Serial hookup JeeNode to Raspberry Pi

One way to connect an RFM12B to a Raspberry Pi is to simply plug in a JeeLink, using the built-in USB capabilities of the RPi. But that’s a bit of a detour – why go through USB? Since the JeeNode’s FTDI connector can use 5V power and has TX/RX pins at 3.3V logic level, it’s …

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