IO Expansion Shield from DFRobot Expand

IO Expansion Shield from DFRobot

DFRobot DFRobot



The IO Expansion Shield is specially designed by DFRobot for expanding the functionality of Arduino projects, colour-coded for ultimate convenience.

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Building Arduino projects can be a truly exciting hobby, which constantly introduces new and unique challenges as you advance your skills into various areas of Electronics. Fortunately, these challenges never have to be overwhelming, since tools like the IO Expansion Shield from DFRobot are available, which make your life as a hobbyist much easier by adding to user convenience, potential functionality or more focus on specific functions that you want for your project.

This IO Expansion Shield is designed for and compatible with many Arduino Boards, with a particular focus on the standard Arduino UNO, and is built to simply plug directly into the top of an Arduino to connect a wide range of sensors, motors and other accessories to the microcontroller board. This enables you to operate numerous components and Electronics Modules from a single Arduino board via the IO Expansion Shield, allowing you to build hundreds of different projects – with some projects that won’t even require any soldering.

In typical Arduino style, this expansion board operates on voltages of 3.3V or 5V, with an onboard switch that changes between “Program” mode and “Run” mode for easy coding. It also offers an extra power lane for servo motors, and is colour-coded to make the entire process as easy as possible. These features make this shield an excellent choice for hobbyists, professionals, beginners and veterans, as everyone will be able to utilise this board for extra functionality, added convenience or simply to learn more about Arduino and the many accessories that Arduino platforms can use.


IO Expansion Shield from DFRobot  –  Technical Specifications:

  • Operating Voltage

– 3.3V / 5V

  • Digital Interface Pins

– 14

  • Analog Interface Pins

– 6

  • IIC Ports

– 2

  • Interface Support

– I2C / SPI / XBee / Bluetooth / APC220

  • Input Voltage

– 7V to 12V PWR_IN

  • Servo Input Voltage

– 4.8V to 6V SERVO_PWR


Typical Applications for IO Expansion Shield from DFRobot:

Whether you are brand new to Arduino or an advanced Maker and Coder, the IO Expansion Shield from DFRobot is a great investment to make your life easier. It not only offers predefined pin layouts and header expansions, but also adds to user convenience by clearly labelling and colour-coding each and every interfacing port.


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IO Expansion Shield from DFRobot

IO Expansion Shield from DFRobot

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.