Product description: SparkFun IoT RedBoard - RP2350 - Arduino R4 compatible development board - SparkFun WRL-27708
SparkFun IoT RedBoard - RP2350 is an innovative platform for creators and programmers built in Arduino R4 format . It combines a powerful, dual-core RP2350 microcontroller with an RM2 radio module operating in WiFi 4 and Bluetooth 5.2 standards. The unique ability to choose the core architecture (ARM Cortex M33 or Hazard3 RISC-V) and support for many programming environments (Arduino IDE, MicroPython, Raspberry Pi Pico SDK) gives great versatility in implementing various IoT projects. Additionally, built-in elements such as a Li-Pol battery charging system, a microSD card slot and rich connectors provide convenience and wide expansion possibilities.
RedBoard connects the RP2350 microcontroller to the Raspberry Pi RM2 module.
Key Features of SparkFun IoT RedBoard - RP2350
- RP2350B : Dual-core microcontroller with a choice of ARM Cortex M33 or Hazard3 RISC-V architecture
- Wireless connectivity : WiFi 4 and Bluetooth 5.2 with BDR and EDR support
- Memory : 16 MB Flash and 8 MB PSRAM for extended applications
- Power supply : integrated MCP73831 battery charger and MAX17048 battery level meter
- Extensive interfaces : 48 GPIO, 8 analog inputs, UART, SPI, I2C, HSTX 22-pin
- Programming : Arduino R4, MicroPython, Raspberry Pi Pico SDK
- Additional elements : microSD card slot, Qwiic connector, debug connector, LED indicators
Practical applications
IoT RedBoard - RP2350 is perfect for projects requiring reliable wireless connectivity, such as smart environmental sensors, home automation devices, remote control and IoT system prototyping . Thanks to a rich set of interfaces and memory, it is possible to create advanced applications communicating in real time, with the possibility of expanding with external modules and sensors.
SparkFun IoT RedBoard - RP2350 Technical Specification
- Microcontroller: Raspberry Pi RP2350B dual-core (ARM Cortex M33 / Hazard3 RISC-V), clocked at up to 150 MHz
- Memory: 16 MB Flash, 8 MB PSRAM, 520 kB internal SRAM in 10 banks
- GPIO: 48 pins, 8 ADC inputs
- Interfaces: 2x UART, 2x SPI, 2x I2C, 8x HSTX pins, 24 PWM channels, 12 PIO state machines
- Connectivity: WiFi 4, Bluetooth 5.2 (BDR 1 Mbps, EDR 2 and 3 Mbps)
- Extras: microSD card slot, Qwiic connector, 3-pin debug connector, 22-pin HSTX connector
- Power supply: built-in MCP73831 charging circuit for single Li-Pol battery, MAX17048
- LEDs: PWR (Red), CHG (Yellow), STAT (Blue), WRL (Blue), RGB WS2812 (Data to RP2350 IO3)
- Buttons: reset, boot, user button
- Dimensions: approx. 68.58 x 58.42 mm


