Looking at the Arduino code for the V21, it seems that the feedback is not used?
It only seems to be read in the code and send as a tone to the speaker?
FEEDBACK_value=analogRead(FEEDBACK_pin);
if(sound_flag) tone(SPK_pin,FEEDBACK_value*2,50);
In your videos you show it working, how is it used?
Looking at the Arduino code for the V21, it seems that the
feedbackis not used?It only seems to be read in the code and send as a tone to the speaker?
FEEDBACK_value=analogRead(FEEDBACK_pin);if(sound_flag) tone(SPK_pin,FEEDBACK_value*2,50);In your videos you show it working, how is it used?