duinotech samd21 main board with WiFi
XC3812
Duinotech SAMD21 is an Arduino-compatible development board based on the SAMD21 chip, a low-power ARM Cortex-M0+ microcontroller. It's often used for compact and low-power IoT projects due to its small form factor and integrated Wi-Fi module (W600). The board can be powered and programmed via a USB Type-C port and features various input/output pins, including analog and digital