RP2040 microcontroller chip designed by Raspberry Pi in the United Kingdom; Dual-core Arm Cortex M0+ processor, flexible clock running up to 133 MHz; 264KB of SRAM, and 2MB of onboard Flash memory Onboard FPC 8PIN connector, adapting USB Type-C port via adapter board; Castellated module allows soldering direct to carrier boards USB 1.1 with device and host support; Low-power sleep and dormant modes Drag-and-drop programming using mass storage over USB, up to 20 × multi-function GPIO pins; Supports FSK, GFSK, LoRa modulation, featuring better anti-blocking and ultra-long distance communication; With -148dBm high reception sensitivity and programmable emit power up to 22dBm; Supports preamble detection, with CRC, up to 256 bytes data packet engine; Comes with online resources and manual (example in C)