One of the features of the JeeNode Zero, is that it takes minimal effort to get started: hook it up via any USB serial interface, using any terminal emulator you like, and you’re all set to go.
Here’s a PL2303-based USB interface, connecting power (+5V/GND) and serial pins (RX/TX):
On the host side, you need a terminal emulator, such as Picocom or putty which can connect to a serial port and deal with lines coming back from the JNZ, ending in LF instead of CR+LF.
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