RP2350B-Plus-W is a tiny size, low-cost, high-performance MCU board designed by Waveshare. Based On Raspberry Pi RP2350B microcontroller, equipped with the Raspberry Pi Radio Module 2, integrated with 16MB Flash memory and reserved solder pads for PSRAM chip expansion, which makes it easy for you to develop and integrate into products quickly.

• RP2350B microcontroller chip designed by Raspberry Pi in the United Kingdom
• Adopts unique dual-core and dual-architecture design: dual ARM Cortex-M33 or dual Hazard3 RISC-V processors support, flexible clock running up to 150 MHz
• Equipped with the Raspberry Pi Radio Module 2, supports Wi-Fi 4 and Bluetooth 5.2
• 520KB of SRAM, and 16MB of onboard Flash memory, with reserved solder pads for PSRAM chip expansion
• Type-C connector, keeps it up to date, easier to use
• USB 1.1 with device and host support
• Low-power sleep and dormant modes
• Drag-and-drop programming using mass storage over USB
• 41 × multi-function GPIO pins
• 1 × HSTX, 2 × SPI, 2 × I2C, 2 × UART, 6 × 12-bit ADC, 22 × controllable PWM channels
• Accurate clock and timer on-chip
• Temperature sensor
• Accelerated floating-point libraries on-chip
• 12 × Programmable I/O (PIO) state machines for custom peripheral support