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I just wanted to check if RaZberry can be connected to ODROID XU (http://www.hardkernel.com/main/products ... 7510300620). The issue is that ORDOID only supports 1.8V and TX/RX are also 1.8V level. Are the RaZberry inputs 1.8V tolerant or I will have to use a level shifter?

Not sure it will work, but anyway RaZberry needs 3V to operate, so shifter is better