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)
