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Gerbers
DragonShield-BOM.pdf
DragonShield-bom.txt
DragonShield-pcb.png
DragonShield-schematic.pdf
DragonShield.brd
DragonShield.sch
README.markdown

README.markdown

DragonShield v1.0

Alt text

Dragino daughterboard with SPI real-time clock, socket for XBee 802.15.4 module or similar "Bee" module and micro-SD card socket.

The XBee module is simply connected to the serial UART on the AR2317.

The RTC and the micro-SD card are connected to the AR2317's GPIO pins, and an appropriate SPI interface can be implemented through an appropriate driver within the OS.

More documentation to be written in future.

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