Cycle Through a Switch Case Arduino

In this article, we will explore how to create a simple Arduino project that cycles through different switch case sections using an LED indicator.

The project requires an Arduino Mega board and an LED connected to pin 2. The goal is to trigger the switch case section by pressing a button and display it on an LED. In each cycle, the counter increments by one and calls up a corresponding switch case section that lights up the LED.

Here's the code:

```c

int ledPin1 = 2; // the number of the LED pin which indicates the Switch Case section

void setup() {

pinMode(ledPin1, OUTPUT);

}

void loop() {

int mainSwitchcounter1;

mainSwitchcounter1++;

switch (mainSwitchcounter1) {

case 1:

digitalWrite(ledPin1, HIGH);

break;

case 2:

digitalWrite(ledPin1, LOW);

break;

case 3:

// LED on

break;

case 4:

// LED off

break;

// Add more cases as needed

default:

mainSwitchcounter1 = 0;

}

```

In this code, we initialize the pin mode for the LED and set it to output. In the loop function, we increment a counter variable `mainSwitchcounter1` each time the switch is triggered. The switch case statement checks the value of `mainSwitchcounter1` and executes the corresponding case.

Each case represents a different state for the LED (on or off). We can add more cases as needed to accommodate additional states.

When the button is pressed, the counter increments, and the Arduino board cycles through the switch case sections, displaying it on the LED. The serial monitor will print out 'mainSwitchcounter1?' followed by the current value of the counter, which in this case is always 1 since we have only one case defined.

To resolve the issue where the code gets stuck in case 1, you can try adding more cases or adjusting the switch case statement to better match your requirements.

In summary, this Arduino project demonstrates a simple way to cycle through different switch case sections using an LED indicator. By modifying the code and adding more cases, you can create complex projects that respond to various inputs and outputs.

Troubleshooting Tips

* Make sure to connect the LED correctly to the Arduino board.

* Verify that the button is connected properly to the Arduino board and triggering the correct pin.

* Check for any errors in the code and adjust as needed.

* If you are still having trouble, try resetting the Arduino board or re-uploading the code.

By following these tips and adjusting the code accordingly, you should be able to successfully cycle through the switch case sections using an LED indicator.

Cycle through a switch case arduino