2_5 Sound and Light Show

Sound and Light Show

Code

The code in the editor below is ready to run! Plug Code Lab Mini in to your computer's USB port with the cable and hit 'Upload Your Code!' to see what it does. Change something in the code, like a delay or pin number. Try to add something new to the program - it's yours to tinker with! You can always press the 'Restore' button to return the code to the working example.


//Sound and light show where each of 3 LEDs matches with a tone from the speaker void setup(){ pinMode(8,OUTPUT); //LED light pinMode(10,OUTPUT); //LED light pinMode(12,OUTPUT); //LED light pinMode(2,OUTPUT); //Speaker } void loop(){ digitalWrite(8,HIGH); //Turn on LED 8 tone(2,500); //Play a tone of 500 hertz delay(1000); //Wait 1000 milliseconds (one second) digitalWrite(10,HIGH); //Turn on LED 10 tone(2,1000); //Play a tone of 1000 hertz delay(1000); //Wait 1000 milliseconds digitalWrite(12,HIGH); //Turn on LED 12 tone(2,1500); //Play a tone of 1500 hertz delay(1000); //Wait 1000 milliseconds before restarting the loop digitalWrite(8,LOW); //Turn off LED 8 digitalWrite(10,LOW); //Turn off LED 10 digitalWrite(12,LOW); //Turn off LED 12 noTone(2); //Stop any tones from playing on the speaker delay(1000); //Wait 1000 milliseconds with no tones or lights on } //(c) 2023 Let's Start Coding. License: www.letsstartcoding.com/bsdlicense
 

Walkthrough Video

Watch the video for a line-by-line explanation of how the example program works. Then you'll be ready to make some changes of your own!

Challenges

Can you complete the challenge? Change the code in your code editor above. Upload your code to see the effect when you're finished. Complete a challenge? Check it off the list!