1.3inch OLED HAT(A)

I Product Overview

1.3inch OLED display128 x 64 pixelsBlack and whiteSupports SPI/ I2C communication

This 1.3-inch OLED display expansion module, powered by the SH1106 controller, features 128×64 resolution and integrates an on-board 5 direction joystick with three programmable buttons. Dual slide switches enable seamless SPI/I²C communication mode selection. Designed for Raspberry Pi 40pin GPIO headers, the module operates via SPI or I²C interfaces, delivering ultimate flexibility.

II Product Features

  • 1.3inch OLED Display with 128×64 resolution
  • SPI/I²C Protocol Support : Toggle between modes via hardware switch
  • On-board Controls: 5direction joystick and 3 programmable button
  • Integrated SH1106 Display Controller

    • III Product Parameters

    Size

    65mm(Length) x 30mm(width)

    Pixels

    128 x 64

    Display Color

    black and white

    Signal interface

    SPI / I2C

    Supply voltage

    3.3V

    OLED display area

    29.42×14.70

    Driver chip

    SH1106

    IV Product Usage

    On-board switches SW1 and SW2 are used for SPI/I²C mode selection. Set the switches to corresponding positions according to the configuration table for protocol switching.

    IIC

    SPI

    SW1

    0

    1

    SW2

    0

    1

    4.1 Module Resource Profile

    Module Resource Profile is shown in the figure below:

    ① User joystick

    ② 1.3inch OLED display

    ③ Three user programmable buttons

    ④ SPI/I²C Mode Selector Switch

    ⑤ Raspberry Pi 40pin GPIO Female Header

4.2 Raspberry Pi Wiring Definition

    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:

    1.3inch OLED HAT A

    WiringPi number

    BCM number

    VCC

    3.3V

    GND

    GND

    DIN

    SPI:P12 / I2C:P8

    SPI:D10 / I2C:D2

    CLK

    SPI:P14 / I2C:P9

    SPI:D11 / I2C:D3

    CS

    P10

    D8

    D/C

    P6

    D25

    RST

    P0

    D17

    LEFT

    P25

    D26

    DOWN

    P23

    D13

    CENT

    P21

    D5

    UP

    P24

    D19

    K1

    P27

    D16

    K2

    P28

    D20

    K3

    P29

    D21

Ⅴ Appendixes

    5.1 Product Precautions and Maintenance

    5.1.1 Precautions

  • Do not plug or unplug modules while they are powered on.
  • Follow all warnings and guidelines provided on the product.
  • Keep the product dry. In case of accidental splashing or immersion in any liquid, immediately disconnect the power and thoroughly dry the product.
  • Ensure proper ventilation and heat dissipation in the operating environment to avoid damage to components due to high temperatures.
  • Do not use or store the product in dusty or dirty environments.
  • Avoid using the product in environments with frequent temperature changes to prevent condensation damage to the components.
  • Handle the product gently, as dropping, hitting, or severe shaking may damage the circuits and components.
  • Do not clean the product with organic solvents or corrosive liquids.
  • Do not attempt to repair or dismantle the product by yourself. In case of any malfunction, please contact our company for repairs. Unauthorized repairs may damage the product, and any resulting damage will not be covered under warranty.