Pimoroni Pico Plus 2 W features mysterious ‘Raspberry Pi RM2’ Wi-Fi chip

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Pimoroni Pico Plus 2 W features mysterious ‘Raspberry Pi RM2’ Wi-Fi chip

The Raspberry Pi Pico 2 is still fresh in our minds, but Pimoroni are looking to the future and has created its own Wi-Fi enabled version of the Pico 2, the

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. Pimoroni has early access to the “Raspberry Pi RM2” the module which could one day grace the official Raspberry Pi Pico 2 W.

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(Image credit: Pimoroni)

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(Image credit: Pimoroni)

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Feature	Raspberry Pi Pico 2 W	Raspberry Pi Pico 2
SoC	RP2350B, Dual Core Arm Cortex M33 or Dual Core RISC-V Hazard3 running at up to 150 Mhz	RP2350A, Dual Core Arm Cortex M33 or Dual Core RISC-V Hazard3 running at up to 150 Mhz
SRAM / PSRAM	8MB	520KB
Flash Storage	16MB QSPI	4MB QSPI
Security	Arm TrustZone, 8KB OTP, Secure Boot	Arm TrustZone, 8KB OTP, Secure Boot
Wi-Fi / Bluetooth	Raspberry Pi RM2 2.4 GHz Wi-Fi / Bluetooth	None
Language Support	MicroPython, CircuitPython, C, C++	MicroPython, CircuitPython, C, C++
USB Interface	USB 1.1 Device and Host	USB 1.1 Device and Host
GPIO Logic Level	3.3V	3.3V
GPIO	26 x Digital IO	26 x Digital IO
Row 9 – Cell 0	4 x 12-bit ADC (Analog pins)	3 x 12-bit ADC (Analog pins)
Row 10 – Cell 0	2 x UART, 2 x I2C, 2 x SPI, 24 x PWM	2 x UART, 2 x I2C, 2 x SPI, 16 x PWM
Row 11 – Cell 0	Qw/ST and SWD connectors	Row 11 – Cell 2
Row 12 – Cell 0	Reset button	Row 12 – Cell 2
Row 13 – Cell 0	User LED	Row 13 – Cell 2
Programmable IO	12 PIO State Machines	8 PIO State Machines
Onboard LED	GPIO 25	GPIO 25
Power	1.8 to 5.5V via Micro USB or VSYS	1.8 to 5.5V via Micro USB or VSYS
MCU Sleep Mode	<10uA	100uA
Dimensions	21 x 53mm	21 x 53mm
Price	$20	$4

Essentially, the Pico Plus 2 W is a Pico Plus 2 with a radio module, but comparing the Pico Plus 2 to the Raspberry Pi Pico 2 shows just how powerful the Plus 2 really is.
Powered by the RP2350B, the Pimoroni Pico Plus 2 W has a huge 8MB of PSRAM and 16MB of QSPI flash storage. This is a fully-loaded, maxed out Raspberry Pi Pico! The pinout of the Pimoroni Pico Plus 2 W matches that of the Raspberry Pi Pico and Pico 2, but Pimoroni has also managed to squeeze a Qw/St connector (Stemma QT) and SWD debug port. Data and power duties are provided by a USB type C port, and that makes us very happy.

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(Image credit: Pimoroni)

But the icing on the cake is the Raspberry Pi RM2 module which looks like an ESP32 type package but inside the module is an Infineon CYW43439. This is the same chip as used in the Raspberry Pi Pico W, and that means we should be able to get online with just a few lines of MicroPython. The Raspberry Pi RM2 also provides Bluetooth connectivity.

As mentioned at the start of the article, Pimoroni has early access to the Raspberry Pi RM2 module, and that means we could see this official module in the Raspberry Pi Pico 2 W, when it arrives later in the year. It is certainly feasible, given that it has Raspberry Pi’s name all over it.

Tom’s Hardware has a Pimoroni Pico Plus 2 W unit on the way for review.

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