Raspberry Pi Pico H Hardware Specifications: Dual-core Arm Cortex-M0+ processor, flexible clock running up to 133 MHz 264kB on-chip SRAM 2× UART, 2 × SPI controllers, 2 × I2C controllers, 16 × PWM channels 1× USB 1.1 controller and PHY, with host and device support 8× Programmabl...