Adafruit Grayscale 1.5" 128x128 OLED Graphic Display - STEMMA QT / Qwiic

Product ID: 4741
Qty Discount
1-9 $22.50
10-99 $20.25
100+ $18.00


This OLED goes out to all the fans who want more pixels! Normally our 128x64 OLEDs are the biggest ones we've stocked that can use I2C. This one is a whopping 128x128 pixels and it even has an extra bonus - it can do grayscale pixels! Yep, you get the same crispness of a monochrome OLED but with 16 levels of grayscale.

This display is a petite 1.5" diagonal, but very readable due to the high contrast of an OLED display. This display is made of 128x128 individual grayscale OLED pixels, each one is turned on or off by the controller chip. Because the display makes its own light, no backlight is required. This reduces the power required to run the OLED and is why the display has such high contrast; we really like these miniature displays for their crispness!

The driver chip, SSD1327 can communicate in two ways: I2C or SPI. The OLED itself requires a 3.3V and 12V power supply and 3.3V logic levels for communication. We include a 3.3V regulator and 12V boost converter, and all pins are fully level shifted so you can use with 3V or 5V devices!

If you are using I2C, we've included SparkFun qwiic compatible STEMMA QT connectors for the I2C bus so you don't even need to solder! Plug and play with any board that has a Qwiic or STEMMA QT connector for effortless prototyping and development. QT Cable is not included, but we have a variety in the shop

This display, being 16-level (4-bit) grayscale and 128x128, requires 128 * 128 * 4 bits = 8KB of SRAM to buffer. So you can't use it with a small chip such as the Arduino UNO (ATmega328 or 32u4). Pick a microcontroller or microcomputer with 16KB+ RAM - a SAMD21, SAMD51, ESP, nRF52, Teensy, etc will do an excellent job. As long as you have I2C or SPI interface available, you're good to go - SPI will be much faster but I2C requires fewer pins.

We have both Arduino and CircuitPython support for this display.

Please note that OLED displays are made of hundreds of...OLEDs! That means each pixel is a little organic LED, and if it's kept on for over 1000 hours it'll start to dim. If you want to keep the display uniformly bright, please turn off the display (set the pixels off) when it isn't needed to keep them from dimming.

Play video: What is Stemma QT? #adafruit #stemma

Play video: JP’s Product Pick of the Week 11/8/20 Grayscale OLED @adafruit @johnedgarpark

Play video: New Products 10/14/2020 featuring Adafruit Grayscale 1.5" OLED Graphic Display - STEMMA QT/Qwiic!

Technical Details

Revision History:

  • As of November 2022 - we've updated this PCB with Adafruit Pinguin to make a lovely and legible silkscreen - you may get the new PCB or the older version with vector fonts - both are identical other than the fancy silkscreen. Additionally, this OLED breakout may come with black or tan STEMMA QT connectors. They work the same!
RoHS 2 2011 65 EU Compliant
RoHS 2 2015 863 EU Compliant


This cute little OLED is twice the size of out 128x64 OLED, plus it can do shades of grey.
Use Arcade Buttons to play MIDI music