operation.
5 CS Supply Voltage for Logic.
This pin is the chip select input. (active LOW).
6 VIN Input voltage for 2.8 ~ 5.0V power supply.
7 GND This is a ground pin.
8 SDO Supply Voltage for Logic.
Serial data output for 5X16 dot matrix font.
9 CS_G Supply Voltage for Logic.
Chip enable input for 5X16 dot matrix font.
10 NC Not connection

Mechanical Data

Item Dimension Unit
Dot Matrix 128 x 32 Dots
Module dimension 35.4 × 23.5 × 1.8 mm
Active Area 25.58 × 6.38 mm
Pixel Size 0.176 × 0.176 mm
Pixel Pitch 0.200 × 0.200 mm
Display Mode Passive Matrix
Display Color Monochrome
Drive Duty 1/32Duty
Interface SPI, Optional I2C
Size 1.04 inch

Electronical Characteristics

Item Symbol Condition Min Typ Max Unit
Supply Voltage for Input VIN 2.8 3.0 5.2 V
Supply Voltage for Logic VDD 2.8 3.0 3.2 V
Input High Volt. VIH 0.8×VDD VDD V
Input Low Volt. VIL 0 0.2×VDD V
Output High Volt. VOH 0.9×VDD VDD V
Output Low Volt. VOL 0 0.1×VDD V
50% Check Board operating Current ICC Vin=3V 13.0 26.0 mA

Absolute Maximum Ratings

Parameter Symbol Min Max Unit
Supply Voltage for Logic VDD -0.3 4 V
Supply Voltage for input VIN 2 7 V
Operating Temperature TOP -40 80 °C
Storage Temperature TSTG -40 85 °C

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