Unit Glass2
Description
Unit Glass2 is a 1.51-inch transparent OLED display expansion unit. It uses the SSD1309 driver and supports I2C communication (default address is 0x3C, which can be changed to 0x3D via the reserved solder pads). The screen offers excellent brightness and contrast, performing well under various lighting conditions. It is suitable for information display, status indication, or user interface integration, making it ideal for embedding into smart home products or control devices to enable user interaction.
Features
- 128x64 total pixels
- Display area: 35.05 x 18 mm
- Glass dimensions: 42.04 x 27.22 mm
- 1-bit color depth
- I2C communication (default address 0x3C, configurable to 0x3D)
- Supported programming platforms: Arduino, UiFlow
Includes
- 1 x Unit Glass2
- 1 x HY2.0-4P Grove cable (20 cm)
Applications
- Smart home products
- Control devices
- Display panels
Specifications
| Specification | Parameter |
|---|---|
| Display | 1.51-inch transparent OLED screen |
| Resolution | 128 x 64 |
| Display Color | Blue |
| Display Area | 35.05 x 18 mm |
| Panel Size | 42.04 x 27.22 x 1.25 mm |
| Viewing Angle | Full viewing angle |
| Operating Temp. | 0 ~ 40°C |
| Logic Voltage | 3.3V |
| I2C Address | Default 0x3C, configurable to 0x3D via pads |
| Product Size | 53.0 x 42.0 x 6.0 mm |
| Product Weight | 8.5 g |
| Package Size | 138.0 x 93.0 x 7.0 mm |
| Gross Weight | 14.3 g |
Instructions
The two HY2.0-4P Grove ports on the left and right are interconnected and can be used interchangeably to connect other I2C devices. The default I2C address is 0x3C, and it can be changed to 0x3D via the reserved solder pads.
As shown in the image above, use a hex wrench to remove the two screws, then lift the top cover upward. Gently push the display's FPC cable aside to reveal two semicircular solder pads inside the circle. Apply solder to bridge the two pads to change the I2C address to 0x3D. To revert to 0x3C, simply remove the solder.
If the I2C address is changed to 0x3D, make sure to update the corresponding configuration in your program as well.
Schematics
PinMap
Unit Glass2
| HY2.0-4P | Black | Red | Yellow | White |
|---|---|---|---|---|
| PORT.A | GND | 5V | SDA | SCL |
Model Size
Datasheets
Softwares
Arduino
UiFlow1
UiFlow2
Video
- Unit Glass2 display example
Product Comparison
| Product Compare | Unit Glass2  | Unit Glass  |
|---|---|---|
| Chip Solution | STM32 + SSD1309 | SSD1309 |
| Hardware Interface | 2 x HY2.0-4P Grove ports, no buttons or buzzer | 1 x HY2.0-4P Grove port, 2 buttons, 1 buzzer |
| I2C Address | Fixed at 0x3D | 0x3C / 0x3D (configurable via solder pads) |