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Raspberry Pi Foundation brings Wi-Fi to Pico microcontroller


Last year, the Raspberry Pi Foundation launched the first product based on silicon that was developed in-house. Now the Pico microcontroller has been upgraded with built-in Wi-Fi for running new Internet-of-Things projects.

Almost two million Picos have been shipped to tinkerers since its January 2021 launch, while the RP2040 microcontroller chip it’s built around – which features two 133-MHz Arm Cortex-M0+ cores, 2-MB of flash storage, 264 kB of SRAM and a bunch of input/output pins – is reported to have “found its way into a huge number of third-party products.”

Designed to control other hardware rather than serve as a standalone mini computer, the new Pico W is essentially the same 2 x 0.9-in (51 x 21-mm) board as before, but adds an 802.11n Wi-Fi radio so that project creators no longer have to use up valuable pins connecting bulky external network accessories. And existing Pico projects can be upgraded to the new board thanks to complete pin compatibility.

The diminutive Pico W is designed to control other hardware rather than serve as a standalone mini computer

The diminutive Pico W is designed to control other hardware rather than serve as a standalone mini computer

Raspberry Pi Foundation

Intriguingly, the Infineon CYW43439 chip used here also supports Bluetooth 5.2 connectivity, which hasn’t been enabled on the Pico W as yet but that situation could change in the future.

As you might expect, the addition of a wireless networking chip means that the Pico W is priced higher than the still available Pico – at US$6 each, rather than $4.

Two more Pico boards have also been revealed as well, which come with headers already attached to the pins plus a new 3-pin debug connector. The Pico H costs $5, is available now and is essentially an upgrade to the Pico, while the $7 Pico WH does the same for the Pico W and will go on sale in August. The video below has more.

NEW Raspberry Pi Pico W – your $6 wireless microcontroller

Source: Raspberry Pi Foundation





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