Graphical Colour 2.2” TFT LCD 128x128 ST7687S - Round Display - Cover Expand

Graphical Colour 2.2” TFT LCD 128x128 ST7687S - Round Display

DFRobot DFRobot



This awesome Round Graphical Colour 2.2” TFT Display is perfect for creating custom watches or smart devices with full 16-bit colours.

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When looking at the awesome advancements in smart devices, wearable tech’, and how they are interacting with each other in modern times, it’s quite difficult not to want to build your own custom wearable device. However, knowing where to start can be tricky, as most Display Modules are square, and this doesn’t quite have the eye-catching appeal that round watch-like displays do, and this is why we jumped at the opportunity to get these handy little Round TFT Displays.

These Graphical Colour 2.2” TFT LCD 128x128 Displays are driven by the ST7687S IC, and feature full 16-bit colours with a 10Hz refresh rate. This, while being rather humble compared to displays meant for high definition, is actually perfect for low-power wearable devices such as smart watches and wrist-navigators, as it is more than capable of displaying a wide range of imagery and even videos to some extent, while being fully Arduino compatible so that you can integrate a variety of Sensors and other modules to give it even more capabilities.

With a low power consumption of just 40mA and an SPI interface, this Round 2.2” TFT LCD is ideal for use with Arduino Boards, and has been particularly impressive when used alongside the extremely small DFRobot Arduino Beetle. However, if you have other ideas of how you would like to use handy round display units like these, they could also be perfect for larger multi-display panels for applications like simulated driving experiences, digital fuel gauges, or for almost any other purposes in which the round shape offers practical or aesthetic benefits.


Graphical Colour 2.2” Round TFT LCD  -  Technical Specifications:

  • Supplier


  • LCD Driver IC

– ST7687S

  • Operating Voltage

– 3.3V to 5.5V DC

  • Operating Current

– 40mA

  • Display Type

– Thin-Film-Transistor LCD

  • Display Colour

– 16-bit Multicolour

  • Display Shape

– Round

  • Display Resolution

– 128x128

  • Actual Display Area

– 32mm Diameter

  • Refresh Rate

– 10Hz

  • Interface Type


  • Dimensions

– 46 x 49mm


Additional Resources:

  • If you want to know more about this awesome little display module, be sure to take a look through the official DFRobot 2.2inch Round TFT LCD Wiki for resources like connection diagrams and code examples.


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Graphical Colour 2.2” TFT LCD 128x128 ST7687S - Round Display

Graphical Colour 2.2” TFT LCD 128x128 ST7687S - Round Display

As self-proclaimed “Robo-holics”, DFRobot is a company comprised of over 100 staff members, of which 30% are engineers who love to build robots. It was started in 2008 with the goal of embracing and promoting open-source hardware, with a core focus on Arduino, Raspberry Pi and their very own LattePanda development boards. Since then, DFRobot have manufactured over 1300 unique modules, sensors and components that all work together and complement each other, allowing users like us to enjoy a full spectrum of cutting edge robotics and electronics without having to pay premium prices.

With the primary goal of developing and manufacturing great quality products, while making them accessible to as many people as possible, DFRobot are rapidly becoming one of the most common-place brands in the world of open-source robotics and electronics. With more than 1300 products developed in-house, and an impressive range of different categories and specialisations, there are few brands in the world who can compete in terms of quality, accessibility and genuine innovation.