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      Wio Terminal: ATSAMD51 Core with Realtek RTL8720DN BLE 5.0 & Wi-Fi 2.4G/5G Dev Board (SE-102991299)

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      Wio Terminal: ATSAMD51 Core with Realtek RTL8720DN BLE 5.0 & Wi-Fi 2.4G/5G Dev Board (SE-102991299)
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      Wio Terminal: ATSAMD51 Core with Realtek RTL8720DN BLE 5.0 & Wi-Fi 2.4G/5G Dev Board (SE-102991299)

      Key Features

      • Powerful MCU: Microchip ATSAMD51P19 with ARM Cortex-M4F core running at 120MHz
      • Reliable Wireless Connectivity: Equipped with Realtek RTL8720DN, dual-band 2.4Ghz / 5Ghz Wi-Fi
      • Highly Integrated Design: 2.4” LCD Screen, IMU and more practical add-ons housed in a compact enclosure with built-in magnets & mounting holes
      • Raspberry Pi 40-pin Compatible GPIO
      • Compatible with over 300 plug&play Grove modules to explore with IoT
      • USB OTG Support
      • Support Arduino, CircuitPython, Micropython, ArduPy(What is ArduPy?), AT Firmware, Visual Studio Code
      • TELEC certificated


      The Wio (Wireless Input and Output) platform (Wio LinkWio Nodes,etc.) was first introduced to the world at the end of 2015 by Seeed. 

      Today a new Wio member is joining the family - Wio Terminal. Instead of being a single embedded functional module, Wio Terminal is more of a complete system equipped with Screen + Development Board + Input/Output Interface + Enclosure, making it an efficient and Product-Ready Product.

      With Wio Terminal, you can: 

      • Sense and tag the Real-World data with over 300 Groves created by Seeed
      • Use a 100% open-source Hardware in a pythonic way
      • Build your program interpreter starting from 90% with LCD screen and compact enclosure

      Compatible with Arduino and Micropython, Wio Terminal is an ATSAMD51-based microcontroller with wireless connectivity supported by Realtek RTL8720DN. Its CPU speed runs at 120MHz (Boost up to 200MHz). Realtek RTL8720DN chip supports both Bluetooth and Wi-Fi providing the backbone for IoT projects. The Wio Terminal itself is equipped with a 2.4” LCD Screen, onboard IMU(LIS3DHTR), microphone, buzzer, microSD card slot, light sensor, and infrared emitter(IR 940nm). On top of that, it also has two multifunctional Grove ports for Grove Ecosystem and Raspberry pi 40-pin compatible GPIO for more add-ons.

      Highlight Features


      Highly Integrated Design

      • MCU, LCD, WIFI, BT, IMU, Microphone, Buzzer, microSD Card, Configurable Buttons, Light Sensor, 5-Way Switch, Infrared Emitter (IR 940nm), Crypto-authentication Ready
      • Well-designed enclosure with built-in magnets and two mounting holes, allowing you to set up your IoT project without hassle

      Powerful MCU - Microchip ATSAMD51P19

      • ARM Cortex-M4F core running at 120MHz (Boost up to 200MHz)
      • 4 MB External Flash, 192 KB RAM
      • Comprehensive Protocol Support
      • SPI, I2C, I2S, ADC, DAC, PWM, UART(Serial)

      Reliable Wireless Connectivity

      • Powered by Realtek RTL8720DN
      • Dual Band 2.4Ghz / 5Ghz Wi-Fi (802.11 a/b/g/n)
      • BLE / BLE 5.0

      USB OTG Support

      • Accessible Devices(as USB-Host): read data or signals from a mouse, keyboard, MIDI devices, Xbox/PS gaming controllers, 3D printers
      • Simulated Devices(as USB-Client): emulate a mouse, keyboard or MIDI devices to Host PC
      • When using USB Host/Client function, you can use the 40-pin on the back of Wio Terminal for power supply. Check here for detailed instructions.

      Grove Ecosystem

      • 300+ Grove modules to explore with IoT
      • Two onboard multi-functional Grove ports can be used for Digital, Analog, I2C, and PWM
      • Note: To connect Grove with Wio Terminal, please use unbuckled grove cable.

      Raspberry Pi 40-pin Compatible

      • Can be mounted to a Raspberry Pi as a slave device
      • Raspberry Pi's HAT can be used with an adapter cable

      Software Support

      What is ArduPy?

      ArduPy is a combination of Arduino and MicroPython developed by Seeed. Check our Wiki and Github for more technical details

      We wish to develop the ArduPy into a community-driven software and look forward to your participation. Join the discussion at our Forum!


      • Play retro game on Wio Terminal

      What other cool things can you play with Wio Terminal?

      • Artificial Nose that can Discern Different Kinds of Rum or ScotchTV
      • Remote Controller
      • Cost-effective Pulse Oximeter
      • Weather Forecast Monitor
      • Run TinyGO on Wio Terminal
      • Printer
      • GPS Navigator
      • Water Level Detector
      • Machine Learning on Wio Terminal

      And there are more possibilities on the way! Check Wio Terminal Community Project Collection and we hope some of them will inspire you!

      Fully Open-source Manufacturing Process

      As a fully open-source device, Wio Terminal development will continue to optimize its performance and every update will be publicized on our blog. We are also making a series of Vlog about the fully open-source manufacturing process of Seeed product. From hardware and software development, to each step of manufacture and testing, you can find all you want to know about Wio Terminal, check now!


      Setup, Documentation, and Support

      Please visit our wiki for more information about Wio Terminal. If you have any questions, feel free to ask us at our Forum.

      Technical Specifications

      Main Chip

      Manufacturer Part Number


      Core Processor

      ARM® Cortex®-M4F

      Maximum Speed


      External Flash


      Operating Temperature

      -40°C ~ 85°C (TA)

      LCD Screen



      Display Size


      Drive IC


      Wireless Connectivity

      Manufacturer Part Number


      KM4 CPU

      ARM® Cortex®-M4F @ 200MHz

      KM0 CPU

      ARM® Cortex®-M0


      802.11 a/b/g/n 1x1, 2.4GHz & 5GHz


      Support BLE5.0

      Built-in Modules




      1.0V-10V -42dB


      ≥78dB @10cm 4000Hz

      Light Sensor


      Infrared Emitter



      MicroSD Card Slot

      Maximum 16GB


      40-PIN (Raspberry Pi Compatible)


      2 (Multifunction)



      USB Type-C

      Power & USB-OTG

      Operation Interface

      5-Way Switch

      Power/Reset Switch

      User-defined button *3






      Part List

      • Wio Terminal
      • USB Type-C Short Cable
      • User Manual
      Seeed Studio

      Specific References

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