2_3 Screen Alarm Beep + Blink + Message

Screen Alarm with Beep and Blink

Code

The code in the editor below is ready to run! Plug Code Lab Mini in to your computer's USB port, make sure that your Code Lab Mini Screen Add-On (sold separately) is attached, 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.

If you haven't set up your Code Lab Mini Screen Add-On yet, visit Chapter 0 to watch a video showing you how to do that.

Restore 12 14 18 24 30

Monitor Upload Your Code!

//Flash a message on the screen, beep the speaker, and flash a light in sync #include "CLMiniScreen.h" //The code library enables new functions to be used with the screen CLMiniScreen lcd; //the library name followed by the name you give the LCD screen. Here it is 'lcd' void setup() { lcd.begin(); //.begin() 'sets up' the screen. You'll always need it when using the screen pinMode(8,OUTPUT); //LED pinMode(2,OUTPUT); //Speaker } void loop() { lcd.print("Hey!"); //Show a message lcd.setCursor(0,1); //Set the cursor to the first position (0) of the second row (1) lcd.print("Look Over Here!"); //Show a message digitalWrite(8,HIGH); //Turn on LED 8 tone(2,800); //Play a tone of 800 hertz delay(1000); //Pause for 1 second lcd.clear(); //Clear the screen digitalWrite(8,LOW); //Turn off LED 8 noTone(2); //Stop the tone delay(1000); //Pause for 1 second } // (c) 2023 Let's Start Coding. License: www.letsstartcoding.com/bsdlicense

 

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Success!

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

Coming Soon!