The Seeeduino XIAO is the smallest member of the Seeeduino family. Seeeduino XIAO has the CPU-ARM® Cortex®-M0+(SAMD21G18) which is a low-power Arduino microcontroller on board. it has a good performance in processing but needs less power. As a matter of fact, it is designed in a tiny size and can be used for Arduino wearable devices and small projects.

Specifications

• Powerful CPU: ARM® Cortex®-M0+ 32bit 48MHz microcontroller(SAMD21G18) with 256KB Flash,32KB SRAM
• Flexible compatibility: Compatible with Arduino IDE
• Easy project operation: Breadboard-friendly
• Small size: As small as a thumb(20x17.5mm) for wearable devices and small projects.
• Multiple development interfaces: 11 digital/analog pins, 10 PWM Pins, 1 DAC output, 1 SWD Bonding pad interface, 1 I2C interface, 1 UART interface, 1 SPI interface.
• Storage: 256KB Flash,32KB SRAM
• I/O PINs: 14 GPIO PINs,11 analog PINs, 11 digital PINs, 1 DAC output Pin
• Interface: 1 I2C interface,1 UART interface, 1 SPI interface
• Power supply and downloading interface: USB Type-C interface
• LEDs: 1 user LED, 1 power LED, two LEDs for serial port downloading
• Reset button: two reset button short connect to reset
• Power Pads: For the battery power supply
• Software compatibility: Compatible with Arduino IDE
• Projection cover for protecting the circuit

Application

• Wearable devices
• Rapid prototyping (directly attached to the expanded PCB as a minimal system)
• Perfect for all the projects that need mini Arduino
• DIY keyboard
• USB development (USB to multi-channel TTL/USB host mode, etc.)
• A scenario where you need to read multiple mock values The DAC output