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Development board based on the Raspberry Pi RP2040 microcontroller with a dual-core ARM Cortex-M0+ processor running at up to 133 MHz, 264 KB of SRAM and 2 MB of Flash memory. The Plus version expands the XIAO RP2040 design with 15 additional GPIOs, providing a total of 29 GPIOs, as well as integrated Li-Ion battery management and software-controlled battery voltage monitoring. It supports Arduino, MicroPython, CircuitPython and other development environments while retaining compact dimensions of 21 x 17.8 mm. Seeed Studio 100059977
The Seeed Studio XIAO RP2040 Plus development board features the Raspberry Pi RP2040 microcontroller with two ARM Cortex-M0+ cores running at up to 133 MHz. The microcontroller provides 264 KB of SRAM, while the board includes 2 MB of Flash memory. The Plus version provides 29 GPIOs, including 26 digital pins, 4 analog pins and 26 PWM channels, as well as 2 I2C interfaces, UART and SPI. Compared with the standard XIAO RP2040 design, 15 additional GPIOs are available through 1.27 mm pitch SMD castellated pads. The board retains the 21 x 17.8 mm XIAO form factor and can be mounted as an SoM directly onto a custom PCB.

The integrated PMIC enables direct connection of a Li-Ion battery and provides backflow protection between the 3.3 V and BAT lines. Battery voltage can be monitored in software - GPIO24 (BAT_EN) enables the battery sensing circuit, while GPIO29 (A3) allows the voltage to be measured through the ADC. The board supports Arduino, PlatformIO, MicroPython, CircuitPython, TinyGo, Rust and Zephyr, as well as the RP2040's PIO state machines. The expanded I/O resources and battery support allow the XIAO RP2040 Plus to be used in portable devices, wearables, IoT sensors, USB HID devices, robotics, measurement systems and custom devices integrating the module directly onto a PCB.
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Development kit with ATSAMD21G18A microcontroller. It has 14 GPIO connectors, including 11 digital and analog pins, 10 PWM, DAC, I2C, UART, SPI, SWD. Compatible with Arduino. Seeed Studio 102010388
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A development board based on the Silicon Labs EFR32MG24 SoC that supports Matter®, Thread®, and Bluetooth® Low Energy 5.3, making it ideal for IoT applications such as smart homes and wearables. With 4MB Flash and 256kB RAM, the board enables more complex applications, including AI, and its low power consumption makes it an excellent choice for battery-powered projects. The board offers broad compatibility with additional XIAO modules, allowing for easy expansion of projects, and built-in security features ensure data and applications are protected. Seeed Studio 102010610
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Compact development board based on the ESP32-S3 Xtensa LX7 dual-core processor, offering WiFi, Bluetooth 5.0 and very low power consumption, with external 2.4 GHz antenna (IPEX/u.FL connector), suitable for advanced IoT and wearable applications. The Plus version features extended 16 MB Flash, 20 GPIO pins and onboard lithium battery charging management, increasing versatility and functionality. Seeed Studio 102010671
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Compact and energy-efficient solution combining Bluetooth 5.0 and LoRa (862–930 MHz), ideal for IoT projects requiring long range and low power consumption. It uses the XIAO nRF52840 MCU with Cortex-M4 core and support for multiple interfaces and the LoRa SX1262 module for reliable wireless communication. The kit is perfect for applications such as Meshtastic, asset tracking, sensor networks or educational projects. Seeed Studio 102010710
Development board based on the Raspberry Pi RP2040 microcontroller with a dual-core ARM Cortex-M0+ processor running at up to 133 MHz, 264 KB of SRAM and 2 MB of Flash memory. The Plus version expands the XIAO RP2040 design with 15 additional GPIOs, providing a total of 29 GPIOs, as well as integrated Li-Ion battery management and software-controlled battery voltage monitoring. It supports Arduino, MicroPython, CircuitPython and other development environments while retaining compact dimensions of 21 x 17.8 mm. Seeed Studio 100059977