SparkFun Thing Plus - RP2040

The SparkFun Thing Plus RP2040 combines the Raspberry Pi Foundation's RP2040 microcontroller with SparkFun's feature-rich Thing Plus form factor. With 16MB flash, LiPo battery support with charging and fuel gauge, microSD slot, and Qwiic connectivity, it's ready for portable and connected projects.

The dual-core ARM Cortex-M0+ processor runs at up to 133MHz and supports C/C++ and MicroPython development with UF2 boot for easy programming.

Key Features

• RP2040 Microcontroller – Dual ARM Cortex-M0+ @ 133MHz
• 16MB Flash – External QSPI flash for program storage
• LiPo Battery Support – JST connector with 500mA charging and fuel gauge
• MicroSD Card Slot – Expandable storage
• Qwiic Connector – Easy I²C sensor integration
• USB-C – Host and device support
• Addressable RGB LED – WS2812 on GPIO 8
• Thing Plus / Feather Footprint – Wide ecosystem compatibility

Specifications

• Processor: Dual ARM Cortex-M0+ @ 133MHz
• SRAM: 264KB (6 banks)
• Flash: 16MB QSPI
• GPIO: 18 multifunction pins
• ADC: 4 channels, 12-bit (500 kSa/s)
• Interfaces: 2× UART, 2× I²C, 2× SPI, 8× PWM
• Dimensions: 2.3" × 0.9"

Onboard LEDs

• PWR (red) – 3.3V power indicator
• CHG (yellow) – Battery charging
• GPIO 25 (blue) – Status/test LED
• WS2812 – Addressable RGB

Development Support

• C/C++ with Pico SDK
• MicroPython
• UF2 bootloader
• JTAG debugging via PTH pins

Resources

• RP2040 Datasheet (PDF)