As we already know Raspberry Pi Pico is an entirely new type of development board based on RP2040, a new microcontroller from Raspberry Pi launched in January 2021. It a small, cheap, and flexible. it’s great for learning to code with MicroPython! Raspberry Pi RP2040 is a new microcontroller based on ARM M0+ architecture. Which is developed completely by the Raspberry PI Foundation.

However, now PICO has been improved by including a 2.4GHz wireless interface while keeping the same form factor as the previous one, and a New variant of PICO has arrived with the name Raspberry PI PICO WH and included the significant features listed below.

At the heart of each product is RP2040, a Raspberry Pi-designed chip, which features two ARM Cortex-M0+ cores clocked at 133MHz; 256KB
RAM; 30 GPIO pins; and a broad range of interfacing options. This is paired with 2MB of onboard QSPI Flash memory for code and data
storage. Raspberry Pi Pico W and Pico WH incorporate an Infineon CYW43439 wireless chip. CYW43439 supports IEEE 802.11 b/g/n wireless LAN,
and Bluetooth 5.2; of these, only wireless LAN is supported at launch.

Features:
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

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