Seeeduino XIAO Microcontroller - SAMD21 Cortex M0+ KIT

Specification : CPU: ARM Cortex-M0+ CPU(SAMD21G18) running at up to 48MHz 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 Dimensions: 20x17.5x3.5 mm Typical Application Wearable devices Rapid prototyping (directly attached to the expanded PCB as a minimal system) Perfect for all the projects 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 Package list : 1 x Seeeduino XIAO - Arduino Microcontroller - SAMD21 Cortex M0+ 4 x 7pins heade 1 x Grove Shield for Seeeduino XIAO Sources : https://wiki.seeedstudio.com/Grove-Shield-for-Seeeduino-XIAO-embedded-battery-management-chip/