scwMason的博客

int i=6; void setup() { // put your setup code here, to run once: pinMode(i,OUTPUT); } void loop() { // put your main code here, to run repeatedly: analogWrite(i,0); delay(1000); analogW...

int i=6; void setup() { // put your setup code here, to run once: pinMode(i,OUTPUT); } void loop() { // put your main code here, to run repeatedly: tone(i,300);//打开蜂鸣器 delay(1000); noTon...