we are interfacing VM1000 with Arduino UNO (5v).
As far as we can tell, we do not need level shifting for Tx/Rx line after v1.61.
My question is: how can we know if our module is v1.61 or later hardware revision?
Best regards, Lazar
Designing hardware that uses VLSI Solution's devices as slave codecs such as an external MP3 decoder chip for a host microcontroller.
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