Raspberry Pi Pico WH (pre-soldered headers)

Technical specifications
- RP2040 microcontroller
- Infineon CYW43439 wireless chip
- IEEE 802.11 b/g/n wireless LAN and Bluetooth 5.2
- 2 MB QSPI flash memory
- 256 KB RAM
- 2x 20 I/O pin header (30x GPIO pins 3.3V)
- ADC 12-Bit 500ksps
- 2x UART / 2x I2C / 2x SPI / 16x PWM
- RTC / Timer with 4 alarms
- pin spacing: 2,54 mm
- 3-pin ARM Serial Wire Debug (SWD) connector
- Micro-USB 1.1 for power and data transfer
- dimensions (LxWxH): 51.3 x 21 x 3.9 mm

Programming language
- MicroPython
- C/C++


https://pico.raspberrypi.org/getting-started/
https://github.com/micropython/micropython/wiki
https://forum.micropython.org/
https://pico.raspberrypi.org/sdk/index.html