Raspberry Pi Pico with pre-soldered header. 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