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Hello, friends.

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Today I will show you how to control onboard four LEDs using an image.

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In that case, I just first control the whole four LEDs using software code.

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After this I just control the Led using particular button.

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Okay.

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So let's first in this case, I just create a project and over here I, as you see, already project

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is created in this.

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I just go to the VI and over here in this particular VI, I just select my Rio toolbox over here.

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I just need to select the LEDs Express VI.

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In this case, it will ask me how many LEDs with how many LEDs I want to work.

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Okay, so over here, as you see, I got all the four LEDs right now.

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So let's first select all the four LEDs.

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Right now I'm just using four LEDs.

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Express VI.

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Okay, As you see over here, all the four LEDs comes create buttons over here.

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So led zero over here.

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I just make a copy of it.

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Just arrange these LEDs.

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0234.

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This is my one.

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This is my two.

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This is my three.

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Okay, Now you just need to connect.

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Control, you minimize it.

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Just place a while loop for continuous reading.

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Writing.

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Not reading.

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Deploy the code.

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When you just run it, it will deploy the code for you.

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Save it.

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All the four LEDs we can control using these four buttons.

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Right now, I just press 101, two, three.

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In the hardware part, you can just check over here right now.

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All the four LEDs are in on state right now, all the four LEDs in off state.

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So this is how you can generate signals using these express VI.

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Now I just create another project using button.

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Also, I want to control these LEDs using particular button.

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So I just go to my Mario.

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Toolbox.

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I just drag button.

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In this case, I'm just using this button to control these four LEDs.

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In the first case, I just connect all the LEDs with this particular button.

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When I just press this button, all the four LEDs will turn on.

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Otherwise it will turn off.

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Just remove this control.

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B So in this case, I'm generating signal.

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Using this particular onboard button.

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So now just save it.

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Deploy it.

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In this case, there is no control in the software part.

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The control is only to stop the code.

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Okay.

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So right now, when I just press this particular button, all the four LEDs turn on.

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As you see.

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So it is up to me how to control this on board led right now.

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Right now I just make another code for you.

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Let's say in this place I'm just using negate function also.

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For.

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First one and third one.

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No multiple negates required.

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So I just connect over here and this one is my connected to this one.

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And over here.

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Now I just save it, Run it.

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It is deploying the code.

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Initially, two LEDs are turned on and two are in off state.

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According to the code.

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As you see, when I just press my button, these two goes off.

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Another two goes on, as you see.

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So you can make a running code using this also.

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Okay, so this is how you can build.

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Now I just go with another code.

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I just stop this code.

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In this particular case, I just show you another case.

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Also, right now, I just remove this particular part from or connection from the Mario.

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Right now Mario is powered.

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I just it just contain the program.

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Also, as you see right now, when I just connect it again, I need to configure this as you see on

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the software part, connection to the target has been lost.

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I need to configure this again.

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As you see right now, it is configuring just close this one, minimize this.

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Let's check it is present over here or not refresh it or need to connect.

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Let's check.

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It is connecting.

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So this is how you can apply.

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This is how you can control your Mario using express code.

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As you see, it is now initializing.

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Right now it is green.

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It is connected.

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Let's just create another code.

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I'm not using this button over here in place of this control Z.

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Control B, I'm just creating a code running light led code.

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So I just create shift registers over here.

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Initially, let's say these shift registers are false condition.

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Otherwise it will generate true condition.

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True False.

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True.

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False condition.

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It will generate and just also place some delay over here.

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I just want to create a 500 millisecond delay.

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So one, initially it is turned on and three also and two off and four also off.

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Okay, So this is the code.

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And let's just use the button to control the loop.

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Again, go to the Mario button.

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Press.

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Okay.

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In place of this button, I want to control this loop using this particular button.

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Just connect it.

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Save it.

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Control s, run it.

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Let's check what happened.

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The code is deployed.

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As you see it, is running.

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Lights are running on and off, on and off.

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If you want to just make the speed faster, first, you need to stop the code.

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I'm just stopping it from here only.

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As you see now, I just want to make it 100 milliseconds again.

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I want to deploy the code.

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In this case, the LEDs are running more faster as compared to the previous one.

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Right now it is 100 milliseconds.

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Previously it is 500 milliseconds.

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DeLay is there, as you see.

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So this is how you can build your own code using Express VI in case of Mario.

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Thank you.