Raspberry Pi Pico

1. 26 × multi-function GPIO pins
2. 2 × SPI, 2 × I2C, 2 × UART, 3 × 12-bit ADC, 16 × controllable PWM channels
3. Temperature sensor
4. Accurate clock and timer on-chip
5. Onboard temperature sensor
6. Accelerated floating-point libraries on-chip
7. 8 × Programmable I/O (PIO) state machines for custom peripheral support