Adafruit Feather RP2350

Name: Adafruit Feather RP2350
Brand: Adafruit Feather RP2350

Compact Feather board with RP2350 dual‑core MCU and high‑speed HSTX port.

hardwareMicrocontrollers & PrototypingFeatherRP2350Microcontroller

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Our Verdict

Best for

Makers needing dual‑core performance and high‑speed HSTX in Feather form factor

Skip if

Projects requiring built‑in Wi‑Fi or large RAM

What is Adafruit Feather RP2350?

The Adafruit Feather RP2350 brings the powerful Raspberry Pi RP2350 microcontroller to the popular Feather ecosystem. With a dual‑core Cortex‑M33 running up to 300 MHz, it offers desktop‑class performance in a 2‑inch‑by‑0.9‑inch board. It features a dedicated HSTX port for high‑speed serial data, 2 MB of QSPI flash, USB‑C power and programming, and full compatibility with Adafruit’s CircuitPython and Arduino libraries, making it ideal for rapid prototyping.

SpecificationsAI-estimated

msrp$12.50

warranty1 year

dimensions51 mm x 23 mm (2.0" x 0.9")

open source✅ Yes

Key Features of Adafruit Feather RP2350

The board runs the Raspberry Pi RP2350 dual‑core Cortex‑M33 processor at up to 300 MHz, delivering high‑performance compute for demanding embedded tasks.

It includes a dedicated high‑speed HSTX (High‑Speed Transmit) port for fast serial communication up to several megabits per second.

On‑board 2 MB QSPI flash provides ample storage for firmware, assets, and CircuitPython scripts.

The Feather‑compatible pin layout lets you stack standard Feather accessories and batteries via the JST‑PH connector.

A USB‑C connector supplies both power and programming/debugging over the native RP2350 USB interface.

The board operates at 3.3 V logic with built‑in voltage regulators, supporting a wide range of sensors and peripherals.

It is fully supported by Adafruit’s CircuitPython and Arduino cores, enabling rapid prototyping in familiar environments.

Use Cases for Adafruit Feather RP2350

IoT Sensor Node

Collect and transmit sensor data over high‑speed serial links for edge analytics.

Wearable Device

Power‑efficient, compact platform for health monitoring with battery support.

Robotics Controller

Drive motors and process vision data using the RP2350’s high compute capability.

High‑Speed Data Logger

Capture and store large streams of data quickly via the HSTX interface.

Pros & Cons of Adafruit Feather RP2350

Pros

High-performance dual‑core processor.
Feather‑compatible layout for easy expansion.
Dedicated high‑speed HSTX port.
Supported by both CircuitPython and Arduino.

Cons

No built‑in wireless connectivity.
Limited RAM compared to larger MCUs.
Requires external level shifting for 5 V peripherals.

Frequently Asked Questions

What programming languages are supported?

The board can be programmed with Adafruit’s CircuitPython, Arduino, and the RP2350 SDK in C/C++.

Does it have built‑in Wi‑Fi or Bluetooth?

No, the Feather RP2350 does not include wireless modules; they can be added via Feather‑compatible add‑ons.

How is the HSTX port used?

The HSTX pin provides a high‑speed serial output suitable for fast data transfer to external devices or other microcontrollers.

What voltage does the board operate at?

All I/O pins are 3.3 V tolerant, with on‑board regulators handling 5 V from USB‑C or a LiPo battery.

Pricing Overview

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Paid (One-time)

Detailed plans are not listed. Visit the official website for pricing information.

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