Adafruit Feather M0 Basic Proto – ATSAMD21 Cortex M0 [ADA2772]

Amazon.com Price: $28.31 (as of 07/04/2023 16:16 PST- Details)

Measures 2.0″ x 0.9″ x 0.28″ (51mm x 23mm x 8mm) without headers soldered in
Light as a (large?) feather – 4.6 grams. 32.768 KHz crystal for clock generation & RTC
ATSAMD21G18 @ 48MHz with 3.3V logic/power 256KB of FLASH + 32KB of RAM No EEPROM. You also get tons of pins – 20 GPIO pins Hardware Serial, hardware I2C, hardware SPI support PWM outputs on all pins 6 x 12-bit analog inputs 1 x 10-bit analog ouput (DAC)

Description

ATSAMD21G18 @ 48MHz with 3.3V logic/power
256KB of FLASH + 32KB of RAM
32.768 KHz crystal for clock generation & RTC
3.3V regulator with 500mA peak current output
USB native support, comes with USB bootloader and serial port debugging

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