1 00:00:11,000 --> 00:00:12,000 Hello, friends. 2 00:00:12,000 --> 00:00:18,000 Today I will tell you how to generate analog signal using python code. 3 00:00:18,000 --> 00:00:22,000 With the help of any USB 6009 DAC card. 4 00:00:22,000 --> 00:00:27,000 For that purpose I just import an IDE library. 5 00:00:30,000 --> 00:00:33,000 And a big max library. 6 00:00:34,000 --> 00:00:36,000 After that, you have to just. 7 00:00:39,000 --> 00:00:44,000 Assign a task and a mix. 8 00:00:45,000 --> 00:00:46,000 Dot task. 9 00:00:48,000 --> 00:00:50,000 As dusk. 10 00:00:54,000 --> 00:00:55,000 Indentation. 11 00:00:56,000 --> 00:01:03,000 After this, we have to assign the port in the case of USB 6009 DAC card. 12 00:01:03,000 --> 00:01:18,000 I have only two analog output pins a0 zero and A0 one pin, so just use task dot a0 stands for analog 13 00:01:18,000 --> 00:01:18,000 output. 14 00:01:21,000 --> 00:01:21,000 Channels. 15 00:01:23,000 --> 00:01:32,000 Add underscore analog output channel and it is also a voltage. 16 00:01:37,000 --> 00:01:38,000 Underscore channel. 17 00:01:41,000 --> 00:01:44,000 Then you have to put device name. 18 00:01:46,000 --> 00:01:47,000 That is my day one. 19 00:01:50,000 --> 00:01:51,000 Then. 20 00:01:54,000 --> 00:01:59,000 You have to put analog output zero. 21 00:02:01,000 --> 00:02:04,000 Then my channel. 22 00:02:09,000 --> 00:02:09,000 Sit. 23 00:02:11,000 --> 00:02:13,000 It is my. 24 00:02:16,000 --> 00:02:17,000 Channel. 25 00:02:17,000 --> 00:02:25,000 And over here you just put the range of minimum and maximum voltage. 26 00:02:27,000 --> 00:02:28,000 That is. 27 00:02:30,000 --> 00:02:31,000 Zeal. 28 00:02:35,000 --> 00:02:36,000 This is my maximum voltage. 29 00:02:37,000 --> 00:02:41,000 Now just assign a variable that is value. 30 00:02:43,000 --> 00:02:46,000 You want to write to an output port? 31 00:02:46,000 --> 00:02:49,000 Initially I just put five. 32 00:02:51,000 --> 00:02:54,000 Then start the task. 33 00:02:57,000 --> 00:02:59,000 After this, Right. 34 00:03:00,000 --> 00:03:02,000 It's task, right? 35 00:03:08,000 --> 00:03:09,000 And inside, right? 36 00:03:09,000 --> 00:03:13,000 You just put the value because the name of the variable is value. 37 00:03:14,000 --> 00:03:15,000 Then stop the task. 38 00:03:18,000 --> 00:03:21,000 This is the called Python code. 39 00:03:22,000 --> 00:03:25,000 Just save it now. 40 00:03:25,000 --> 00:03:26,000 Run it. 41 00:03:26,000 --> 00:03:29,000 Let's check what happened to the lead. 42 00:03:29,000 --> 00:03:34,000 Right now, as you see over here, I have an output 000. 43 00:03:34,000 --> 00:03:35,000 And this is my ground. 44 00:03:35,000 --> 00:03:36,000 Yellow one is my ground. 45 00:03:37,000 --> 00:03:38,000 This is connected to. 46 00:03:38,000 --> 00:03:42,000 This is my ground and this is my positive. 47 00:03:43,000 --> 00:03:43,000 Okay. 48 00:03:43,000 --> 00:03:45,000 This brown one is my positive. 49 00:03:45,000 --> 00:03:47,000 And over here, this is my lead. 50 00:03:47,000 --> 00:03:49,000 Right now, it is in off condition. 51 00:03:49,000 --> 00:03:51,000 Let's run it. 52 00:03:51,000 --> 00:03:56,000 When I run it, as you see, it goes high. 53 00:03:56,000 --> 00:04:02,000 And again, when I put inside, this value is four. 54 00:04:02,000 --> 00:04:07,000 In this case, when it got five volt, the brightness is very high. 55 00:04:07,000 --> 00:04:17,000 When I again run it with value four volt, the brightness will be less. 56 00:04:17,000 --> 00:04:23,000 It is less right now as compared to previous one. 57 00:04:23,000 --> 00:04:27,000 And if I put 3.1V over here. 58 00:04:28,000 --> 00:04:29,000 So let's run it. 59 00:04:35,000 --> 00:04:39,000 As you see now, the brightness is decreasing. 60 00:04:39,000 --> 00:04:43,000 And when I put here, let's say 2.5. 61 00:04:44,000 --> 00:04:46,000 Save it and again, run it. 62 00:04:50,000 --> 00:04:50,000 It is. 63 00:04:52,000 --> 00:04:55,000 The brightness goes low again and when it is too cold. 64 00:04:57,000 --> 00:04:58,000 Save it. 65 00:04:59,000 --> 00:04:59,000 Run it. 66 00:05:03,000 --> 00:05:04,000 Now. 67 00:05:06,000 --> 00:05:13,000 Breakdancing is legless, and when it is one bolt, it goes below threshold value. 68 00:05:14,000 --> 00:05:16,000 Now it is off. 69 00:05:17,000 --> 00:05:22,000 So this is how you can generate analog signal using python code. 70 00:05:22,000 --> 00:05:31,000 If you want to go for continuous sample writing, you just use for loop in case of this code. 71 00:05:31,000 --> 00:05:35,000 So this is all about today's lecture, how you can.