1.3inch OLED Display 128 x 64 Pixels Black and White Supports SPI I2C Communication

1.3inchOLEDHAT(B)

128 x 64 pixelsBlack and whiteSupports SPI/ I2C communication

This product is a versatile 1.3-inch OLED display expansion module powered by the SH1106 controller, featuring 128x64 resolution. Designed for ultimate flexibility, it incorporates a unique slide switch enabling seamless transitions between SPI and I²C communication modes, along with I²C address configuration via a single resistor. Compatible with various popular development boards including Raspberry Pi series, Arduino, STM32, and ESP32, it integrates effortlessly into your projects.

We provide comprehensive sample code for Raspberry Pi (C/Python), Arduino, and STM32 platforms. These libraries empower you to draw points, lines, rectangles, and circles, with full support for displaying alphanumeric characters and images. Experience the convenience of a truly adaptive display solution that simplifies prototyping and development.

Product Features

• 1.3-inch OLED display with 128×64 pixel resolution
• Supports SPI/I²C protocols with selector switch for seamless mode switching
• Onboard level shifter compatible with both 3.3V/5V MCU
• Open-source sample code for Raspberry Pi, Arduino Mega, STM32, and ESP32

Product Parameters

Size	38mm(Length)x 37mm(width)
Pixels	128x 64
Display Color	black and white
Voltage Translator	TXS0108EPWR
Signal interface	SPI/ I2C
Supply voltage	3.3V/5V
OLED display area	29.42×14.70
Driver chip	SH1106

Module Resource Profile

① SPI/I2C control interface (2.54mm pitch pin header)

② IIC address selection resistor

③ SPI/I2C control interface (1.25mm pitch connector)

④ SPI/I2C selector switch

Compatible Raspberry Pi,Arduino, STM32, and ESP32

128×64 pixels I Black and White Display

>Complete sample code for Raspberry Pi (C/Python)Arduino, and STM32<

4 Product Usage

All sample code for this product is written for SPI mode, so the switch on the back of the development board is preset to the "SPI" position. To use I2C mode, please follow these steps:

Flip the selector switch on the back of the development board to the "I2C" position Modify use_mode 1 to use_mode 0 in the oled.h file.

This product offers two selectable I2C addresses. In I2C mode, address selection is controlled by the soldering position of the I²C address selection resistor. To modify the I²C address:

Choose the desired I²C address and reposition the resistor to the corresponding solder pads

Simultaneously adjust the ADDR parameter value in both oled.h and oled.c files

4.2 Raspberry Pi Wiring Definition

Since the bookworm system no longer supports the wiringpi library, the example program for this system uses the lgpio library, and for the bullseye system, the wiringpi library version of the example program can be used.

The bullseye system example program for the Raspberry Pi uses the pin definitions number in wiringPi, and the bookworm system uses the pin definition of the BCM number. The definition of the wiring with the Raspberry Pi motherboard is shown in the following table:

Table 4-1 Definition of OLED display and Raspberry Pi pin

4.3 Arduino Wiring Definition

Table 4-2 is the wiring definition between Arduino Mega and OLED display:

Table 4-3 is the wiring definition between Arduino Uno and OLED display:

4.4 STM32 Wiring Definition

The STM32 module used in this example program is STM32F103C8T6.The product wiring definition is shown in Table 4-4 below:

Table 4-4 Pin definition of OLED display and STM32

4.5ESP32 Wiring Definition

The ESP32 module used in this example program is ESP32-WROOM-32E.The product wiring definition is shown in Table 4-5 below:

Table 4-5 Pin definition of OLED display and ESP32

Dimensions

WIKI

https://seengreat.com/wiki/179/1-3inch-oled-display-128-x-64-pixels-black-and-white-supports-spi-i2c

Package Content

①1.3inch OLED HAT(B) x 1

② Electronic wire x 1

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