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Arduino ADC usage

Aaron O'Sullivan

Hey all, is anyone savvy with arduino boards? 

I'm looking to use one to perform an analog to digital conversion on a measurement signal coming from a sensor.

The signal range is up to around 9V so I've potential divided this down by half so any value should be readable by the adc.

I've then used the analog read function on a0 and then done some cals to work out the source voltage and corresponding sensor pressure. 

What I'm struggling with is the input to the arduino, because when using the serial monitor the ADC signal outputted is seemingly random, and goes up and up then begins at zero again. 

Is this pin float? I feel like it is.

Parents
  • 0

    Maybe I'm not picturing it right, but I can't see a simple pull-up resistor causing the input to ramp up over time let alone rest to zero and repeat.

    I can only suggest cutting the problem in half - replace the sensor & potential divider with something simple - e.g. a pot (variable resistor) and see if the arduino then behaves as you expect as you twiddle it  - that should tell you if the problem is on the arduino side or sensor side.

       - Andy.

Reply
  • 0

    Maybe I'm not picturing it right, but I can't see a simple pull-up resistor causing the input to ramp up over time let alone rest to zero and repeat.

    I can only suggest cutting the problem in half - replace the sensor & potential divider with something simple - e.g. a pot (variable resistor) and see if the arduino then behaves as you expect as you twiddle it  - that should tell you if the problem is on the arduino side or sensor side.

       - Andy.

Children
  • 0 in reply to AJJewsbury

    I think it's the arduino side, as I've removed everything and I'm just reading the ADC output on A0 using AnalogRead(A0).

    I'm getting a varied output like this: 

    08:34:47.456 -> ADC Value :524.00
    08:34:48.485 -> ADC Value :297.00
    08:34:49.561 -> ADC Value :242.00
    08:34:50.587 -> ADC Value :229.00
    08:34:51.659 -> ADC Value :234.00
    08:34:52.690 -> ADC Value :228.00
    08:34:53.765 -> ADC Value :234.00
    08:34:54.793 -> ADC Value :228.00
    08:34:55.867 -> ADC Value :234.00
    08:34:56.895 -> ADC Value :227.00
    08:34:57.970 -> ADC Value :233.00
    08:34:58.999 -> ADC Value :228.00
    08:35:00.074 -> ADC Value :232.00
    08:35:01.105 -> ADC Value :228.00
    08:35:02.134 -> ADC Value :230.00
    08:35:03.209 -> ADC Value :230.00
    08:35:04.236 -> ADC Value :228.00
    08:35:05.314 -> ADC Value :233.00
    08:35:06.342 -> ADC Value :225.00
    08:35:07.418 -> ADC Value :235.00
    08:35:08.446 -> ADC Value :223.00
    08:35:09.522 -> ADC Value :235.00
    08:35:10.555 -> ADC Value :224.00
    08:35:11.632 -> ADC Value :232.00
    08:35:12.660 -> ADC Value :228.00
    08:35:13.739 -> ADC Value :227.00
    08:35:14.766 -> ADC Value :234.00
    08:35:15.843 -> ADC Value :223.00
    08:35:16.873 -> ADC Value :235.00
    08:35:17.905 -> ADC Value :225.00
    08:35:18.980 -> ADC Value :231.00
    08:35:20.010 -> ADC Value :225.00
    08:35:21.087 -> ADC Value :228.00
    08:35:22.116 -> ADC Value :230.00
    08:35:23.194 -> ADC Value :223.00
    08:35:24.222 -> ADC Value :230.00
    08:35:25.300 -> ADC Value :222.00
    08:35:26.329 -> ADC Value :231.00
    08:35:27.405 -> ADC Value :225.00
    08:35:28.435 -> ADC Value :226.00
    08:35:29.510 -> ADC Value :230.00
    08:35:30.535 -> ADC Value :223.00
    08:35:31.608 -> ADC Value :232.00
    08:35:32.635 -> ADC Value :221.00
    08:35:33.707 -> ADC Value :232.00
    08:35:34.731 -> ADC Value :220.00
    08:35:35.804 -> ADC Value :232.00
    08:35:36.831 -> ADC Value :221.00
    08:35:37.904 -> ADC Value :230.00
    08:35:38.927 -> ADC Value :222.00
    08:35:39.994 -> ADC Value :229.00
    08:35:41.063 -> ADC Value :223.00
    08:35:42.091 -> ADC Value :224.00
    08:35:43.165 -> ADC Value :228.00
    08:35:44.191 -> ADC Value :223.00
    08:35:45.263 -> ADC Value :230.00
    08:35:46.292 -> ADC Value :221.00
    08:35:47.368 -> ADC Value :231.00
    08:35:48.398 -> ADC Value :222.00
    08:35:49.467 -> ADC Value :231.00
    08:35:50.492 -> ADC Value :219.00
    08:35:51.561 -> ADC Value :232.00
    08:35:52.621 -> ADC Value :218.00
    08:35:53.649 -> ADC Value :229.00
    08:35:54.718 -> ADC Value :222.00
    08:35:55.790 -> ADC Value :230.00
    08:35:56.816 -> ADC Value :223.00
    08:35:57.892 -> ADC Value :225.00
    08:35:58.918 -> ADC Value :226.00
    08:35:59.989 -> ADC Value :221.00
    08:36:01.014 -> ADC Value :228.00
    08:36:02.087 -> ADC Value :219.00
    08:36:03.116 -> ADC Value :230.00
    08:36:04.189 -> ADC Value :218.00
    08:36:05.216 -> ADC Value :231.00
    08:36:06.288 -> ADC Value :219.00
    08:36:07.316 -> ADC Value :228.00
    08:36:08.389 -> ADC Value :222.00
    08:36:09.413 -> ADC Value :224.00
    08:36:10.480 -> ADC Value :227.00
    08:36:11.549 -> ADC Value :218.00
    08:36:12.573 -> ADC Value :230.00
    08:36:13.636 -> ADC Value :218.00

    I'm gonna try another arduino board, just to rule it out. 

  • 0 in reply to Aaron O'Sullivan

    Trying an official Uno board now and the result seems much closer together. 

    08:45:54.107 -> ADC Value :169.00
    08:45:55.134 -> ADC Value :155.00
    08:45:56.211 -> ADC Value :159.00
    08:45:57.244 -> ADC Value :156.00
    08:45:58.321 -> ADC Value :160.00
    08:45:59.352 -> ADC Value :158.00
    08:46:00.425 -> ADC Value :159.00
    08:46:01.453 -> ADC Value :160.00
    08:46:02.485 -> ADC Value :158.00
    08:46:03.560 -> ADC Value :160.00
    08:46:04.591 -> ADC Value :157.00
    08:46:05.668 -> ADC Value :161.00
    08:46:06.698 -> ADC Value :156.00
    08:46:07.774 -> ADC Value :161.00
    08:46:08.800 -> ADC Value :156.00
    08:46:09.875 -> ADC Value :161.00
    08:46:10.905 -> ADC Value :155.00
    08:46:11.981 -> ADC Value :162.00
    08:46:13.014 -> ADC Value :155.00
    08:46:14.041 -> ADC Value :159.00
    08:46:15.112 -> ADC Value :151.00
    08:46:16.140 -> ADC Value :164.00
    08:46:17.215 -> ADC Value :153.00
    08:46:18.243 -> ADC Value :163.00
    08:46:19.318 -> ADC Value :151.00
    08:46:20.346 -> ADC Value :164.00
    08:46:21.423 -> ADC Value :152.00
    08:46:22.450 -> ADC Value :167.00
    08:46:23.525 -> ADC Value :151.00
    08:46:24.554 -> ADC Value :166.00
    08:46:25.631 -> ADC Value :152.00
    08:46:26.660 -> ADC Value :167.00
    08:46:27.736 -> ADC Value :153.00
    08:46:28.766 -> ADC Value :166.00
    08:46:29.840 -> ADC Value :151.00
    08:46:30.867 -> ADC Value :165.00
    08:46:31.941 -> ADC Value :151.00
    08:46:32.972 -> ADC Value :166.00
    08:46:34.000 -> ADC Value :151.00
    08:46:35.075 -> ADC Value :164.00
    08:46:36.104 -> ADC Value :153.00
    08:46:37.176 -> ADC Value :164.00
    08:46:38.203 -> ADC Value :151.00
    08:46:39.271 -> ADC Value :164.00
    08:46:40.343 -> ADC Value :151.00
    08:46:41.370 -> ADC Value :166.00
    08:46:42.445 -> ADC Value :152.00
    08:46:43.475 -> ADC Value :164.00
    08:46:44.551 -> ADC Value :150.00
    08:46:45.580 -> ADC Value :165.00
    08:46:46.610 -> ADC Value :151.00
    08:46:47.689 -> ADC Value :157.00
    08:46:48.713 -> ADC Value :154.00
    08:46:49.786 -> ADC Value :163.00
    08:46:50.816 -> ADC Value :151.00
    08:46:51.892 -> ADC Value :162.00
    08:46:52.919 -> ADC Value :153.00
    08:46:53.992 -> ADC Value :163.00
    08:46:55.019 -> ADC Value :152.00
    08:46:56.097 -> ADC Value :163.00
    08:46:57.125 -> ADC Value :152.00
    08:46:58.194 -> ADC Value :163.00
    08:46:59.219 -> ADC Value :152.00
    08:47:00.292 -> ADC Value :164.00
    08:47:01.324 -> ADC Value :150.00
    08:47:02.401 -> ADC Value :164.00
    08:47:03.429 -> ADC Value :151.00
    08:47:04.500 -> ADC Value :164.00
    08:47:05.526 -> ADC Value :152.00
    08:47:06.604 -> ADC Value :161.00
    08:47:07.634 -> ADC Value :154.00
    08:47:08.710 -> ADC Value :158.00
    08:47:09.737 -> ADC Value :157.00
    08:47:10.814 -> ADC Value :155.00
    08:47:11.842 -> ADC Value :159.00
    08:47:12.918 -> ADC Value :152.00
    08:47:13.949 -> ADC Value :163.00
    08:47:14.979 -> ADC Value :150.00
    08:47:16.048 -> ADC Value :165.00
    08:47:17.079 -> ADC Value :150.00
    08:47:18.156 -> ADC Value :164.00
    08:47:19.182 -> ADC Value :151.00
    08:47:20.256 -> ADC Value :161.00
    08:47:21.287 -> ADC Value :153.00
    08:47:22.361 -> ADC Value :156.00
    08:47:23.393 -> ADC Value :158.00
    08:47:24.470 -> ADC Value :155.00
    08:47:25.499 -> ADC Value :160.00
    08:47:26.571 -> ADC Value :151.00
    08:47:27.599 -> ADC Value :163.00
    08:47:28.672 -> ADC Value :150.00
    08:47:29.700 -> ADC Value :165.00
    08:47:30.772 -> ADC Value :146.00
    08:47:31.800 -> ADC Value :161.00
    08:47:32.876 -> ADC Value :154.00
    08:47:33.903 -> ADC Value :158.00
    08:47:34.977 -> ADC Value :158.00
    08:47:36.004 -> ADC Value :153.00
    08:47:37.078 -> ADC Value :162.00
    08:47:38.108 -> ADC Value :150.00
    08:47:39.140 -> ADC Value :164.00
    08:47:40.215 -> ADC Value :149.00
    08:47:41.244 -> ADC Value :162.00
    08:47:42.316 -> ADC Value :153.00
    08:47:43.344 -> ADC Value :159.00
    08:47:44.419 -> ADC Value :157.00
    08:47:45.446 -> ADC Value :154.00
    08:47:46.520 -> ADC Value :160.00
    08:47:47.547 -> ADC Value :150.00
    08:47:48.621 -> ADC Value :164.00
    08:47:49.654 -> ADC Value :149.00
    08:47:50.730 -> ADC Value :163.00
    08:47:51.759 -> ADC Value :150.00
    08:47:52.833 -> ADC Value :163.00
    08:47:53.863 -> ADC Value :152.00
    08:47:54.940 -> ADC Value :160.00
    08:47:55.967 -> ADC Value :156.00
    08:47:57.043 -> ADC Value :156.00
    08:47:58.071 -> ADC Value :159.00
    08:47:59.147 -> ADC Value :154.00
    08:48:00.176 -> ADC Value :163.00
    08:48:01.207 -> ADC Value :151.00
    08:48:02.282 -> ADC Value :165.00
    08:48:03.310 -> ADC Value :150.00
    08:48:04.386 -> ADC Value :161.00
    08:48:05.415 -> ADC Value :154.00
    08:48:06.490 -> ADC Value :157.00
    08:48:07.523 -> ADC Value :156.00
    08:48:08.602 -> ADC Value :155.00
    08:48:09.630 -> ADC Value :161.00
    08:48:10.704 -> ADC Value :152.00
    08:48:11.736 -> ADC Value :163.00
    08:48:12.763 -> ADC Value :149.00
    08:48:13.840 -> ADC Value :164.00
    08:48:14.870 -> ADC Value :149.00
    08:48:15.947 -> ADC Value :163.00
    08:48:16.975 -> ADC Value :150.00
    08:48:18.051 -> ADC Value :161.00
    08:48:19.077 -> ADC Value :152.00
    08:48:20.147 -> ADC Value :159.00
    08:48:21.176 -> ADC Value :155.00
    08:48:22.248 -> ADC Value :156.00
    08:48:23.272 -> ADC Value :157.00
    08:48:24.349 -> ADC Value :154.00
    08:48:25.378 -> ADC Value :160.00
    08:48:26.459 -> ADC Value :151.00
    08:48:27.490 -> ADC Value :162.00
    08:48:28.561 -> ADC Value :149.00
    08:48:29.590 -> ADC Value :163.00
    08:48:30.620 -> ADC Value :149.00
    08:48:31.693 -> ADC Value :163.00
    08:48:32.724 -> ADC Value :150.00
    08:48:33.799 -> ADC Value :161.00
    08:48:34.826 -> ADC Value :153.00
    08:48:35.903 -> ADC Value :159.00
    08:48:36.932 -> ADC Value :153.00
    08:48:38.005 -> ADC Value :151.00
    08:48:39.034 -> ADC Value :162.00
    08:48:40.107 -> ADC Value :153.00
    08:48:41.136 -> ADC Value :160.00
    08:48:42.209 -> ADC Value :152.00
    08:48:43.241 -> ADC Value :162.00
    08:48:44.316 -> ADC Value :150.00
    08:48:45.342 -> ADC Value :163.00
    08:48:46.415 -> ADC Value :149.00
    08:48:47.443 -> ADC Value :163.00
    08:48:48.515 -> ADC Value :149.00
    08:48:49.541 -> ADC Value :162.00
    08:48:50.618 -> ADC Value :151.00
    08:48:51.647 -> ADC Value :160.00
    08:48:52.723 -> ADC Value :153.00
    08:48:53.750 -> ADC Value :157.00
    08:48:54.822 -> ADC Value :156.00
    08:48:55.851 -> ADC Value :155.00
    08:48:56.923 -> ADC Value :159.00
    08:48:57.950 -> ADC Value :152.00
    08:48:59.025 -> ADC Value :161.00
    08:49:00.051 -> ADC Value :148.00
    08:49:01.124 -> ADC Value :158.00
    08:49:02.154 -> ADC Value :160.00
    08:49:03.230 -> ADC Value :164.00
    08:49:04.260 -> ADC Value :149.00
    08:49:05.333 -> ADC Value :158.00
    08:49:06.361 -> ADC Value :163.00
    08:49:07.435 -> ADC Value :152.00
    08:49:08.461 -> ADC Value :158.00
    08:49:09.538 -> ADC Value :151.00
    08:49:10.566 -> ADC Value :161.00
    08:49:11.596 -> ADC Value :149.00
    08:49:12.671 -> ADC Value :163.00
    08:49:13.701 -> ADC Value :149.00
    08:49:14.777 -> ADC Value :163.00
    08:49:15.804 -> ADC Value :150.00
    08:49:16.880 -> ADC Value :161.00
    08:49:17.907 -> ADC Value :153.00
    08:49:18.982 -> ADC Value :157.00
    08:49:20.008 -> ADC Value :158.00
    08:49:21.085 -> ADC Value :153.00
    08:49:22.113 -> ADC Value :161.00
    08:49:23.189 -> ADC Value :150.00
    08:49:24.223 -> ADC Value :163.00
    08:49:25.253 -> ADC Value :149.00
    08:49:26.331 -> ADC Value :162.00
    08:49:27.360 -> ADC Value :152.00
    08:49:28.434 -> ADC Value :157.00
    08:49:29.465 -> ADC Value :155.00
    08:49:30.539 -> ADC Value :155.00
    08:49:31.568 -> ADC Value :162.00
    08:49:32.643 -> ADC Value :150.00
    08:49:33.671 -> ADC Value :163.00
    08:49:34.747 -> ADC Value :150.00
    08:49:35.777 -> ADC Value :162.00
    08:49:36.849 -> ADC Value :152.00
    08:49:37.879 -> ADC Value :157.00
    08:49:38.953 -> ADC Value :157.00
    08:49:39.981 -> ADC Value :154.00
    08:49:41.056 -> ADC Value :161.00
    08:49:42.085 -> ADC Value :150.00
    08:49:43.116 -> ADC Value :163.00
    08:49:44.190 -> ADC Value :150.00
    08:49:45.216 -> ADC Value :162.00
    08:49:46.290 -> ADC Value :154.00
    08:49:47.315 -> ADC Value :156.00
    08:49:48.392 -> ADC Value :160.00
    08:49:49.419 -> ADC Value :151.00
    08:49:50.494 -> ADC Value :164.00
    08:49:51.519 -> ADC Value :150.00
    08:49:52.596 -> ADC Value :163.00
    08:49:53.623 -> ADC Value :152.00
    08:49:54.695 -> ADC Value :160.00
    08:49:55.720 -> ADC Value :156.00
    08:49:56.798 -> ADC Value :158.00
    08:49:57.827 -> ADC Value :160.00
    08:49:58.903 -> ADC Value :151.00
    08:49:59.932 -> ADC Value :163.00
    08:50:01.008 -> ADC Value :149.00
    08:50:02.031 -> ADC Value :163.00
    08:50:03.107 -> ADC Value :151.00
    08:50:04.133 -> ADC Value :161.00
    08:50:05.208 -> ADC Value :156.00
    08:50:06.237 -> ADC Value :156.00
    08:50:07.317 -> ADC Value :160.00
    08:50:08.343 -> ADC Value :152.00
    08:50:09.416 -> ADC Value :163.00
    08:50:10.437 -> ADC Value :150.00
    08:50:11.511 -> ADC Value :164.00
    08:50:12.538 -> ADC Value :151.00
    08:50:13.615 -> ADC Value :163.00
    08:50:14.642 -> ADC Value :154.00
    08:50:15.717 -> ADC Value :159.00
    08:50:16.744 -> ADC Value :158.00
    08:50:17.820 -> ADC Value :154.00
    08:50:18.846 -> ADC Value :162.00
    08:50:19.920 -> ADC Value :151.00
    08:50:20.946 -> ADC Value :164.00
    08:50:22.016 -> ADC Value :150.00
    08:50:23.050 -> ADC Value :164.00
    08:50:24.123 -> ADC Value :151.00
    08:50:25.150 -> ADC Value :162.00
    08:50:26.220 -> ADC Value :155.00
    08:50:27.243 -> ADC Value :158.00
    08:50:28.313 -> ADC Value :157.00
    08:50:29.376 -> ADC Value :155.00
    08:50:30.400 -> ADC Value :161.00
    08:50:31.477 -> ADC Value :152.00
    08:50:32.499 -> ADC Value :163.00
    08:50:33.565 -> ADC Value :151.00
    08:50:34.631 -> ADC Value :164.00
    08:50:35.656 -> ADC Value :151.00
    08:50:36.727 -> ADC Value :164.00
    08:50:37.751 -> ADC Value :151.00
    08:50:38.826 -> ADC Value :167.00
    08:50:39.855 -> ADC Value :153.00
    08:50:40.928 -> ADC Value :164.00
    08:50:41.958 -> ADC Value :150.00
    08:50:43.033 -> ADC Value :158.00
    08:50:44.063 -> ADC Value :142.00
    08:50:45.137 -> ADC Value :163.00
    08:50:46.164 -> ADC Value :151.00
    08:50:47.239 -> ADC Value :162.00
    08:50:48.270 -> ADC Value :155.00
    08:50:49.346 -> ADC Value :160.00
    08:50:50.373 -> ADC Value :156.00
    08:50:51.446 -> ADC Value :160.00
    08:50:52.473 -> ADC Value :156.00
    08:50:53.546 -> ADC Value :159.00
    08:50:54.576 -> ADC Value :156.00
    08:50:55.651 -> ADC Value :160.00
    08:50:56.682 -> ADC Value :157.00
    08:50:57.708 -> ADC Value :147.00
    08:50:58.779 -> ADC Value :157.00
    08:50:59.810 -> ADC Value :156.00
    08:51:00.882 -> ADC Value :160.00
    08:51:01.910 -> ADC Value :154.00
    08:51:02.974 -> ADC Value :163.00
    08:51:04.027 -> ADC Value :153.00
    08:51:05.071 -> ADC Value :164.00
    08:51:06.121 -> ADC Value :152.00
    08:51:07.175 -> ADC Value :164.00
    08:51:08.233 -> ADC Value :153.00
    08:51:09.289 -> ADC Value :164.00
    08:51:10.354 -> ADC Value :153.00
    08:51:11.377 -> ADC Value :158.00
    08:51:12.446 -> ADC Value :155.00
    08:51:13.510 -> ADC Value :157.00
    08:51:14.534 -> ADC Value :159.00
    08:51:15.603 -> ADC Value :156.00
    08:51:16.628 -> ADC Value :162.00
    08:51:17.697 -> ADC Value :153.00
    08:51:18.760 -> ADC Value :164.00
    08:51:19.780 -> ADC Value :152.00
    08:51:20.848 -> ADC Value :164.00
    08:51:21.878 -> ADC Value :154.00
    08:51:22.948 -> ADC Value :160.00
    08:51:24.018 -> ADC Value :159.00
    08:51:25.046 -> ADC Value :155.00
    08:51:26.075 -> ADC Value :163.00
    08:51:27.146 -> ADC Value :152.00
    08:51:28.221 -> ADC Value :165.00
    08:51:29.245 -> ADC Value :152.00
    08:51:30.318 -> ADC Value :163.00
    08:51:31.340 -> ADC Value :160.00
    08:51:32.410 -> ADC Value :158.00
    08:51:33.436 -> ADC Value :161.00
    08:51:34.501 -> ADC Value :153.00
    08:51:35.557 -> ADC Value :164.00
    08:51:36.619 -> ADC Value :152.00
    08:51:37.640 -> ADC Value :163.00
    08:51:38.709 -> ADC Value :157.00
    08:51:39.738 -> ADC Value :157.00
    08:51:40.813 -> ADC Value :162.00
    08:51:41.840 -> ADC Value :153.00
    08:51:42.914 -> ADC Value :165.00
    08:51:43.941 -> ADC Value :152.00
    08:51:45.019 -> ADC Value :162.00
    08:51:46.041 -> ADC Value :155.00
    08:51:47.116 -> ADC Value :159.00
    08:51:48.142 -> ADC Value :159.00
    08:51:49.218 -> ADC Value :155.00
    08:51:50.245 -> ADC Value :162.00
    08:51:51.320 -> ADC Value :153.00
    08:51:52.345 -> ADC Value :165.00
    08:51:53.421 -> ADC Value :152.00
    08:51:54.449 -> ADC Value :166.00
    08:51:55.521 -> ADC Value :154.00
    08:51:56.546 -> ADC Value :182.00
    08:51:57.624 -> ADC Value :155.00
    08:51:58.653 -> ADC Value :157.00
    08:51:59.726 -> ADC Value :162.00
    08:52:00.753 -> ADC Value :153.00
    08:52:01.829 -> ADC Value :165.00
    08:52:02.854 -> ADC Value :152.00
    08:52:03.933 -> ADC Value :165.00
    08:52:04.962 -> ADC Value :154.00
    08:52:06.039 -> ADC Value :160.00
    08:52:07.068 -> ADC Value :160.00
    08:52:08.144 -> ADC Value :156.00
    08:52:09.174 -> ADC Value :164.00
    08:52:10.247 -> ADC Value :152.00
    08:52:11.277 -> ADC Value :166.00
    08:52:12.306 -> ADC Value :153.00
    08:52:13.381 -> ADC Value :163.00
    08:52:14.408 -> ADC Value :158.00
    08:52:15.482 -> ADC Value :157.00
    08:52:16.512 -> ADC Value :164.00
    08:52:17.589 -> ADC Value :153.00
    08:52:18.616 -> ADC Value :166.00
    08:52:19.691 -> ADC Value :152.00
    08:52:20.718 -> ADC Value :163.00
    08:52:21.790 -> ADC Value :157.00
    08:52:22.818 -> ADC Value :158.00
    08:52:23.894 -> ADC Value :161.00
    08:52:24.922 -> ADC Value :154.00
    08:52:25.997 -> ADC Value :165.00
    08:52:27.025 -> ADC Value :152.00
    08:52:28.102 -> ADC Value :166.00
    08:52:29.132 -> ADC Value :153.00
    08:52:30.204 -> ADC Value :163.00
    08:52:31.233 -> ADC Value :157.00
    08:52:32.264 -> ADC Value :158.00
    08:52:33.338 -> ADC Value :162.00
    08:52:34.370 -> ADC Value :151.00
    08:52:35.445 -> ADC Value :163.00
    08:52:36.474 -> ADC Value :152.00
    08:52:37.549 -> ADC Value :164.00
    08:52:38.580 -> ADC Value :153.00
    08:52:39.656 -> ADC Value :161.00
    08:52:40.683 -> ADC Value :159.00
    08:52:41.759 -> ADC Value :157.00
    08:52:42.787 -> ADC Value :163.00
    08:52:43.861 -> ADC Value :154.00
    08:52:44.890 -> ADC Value :166.00
    08:52:45.965 -> ADC Value :152.00
    08:52:46.994 -> ADC Value :165.00
    08:52:48.069 -> ADC Value :154.00
    08:52:49.091 -> ADC Value :162.00
    08:52:50.165 -> ADC Value :159.00
    08:52:51.195 -> ADC Value :157.00
    08:52:52.229 -> ADC Value :164.00
    08:52:53.303 -> ADC Value :153.00
    08:52:54.332 -> ADC Value :166.00
    08:52:55.408 -> ADC Value :153.00
    08:52:56.438 -> ADC Value :164.00
    08:52:57.510 -> ADC Value :163.00
    08:52:58.539 -> ADC Value :155.00
    08:52:59.614 -> ADC Value :161.00
    08:53:00.640 -> ADC Value :156.00
    08:53:01.714 -> ADC Value :164.00
    08:53:02.741 -> ADC Value :155.00
    08:53:03.817 -> ADC Value :165.00
    08:53:04.845 -> ADC Value :156.00
    08:53:05.918 -> ADC Value :160.00
    08:53:06.948 -> ADC Value :168.00
    08:53:08.021 -> ADC Value :151.00
    08:53:09.051 -> ADC Value :161.00
    08:53:10.121 -> ADC Value :140.00
    08:53:11.146 -> ADC Value :154.00
    08:53:12.217 -> ADC Value :138.00
    08:53:13.239 -> ADC Value :167.00
    08:53:14.313 -> ADC Value :158.00
    08:53:15.384 -> ADC Value :161.00
    08:53:16.410 -> ADC Value :162.00
    08:53:17.482 -> ADC Value :156.00
    08:53:18.511 -> ADC Value :166.00
    08:53:19.584 -> ADC Value :153.00
    08:53:20.610 -> ADC Value :166.00
    08:53:21.683 -> ADC Value :157.00
    08:53:22.709 -> ADC Value :164.00
    08:53:23.781 -> ADC Value :156.00
    08:53:24.809 -> ADC Value :159.00
    08:53:25.878 -> ADC Value :162.00

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