WEBVTT 00:00.330 --> 00:03.540 Let's create your first real original program. 00:04.080 --> 00:08.850 I'm going to do this with the original idea and real alienable. 00:09.210 --> 00:14.690 If you just want to use the simulation, please make sure that you watch this list first. 00:14.730 --> 00:20.940 And I'm going to do a simulation and take a look at it in a few lessons directly on this section. 00:21.240 --> 00:26.940 And also, if you don't understand some parts of the code here, all the different instructions we are 00:26.940 --> 00:29.230 going to you don't worry too much. 00:29.490 --> 00:32.520 We will cover everything in the following of discourse. 00:32.760 --> 00:40.400 For now, the most important thing you can do is to get a program running to actually get fitting out 00:40.560 --> 00:42.000 how it works. 00:42.270 --> 00:45.510 So what are we going to do in this first program? 00:45.540 --> 00:53.520 Well, there is an already existing directly integrated on the added world, so we don't need to add 00:53.520 --> 00:55.700 any external hardware. 00:55.890 --> 01:03.990 We can just try to make this blink that depending on your innovation, the energy may be located in 01:03.990 --> 01:08.010 a different place, but it will not be very hard to find. 01:08.550 --> 01:10.410 So back to our program here. 01:10.530 --> 01:13.140 You have four setup and void loops. 01:13.230 --> 01:19.590 Now, you know, that void setup is the function that would be called first and would be called only 01:19.740 --> 01:26.760 once, and then Void Loop will be called after setup and would be called an infinite amount of time 01:27.480 --> 01:31.680 until you simply restart our power of your autonomy. 01:32.070 --> 01:41.580 So because we are using an energy, we need to set it up on the void, set the function OK, and the 01:41.580 --> 01:45.260 LDA is actually connected to a digital piñon. 01:45.350 --> 01:45.720 Alino. 01:45.720 --> 01:49.620 Also, we are going to see what our digital means a little bit later on this discourse. 01:49.950 --> 01:56.580 And the first thing we need to do when we use a digital pen is actually to set it up with the pin mode 01:56.580 --> 01:57.230 function. 01:57.630 --> 02:02.310 So lowercase and then m uppercase mode. 02:02.310 --> 02:06.300 And you can see it should turn orange or at least a different color. 02:06.350 --> 02:13.130 OK, if you have this, it's good means that the function has been recognized as an additive function. 02:13.290 --> 02:16.130 So the number of the thing here is 13. 02:16.680 --> 02:25.500 This is simply the pin where the entity, the integrated ality is connected to and then we can put a 02:25.500 --> 02:26.080 comma. 02:26.610 --> 02:34.360 So we open the door onto this thing, can put a comma and then all uppercase outputs and this should 02:34.800 --> 02:35.720 blue here. 02:36.750 --> 02:40.320 We close the power outages and we add a semicolon. 02:40.650 --> 02:42.890 Semicolon is very important. 02:43.320 --> 02:47.230 It means that this is the end of one instruction. 02:47.700 --> 02:49.800 So basically you are going to write the code. 02:50.210 --> 02:52.050 So one instruction per line. 02:52.380 --> 02:56.310 But this is not what defines the limits between instruction. 02:56.370 --> 02:59.250 The limit between instructions is this semicolon. 02:59.550 --> 03:01.080 Do you forget a semicolon? 03:01.180 --> 03:05.570 You will probably get an error here when you try to compile a code. 03:05.760 --> 03:07.010 So make sure you don't forget that. 03:07.340 --> 03:07.710 All right. 03:07.720 --> 03:09.840 And you can see here we have a command. 03:09.850 --> 03:14.130 Maybe we can remove that command, but your set of code here to run one. 03:14.130 --> 03:15.600 So we already know that. 03:16.230 --> 03:21.480 And maybe we can just add a new command here, let's say set. 03:22.920 --> 03:33.150 Ever been to Output's, so this is just a come on, so this line will not be executed, but you can 03:33.150 --> 03:38.900 see your comment is very useful to say what we are going to do or to explain the next line. 03:39.180 --> 03:44.340 So this line is pretty obvious, but you can get a feeling of how to use commands. 03:44.650 --> 03:44.910 Great. 03:44.920 --> 03:51.290 So now the vote setup will be executed once the mode will be set to output. 03:51.330 --> 03:53.850 OK, we have input and output. 03:54.240 --> 03:56.460 We select output because this is an energy. 03:56.460 --> 03:58.200 We want to control the energy. 03:58.200 --> 04:03.700 So output and then in the loop, something to remove also that command that we don't need. 04:04.590 --> 04:07.940 So in the loop we are going to make the blink. 04:08.820 --> 04:13.330 So the first thing we can do is to call the function the detail. 04:13.890 --> 04:14.430 Right. 04:14.460 --> 04:23.850 So again, you should see it turning orange digital and then right with the case, we open the term 04:23.850 --> 04:26.850 to this and now we need to give also the name of the pin. 04:26.850 --> 04:34.080 So the number of the beam 13 like we here and here, we need to simply put high or low. 04:34.230 --> 04:41.280 So I'm going to but I always advocate here, OK, we should turn blue, I close the parentheses and 04:41.280 --> 04:43.510 I don't forget the semicolon. 04:43.980 --> 04:51.030 So this is basically will tell the pin number 13 to hide two state high. 04:51.390 --> 04:56.540 And what this means with the entity is that the LDA will be powered on. 04:56.910 --> 04:58.860 Also, one little note here. 04:58.860 --> 05:02.940 You can see we have an indentation of two spaces here. 05:03.180 --> 05:07.470 So in addition, is actually not required for the prompt to work. 05:07.740 --> 05:09.550 This is just for readability. 05:09.580 --> 05:14.250 OK, so whenever enter a new block of code like this, we've got brackets. 05:14.460 --> 05:19.080 I'm going to use two new spaces for indentation. 05:19.440 --> 05:25.530 And after we have poured on the new ones, we want to do if we want to make blank is of course we need 05:25.530 --> 05:27.380 to pull it off. 05:27.540 --> 05:30.270 So digital, right? 05:30.690 --> 05:39.960 We've been 13 the same and then Lo and O.W. we close the boundaries and the semicolon. 05:40.590 --> 05:41.070 All right. 05:41.550 --> 05:48.240 Now, the thing is, if we just start the program like this, what will happen is you will see the LDA 05:48.330 --> 05:50.660 always higher, are always Powelton. 05:50.880 --> 05:58.290 And this is because, well, the code inside the void loop will be run at full speed and full speed 05:58.290 --> 06:01.230 for Arduino is a few hundred megahertz. 06:01.960 --> 06:09.690 So when you compare that to what we as humans are able to see, well, this is way too fast for us to 06:09.690 --> 06:10.980 see the energy blink. 06:11.250 --> 06:14.920 So what do we need to do is to add a small delay? 06:14.970 --> 06:19.970 OK, we need to make a prime stop between those two instructions, OK? 06:20.220 --> 06:23.250 And what we are going to do is to use the function delay. 06:23.440 --> 06:33.990 OK, so delay like this with parentheses and let's put one thousand were closed apprentice's and semicon. 06:34.410 --> 06:41.420 So delay we simply stop here for the amount of millisecond that you provide here. 06:41.850 --> 06:42.820 This is that signal. 06:42.840 --> 06:44.220 This is merely Segan. 06:44.610 --> 06:47.950 The one thousand milliseconds means one thing. 06:48.180 --> 06:57.480 OK, so if we look at how the program will be run so far the setup and then the loop we put on the LDA, 06:57.900 --> 07:01.590 we wait for once again, then we pull off the energy. 07:02.130 --> 07:07.240 And then what will happen here is that we directly come back to the beginning of the voice function. 07:07.620 --> 07:12.780 So just after we pull it off and we are going to put on the energy. 07:12.780 --> 07:14.910 So we do also add a delay here. 07:18.150 --> 07:27.590 OK, because otherwise we will not be able to see the world of but it will directly be pulled on just 07:27.590 --> 07:28.090 after that. 07:28.460 --> 07:28.850 All right. 07:28.850 --> 07:30.100 I know the program is complete. 07:30.110 --> 07:36.650 So if you want, you could add also different comments here to describe what you are doing and to make 07:36.650 --> 07:38.320 sure you understand how the loop works. 07:38.330 --> 07:46.060 Well, basically, I could just copy and paste that code an infinite number of times, OK? 07:46.070 --> 07:48.500 And this is how the code would be executed. 07:48.710 --> 07:52.040 Instead, I just need to provide the code once. 07:52.280 --> 07:59.360 And I know that after line 10, so we close the loop function, the loop function would be called again 07:59.750 --> 08:01.190 and we go back to line seven. 08:01.550 --> 08:02.080 All right. 08:02.090 --> 08:02.660 It looks good. 08:02.660 --> 08:05.910 So now we can upload this program to our alienable. 08:06.590 --> 08:10.720 The first thing I'm going to do is I'm going to compile what it is but verify. 08:10.760 --> 08:16.480 But then I'm going to compile the code and it will ask you to save the sketch. 08:16.490 --> 08:20.090 So we already know a program is called a sketch. 08:20.190 --> 08:28.450 OK, so it will ask you to say Skagen, you what you can do is simply give a name that's say first program. 08:29.620 --> 08:32.200 Say, OK, it will combine. 08:33.870 --> 08:36.510 And let's see if we have any hero. 08:39.070 --> 08:45.520 OK, you can see here, Don, compiling, so if you have this, it means it was successful and you have 08:45.520 --> 08:49.420 some information about space use age and stuff like this. 08:49.690 --> 08:55.300 Now, let's say that I forgot the semicolon here and I verify it again. 08:55.300 --> 08:57.600 So when I verify it will see the final result. 08:58.150 --> 09:00.870 And you can see here we have an error. 09:00.910 --> 09:08.350 So I have quite a bit of text and then you can see expected semicolon before delay. 09:08.710 --> 09:11.750 So if you make some error, you will get an explanation here. 09:11.780 --> 09:14.960 So the explanation may be clear or not so clear. 09:15.360 --> 09:18.420 Depends what kind of error you make, but it's quite clear. 09:18.730 --> 09:22.500 OK, before the delay, we do not have any semicolon. 09:22.600 --> 09:25.700 I'm going to add it here and now it works. 09:26.560 --> 09:35.890 OK, so plug your alienable to your computer and then with tools bold and make sure that the correct 09:35.890 --> 09:36.770 word is seated. 09:36.790 --> 09:41.170 So for me, it is arduino you and make sure that you have the correct. 09:41.170 --> 09:44.740 But now I can upload the code. 09:47.410 --> 09:55.630 You can see Don applauding and we can see here that the entity on the alino is linking every one Segan.