This attenuator board works fantastically well.when driven by an arduino with an LCD to show the chosen settings. This requires additional level shifters between the attenuator board and the Arduino to shift the 5V control lines to 3.3V for the PE4302 so as not to destroy it.

This attenuator board works fantastically well.when driven by an arduino with an LCD to show the chosen settings. This requires additional level shifters between the attenuator board and the Arduino to shift the 5V control lines to 3.3V for the PE4302 so as not to destroy it.

This attenuator board works fantastically well.when driven by an arduino with an LCD to show the chosen settings. This requires additional level shifters between the attenuator board and the Arduino to shift the 5V control lines to 3.3V for the PE4302 so as not to destroy it.

Ok, ok

ok ok ok

Ok, ok