Raspberry Pi Pico W Original Q2 C2

RP2040 microcontroller with 2MB of flash memory

On-board single-band 2.4GHz wireless interfaces (802.11n)

Micro USB B port for power and data (and for reprogramming the flash)

40 pin 21mmx51mm ‘DIP’ style 1mm thick PCB with 0.1″ through-hole pins also with edge castellations

Exposes 26 multi-function 3.3V general purpose I/O (GPIO)

23 GPIO are digital-only, with three also being ADC capable

Can be surface mounted as a module

3-pin ARM serial wire debug (SWD) port

Simple yet highly flexible power supply architecture

Various options for easily powering the unit from micro USB, external supplies or batteries

High quality, low cost, high availability

Comprehensive SDK, software examples, and documentation

Dual-core Cortex M0+ at up to 133MHz

On-chip PLL allows variable core frequency

264kByte multi-bank high-performance SRAM