RP2040-Zero, high-performance Pico-like MCU board based on Raspberry Pi microcontroller RP2040
Dual-core Arm Cortex M0+ processor, flexible 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
2 x SPI, 2 x I2C, 2 x UART, 4 x 12-bit ADC, 16 x controllable PWM channels
29 x multi-function GPIO pins--configurable pin function, allows flexible development and integration