Adafruit
Monochrome 128x32 SPI OLED graphic display
A compact 1″ diagonal OLED display with 128×32 white pixels driven by the SSD1306 controller. Each pixel is individually lit, delivering sharp, high-contrast...
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A compact 1″ diagonal OLED display with 128×32 white pixels driven by the SSD1306 controller. Each pixel is individually lit, delivering sharp, high-contrast graphics with no backlight needed — resulting in excellent readability and low power consumption.
Communicates via SPI (4–5 pins required) and includes an onboard 3.3 V regulator and level shifter, so it works directly with 5 V microcontrollers like Arduino. Average power draw is around 20 mA from the 3.3 V supply.
Key Features
- 128×32 White OLED Pixels – Crisp, high-contrast monochrome display
- SSD1306 Driver – Well-supported controller with SPI interface
- Onboard Regulator & Level Shifter – 5 V compatible out of the box
- No Backlight Required – Self-emitting pixels for lower power draw
- Built-In Charge Pump – Generates OLED drive voltage from 3.3–5 V input
- Low Power – Approximately 20 mA average from 3.3 V
Specifications
- Display Size: ~1″ diagonal
- Resolution: 128×32 pixels
- Pixel Colour: White
- Controller: SSD1306
- Interface: SPI (4–5 pins)
- Logic Level: 3.3 V (5 V compatible via onboard level shifter)
- Power Supply: 3.3 V (onboard regulator included)
- Current Draw: ~20 mA typical
Ideal For
- Status displays on Arduino and microcontroller projects
- Wearable electronics and compact IoT devices
- Sensor readout and data visualisation
- Embedded dashboards and menu interfaces
Package Contents
- 1× Monochrome 128×32 SPI OLED Display Module
Resources
Jargon buster
Plain-language definitions for the technical terms used above.
- IoT
- Short for Internet of Things, meaning physical devices that connect to networks or the internet to send data or be controlled remotely. It matters if you want projects such as connected sensors, remote controls or classroom data-logging activities.
- microcontroller
- A microcontroller is a small computer on a single chip that runs a stored program and controls connected inputs and outputs such as buttons, sensors, displays and communication interfaces. In a device built around one, it is the part that executes the code and coordinates the device's behaviour.
- OLED
- OLED stands for organic light-emitting diode, a display type where each pixel produces its own light. It matters because OLED screens are thin, high-contrast and easy to read for small status displays, but they can be more sensitive to image burn-in than some other display types.
- RAM
- RAM (random-access memory) is fast, temporary memory a device uses for working data while it is running; in its common volatile form, its contents are lost when power is removed. Some devices offer a mode that applies settings to RAM only, which is handy for testing changes temporarily because they are not stored permanently and disappear at power-off.
- SPI
- A fast serial communication bus often used for displays, memory cards, and sensors. It matters because SPI devices need specific pins for clock and data, plus a separate chip-select line for each device.
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Related Tutorials
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