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Estoy utilizando tu idea y me sale fallito
unificado:714: error: expected primary-expression before ']' token
int cant_datos = sizeof(y_data[]);
^
exit status 1
expected primary-expression before ']' token
void array2(){
float min = 0;
float max = 0;
int cant_datos = sizeof(y_data[]);
min = 10000.0;
max = 0.0;
for ( long i = 0 ; i<sizeof(y_data[i]) ; i++) {
if (y_data[i] < min)
min = y_data[i];
if (y_data[i] > max)
max = y_data[i];
}
for ( int i = 0 ; i<cant_datos; i++) {
lcd.drawPixel(i, (y_data[i]-min)/(max-min)*320.0);
}