Part B
There are three notes. Low note, high note, the middle note
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Part C
lyrics:
a)What A Little Bit Of Love Can Do - Jeff Bridges
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b) If extension is mp3, the code plays all the songs. Because program checks the extension before including the file in the eeprom.
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Change the 'song' code to save the current volume setting in your EEPROM and fetch and set that value during initialization.
EEPROM.write(521,mp3_vol);
void writee(){
void writee(){
if(max_num_songs*max_name_len == 520){
EEPROM.write(max_num_songs*max_name_len,mp3_vol);
}
}
void readd(){
if(max_num_songs*max_name_len == 520){
vol = EEPROM.read(max_num_songs*max_name_len);
}
}
I also modified added and modified some parts in the setup() function:
writee();
readd();
Mp3.volume(vol); //vol is a variable of type byte
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videos
http://www.youtube.com/watch?v=WJDBvdxrmZc&feature=youtu.be
http://www.youtube.com/watch?v=dTe1rgB-ex4&feature=youtu.be