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2796: Adafruit Feather M0 Adalogger - ATSAMD21 Cortex M0

Summary

This is the Adafruit Feather M0 Adalogger - our take on an 'all-in-one' Cortex M0 datalogger (or data-reader) with built in USB and battery charging. It's an Adafruit Feather M0 with a microSD holder ready to rock!

At the Feather M0's heart is an ATSAMD21G18 ARM Cortex M0 processor, clocked at 48 MHz and at 3.3V logic. This chip has a whopping 256K of FLASH (8x more than the Atmega328 or 32u4) and 32K of RAM (16x as much)! This chip comes with built in USB so it has USB-to-Serial program & debug capability built in with no need for an FTDI-like chip.

To make it easy to use for portable projects, we added a connector for any of our 3.7V Lithium polymer batteries and built in battery charging. You don't need a battery, it will run just fine straight from the micro USB connector. But, if you do have a battery, you can take it on the go, and then plug in the USB to recharge.

The Feather will automatically switch over to USB power when it's available. We also tied the battery thru a divider to an analog pin, so you can measure and monitor the battery voltage to detect when you need a recharge.

Specifications

Manufacturer Adafruit Industries LLC
Category Open Source MCU Platforms
Eval Board Part Number 1528-1539-ND
Eval Board Supplier Adafruit Industries LLC
IDE Arduino IDE, with Software Add-on
Speed 48 MHz
Bits 32 Bit
Memory, Flash/RAM 256 kB / 32 kB
Digital I/O 24 I/O, 8 PWM
Interface I²C
SD Card
SPI
UART
USB
Analog Outputs (DACs) 8 x 8 Bit
Analog Inputs (ADCs) 10 x 8 Bit
DMA Channels 12
Features Feather Compatible
LiPoly Charger
Power/Enable Pin
Power-On Reset
Real Time Clock
Radio -
Interrupt Pins 16
I/O Voltage 3.3 V
Input Voltage 3.7 ~ 5.5 V
Touch Sensing Pins -
Program/Debug Interface USB Type-Micro B
Area 1161² mm, 1.8² In
Main I.C. Base Part ATSAMD21
Design Author
Date Created By Author
Date Added To Library 2018-07

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