The WisBlock OLED Display Module – RAK1921 is a compact, low-power display module based on the SSD1306 driver IC, designed for use within the WisBlock modular ecosystem.
 
With a 128 × 64 pixel resolution and 0.96-inch OLED panel, it provides clear, high-contrast visual output for both text and graphics. The display is easy to integrate using the I2C interface, with ready-to-use libraries supporting rapid development.
 
This module is ideal for adding a local user interface to WisBlock-based IoT devices, enabling real-time display of sensor data, device status, or system feedback.
 
Its low power consumption and ability to be fully powered down via the WisBlock system make it well suited to battery- and solar-powered deployments. This module is also well suited to mesh networking devices, providing a simple local interface for node status, diagnostics, and user interaction within mesh communications deployments.
 
KEY FEATURES
 
SSD1306 OLED display – reliable and widely supported display driver
128 × 64 resolution – clear text and graphical output
0.96-inch display – compact and easy to integrate
I2C interface – simple connection within WisBlock ecosystem
Low power consumption – suitable for battery-powered devices
Wide viewing angle – readable in various lighting conditions
Supports mesh networking builds – ideal for displaying node status and diagnostics in mesh communication devices
 
IDEAL FOR 
 
IoT user interfaces – display sensor data and device status
Environmental monitoring – local readout of measurements
Industrial systems – simple display for diagnostics and feedback
Smart agriculture – on-device data visualisation
Prototyping – rapid UI development within WisBlock builds
Mesh networking devices – display node status, signal info, and diagnostics