Digi offers several options for interfacing to a low voltage (3.3V) system.
The simplest option is to use either the 9XCite or 9XTend modules with a flexible input voltage.
The modules accept power at any voltage between 2.85 and 5.5VDC.
A second option if additional range or software performance is needed is to build a low voltage interface to the XStream modules (they require a regulated 5 VDC supply.)
To facilitate using the XStream module with low voltage circuitry we provide the attached reference schematic.
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Last updated: Aug 23, 2017