Support C/C++ MicroPython complete SDK open source materials tutorial easy to use can be quickly embedded in applicationsDual-core Arm Cortex M0+ processor flexible clock running up to 133 MHz264KB of SRAM and 2MB of on-board Flash memory; USB-C connector keeps it up to date easier to useCastellated module allows soldering direct to carrier boards; USB 1.1 with device and host supportLow-power sleep and dormant modes; Drag-and-drop programming using mass storage over USB