• 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 on-board Flash memory

• 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

• 26 × multi-function GPIO pins

• 2 × SPI, 2 × I2C, 2 × UART, 3 × 12-bit ADC, 16 × controllable PWM channels

• 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