1 00:00:05,000 --> 00:00:06,000 Hello, friends. 2 00:00:06,000 --> 00:00:14,000 Today we discuss how to read an analog signal using an DAC card. 3 00:00:15,000 --> 00:00:19,000 And right now we just program using Python. 4 00:00:19,000 --> 00:00:25,000 So first I just open idly over here. 5 00:00:25,000 --> 00:00:26,000 This is my ideal. 6 00:00:28,000 --> 00:00:30,000 I already write a code. 7 00:00:30,000 --> 00:00:31,000 I just open it. 8 00:00:33,000 --> 00:00:36,000 So over here, this is my analog write code. 9 00:00:37,000 --> 00:00:38,000 Just maximize it. 10 00:00:40,000 --> 00:00:41,000 So now. 11 00:00:42,000 --> 00:00:43,000 Just minimize this. 12 00:00:43,000 --> 00:00:45,000 Maximize this also. 13 00:00:46,000 --> 00:00:55,000 So over here, I just first import an DMX API with an DMX dot task. 14 00:00:55,000 --> 00:01:07,000 As task, you have to just use analog input port that is available on your USB 6001 DAC card. 15 00:01:07,000 --> 00:01:20,000 Now my the name of my device is one and the analog port I'm using is I zero over here and I'm just using 16 00:01:20,000 --> 00:01:22,000 it as a voltage. 17 00:01:22,000 --> 00:01:31,000 So the value is equal to task dot read the value available on the I zero will show on my. 18 00:01:33,000 --> 00:01:35,000 Python ideal shell over here. 19 00:01:36,000 --> 00:01:40,000 So right now I just show you. 20 00:01:40,000 --> 00:01:48,000 So initially, if you want to check what is the device name of your deck card. 21 00:01:48,000 --> 00:01:49,000 So you just. 22 00:01:50,000 --> 00:01:52,000 Go to an IMAX. 23 00:01:54,000 --> 00:02:00,000 So first you have to install LabVIEW also in inside your system. 24 00:02:01,000 --> 00:02:03,000 After that, you just go to. 25 00:02:04,000 --> 00:02:05,000 Python shell. 26 00:02:05,000 --> 00:02:14,000 So I just open an emacs because it will show me which device is connected to my system. 27 00:02:15,000 --> 00:02:17,000 So it will take some time. 28 00:02:29,000 --> 00:02:36,000 If you want to configure your deck card, you just need this deck, Max. 29 00:02:36,000 --> 00:02:37,000 Okay. 30 00:02:37,000 --> 00:02:39,000 So over here in the devices. 31 00:02:43,000 --> 00:02:47,000 You can search any USB 6001. 32 00:02:48,000 --> 00:02:55,000 Just select it as you see the status is present and this is the serial number of my DAC device. 33 00:02:55,000 --> 00:02:56,000 Okay. 34 00:03:01,000 --> 00:03:11,000 So using this and I max or you can say measurement and automation explorer you can find out your device 35 00:03:11,000 --> 00:03:15,000 that is provided by national instruments. 36 00:03:15,000 --> 00:03:19,000 And over here you can check your device right now. 37 00:03:19,000 --> 00:03:20,000 I just closed it. 38 00:03:21,000 --> 00:03:28,000 So just I'm just moving to my hardware part in the hardware part. 39 00:03:31,000 --> 00:03:33,000 I have my deck card. 40 00:03:36,000 --> 00:03:37,000 Over here. 41 00:03:37,000 --> 00:03:42,000 This is my deck card and this is my breadboard. 42 00:03:42,000 --> 00:03:46,000 I'm just using and I'm for analog signal. 43 00:03:46,000 --> 00:03:49,000 I just use a potentiometer over here. 44 00:03:49,000 --> 00:03:55,000 As you know, the in case of potentiometer, we have three pins. 45 00:03:56,000 --> 00:03:57,000 Or three legs. 46 00:03:58,000 --> 00:04:03,000 The middle one will show me the signal and the outer ones. 47 00:04:03,000 --> 00:04:07,000 One is ground and one is my signal. 48 00:04:07,000 --> 00:04:10,000 In this case, I'm just using five volt signal. 49 00:04:10,000 --> 00:04:19,000 As you see over here, I'm just connecting one edge with the five volt signal and another one, as you 50 00:04:19,000 --> 00:04:20,000 see over here. 51 00:04:20,000 --> 00:04:21,000 This is. 52 00:04:22,000 --> 00:04:24,000 My in this case. 53 00:04:30,000 --> 00:04:34,000 My analog input port is present over here. 54 00:04:36,000 --> 00:04:36,000 And. 55 00:04:39,000 --> 00:04:43,000 As you see, analog input port is over here. 56 00:04:43,000 --> 00:04:44,000 This is the ground. 57 00:04:44,000 --> 00:04:47,000 Middle one is my signal. 58 00:04:47,000 --> 00:04:52,000 And the for that one zero is my signal. 59 00:04:52,000 --> 00:04:55,000 I zero port and four is my negative. 60 00:04:56,000 --> 00:04:58,000 I have to just ground it also. 61 00:04:58,000 --> 00:05:01,000 Okay, so the connection is like this. 62 00:05:03,000 --> 00:05:09,000 So over here I have five volt and this is my signal. 63 00:05:09,000 --> 00:05:14,000 Orange one is my signal and red one and brown one is my ground. 64 00:05:15,000 --> 00:05:18,000 Red one is my fourth pin. 65 00:05:18,000 --> 00:05:19,000 I four. 66 00:05:19,000 --> 00:05:20,000 I have to ground it. 67 00:05:20,000 --> 00:05:23,000 And this one is my ground pin. 68 00:05:23,000 --> 00:05:27,000 Okay, so now I just check what is the output? 69 00:05:28,000 --> 00:05:31,000 So moving on the. 70 00:05:33,000 --> 00:05:33,000 Program. 71 00:05:35,000 --> 00:05:37,000 As you see, you have to just. 72 00:05:38,000 --> 00:05:41,000 Save it and run it. 73 00:05:41,000 --> 00:05:52,000 When you run it, as you see over here, I got 1.956650 when I just change the potentiometer value. 74 00:05:52,000 --> 00:05:55,000 I'm just moving this rotary potentiometer. 75 00:05:55,000 --> 00:06:01,000 And again, I have to check I have to run this module. 76 00:06:01,000 --> 00:06:08,000 As you see the value changed from 1.9 to 3.477. 77 00:06:08,000 --> 00:06:19,000 And again, when I move it to maximum, in this case, I just require the maximum voltage that is nearly 78 00:06:19,000 --> 00:06:20,000 five volt. 79 00:06:20,000 --> 00:06:21,000 I just run it. 80 00:06:21,000 --> 00:06:30,000 So over here I got 4.9587, and if you move in another direction. 81 00:06:31,000 --> 00:06:32,000 To the maximum. 82 00:06:32,000 --> 00:06:35,000 Then you got minimum value. 83 00:06:36,000 --> 00:06:39,000 That is your zero, nearly zero. 84 00:06:39,000 --> 00:06:44,000 You have to run it again because right now in the program, I'm not using any loop. 85 00:06:45,000 --> 00:06:51,000 So over here, I just got the value 0.02. 86 00:06:51,000 --> 00:06:59,000 So this is how you can read analog signal through Python using an DAC card. 87 00:07:00,000 --> 00:07:01,000 Thank you.