Model: Adafruit Feather 32u4 Bluefruit LE Light as a (large?) feather ?? 5.7 grams ATmega32u4 @ 8MHz with 3.3V logic/power 3.3V regulator with 500mA peak current output
ATSAME51 32-bit Cortex M4 core with 120 MH 32-bit, 3.3 V logic and power 512 KB Flash, 192 KB RAM 2 MB SPI FLASH chip 3.3V regulator with 500mA peak current output USB Type-C
5V logic with 3.3V compatible inputs can be converted to a 3.3V logic operation 32KB Flash Memory ?? 0.5K for bootloader Four indicator LEDs Easy reprogramming 31.5KB available after bootloading 16MHz Clock Speed
Same size, form factor, and pinout as a classic Trinket Updating ATtiny85 8-bit AVR for ATSAMD21E18 32-bit Cortex M0+ 256KB Flash??? 32x as much as 8 KB on ATtiny85 32 KB RAM??? 64x as much as 512 bytes on ATtiny85 48 MHz 32-bit processor ?? 6x as fast as ATtiny85 (not even taking into account 32-bit speedups) Native USB supported…
Microcontroller CH340 Operating Voltage 5V Input Voltage (recommended) 7-12V Input Voltage (limits) 6-20V Digital I/O Pins 54 (of which 15 provide PWM output) Analog Input Pins 16 DC Current per I/O Pin 40 mA Dimensions : 111 x 54 x 12 (LxWxH) mm.
