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Topic: Arduino library for WTV020-SD-16P audio module (Read 113 times) previous topic - next topic

onesky

it seems it's working fine, also sound quality
what diode did u use and where did u soldered?

the-rebel-agent

1N4007. Connected in series as you will do with two power supplies to add its volts.



5V entering to the + lead of the first diode and connecting the - lead of the second diode to the wtv.

onesky

um, i think i am going to test again the board with 3volts pin and diodes
want to see if it will work better

the-rebel-agent

I did not notice any difference in quality working at 5v or 3.3v.

elac

By placing the two diodes in series with the 5v supply your dropping the voltage at the module input to 3.8v.
Essentially just feeding the module .5v over the recommended 3.3v.
It's all about the skills

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