Quick answer

Wio Terminal is a development board from Seeed Studio, listed under IoT. It uses the ATSAMD51P19 on a SAMD core. It carries 4MB flash, 192KB RAM, 40 GPIO. Official framework support: Arduino, CircuitPython. An ATSAMD51 handheld with a 2.4-inch LCD, five-way switch, microphone, buzzer and two Grove ports for teaching and field tools.

Vendor
Seeed Studio
Architecture
SAMD
MCU
ATSAMD51P19
Clock
120MHz
Flash
4MB
RAM
192KB
GPIO
40
Current draw
5V USB-C / 3.7V BAT
Focus
IoT

Common questions

What is the Wio Terminal development board?

Wio Terminal is a development board from Seeed Studio, listed under IoT. It uses the ATSAMD51P19 on a SAMD core. It carries 4MB flash, 192KB RAM, 40 GPIO. Official framework support: Arduino, CircuitPython. An ATSAMD51 handheld with a 2.4-inch LCD, five-way switch, microphone, buzzer and two Grove ports for teaching and field tools.

What MCU and instruction architecture does Wio Terminal use?

ATSAMD51P19 on a SAMD core.

How much flash and RAM does Wio Terminal have?

It carries 4MB flash, 192KB RAM, 40 GPIO.

What kind of projects is Wio Terminal meant for?

ZouIC lists it under IoT, with official framework support for Arduino, CircuitPython.

How much power does Wio Terminal draw?

The listed figure is 5V USB-C / 3.7V BAT.

Where can I find official material for Wio Terminal?

See the official community at https://wiki.seeedstudio.com/Wio-Terminal-Getting-Started/; the purchase page at https://www.seeedstudio.com/Wio-Terminal-p-4509.html.

Seeed Studio
SAMDSeeed StudioCheck official channels

Wio Terminal

An ATSAMD51 handheld with a 2.4-inch LCD, five-way switch, microphone, buzzer and two Grove ports for teaching and field tools.

Quick specs

From vendor docs
120MHzSpeed
40GPIO
4MBFlash
192KBRAM
Chip modelATSAMD51P19
Power5V USB-C / 3.7V battery

Peripherals

2.4" LCD
Wi-Fi
BLE 5.0
Grove x2
microSD

Frameworks

Arduino
CircuitPython

Technical Specifications

Processor info

Chip ArchitectureSAMD
VendorSeeed Studio
Chip modelATSAMD51P19
Clock speed120MHz

Storage and memory

Flash4MB
RAM192KB
GPIO count40pcs
Power5V USB-C / 3.7V battery

Official links and data notes

Specifications are compiled from public vendor materials for selection reference only. Licenses for hardware design files and documentation are determined by the vendor or project owner; ZouIC does not grant them.

Last verified 2026-10-28

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