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Last modified by Karry Zhuang on 2025/07/03 11:59
From version 78.1
edited by Karry Zhuang
on 2024/04/24 16:33
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To version 179.3
edited by Xiaoling
on 2024/05/17 09:09
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Summary

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Author
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1 -XWiki.karry
1 +XWiki.Xiaoling
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1 -
1 +**Table of Contents:**
2 2  
3 +{{toc/}}
3 3  
4 4  
5 5  
6 -**Table of Contents:**
7 7  
8 -{{toc/}}
9 9  
10 10  
11 11  
12 12  
13 13  
14 -
15 15  = 1. Overview =
16 16  
15 +
17 17  AIS is a video photo recognition sensor, the sensor can be used in electricity meters, gas meters, water meters, pressure gauges and other types of meters. Accurately identify the number of the current dial or upload the picture of the current dial for comparison, which can replace people to go to the door to read the meter, and is more accurate and energy-saving than the meter. The first thing to do is to fix the AIS sensor, the end direction needs to be aligned with the object that needs to be identified, you can check whether the object all appears in the lens range through the upper computer, and then calibrate, Chapter 2 will explain the calibration method of different tables. 
18 18  
18 +
19 19  = 2. Calibrate Digits Readings =
20 20  
21 -The AI Sensors and UART are connected and then connected to the PC.
22 22  
23 - [[image:image-20240424163117-1.png||height="520" width="450"]]
22 +According to the requirements to upgrade the firmware to correct the reading, respectively:[[Digital wheel dial firmware>>url:https://www.dropbox.com/scl/fi/nxa0nw0k2qhbpcxzfsz03/Digital-table-wheel-firmware.rar?rlkey=u9wqmilfwu899fhc9i2jfcwou&st=ftsl46f5&dl=0]]，[[Pointer dial firmware>>url:https://www.dropbox.com/scl/fi/y03feisk7ztq1ey6pmhqb/Pointer-dial-firmware.rar?rlkey=knlx67m1g26xukrthcum1kk23&st=5m196s89&dl=0]].
24 24  
25 -[[image:image-20240424163158-2.gif]][[image:image-20240424163213-3.jpeg||height="360" width="480"]]
24 +Firmware upgrade Reference:[[Update Firmware for the AI Sensors>>http://wiki.dragino.com/xwiki/bin/view/Main/Update%20Firmware%20for%20AI%20Sensor/]].
26 26  
26 +
27 27  == 2.1 Calibrate a Water Meter ==
28 28  
29 29  === 2.1.1 Introduce ===
30 30  
31 +
31 31  This water meter is designed in accordance with the Chinese standard for drinking cold water meters and hot water meters, GB/T 778.1-2007. It features five dial numbers for measurement accuracy.
32 32  
34 +
33 33  === 2.1.2 Fix Sensor to a Water Meter ===
34 34  
35 -Do the following with EVB_Board
36 -Debug Board SW12=[off on] : FT4222H SPI Slave mode
37 -AIoT Board SW123456=[off off off off off off]
38 38  
39 -(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(%%) (% title="Click and drag to resize" %)​
38 +The assembly necessitates the use of two screws, two spacers, and this specific device.
40 40  
41 -Use a hot glue gun and several sticks to attach a triangle for stabilizing the AIS. Adjust the height of the sticks so that the AIS can clearly view the numbers on the water meter.
40 +Additionally, there are AIS Sensors available along with AUC USB TTL adapters for AIS Sensors.
42 42  
43 -[[image:image-20240422092251-1.png]]
42 +The fixture below is just a demo, user might adjust it with their water meter. Here is the STEP file for the fixture as below: [[Water Meter Fixture Demo>>https://www.dropbox.com/scl/fo/p1ykgysrv8p454swsh4zj/AHCYr5pcOM0WNad4fT1sf_I?rlkey=7x964q1tuvh0ezbhgxb9b2zqg&st=wxxq87t3&dl=0]].
44 44  
44 +[[image:image-20240428163842-3.png||height="425" width="609"]] [[image:image-20240428155254-1.png||height="424" width="358"]]
45 45  
46 +The procedure is as follows:
47 +
48 +~1. Secure back of the AIS sensor  onto the small board and adjust its position according to your requirements. You may use two additional screws for fixation or utilize 3M double-sided adhesive for attachment.
49 +
50 +[[image:image-20240428165320-4.gif]]
51 +
52 +
53 +2. Proceed by fastening the device using the previously prepared screws and gaskets.
54 +
55 +[[image:image-20240428165354-5.gif]]
56 +
57 +
58 +3. Finally, nestle the device onto your water meter, ensuring that it can be adjusted to meet your specific needs while guaranteeing that the camera is directed towards the digital wheel face.
59 +
60 +[[image:image-20240428165412-6.gif]].
61 +
62 +
63 +The AI Sensors and AUC USB TTL Adapter for AIS Sensors are connected and then connected to the PC.
64 +
65 +[[image:image-20240428165634-7.gif]][[image:image-20240428165645-8.jpeg||height="332" width="443"]]
66 +
67 +
46 46  === 2.1.3 Calibration ===
47 47  
48 -Perform a power reset on the EVB board, making sure to close the ota.exe program before opening HMX_FT4222H_GUI.exe.
49 49  
50 -Choose the largest number of serial port, for example, here shows 13 and 14, then choose 14.
71 +Open the software  [[HMX_FT4222H_GUI.exe>>https://www.dropbox.com/scl/fi/yktibns4o33oh0lqitqjl/HIMAX_AMR_PC_Tool.7z?rlkey=94d637ntx152idhw8vij39icv&st=4lsq8xf9&dl=0]]. Please ensure that the firmware upgrade software ota.exe is closed before opening HMX_FT4222H_GUI.exe.
51 51  
73 +For example, Select the corresponding serial port number, here 14.
74 +
52 52  (% class="box warningmessage" %)
53 53  (((
54 -(% class="mark" %)Note: before you start the software (%%)HMX_FT4222H_GUI.exe(% class="mark" %). you must pre-install the visualcppredist_aio_x6_x64_v42.exe configuration environment. Otherwise, an error pop-up window occurs when running software.
77 +(% class="mark" %)Note: before you start the software (%%)HMX_FT4222H_GUI.exe(% class="mark" %). you must pre-install the [[visualcppredist_aio_x6_x64_v42.exe>>https://www.dropbox.com/scl/fi/mzqx6ld5a4zkcecntqjjg/VisualCppRedist_AIO_x86_x64_v42.rar?rlkey=9fuzodmed1fg9ulquh22h0dtr&st=ph6ozi4d&dl=0]] configuration environment. Otherwise, an error pop-up window occurs when running software.
55 55  )))
56 56  
57 -(% aria-label="1713519971789-213.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1713519971789-213.png||data-widget="image"]](% title="Click and drag to resize" %)​
80 +(% aria-label="1713519971789-213.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1713519971789-213.png||data-widget="image"]]
58 58  
59 -Next, select a Baud rate of 921600 and click on "start". Then, click on "show full image" to display the camera screen.
82 +(% title="Click and drag to resize" %)​
60 60  
61 -(% aria-label="image-20240419174908-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20240419174908-5.png||data-widget="image" height="491" width="406"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(% aria-label="image-20240419175103-7.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20240419175103-7.png||data-widget="image" height="489" width="632"]](% title="Click and drag to resize" %)​
84 +Next, select a Baud rate of **921600** and click on **"start"**. Then, click on **"show full image" **to display the camera screen.
62 62  
63 -Click "enable Raw" and save the BMP image in the "Save" folder. This step is necessary to obtain the coordinate points of the watch face.
86 +(% aria-label="image-20240419174908-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20240419174908-5.png||data-widget="image" height="491" width="406"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(% aria-label="image-20240419175103-7.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20240419175103-7.png||data-widget="image" height="489" width="632"]]
64 64  
88 +(% title="Click and drag to resize" %)​
89 +
90 +Click **"enable Raw" **and save the BMP image in the "Save" folder. This step is necessary to obtain the coordinate points of the watch face.
91 +
65 65  (% aria-label="image-20240419175324-8.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20240419175324-8.png||data-widget="image" height="637" width="911"]](% title="Click and drag to resize" %)​
66 66  
67 67  (% aria-label="image-20240419175324-9.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20240419175324-9.png||data-widget="image" height="348" width="913"]](% title="Click and drag to resize" %)​
... ... @@ -74,8 +74,10 @@
74 74  
75 75  The computer's drawing tool can be used to open the latest bmp image and get the coordinates of the digital wheel dial, as shown below. Based on the format of the digital wheel dial, we can obtain each coordinate point of the current use dial. The (x,y) coordinate on the image is located at the bottom left corner.
76 76  
77 -(% aria-label="1713574859715-722.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1713574859715-722.png||data-widget="image" height="481" width="576"]](% title="Click and drag to resize" %)​
104 +(% aria-label="1713574859715-722.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1713574859715-722.png||data-widget="image" height="481" width="576"]]
78 78  
106 +(% title="Click and drag to resize" %)​
107 +
79 79  Click the "ROI setting" button in "HIMAX_AMR_PC_Tool" and three options will pop up
80 80  
81 81  The "Long dial" option is the long hand dial.
... ... @@ -117,40 +117,43 @@
117 117  
118 118  === 2.2.1 Introduce ===
119 119  
149 +
120 120  This power meter is designed in accordance with the Chinese standard for Electricity metering equipment, GB/T 17215.321-2008. It features six dial numbers for measurement accuracy.
121 121  
152 +
122 122  === 2.2.2 Fix Sensor to a Power Meter ===
123 123  
124 -Do the following with EVB_Board
125 -Debug Board SW12=[off on] : FT4222H SPI Slave mode
126 -AIoT Board SW123456=[off off off off off off]
155 +(% class="wikigeneratedid" %)
156 +=== (% title="Click and drag to resize" %)​(%%) ===
127 127  
128 -(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(%%) (% title="Click and drag to resize" %)​
158 +You can utilize a couple of pea clips or other suitable fixtures to securely fasten the AIS sensor and ensure precise alignment of the camera with the digital watch wheel.
129 129  
130 -Use a hot glue gun and several sticks to attach a triangle for stabilizing the AIS. Adjust the height of the sticks so that the AIS can clearly view the numbers on the power meter.
160 +[[image:image-20240429091325-1.png||height="706" width="535"]]
131 131  
132 -[[image:image-20240422092350-2.png]](% title="Click and drag to resize" %)​
133 133  
134 -
135 135  === 2.2.3 Calibration ===
136 136  
137 -Perform a power reset on the EVB board, making sure to close the ota.exe program before opening HMX_FT4222H_GUI.exe.
138 138  
139 -Choose the largest number of serial port, for example, here shows 13 and 14, then choose 14.
166 +Open the software  [[HMX_FT4222H_GUI.exe>>https://www.dropbox.com/scl/fi/yktibns4o33oh0lqitqjl/HIMAX_AMR_PC_Tool.7z?rlkey=94d637ntx152idhw8vij39icv&st=4lsq8xf9&dl=0]]. Please ensure that the firmware upgrade software ota.exe is closed before opening HMX_FT4222H_GUI.exe.
140 140  
168 +For example, Select the corresponding serial port number, here 14.
169 +
141 141  (% class="box warningmessage" %)
142 142  (((
143 -(% class="mark" %)Note: before you start the software (%%)HMX_FT4222H_GUI.exe(% class="mark" %). you must pre-install the visualcppredist_aio_x6_x64_v42.exe configuration environment. Otherwise, an error pop-up window occurs when running software.
172 +(% class="mark" %)Note: before you start the software (%%)HMX_FT4222H_GUI.exe(% class="mark" %). you must pre-install the [[visualcppredist_aio_x6_x64_v42.exe>>https://www.dropbox.com/scl/fi/mzqx6ld5a4zkcecntqjjg/VisualCppRedist_AIO_x86_x64_v42.rar?rlkey=9fuzodmed1fg9ulquh22h0dtr&st=ph6ozi4d&dl=0]] configuration environment. Otherwise, an error pop-up window occurs when running software.
144 144  )))
145 145  
146 -(% aria-label="1713519971789-213.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1713519971789-213.png||data-widget="image"]](% title="Click and drag to resize" %)​
175 +(% aria-label="1713519971789-213.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1713519971789-213.png||data-widget="image"]]
147 147  
148 -Next, select a Baud rate of 921600 and click on "start". Then, click on "show full image" to display the camera screen.
177 +(% title="Click and drag to resize" %)​
149 149  
179 +Next, select a Baud rate of **921600** and click on **"start"**. Then, click on **"show full image"** to display the camera screen.
180 +
150 150  (% aria-label="image-20240419174908-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20240419174908-5.png||data-widget="image" height="491" width="406"]][[image:image-20240420135207-3.png||height="485" width="706"]]
151 151  
152 -Click "enable Raw" and save the BMP image in the "Save" folder. This step is necessary to obtain the coordinate points of the watch face.
153 153  
184 +Click **"enable Raw"** and save the BMP image in the "Save" folder. This step is necessary to obtain the coordinate points of the watch face.
185 +
154 154  [[image:1713592384928-500.png||height="494" width="266"]][[image:image-20240420141955-4.png||height="492" width="782"]]
155 155  
156 156  This power meter has only six fields, and the coordinates of the digital roulette wheel are shown in the figure.
... ... @@ -163,6 +163,7 @@
163 163  
164 164  [[image:image-20240420153316-11.png||height="569" width="755"]]
165 165  
198 +
166 166  (% id="cke_bm_67462S" style="display:none" %) (%%)Click the "ROI setting" button in "HIMAX_AMR_PC_Tool" and three options will pop up
167 167  
168 168  The "Long dial" option is the long hand dial.
... ... @@ -202,30 +202,28 @@
202 202  
203 203  === 2.3.1 Introduce ===
204 204  
238 +
205 205  This gas meter uses G2.5 membrane gas meter. It features eight dial numbers for measurement accuracy.
206 206  
241 +
207 207  === 2.3.2 Fix Sensor to a Gas Meter ===
208 208  
209 -Do the following with EVB_Board
210 -Debug Board SW12=[off on] : FT4222H SPI Slave mode
211 -AIoT Board SW123456=[off off off off off off]
212 212  
213 -(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(%%) (% title="Click and drag to resize" %)​
245 +You can utilize a couple of pea clips or other suitable fixtures to securely fasten the AIS sensor and ensure precise alignment of the camera with the digital watch wheel.
214 214  
215 -Use a hot glue gun and several sticks to attach  for stabilizing the AIS. Adjust the height of the sticks so that the AIS can clearly view the numbers on the gas meter.
247 +[[image:image-20240429092436-2.png||height="676" width="519"]]
216 216  
217 -(% title="Click and drag to resize" %)​[[image:image-20240422092731-2.png||height="693" width="518"]]
218 218  
219 -
220 220  === 2.3.3 Calibration ===
221 221  
222 -Perform a power reset on the EVB board, making sure to close the ota.exe program before opening HMX_FT4222H_GUI.exe.
223 223  
224 -Choose the largest number of serial port, for example, here shows 13 and 14, then choose 14.
253 +Open the software  [[HMX_FT4222H_GUI.exe>>https://www.dropbox.com/scl/fi/yktibns4o33oh0lqitqjl/HIMAX_AMR_PC_Tool.7z?rlkey=94d637ntx152idhw8vij39icv&st=4lsq8xf9&dl=0]]. Please ensure that the firmware upgrade software ota.exe is closed before opening HMX_FT4222H_GUI.exe.
225 225  
255 +For example, Select the corresponding serial port number, here 14.
256 +
226 226  (% class="box warningmessage" %)
227 227  (((
228 -(% class="mark" %)Note: before you start the software (%%)HMX_FT4222H_GUI.exe(% class="mark" %). you must pre-install the visualcppredist_aio_x6_x64_v42.exe configuration environment. Otherwise, an error pop-up window occurs when running software.
259 +(% class="mark" %)Note: before you start the software (%%)HMX_FT4222H_GUI.exe(% class="mark" %). you must pre-install the [[visualcppredist_aio_x6_x64_v42.exe>>https://www.dropbox.com/scl/fi/mzqx6ld5a4zkcecntqjjg/VisualCppRedist_AIO_x86_x64_v42.rar?rlkey=9fuzodmed1fg9ulquh22h0dtr&st=ph6ozi4d&dl=0]] configuration environment. Otherwise, an error pop-up window occurs when running software.
229 229  )))
230 230  
231 231  (% aria-label="1713519971789-213.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1713519971789-213.png||data-widget="image"]](% title="Click and drag to resize" %)​
... ... @@ -280,9 +280,12 @@
280 280  
281 281  After the calibration process is completed, it can be observed that the obtained reading aligns consistently with the numerical value displayed on the digital wheel dial.
282 282  
314 +[[image:1714358288601-933.png]]
283 283  
316 +
284 284  == 2.4 Digital wheel dial take point coordinate diagram ==
285 285  
319 +
286 286  4  numbers：
287 287  
288 288  (% aria-label="image-20240420094632-11.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20240420094632-11.png||data-widget="image" height="134" width="410"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
... ... @@ -301,4 +301,145 @@
301 301  
302 302  8 numbers：
303 303  
304 -(% aria-label="image-20240420094632-15.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20240420094632-15.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
338 +(% aria-label="image-20240420094632-15.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20240420094632-15.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
339 +
340 +(% title="Click and drag to resize" %)​
341 +
342 +== 2.5 Pressure Pointer Meter Calibration ==
343 +
344 +=== 2.5.1 Introduce ===
345 +
346 +
347 +The pressure pointer meter of the example is 1.6MPa range
348 +
349 +
350 +=== 2.5.2 Fix Sensor to a Power Meter​ ===
351 +
352 +
353 +You can utilize a couple of pea clips or other suitable fixtures to securely fasten the AIS sensor and ensure precise alignment of the camera with the pressure pointer meter.
354 +
355 +[[image:image-20240516163229-1.jpeg||height="595" width="446"]]
356 +
357 +
358 +=== 2.5.3 Calibration ===
359 +
360 +
361 +Open the software  [[HMX_FT4222H_GUI.exe>>https://www.dropbox.com/scl/fi/yktibns4o33oh0lqitqjl/HIMAX_AMR_PC_Tool.7z?rlkey=94d637ntx152idhw8vij39icv&st=4lsq8xf9&dl=0]]. Please ensure that the firmware upgrade software ota.exe is closed before opening HMX_FT4222H_GUI.exe.
362 +
363 +For example, Select the corresponding serial port number, here 14.
364 +
365 +(% class="box warningmessage" %)
366 +(((
367 +(% class="mark" %)Note: before you start the software (%%)HMX_FT4222H_GUI.exe(% class="mark" %). you must pre-install the [[visualcppredist_aio_x6_x64_v42.exe>>https://www.dropbox.com/scl/fi/mzqx6ld5a4zkcecntqjjg/VisualCppRedist_AIO_x86_x64_v42.rar?rlkey=9fuzodmed1fg9ulquh22h0dtr&st=ph6ozi4d&dl=0]] configuration environment. Otherwise, an error pop-up window occurs when running software.
368 +)))
369 +
370 +[[image:image-20240516163338-2.png||height="455" width="733"]]
371 +
372 +
373 +Next, select a Baud rate of 921600 and click on "start". Then, click on "show full image" to display the camera screen.
374 +
375 +[[image:image-20240516163423-3.png]]
376 +
377 +
378 +Click **"enable Raw"** and save the BMP image in the "Save" folder. This step is necessary to obtain the coordinate points of the watch face.
379 +
380 +[[image:image-20240516163501-4.png||height="482" width="694"]]
381 +
382 +[[image:image-20240516163528-5.png||height="336" width="696"]]
383 +
384 +
385 +The computer's drawing tool can be used to open the latest bmp image and get the coordinates of the pressure pointer meter, as shown below.
386 +
387 +The coordinates of the pressure pointer table are located as shown below.
388 +
389 +1 is the start point, 2 is the center point, and 3 is the end point.
390 +
391 +The (x,y) coordinate on the image is located at the bottom left corner.
392 +
393 +[[image:image-20240516163622-6.png||height="648" width="666"]]
394 +
395 +
396 +Click on the ROI settingbutton in himax_amr_pc_tool. it will have three optionsThe long dial" option is a long dial dial.The "short dial" option is a short pointer and a number of wheel dial.The digit wheeler option is the digital wheel dial.Now the calibration is the pressure pointer table, which is long dialon."
397 +
398 +[[image:image-20240516163910-7.png]]
399 +
400 +
401 +Fill in the values of the coordinates you just got, and it's best to get one and write one
402 +
403 +1 Coordinates of the starting point of the scale
404 +
405 +2 Coordinates of the center point of the dial
406 +
407 +3 Coordinates of the end of the scale
408 +
409 +4 Starting scale value
410 +
411 +5 End point scale value *100
412 +
413 +After filling in the data, click "send ROI" to save the Settings and click "Cancel" to exit.
414 +
415 +[[image:image-20240516164128-13.png||height="410" width="889"]]
416 +
417 +
418 +After the calibration process is completed, The AIS cannot move thereafter to avoid misreading.
419 +
420 +it can be observed that the obtained reading aligns consistently with the numerical value displayed on the digital wheel dial.
421 +
422 +[[image:image-20240516164153-14.png]]
423 +
424 +
425 += (% title="Click and drag to resize" %)3. Get Sensor Data.(%%) =
426 +
427 +== (% title="Click and drag to resize" %)3.1 Get Image and show in PC(%%) ==
428 +
429 +
430 +To get the AIS current image on the PC, you can  connect AIS to your PC with TTL to send commands through the serial port to obtain relevant data packets.
431 +
432 +
433 +=== (% style="color:inherit; font-family:inherit; font-size:23px" %)3.1.1 The image date are obtained by serial port(%%) ===
434 +
435 +
436 +Select the corresponding baud rate and serial port number through the serial port tool, select HEX display and HEX send, and continuously receive data from the AIS Sensor
437 +
438 +[[image:image-20240514161623-2.png||height="541" width="1439"]]
439 +
440 +In the serial port to send data C0 5A 00 00 00 00 04, and then send C0 5A 00 00 00 00 09, AIS Sensor will send a real-time image of the data packet, and then stop sending. Start with FFD8 and put it in TXT file
441 +
442 +[[image:image-20240514161658-3.png||height="544" width="1441"]]
443 +
444 +
445 +=== 3.1.2 Combined image ===
446 +
447 +
448 +Once all the data has been uploaded to the TTN platform, the subsequent step involves concatenating each packet in sequential order and saving it into a new TXT file. It is important to note that the first 8 bytes of each packet should be removed before concatenation.
449 +
450 +When you combine all the packets, you need to convert the data inside to binary. Here the conversion is demonstrated using the [[WinHex>>http://www.x-ways.net/winhex/index-m.html]] software.
451 +
452 +Open WinHex to open the combined image data file.
453 +
454 +[[image:1714467040612-103.png||height="134" width="649"]]
455 +
456 +
457 +Click on the **edit** option to choose and **convert**.
458 +
459 +[[image:1714467065723-178.png||height="349" width="762"]]
460 +
461 +
462 +Choose the **Hex ASCII->Binary** option and then click OK.
463 +
464 +[[image:1714467089355-837.png||height="366" width="336"]]
465 +
466 +
467 +After the conversion is finished, click on **"File"** and choose **"Save As"**.
468 +
469 +[[image:1714467112365-676.png]]
470 +
471 +
472 +Save as **a.jpg file** and click OK to generate a JPG file.
473 +
474 +[[image:1714467126476-110.png]]
475 +
476 +
477 +Open the saved JPG file to display the image transmitted by the AIS Sensor through the serial port.
478 +
479 +[[image:1714467134950-189.png]]
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