Raspberry Pi RP2040-Zero Microcontroller PICO

RP2040 microcontroller chip designed by Raspberry Pi in the United Kingdom
Dual-core Arm Corte* M0+ processor, fle*ible clock running up to 133 MHz
264KB of SRAM, and 2MB of on-board Flash memory
USB-C connector, keeps it up to date, easier to use
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
Accurate clock and timer on-chip
Temperature sensor
Accelerated floating-point libraries on-chip
8 * Programmable I/O (PIO) state machines for custom peripheral support