Product Overview
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.
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 buttons
- Integrated SH1106 Display Controller
Product Parameters
Size | 65mm(Length)x 30mm(width) |
Pixels | 128x 64 |
Display Color | black and white |
Signal interface | SPI/ I2C |
Supply voltage | 3.3V |
OLED display area | 29.42×14.70 |
Driver chip | SH1106 |
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 |
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
Raspberry Pi Wiring DefinitionThe 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 |
Appendixes
2.1 Product Precautions and Maintenance
2.1.1 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.
2.1.2 Maintenance