jluu

Ok, from the datasheet the max output is 2.1V rms, which is about 3V which will be 6V peak to peak. Yes, it's normal.

Using arduino 2.3.4 and teensy 1.59 I deleted the files in C:\Users\<username>\AppData\Local\arduino\sketches\6DDFA74DF6067593195A812337EE5AD7\pch and C:\Users\<username>\AppData\Local\Temp\arduino-language-server549245311\build\pch The files...