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HSC2011/Hardware: Unterschied zwischen den Versionen

Chrysn (Diskussion | Beiträge)
range tested
Chrysn (Diskussion | Beiträge)
defined serial interface, RF module; linked repository
Zeile 10: Zeile 10:
* a 1-wire interface for authentication buttons (iButton)
* a 1-wire interface for authentication buttons (iButton)


For ease of development, they also get a serial interface.
For ease of development, they also get a serial interface ("FTDI cable" -- power supply + RX/TX + reset, also for flashing using a boot loader).


== Implementation ==
== Implementation ==


Both for development and for the final version (as far as we know now), an ATMega168 is used; for development, encased in an Arduino, which also binds the RX/TX pins to a USB serial interface.
Both for development and for the final version (as far as we know now), an ATMega328 is used; for development, encased in an Arduino, which also binds the RX/TX pins to a USB serial interface.


As an RF module, RFM12B and ZigBee style devices are being considered.
As an RF module, RFM12B is used.


The wiring is defined in an eagle file in our yet-to-be-set-up SVN repository.
The wiring is defined in an eagle file [http://github.com/Metalab/hsc2011/tree/master/hardware in the project repository].


=== RFM12B ===
=== RFM12B ===