Best Xiao I 2026

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Last Updated - 22.07.2026

Best Choice

01

seeed studio

XIAO 7.5 Inch ePaper Panel

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9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Native Home Assistant Integration This XIAO gadget is compatible with Home Assistant, so it acts as a physical display for your Home Assistant Lovelace dashboard.
Energy efficient design with low power consumption. Powered by a 3.7V 2000mAh rechargeable Li-ion battery, it works for up to 3 months on a single charge in deep sleep mode (6 hour refresh interval). The anti-glare e-ink display ensures clear readability in any light condition while reducing eye strain.
ELEGANT FORM FACTOR In a stylish white 3D printed frame with a versatile retractable stand, this unit can be placed on a desk or mounted on a wall for flexible positioning.
Compatible with TRMNL (TRMNL access required). It is also compatible with TRMNL, has 80 plugins to meet basic requirements of daily life and work. For example, Calendar, Shopify and Github plugins and so on. It provides a no-code experience, making it super easy even for beginners to get started.
Arduino Development Support As an open source device with full Arduino IDE compatibility, developers can create custom dashboards with Arduino C programming.
7.5-inch E-Ink display for home automation. The XIAO ePaper Panel features a 7.5-inch monochrome E-Ink display (black and white) with a resolution of 800 × 480, capable of presenting comprehensive information simultaneously. From sensor data to weather forecasts to full-page calendars, all your smart home information is available at a glance.

115,00 €
Value for Money

02

seeed studio

Seeeduino XIAO Expansion Card

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9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Support circuit python: support circuit python. The mini SD card slot allows you to expand the storage space, making it possible to allocate more libraries needed for prototyping and project building.
Rich peripherals: OLED display, RTC, expandable memory, passive buzzer, user button, built-in battery management chip... A board at hand to explore infinite possibilities of Seeeduino XIAO.
NO SOLDERING NEEDED: All pins are execuConvenient plug-and-play grove ports support multiple data protocols, including IIC, Uart, Analog/Digital.
Mini Size Compact and elegant with only half the Raspberry Pi 4 size, perfect for small and portable projects.
Fast Prototyping Easy debugging and resetting with reset button and SWD pin leading to the male header. 0.96 inch OLED, allows you to display visual data without a serial PC monitor.

25,18 €
03

seeed studio

Seeed Studio XIAO ESP32-S3-2.4GHz Wi-Fi, BLE 5.0, Dual-Core, Battery Charging Supported, Energy Efficiency and Rich Interface, Ideal for Smart Homes, IoT, Portable Devices, Robotics, etc

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9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Perfect for production: breadboard friendly and SMD design, no components on the back
POWERFUL MCU BOARD Integrate ESP32-S3 32-bit, dual core, Xtensa processor up to 240MHz, assembled multiple development ports, support Arduino/MicroPython
Excellent RF performance: support 2.4GHz WiFi and BLE 5.0 dual wireless communication, support 100m + remote communication when connected to U.FL antenna
Elaborate power design: lithium battery charging management capability, provides 4 power consumption models that allow deep sleep mode with power consumption up to 14μA
Compact thumb size design, 21 x 17.5 mm, with XIAO's classic form factor, suitable for projects with limited space such as portable devices

15,99 €
04

seeed studio

Seeed Studio XIAO ESP32C3 - Tiny MCU Board with Wi-Fi and BLE for IoT Control Scenarios. Microcontroller with Battery Charge, Energy Efficient and Rich Interface for Tiny Machine

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Thumb Size:21*17.5mm overall dimension,portable and lightweight.
Rich interface: There are 11 digital I/O that can be used as PWM pins and 4 analogue I/O that can be used as ADC pins. It supports UART, IIC, and SPI serial communication ports, including IIS (Internet Information Services).
ONBOARD BATTERY CHARGING IC:Support battery charging, ideal for various portable scenarios and wireless IoT applications.
Low power consumption: lowest such as 44μA (deep sleep mode), with 4 working modes available.
Excellent RF performance: Powerful ESP32-C3 SoC and U.FL antenna provided, which supports WiFi/Bluetooth connection over 100 m.

15,85 €
05

seeed studio

Seeeduino XIAO, the smallest Arduino microcontroller module with rich interfaces and 100% compatible with Arduino IDE for projects

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

[USB Type C Support] Seeeduino XIAO supports the USB Type C interface, which can download power supply and code. On the back of the XIAO there are power pads that support the battery and are designed for portable devices to be realistic.
[Rich interfaces in a small size] There are 14 GPIO pins, which can hold 11 analogue pins, 11 digital pins, 1 I2C interface, 1 UART interface and 1 SPI interface in such a small size - only 20 mm x 17.5 mm (as small as your thumb). Seeeduino XIAO development board is the smallest Arduino compatible board in the Seeeduino series.
Powerful CPU: Seeeduino XIAO carries a powerful CPU ARM Cortex-M0+ 32bit 48MHz microcontroller (SAMD21G18), which three times as Arduino Uno and Arduino Nano. In addition, this Arduino IDE compatible board Xiao is also equipped with 256KB flash memory and 32KB SRAM.
Perfect for portable and tiny Arduino projects: On the other hand, this small board has good performance in processing, but requires less power. In fact, it is designed in a small size and can be used for Arduino portable devices and small projects.
Fully compatible with Arduino IDE: The Seeeduino XIAO development board is perfectly compatible with Arduino IDE, you can easily develop some small projects with the help of the large and comprehensive Arduino library. Since it has a 2.54mm pin spacing, it is an Arduino microcontroller that can also be used when plugged into a clipboard.

13,89 €
06

seeed studio

Seeed Studio XIAO BLE Nordic nRF52840 for Arduino/MicroPython/CircuitPython, Bluetooth 5.0 NFC and ZigBee with Onboard Antenna Machine Learning

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wireless capabilities: XIAO nRF52840 has an NFC module Bluetooth 5.0 with a built-in antenna. With the wireless connectivity capabilities, it stays with the classic form factor of the Seeed XIAO series: small and exquisite, ideal for portable devices and Internet of Things projects.
Ultra small size 21x17.5mm, classic form factor of Seeed Xiaomi series for portable devices. Parts List: 2 Seeed XIAO BLE nRF52840 Boards x 1/7 Pins
Ultra low sleep current: deep sleep mode of 5μA with battery charging chip: BQ25101 chip compatible with lithium battery charging management.
Refined Interface: First, the near-field communication (NFC) on the board is functional. Secondly, there is a small and elegant reset button on one side of the Type-C interface. On the other hand, it is equipped with a three-in-one LED along with power LEDs. Supports UART, IIC and SPI on all three popular serial ports. Just like the Seeed XIAO RP2040, it has built-in flash memory of 2MB, which means it can also be programmed with Arduino, MicroPython, CircuitPython or other programming languages.
POWERFUL CPU: As the first wireless product in the Seeed XIAO family, the seeed studio XIAO nRF52840 has equipped a powerful Nordic nRF52840 MCU designed in a Bluetooth 5.0 module, built around a 32-bit ARM Cortex-M4 CPU with floating-point unit (FPU) that operates at 64MHz. e.g.

19,99 €
07

APBVIHL

XIAO Smart IR Mate Wi-Fi Infrared Remote Control Hub, Black

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8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wireless connectivity: Supports 2.4GHz Wi-Fi and BLE for flexible connectivity and allows individual developments
Smart upgrade for home: easily transform your existing household appliances into smart devices
Remote control via smartphone: control conventional IR devices such as TV, air conditioning and fans easily mobile or via automation
Practical features: features a one-click learning function as well as tactile feedback for comfortable operation
PRE-INSTALLED ESPHome Firmware: comes with pre-installed ESPHome firmware and provides native support for Home Assistant without additional configuration
Equipped with XIAO ESP32-C3: it can be easily integrated and ensures stable functioning
Compact & powerful infrared hub: The XIAO IR Mate has been specially developed for use with Home Assistant
COMPREHENSIVE IR COVERAGE Equipped with 3 powerful IR LEDs for 360° coverage and 1 high sensitivity IR receiver for reliable signal transmission

21,00 €
08

diymore

diymore ESP32-C3 Development Board - WiFi/BLE 5.0 RISC-V MCU for Industrial IoT Production, 160MHz, Deep Sleep 44μ, Microcontroller with Battery Charge

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8.3

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Robust interfaces: ESP32 C3 mini supports UART, I2C, SPI and IIS for flexible applications in industrial and hobby projects.
Production-friendly design: ESP32 C3 Supermini single-sided SMD construction without components on the back, compatible with Arduino/CircuitPython for fast prototype development.
High-performance RF functionality: ESP32-C3 32-bit RISC-V chip (160MHz) with full WiFi and BLE 5.0 support, range up to 100 m with U.FL antenna connection. Includes external antenna, ideal for demanding RF applications.
Energy-saving power supply: 4 operating modes with only 44μA in deep sleep mode, built-in lithium battery management for mobile applications.
Compact design: ESP32 C3 Devkit only 21 x 17.5 mm (thumb size) with 11 digital and 4 analogue I/O pins (PWM, ADC, UART, I2C, SPI).

12,98 €
09

Heemol

Heemol For XIAO ESP32-C3 Development Board, ESP32 C3 WLAN BLE5.0 Microcontroller, Battery Charging Supported, Energy Efficiency and Rich Interface, Ideal for Smart Homes, IoT, Portable Devices

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8.2

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

[Versatile Interfaces & Compact Size] The thumb-sized design (21x17.5mm) is compatible with breadboards and SMD mounting. It offers 11 digital inputs/outputs (PWM) and 4 analog inputs/outputs (ADC) and supports UART/IIC/SPI/IIS buses to meet the needs of complex IoT projects and peripheral expansion needs.
[Powerful Wireless Connectivity] The built-in U.FL antenna interface supports 2.4GHz Wi-Fi and BLE 5.0 with long range. This enables stable wireless control in smart home and robotics applications and ensures reliable data transmission during prototype development.
[Low power consumption and efficient battery management] Deep sleep mode (up to 44µA) meets the requirements of energy-saving IoT applications. The integrated IC for battery management is compatible with lithium-ion and lithium-polymer batteries and is ideal for developing wirelessly controlled and battery-powered portable devices.
[Edge Computing and Learning] Optimized for TinyML and Edge AI applications, it is ideal for educational scenarios and beginners who want to expand their skills. Whether intelligent sensor data acquisition or complex IoT projects, this development board provides powerful computing power.
[ESP32-C3 Core Processor] Equipped with an ESP32-C3 32-bit RISC-V chip (160MHz clock frequency), this micro microcontroller board natively supports the Arduino IDE and CircuitPython. It is optimized for IoT controller scenarios and is ideal for developers who want to prototype and develop intelligent sensors.

12,98 €
10

seeed studio

Seeed Studio XIAO RP2040 Microcontroller, with Dual Core ARM Cortex M0+ Processor, Supports Arduino, MicroPython and CircuitPython with Rich Interfaces

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7.9

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

【Small Size】As small as a thumb (20 x 17.5 mm) for portable devices and small projects.
Wide compatibility: pins compatible with Seeeduino XIAO and support Seeeduino XIAOs expansion board.
Powerful MCU: XIAO RP2040 is a microcontroller with the Raspberry RP2040 chip with 264 KB SRAM and 2 MB built-in flash memory. This microcontroller has a dual-core ARM Cortex M0+ processor and can run at up to 133 MHz.
Multiple interfaces: This version of XIAO has 11 digital pins, 4 analogue pins, 11 PWM pins, 1 I2C interface, 1 UART interface, 1 SPI interface, 1 SWD bonding pad interface.
FLEXIBLE COMPATIBILITY Support Micropython/Arduino/CircuitPython. Easy project operation: Breadboard-friendly and SMD design, no components on the back.

16,99 €