Wio Terminal: ATSAMD51 Core with Realtek RTL8720DN


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SKU: 758019
  1. Powerful MCU: Microchip ATSAMD51P19 with ARM Cortex-M4F core running at 120MHz
  2. Reliable Wireless Connectivity: Equipped with Realtek RTL8720DN, dual-band 2.4Ghz / 5Ghz Wi-F
  3. Raspberry Pi 40-pin Compatible GPIO
  4. Compatible with over 300 plug&play Grove modules to explore with IoT
  5. USB OTG Support
  6. Support Arduino, Micropython, ArduPy, AT Firmware, Visual Studio Code
  7. TELEC certificate


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Category: Advance Development Boards

This is a Wio Terminal: ATSAMD51 Core with Realtek RTL8720DN.

The Wio (Wireless Input and Output) platform (Wio Link, Wio 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, equipping with Screen + Development Board + Input/Output Interface + Enclosure. Make it an efficient and Product-Ready Product.

  1. A pythonic way to use a 100% open-source Hardware.
  2. Build your program interpreter starting from 90% with LCD screen and compact enclosure
  3. Sensing and tagging the Real-World data with over 300 Groves created by Seeed

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.

With Wio Terminal:

  1. Wio Terminal + Grove = IoT System
  2. Wio Terminal + Raspberry Pi = Edge Computing System
  3. Wio Terminal + Customized add-ons = Handheld devices or endless possibilities!

Pinout Diagram

Seeed Studio 4 10


Wio Terminal: Atsamd51 Core With Realtek Rtl8720Dn Ble 5.0 &Amp; Wi-Fi 2.4G/5G Dev Board

Seeed Studio 1 12

Highly Integrated Design:

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

Seeed Studio 3 13

Powerful MCU – Microchip ATSAMD51P19:

  1. ARM Cortex-M4F core running at 120MHz (Boost up to 200MHz)
  2. 4 MB External Flash, 192 KB RAM
  3. Comprehensive Protocol Support
  4. SPI, I2C, I2S, ADC, DAC, PWM, UART(Serial)

Reliable Wireless Connectivity:

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

USB OTG Support:

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

Raspberry Pi 40-pin Compatible:

  1. Can be mounted to a Raspberry Pi as a slave device
  2. Raspberry Pi’s HAT can be used with an adapter cable

Software Support:

  1. Arduino
  2. MicroPython*
  3. ArduPy
  4. AT Firmware
  5. Visual Studio Code

* Note: It Supports Micropython-like code via proprietary ArduPy.

Useful Link:


Package Includes:

1 x Wio Terminal: ATSAMD51 Core with Realtek RTL8720DN BLE 5.0 & Wi-Fi 2.4G/5G Dev Board

SKU: 758019 Category:
Wireless Connectivity

Wi-Fi: 802.11 a/b/g/n 1×1, 2.4GHz & 5GHz
Bluetooth: Support BLE5.0
Accelerometer: LIS3DHTR
Microphone: 1.0V-10V -42dB

Built-in Modules

Speaker: ≥78dB @10cm 4000Hz
Light Sensor: 400-1050nm
Infrared Emitter: 940nm
MicroSD Card Slot: Maximum 16GB
GPIO: 40-PIN (Raspberry Pi Compatible)

LCD Screen

Display Size: 2.4inch
Drive IC: ILI9341


FPC: 20-Pins
USB Type-C: Power & USB-OTG



Shipping Weight 0.13 kg
Shipping Dimensions 10 × 6 × 2 cm
3 Months Warranty

This item is covered with a standard supplier warranty of 3 months from the time of delivery against manufacturing defects only. This is a quality product & only manufacturing defects are covered under this warranty. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

ATSAMD51N19A Datasheet


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Country Of Origin: China