The Waveshare Pi RP2350A Raspberry Pi USB Mini Development Board is a compact, high-performance microcontroller development board based on the Raspberry Pi RP2350A. It features a unique dual-core, dual-architecture design, combining dual-core Arm Cortex-M33 processors with dual-core Hazard3 RISC-V processors, with a flexible clock speed of up to 150MHz.

With 520KB SRAM, 2MB onboard NOR Flash, 15 multifunction GPIO pins, USB connectivity, programmable I/O, ADC, PWM, SPI, I2C, and UART interfaces, this board provides a powerful platform for embedded development, robotics, automation, IoT, USB devices, sensor projects, and rapid prototyping.

The compact design includes a USB Type-C connector, USB Type-A expansion port, BOOT and RESET buttons, WS2812 RGB LED, low-noise 500mA LDO regulator, and castellated edges for direct soldering onto custom carrier PCBs. Drag-and-drop USB programming makes firmware installation simple, while support for C/C++ and Arduino IDE provides an accessible development environment for both beginners and experienced developers.

BDTronics supplies Waveshare development boards, Raspberry Pi microcontroller boards, embedded electronics, and prototyping components in Bangladesh.

Features:

• Based on Raspberry Pi RP2350A microcontroller

• Dual-core, dual-architecture processor design

• Dual-core Arm Cortex-M33 processor

• Dual-core Hazard3 RISC-V processor

• Flexible clock speed up to 150MHz

• 520KB onboard SRAM

• 2MB onboard NOR Flash memory

• 15 multifunction GPIO pins

• USB Type-C connector

• USB 1.1 host and device support

• Onboard USB Type-A expansion connector

• USB 2.0/1.1 transmission through PIO

• Castellated module design for direct PCB soldering

• Drag-and-drop USB programming

• BOOT button for firmware download mode

• RESET button for quick system reset

• 2 × SPI interfaces

• 2 × I2C interfaces

• 2 × UART interfaces

• 4 × 12-bit ADC channels

• 14 × controllable PWM channels

• 12 programmable PIO state machines

• Built-in temperature sensor

• Accurate hardware clock and timer

• Hardware-accelerated floating-point libraries

• Low-power sleep and dormant modes

• Onboard WS2812 programmable RGB LED

• RT9013-33GB 500mA low-noise LDO regulator

• Compact USB Mini development board design

• Supports C/C++ programming

• Supports Arduino IDE

• Suitable for embedded systems and rapid prototyping

Specifications:

• Product Type: USB Mini Development Board

• Microcontroller: Raspberry Pi RP2350A

• Processor Architecture: Dual Arm Cortex-M33 + Dual Hazard3 RISC-V

• Maximum Clock Frequency: Up to 150MHz

• SRAM: 520KB

• Onboard Flash: 2MB

• Flash Type: W25Q16JVUXIQ NOR Flash

• GPIO: 15 multifunction GPIO pins

• ADC: 4 × 12-bit ADC

• PWM: 14 controllable PWM channels

• SPI: 2

• I2C: 2

• UART: 2

• PIO: 12 programmable PIO state machines

• USB: USB 1.1

• USB Type-C: Programming and USB connectivity

• USB Type-A: Onboard expansion connector

• USB Host: Supported

• USB Device: Supported

• RGB LED: WS2812

• Voltage Regulator: RT9013-33GB

• Regulator Current: 500mA

• Temperature Sensor: Built-in

• Programming Method: USB drag-and-drop / mass storage

• Programming Languages: C, C++

• Arduino Support: Yes

• Low Power Modes: Sleep and Dormant

• Mounting: Castellated edges

• Architecture: Dual-core, dual-architecture

Onboard Components:

• RP2350A microcontroller

• W25Q16JVUXIQ 2MB NOR Flash

• USB Type-C connector

• USB Type-A connector

• BOOT button

• RESET button

• WS2812 RGB LED

• RT9013-33GB 500mA LDO regulator

Programming and Development

The RP2350A USB Mini supports a wide range of development workflows, making it suitable for both educational and professional embedded projects.

• C/C++ development

• Arduino IDE development

• Raspberry Pi RP2350 SDK

• USB drag-and-drop firmware programming

• Custom USB host and device development

• Programmable I/O development

• GPIO, PWM, ADC and communication interface projects

• Custom carrier board integration

How to Use

• Connect the development board to a computer through the USB Type-C connector.

• Install the required development environment such as Arduino IDE or a compatible C/C++ SDK.

• Select the appropriate RP2350 board configuration in your development environment.

• Compile and upload the firmware through USB.

• For drag-and-drop programming, enter download mode using the BOOT button as required.

• Use the 15 GPIO pins to connect sensors, displays, motors, LEDs, communication modules, and other peripherals.

• Use SPI, I2C, or UART interfaces for external modules and devices.

• Use PWM outputs for LED dimming, servo control, motor control, and other timing applications.

• Use ADC inputs for reading analog sensors and voltage signals.

• Use PIO for custom high-speed peripheral and digital communication applications.

Applications

• Embedded system development

• Raspberry Pi RP2350 projects

• Microcontroller programming

• Robotics

• IoT devices

• Smart home projects

• Industrial automation

• Sensor interfaces

• Data acquisition

• USB host projects

• USB device development

• Motor control

• PWM control

• LED control

• Display interfaces

• Wireless module control

• Communication projects

• Arduino projects

• RISC-V development

• ARM Cortex-M33 development

• Custom PCB prototyping

• Carrier board development

• Educational electronics projects

• Rapid prototyping

Package Includes

• 1 × Waveshare RP2350A USB Mini Development Board

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