Raspberry Pi RP2040-Zero controller PICO development board with pin header

Adopt RP2040 microcontroller chip officially designed by Raspberry Pi
Equipped with dual-core ARM Cortex MO+ processor, running frequency up to 133MHz flexible clock
Built-in 264KB SRAM and 2MB on-chip Flash
Real stamp hole design, can be directly welded and integrated into the base plate designed by the user.
USB1.1 host and device support
Supports low power sleep and hibernate modes
Drag-and-drop program download via USB recognition as mass storage
29 GPIO pins of RP2040 are led out (20 can be led out through pin headers, and the rest can only be led out by soldering)
2 SPI, 2 2C, 2 UART, 4 12-bit ADC, 16 controllable PWM channels
Accurate on-chip clocks and timers
Temperature Sensor
On-chip accelerated floating-point library
8 programmable I/O (PIO) state machines for custom peripheral support