SparkFun
SparkFun Qwiic OLED Display (0.91 in., 128x32)
· MPN: LCD-24606
The SparkFun Qwiic OLED Display is a compact 0.91″ (diagonal) monochrome OLED screen with 128 × 32 pixel resolution, capable of displaying up to four lines o...
The SparkFun Qwiic OLED Display is a compact 0.91″ (diagonal) monochrome OLED screen with 128 × 32 pixel resolution, capable of displaying up to four lines of text. As an OLED, it has no backlight layer — resulting in a thinner profile, lower power consumption, and higher contrast compared to LCD displays.
This V1.1 revision features two vertical Qwiic connectors on the back of the board for easy mounting with wires tucked inside an enclosure. The firmware uses efficient partial-screen updates for fast refresh performance.
Key Features
- 128 × 32 Pixel OLED – Monochrome blue-on-black display with high contrast
- 0.91″ Diagonal – Compact display suitable for status readouts and sensor data
- SSD1306 Driver – Widely supported display controller with extensive library support
- Qwiic I²C Connectors – Two vertical connectors on the back for clean mounting
- Efficient Updates – Firmware updates only changed screen regions for fast refresh
- Built-In Pull-Ups – 4.7 kΩ I²C pull-up resistors with disable jumper
Specifications
- Display IC – SSD1306
- Resolution – 128 × 32 pixels
- Screen Size – 0.91″ diagonal
- Colour – Monochrome blue on black
- Interface – I²C (Qwiic)
- I²C Address – 0x3C
- Operating Voltage – 3.3 V (via Qwiic connector)
- Board Dimensions – 44.5 × 12.7 mm (1.75″ × 0.50″)
- Weight – 3.25 g
- Connectors – 2× vertical Qwiic (back-mounted)
Ideal For
- Sensor data readouts and status displays
- Embedded system user interfaces
- IoT device dashboards
- Compact enclosure-mounted displays
Package Contents
- 1× SparkFun Qwiic OLED Display (0.91″, 128 × 32)
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.
- LCD
- LCD stands for liquid crystal display, a screen technology that uses a backlight and liquid crystals to show images or text. It matters because LCD modules usually need a display driver and enough controller pins or a bus interface to send image data.
- 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.
- Qwiic
- Qwiic is a plug-in connector system for I2C devices that uses small 4-pin cables, so you can connect compatible sensors without soldering. It matters because your controller or adapter also needs Qwiic, or you will need a cable or breakout to wire it up.
- UPS
- An uninterruptible power supply is a battery-backed power system that keeps a device running when external power is unplugged or fails. For an embedded computer, it helps prevent sudden shutdowns that can corrupt files or interrupt a project.
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Displays & Screens
Supplier page — sparkfun.com
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