Home Products OLED Module Graphic OLED Display WEA012832E

1.04" 128x32 OLED Graphic (COG+PCB)

Model No. WEA012832E

►1.04" OLED
►Type: Graphic
►Structure: COG+PCB
►128x32 Dot Matrix
►Built-in controller SSD1306
►3V Power supply
►1/32 duty
►Interface: SPI
►Display Color: White / Yellow
►Traditional Chinese / Simplified Chinese version options


WEA012832E is a COG Graphic with PCB OLED module, which is made of resolution 128x32 pixels, diagonal size 1.04 inch. This PCB board with four mounting holes is an easy method for customers to fix modules on their applications. WEA012832E OLED module is built in with SSD1306 driver IC; it supports 4-wire SPI interface; it also integrated with a Font IC of GT21L16T1W (traditional Chinese) or GT21L16S2W (simplified Chinese). The GT21L16T1W is a 15x16 dots fonts chip; it supports Chinese standard GB12345 traditional Chinese character set, BIG5 traditional Chinese character basic set, Japanese standard JIS0208 Japanese character set (compatible with Unicode), and a total of 150 countries’ character. The GT21L16S2W Font IC is a 15x16 dots fonts chip; it supports Chinese standard GB2312 and ASCII code. The supply voltage for logic of WEA012832E is 3V or 5V, driving duty 1/32, the display with 50% Check board current is 20 mA @ VIN 3.3V (typical value).

This OLED module is suitable for smart home application, medical device, smart control and etc. WEA012832E module can be operating at temperatures from -40℃ to +80℃; its storage temperatures range from -40℃ to +85℃. 


1.04 inch 128x32 OLED Graphic (COG+PCB) - WEA012832E

Data source ref: WEA012832EWPP3N00000


Interface Pin Function

No. Symbol Function
1 SDI Serial data input
This pin connects font IC of SDI and OLED drive IC of SDI.
2 SCL Serial clock input
This pin connects font IC of SCL and OLED drive IC of SCL.
3 DC This is Data/Command control pin.
4 RES This pin is reset signal input. When the pin is pulled LOW, initialization of the chip is executed.
5 CS This pin is the chip select input. (active LOW).
6 VIN Input voltage for 2.8 ~ 5.2V power supply.
7 GND This is a ground pin.
8 SDO Serial Data Output for font IC.
Data is shifted out on the falling edge of the serial clock.
9 CS_G Chip Select input for font IC.
This pin is the chip select input. (active LOW).
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 1/32 Duty
IC SSD1306
Font IC GT21L16T1W (Traditional Chinese) / GT21L16S2W (Simplified Chinese)
Interface SPI
Size 1.04 inch

Absolute Maximum Ratings

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

Electronical Characteristics

Item Symbol Condition Min Typ Max Unit
Supply Voltage for Input VIN 2.8 3.0 5.2 V
Input High Volt. VIH 2.4 3.2 V
Input Low Volt. VIL 0 0.6 V
Output High Volt. VOH 2.7 3.2 V
Output Low Volt. VOL 0 0.3 V
50% Check Board operating Current IIN VIN=3V 13.0 26.0 mA

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