SparkFun Thing Plus - SAMD51 Development Board Powerful microcontroller with Qwiic connect system and integrated regulated LiPo charger No Soldering required
- ATSAMD51J20 microcontroller 32-bit ARM Cortex-M4F MCU Up to 120MHz CPU speed 1MB flash memory 256KB SRAM Up to 6 SERCOM interfaces.
- Micro-B USB interface for programming and power.
- 4Mb (external) flash memory - Headers not included.