The SAMD51 Thing Plus provides you with an economical and easy to use development platform if you’re needing more power with minimal working space. This Thing even comes flashed with the same convenient UF2 bootloader as the RedBoard Turbo. The ATSAMD51J20 utilizes a 32-bit ARM Cortex-M4 processor with Floating Point Unit (FPU), running up to 120MHz, up to 1MB of flash memory, up to 256KB of SRAM with ECC, up to 6 SERCOM interfaces, and other features. In addition to the USB interface and Qwiic connection, a The SAMD51 Thing Plus provides a 600mA 3.3V regulator and LiPo charger.
Resources
Schematic
Eagle Files
Hookup Guide
Datasheet – SAMD51 Chip
Graphical Datasheet
GitHub Hardware Repo