The XIAO of Seed Studio is a thumb sized development board. "XIAO" means small but powerful. The shape factor of standard thumb size of XIAO series boards is 21mm × 17.5mm. All XIAO development boards are supported by such powerful and popular chips as SAMD21, nRF52840 and ESP32C3, making them ideal for wide application. Up to 11 available IOs support multiple interfaces, including analog, digital, IIC, UART, SPI, etc.
In addition, it is compact and all surface mount components are placed on the same side of the board, so designers can easily integrate XIAO into their boards for rapid mass production
