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arduino ZERO M0 compatible keychain AtSamD21E18

It is Winxi predecessor, but maybe interesting for someone ... It have real wings :) .... like Always wings :D

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Native 3.3V, many sensors, modules and SD cards are working on this voltage level
I want small board => more fun without shields => integrate some basic components on board
user button
user led
micro SD Card reader (not supported in arduino IDE now)
RGB LED
I think really nice shape :)
micro shields (coming soon > touch, encoder, 7 segment ...)

Features

Atsamd21E18 (TQFP32 > same size as atmega328), more soldering fiendly than Atsamd21G18 (LQFP48)
no EDBG chip, programming via native usb only
256kb flash
micro SD card reader

Pinout:

Edge header: GND, 3.3V,SDA,SCL,RESET, RX,TX,PA04,PA03,PA02(10bit DAC)
Left wing: GND, 3.3V, PA08, PA09, PA14
Right wing: PA28 (Usb host ID), GND, JTAG (reset, gnd, 3.3v, swc,swd)
Powered from usb, it is great, you can use any your phone charger, powerbank etc...
No jtag programmer required, board have integrated USB bootloader

vote what is better Winxi or this ???

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Discussions

fabian wrote 07/21/2018 at 20:13 • point

please add encrypting sd card or one time password like yubikey

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Brijesh Sondarva wrote 09/01/2017 at 12:28 • point

hi is it working fully as a SD Card reader like as market made PC SD Card reader..???

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bobricius wrote 09/01/2017 at 14:56 • point

no sd card not working, Is not supported in arduino IDE and I am bad programmer to make driver

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Hendra Kusumah wrote 03/27/2016 at 14:49 • point

This project remind me to digispark on steroid. You have my skull sir

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