2_3 Buzz and Beep and Blink

Buzz the Motor and Beep a Tone and Blink an LED in Sync

Code

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// Beep a speaker in sync with a buzz on the motor and a blink on an LED void setup(){ pinMode(3,OUTPUT); //Motor pinMode(2,OUTPUT); //Speaker pinMode(8,OUTPUT); //LED } void loop(){ digitalWrite(3,HIGH); //Turn on the motor digitalWrite(8,HIGH); //Turn on the LED tone(2,550); // Play a tone of 250 hertz on speaker pin (2) delay(1000); //Wait 1000 milliseconds (one second) with the light & motor on digitalWrite(3,LOW); //Turn off the motor digitalWrite(8,LOW); //Turn off the LED noTone(2); //Turn off the tone playing on the speaker delay(1000); //Wait 1000 milliseconds before restarting the loop } //(c) 2023 Let's Start Coding. License: www.letsstartcoding.com/bsdlicense

 

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Compile errors:

Serial port monitor: Input: Send Close

 

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!

Can you turn on 2 LEDs while the tone plays and the motor jitters? 3 LED colors? What about all 5?

Switch the motor from using digitalWrite to analogWrite functions. Remember, the second argument of analogWrite is a number ranging from 0 to 255.

Switch the LEDs from using digitalWrite to analogWrite functions. Remember, the second argument of analogWrite is a number ranging from 0 to 255.Make the LEDs come on at only half brightness.