1 00:00:01,370 --> 00:00:07,760 In this section, we are going to see how we can transmit and receive text messages using I got a phone 2 00:00:07,760 --> 00:00:14,450 device, so the technology we are going to use is known as toxic, which is standard for Post Office 3 00:00:14,450 --> 00:00:19,610 Code Standardization Advisory Group, also known as super toxic. 4 00:00:20,150 --> 00:00:28,730 This technology is used in Radio Beijing to Beijing was a device which was very common before the cell 5 00:00:28,730 --> 00:00:29,120 phones. 6 00:00:29,450 --> 00:00:35,300 So these building devices were used to grassroot and receive text messages. 7 00:00:35,810 --> 00:00:40,430 So we are going to use the same technology and we will transmit and receive data. 8 00:00:40,760 --> 00:00:43,160 X data using had got it from device. 9 00:00:43,700 --> 00:00:51,440 So Box X Support Zone numeric and alphanumeric data transmission boxes cannot transmit binary data. 10 00:00:51,740 --> 00:00:59,480 So these are few important points which you can remember, and you can read further about boxing on 11 00:00:59,480 --> 00:01:01,880 this beginning, which is provided over here. 12 00:01:02,480 --> 00:01:05,780 And it has three speeds five one two beeps. 13 00:01:06,260 --> 00:01:07,430 Twelve hundred beeps. 14 00:01:07,430 --> 00:01:09,020 And twenty four hundred beeps. 15 00:01:09,560 --> 00:01:12,710 So let's just keep that theory minimum. 16 00:01:12,890 --> 00:01:17,900 And let's just focus on the practical of this thing, this technology. 17 00:01:18,140 --> 00:01:21,800 So let me move into my dragon with machine. 18 00:01:24,160 --> 00:01:25,990 We are going to use two different tools. 19 00:01:26,240 --> 00:01:30,700 Jihad Mix-A-Lot and multi-model energy. 20 00:01:31,330 --> 00:01:35,130 So these two tools are already available in Dragon with. 21 00:01:35,620 --> 00:01:43,060 But if you are using Ubuntu or calisthenics, then you have to download these tools from GitHub and 22 00:01:43,060 --> 00:01:46,870 also compile these tools for the compilation process is very easy. 23 00:01:47,110 --> 00:01:53,230 All you have to do is you just have to run these commands to compile multi-month energy and the similar 24 00:01:53,230 --> 00:01:55,840 process applied to John Mix-A-Lot. 25 00:01:56,230 --> 00:01:58,330 So you have to compile these two tools. 26 00:02:00,900 --> 00:02:02,760 But we are using Dragon with. 27 00:02:02,940 --> 00:02:10,710 So we don't have to install or compile these tools, so let's just, uh, open these tools for let me 28 00:02:10,710 --> 00:02:11,850 open my terminal. 29 00:02:15,030 --> 00:02:16,020 Let me make it. 30 00:02:17,000 --> 00:02:20,940 You can zoom and let me move into the directory, which is. 31 00:02:22,640 --> 00:02:24,290 User SIRC. 32 00:02:25,790 --> 00:02:27,800 Jia makes a lot. 33 00:02:28,790 --> 00:02:30,700 And you have to go into examples. 34 00:02:32,270 --> 00:02:33,860 And let's just who else. 35 00:02:34,430 --> 00:02:39,650 So what are you going to see different examples, since this course is all about had got fun. 36 00:02:39,890 --> 00:02:42,560 So our complete focus will be on out of one. 37 00:02:42,920 --> 00:02:45,590 So we are going to use boxing. 38 00:02:46,190 --> 00:02:53,840 V.X, underscore heck out of Dodge GRC to geography is the extension for going to radio, so we have 39 00:02:53,840 --> 00:02:55,970 to open this file in going to radio. 40 00:02:56,240 --> 00:02:58,040 So let me give you. 41 00:03:00,720 --> 00:03:01,500 Your companion? 42 00:03:03,430 --> 00:03:05,740 And then we have to give the name of. 43 00:03:06,830 --> 00:03:07,520 The file. 44 00:03:15,510 --> 00:03:20,700 So this is the cold which we will use to transmit data. 45 00:03:21,300 --> 00:03:25,110 So first of all, let's just change the pager frequency, Woodhead. 46 00:03:26,100 --> 00:03:31,590 So you can use the same frequency, but I'm just changing the frequency, so I'll make it. 47 00:03:37,680 --> 00:03:40,800 Nine or eight guards, seven megahertz. 48 00:03:44,120 --> 00:03:44,420 Right. 49 00:03:44,900 --> 00:03:52,010 So this will be our transmitting frequency, and we are using the speed of light to what you can see. 50 00:03:52,260 --> 00:03:55,520 So there are three different speed ratios, as I told you. 51 00:03:55,760 --> 00:03:56,720 Five, one two. 52 00:03:56,750 --> 00:03:59,350 Twelve hundred and twenty four hundred. 53 00:03:59,690 --> 00:04:01,520 So we are going to use five one two. 54 00:04:02,180 --> 00:04:05,480 And let's just take some message or what have? 55 00:04:08,010 --> 00:04:09,030 So we will try. 56 00:04:10,790 --> 00:04:11,540 Hello, world. 57 00:04:14,900 --> 00:04:15,310 One. 58 00:04:16,010 --> 00:04:18,410 And let's just do it right, Peter. 59 00:04:19,680 --> 00:04:20,100 To. 60 00:04:22,240 --> 00:04:22,720 Three. 61 00:04:24,140 --> 00:04:24,530 For. 62 00:04:26,710 --> 00:04:29,350 Let's just call it first message. 63 00:04:31,480 --> 00:04:34,240 And Typekit will be starring. 64 00:04:38,530 --> 00:04:38,910 All right. 65 00:04:39,090 --> 00:04:41,010 That's just OK. 66 00:04:42,030 --> 00:04:46,380 So this is our message, which we are going to transmit. 67 00:04:47,010 --> 00:04:50,880 So we are going to transmit it on nine or 8.7 megahertz. 68 00:04:51,120 --> 00:04:54,120 And this is our message which we are going to transmit. 69 00:04:54,690 --> 00:05:01,530 So this is all about on prospect site and make sure your hat got in front devices also connected with 70 00:05:01,530 --> 00:05:07,200 your with your dragon or this device on which you are transmitting that data. 71 00:05:07,620 --> 00:05:11,250 Since I'm transmitting and receiving the data on a same system. 72 00:05:11,610 --> 00:05:17,160 So my head got different device and ideal as the device is connected with the same system. 73 00:05:17,790 --> 00:05:23,430 So for this particular practical, we need both the devices we need have got it fun as well. 74 00:05:23,430 --> 00:05:31,320 As ideal as the two had got it, one will be used to transmit data and we will use it SDR to decode 75 00:05:31,320 --> 00:05:32,790 and receive data. 76 00:05:34,700 --> 00:05:38,360 Right to both of my devices, I connected with the same system. 77 00:05:38,570 --> 00:05:40,520 You can use different systems as well. 78 00:05:40,790 --> 00:05:43,730 But for the sake of this tutorial, I'm using the same system. 79 00:05:44,000 --> 00:05:46,340 So this is all about on the transport side. 80 00:05:46,580 --> 00:05:48,680 Let's just focus on the receiving side now. 81 00:05:49,430 --> 00:05:51,620 So let me make it. 82 00:05:53,300 --> 00:06:00,950 On the side, and let's just minimize it and to receive data, we will use GQ Ortex. 83 00:06:02,110 --> 00:06:03,980 So let me open to you, Ortex. 84 00:06:08,750 --> 00:06:15,440 And we will select the same frequency on which we are transmitting the data we are transmitting on nine 85 00:06:15,440 --> 00:06:17,060 or eight point seven megahertz. 86 00:06:17,490 --> 00:06:20,270 So I have just selected the same frequency over here. 87 00:06:20,840 --> 00:06:21,110 All right. 88 00:06:21,440 --> 00:06:23,090 Let me maximize it. 89 00:06:23,990 --> 00:06:29,000 And the first thing which you have to do is you just have to go and configure the device. 90 00:06:29,390 --> 00:06:30,320 So I'll just go. 91 00:06:30,650 --> 00:06:36,950 And my ideal as they are dongle is already selected, so I'll just press, OK, and if you're using 92 00:06:36,950 --> 00:06:39,230 some other device, then you have to select that device. 93 00:06:39,650 --> 00:06:44,240 But I'm using so the ideal as they are dongle to receive data. 94 00:06:44,390 --> 00:06:45,770 I'm just selecting this. 95 00:06:47,780 --> 00:06:48,200 Okay. 96 00:06:51,800 --> 00:06:57,650 And then you have to go into tools and remote controlled settings. 97 00:06:59,630 --> 00:07:04,520 Overhead, you have to type a listening port, which is six double five three five. 98 00:07:05,000 --> 00:07:10,510 You have to use the same board, which I'm providing over here, which is six five three five, right? 99 00:07:10,820 --> 00:07:14,960 So this is the port on which we are going to listen to the data. 100 00:07:15,560 --> 00:07:17,840 I'll explain it, this thing in a moment. 101 00:07:18,050 --> 00:07:24,890 So right now, just you have to remember this old number on which you have to transmit the data from 102 00:07:24,890 --> 00:07:25,720 GQ Ortex. 103 00:07:26,210 --> 00:07:28,220 So you have to type the port number over here. 104 00:07:28,820 --> 00:07:33,100 And all you have to do is you just have to add localhost over here, right? 105 00:07:33,710 --> 00:07:39,260 So localhost is already added to let me delete this last option. 106 00:07:40,220 --> 00:07:42,890 And all you have to do is you just have to press, OK. 107 00:07:45,080 --> 00:07:51,980 And let's just select the correct frequency, which is nine, eight point seven zero zero zero. 108 00:07:53,320 --> 00:07:53,570 Right. 109 00:07:54,610 --> 00:07:57,250 And all they had on the right side in the. 110 00:08:00,080 --> 00:08:01,310 Let me expand it. 111 00:08:02,530 --> 00:08:07,060 In the and input control, you don't have to change anything. 112 00:08:07,600 --> 00:08:15,280 And in the receiver's option, you have to select user and you have to create a filter bandwidth of 113 00:08:15,280 --> 00:08:16,360 twelve point four. 114 00:08:16,810 --> 00:08:18,580 Or you can select 13 as well. 115 00:08:19,000 --> 00:08:25,600 Both work fine and then filter shape should be normal and more should be narrow FM band. 116 00:08:25,990 --> 00:08:26,220 Right? 117 00:08:26,740 --> 00:08:29,290 And then you have to click on UDP. 118 00:08:30,250 --> 00:08:33,880 And you have to keep that after these settings similar. 119 00:08:34,270 --> 00:08:37,360 You don't have to change anything in these settings. 120 00:08:39,200 --> 00:08:41,300 So these are the settings. 121 00:08:42,570 --> 00:08:49,920 On tactics, let me just again select the correct frequency, which is nine. 122 00:08:51,130 --> 00:08:53,740 Eight seven zero zero zero. 123 00:08:54,380 --> 00:08:58,770 So this is the frequency let in every way that you consume. 124 00:09:01,080 --> 00:09:01,290 Thank. 125 00:09:03,840 --> 00:09:07,620 And now all you have to do is you just have to open the terminal. 126 00:09:10,280 --> 00:09:15,670 And let me make it a little song, and then you have to type this, come on. 127 00:09:16,680 --> 00:09:18,000 So this is a complex. 128 00:09:18,020 --> 00:09:20,720 Come on, let's just go this combined together. 129 00:09:21,170 --> 00:09:26,830 It's not that hard, but you'll get this command in the in the resources files as well. 130 00:09:26,870 --> 00:09:31,940 I'll provide this command, but let's just understand this command as well for what this command is 131 00:09:31,940 --> 00:09:32,970 doing, we should know. 132 00:09:33,540 --> 00:09:40,880 So we are starting get on our local host and we are using the port number six one five three five. 133 00:09:41,330 --> 00:09:44,330 So this is the same port number which you provided over here. 134 00:09:44,720 --> 00:09:47,550 And are remote control settings, right? 135 00:09:48,010 --> 00:09:53,300 So we are listening the data which we are receiving in GQ, Ortex or this terminal. 136 00:09:54,510 --> 00:09:54,790 Wait. 137 00:09:55,950 --> 00:10:05,520 So we are using Typekit and we are using local host and this board, no to listen, and then we will 138 00:10:05,910 --> 00:10:09,900 draft whatever the data we are getting and find this data. 139 00:10:10,270 --> 00:10:16,920 Socks and socks will convert this raw audio data into some standard data. 140 00:10:17,700 --> 00:10:28,370 What you can see, right and then pipe this data, this audio data into multi energy and then my team 141 00:10:28,380 --> 00:10:36,060 on energy will decode this data using three different decoders, which is five one to twelve hundred 142 00:10:36,060 --> 00:10:37,760 and twenty four hundred. 143 00:10:38,130 --> 00:10:39,190 So these are three. 144 00:10:39,210 --> 00:10:45,300 These are the three different speeds and decoders which we discussed in our slide, which is five one 145 00:10:45,300 --> 00:10:48,240 to twelve hundred and twenty four hundred beeps, right? 146 00:10:48,450 --> 00:10:52,620 So these are three different decoders, which multi energy values. 147 00:10:53,550 --> 00:10:54,630 So this is the command. 148 00:10:55,170 --> 00:10:56,880 So let's just start. 149 00:10:58,290 --> 00:10:59,790 Uh, did you address first? 150 00:11:03,670 --> 00:11:07,750 And we are listening to this, uh, frequency. 151 00:11:08,080 --> 00:11:08,980 And let's just. 152 00:11:11,450 --> 00:11:12,710 Run this command as well. 153 00:11:16,170 --> 00:11:18,840 So this site is all set. 154 00:11:19,230 --> 00:11:23,670 Now let's just Krasner data from our. 155 00:11:26,480 --> 00:11:29,590 Gigantic, sorry from our radio. 156 00:11:30,130 --> 00:11:31,130 So let's just play. 157 00:11:32,230 --> 00:11:34,930 And let's just see this on our tech stop. 158 00:11:38,930 --> 00:11:39,410 Call it. 159 00:11:40,680 --> 00:11:41,100 New. 160 00:11:42,210 --> 00:11:42,570 So you. 161 00:11:44,250 --> 00:11:52,830 So we are listening to ninety eight point seven zero zero for let's just click on this play button to 162 00:11:52,830 --> 00:11:53,520 crossword. 163 00:11:57,030 --> 00:11:59,850 And what here we can see the frequency of major. 164 00:12:04,620 --> 00:12:06,710 And here is our transmitted data. 165 00:12:07,330 --> 00:12:15,030 So this was the string which we passed in our new radio, which is hello, one two three. 166 00:12:15,060 --> 00:12:15,660 Hello, world. 167 00:12:16,260 --> 00:12:20,400 Hello World one, Helloworld two, Helloworld three and Helloworld four four. 168 00:12:20,400 --> 00:12:24,240 We received the same text message or here as you can see. 169 00:12:24,930 --> 00:12:31,890 So this is how you transmit data and receive data using log SEG in heck out of one.