Teensy-LC USB Development Board

Teensy-LC delivers an impressive collection of capabilities to make modern electronic projects simpler. It features an ARM Cortex-M0+ processor at 48 MHz, 62K Flash, 8K RAM, 12 bit analog input & output, hardware Serial, SPI & I2C, USB, and a total of 27 I/O pins.

Teensy-LC Technical Details are available here.

Teensy-LC maintains the same form-factor as Teensy 3.1, with most pins offering similar peripheral features.