Last modified by Karry Zhuang on 2025/07/03 11:59

From version 164.1
edited by Karry Zhuang
on 2024/05/16 16:36
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To version 179.4
edited by Xiaoling
on 2024/05/17 09:10
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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 21  
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]].
23 +
24 +Firmware upgrade Reference:[[Update Firmware for the AI Sensors>>http://wiki.dragino.com/xwiki/bin/view/Main/Update%20Firmware%20for%20AI%20Sensor/]].
25 +
26 +
22 22  == 2.1 Calibrate a Water Meter ==
23 23  
24 24  === 2.1.1 Introduce ===
25 25  
31 +
26 26  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.
27 27  
34 +
28 28  === 2.1.2 Fix Sensor to a Water Meter ===
29 29  
37 +
30 30  The assembly necessitates the use of two screws, two spacers, and this specific device.
31 31  
32 32  Additionally, there are AIS Sensors available along with AUC USB TTL adapters for AIS Sensors.
... ... @@ -41,26 +41,28 @@
41 41  
42 42  [[image:image-20240428165320-4.gif]]
43 43  
52 +
44 44  2. Proceed by fastening the device using the previously prepared screws and gaskets.
45 45  
46 46  [[image:image-20240428165354-5.gif]]
47 47  
57 +
48 48  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.
49 49  
50 50  [[image:image-20240428165412-6.gif]].
51 51  
62 +
52 52  The AI Sensors and AUC USB TTL Adapter for AIS Sensors are connected and then connected to the PC.
53 53  
54 54  [[image:image-20240428165634-7.gif]][[image:image-20240428165645-8.jpeg||height="332" width="443"]]
55 55  
56 56  
57 -
58 -
59 59  === 2.1.3 Calibration ===
60 60  
70 +
61 61  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.
62 62  
63 -Choose the largest number of serial port, for example, Select the corresponding serial port number, here 14.
73 +For example, Select the corresponding serial port number, here 14.
64 64  
65 65  (% class="box warningmessage" %)
66 66  (((
... ... @@ -67,14 +67,18 @@
67 67  (% 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.
68 68  )))
69 69  
70 -(% 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"]]
71 71  
72 -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" %)​
73 73  
74 -(% 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.
75 75  
76 -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"]]
77 77  
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 +
78 78  (% 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" %)​
79 79  
80 80  (% 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" %)​
... ... @@ -87,8 +87,10 @@
87 87  
88 88  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.
89 89  
90 -(% 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"]]
91 91  
106 +(% title="Click and drag to resize" %)​
107 +
92 92  Click the "ROI setting" button in "HIMAX_AMR_PC_Tool" and three options will pop up
93 93  
94 94  The "Long dial" option is the long hand dial.
... ... @@ -130,19 +130,26 @@
130 130  
131 131  === 2.2.1 Introduce ===
132 132  
149 +
133 133  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.
134 134  
135 -=== 2.2.2 Fix Sensor to a Power Meter(% title="Click and drag to resize" %)​(%%) ===
136 136  
153 +=== 2.2.2 Fix Sensor to a Power Meter ===
154 +
155 +(% class="wikigeneratedid" %)
156 +(% title="Click and drag to resize" %)​
157 +
137 137  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.
138 138  
139 139  [[image:image-20240429091325-1.png||height="706" width="535"]]
140 140  
162 +
141 141  === 2.2.3 Calibration ===
142 142  
165 +
143 143  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.
144 144  
145 -Choose the largest number of serial port, for example, Select the corresponding serial port number, here 14.
168 +For example, Select the corresponding serial port number, here 14.
146 146  
147 147  (% class="box warningmessage" %)
148 148  (((
... ... @@ -149,14 +149,17 @@
149 149  (% 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.
150 150  )))
151 151  
152 -(% 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"]]
153 153  
154 -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" %)​
155 155  
179 +Next, select a Baud rate of **921600** and click on **"start"**. Then, click on **"show full image"** to display the camera screen.
180 +
156 156  (% 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"]]
157 157  
158 -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.
159 159  
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 +
160 160  [[image:1713592384928-500.png||height="494" width="266"]][[image:image-20240420141955-4.png||height="492" width="782"]]
161 161  
162 162  This power meter has only six fields, and the coordinates of the digital roulette wheel are shown in the figure.
... ... @@ -169,6 +169,7 @@
169 169  
170 170  [[image:image-20240420153316-11.png||height="569" width="755"]]
171 171  
198 +
172 172  (% id="cke_bm_67462S" style="display:none" %) (%%)Click the "ROI setting" button in "HIMAX_AMR_PC_Tool" and three options will pop up
173 173  
174 174  The "Long dial" option is the long hand dial.
... ... @@ -208,10 +208,13 @@
208 208  
209 209  === 2.3.1 Introduce ===
210 210  
238 +
211 211  This gas meter uses G2.5 membrane gas meter. It features eight dial numbers for measurement accuracy.
212 212  
241 +
213 213  === 2.3.2 Fix Sensor to a Gas Meter ===
214 214  
244 +
215 215  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.
216 216  
217 217  [[image:image-20240429092436-2.png||height="676" width="519"]]
... ... @@ -219,9 +219,10 @@
219 219  
220 220  === 2.3.3 Calibration ===
221 221  
252 +
222 222  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.
223 223  
224 -Choose the largest number of serial port, for example, Select the corresponding serial port number, here 14.
255 +For example, Select the corresponding serial port number, here 14.
225 225  
226 226  (% class="box warningmessage" %)
227 227  (((
... ... @@ -282,8 +282,10 @@
282 282  
283 283  [[image:1714358288601-933.png]]
284 284  
316 +
285 285  == 2.4 Digital wheel dial take point coordinate diagram ==
286 286  
319 +
287 287  4  numbers:
288 288  
289 289  (% 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" %)​
... ... @@ -302,18 +302,104 @@
302 302  
303 303  8 numbers:
304 304  
305 -(% 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"]]
306 306  
340 +(% title="Click and drag to resize" %)​
307 307  
308 -= (% title="Click and drag to resize" %)3. Get Sensor Data.(%%) =
342 +== 2.5 Pressure Pointer Meter Calibration ==
309 309  
344 +=== 2.5.1 Introduce ===
310 310  
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 +
311 311  == (% title="Click and drag to resize" %)3.1 Get Image and show in PC(%%) ==
312 312  
429 +
313 313  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.
314 314  
315 -=== (% id="cke_bm_3839S" style="display:none" %) (%%)3.1.1 The image date are obtained by serial port ===
316 316  
433 +=== (% style="color:inherit; font-family:inherit; font-size:23px" %)3.1.1 The image date are obtained by serial port(%%) ===
434 +
435 +
317 317  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
318 318  
319 319  [[image:image-20240514161623-2.png||height="541" width="1439"]]
... ... @@ -325,6 +325,7 @@
325 325  
326 326  === 3.1.2 Combined image ===
327 327  
447 +
328 328  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.
329 329  
330 330  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.
... ... @@ -333,27 +333,27 @@
333 333  
334 334  [[image:1714467040612-103.png||height="134" width="649"]]
335 335  
336 -Click on the edit option to choose and convert.
337 337  
457 +Click on the **edit** option to choose and **convert**.
458 +
338 338  [[image:1714467065723-178.png||height="349" width="762"]]
339 339  
340 -Choose the Hex ASCII->Binary option and then click OK.
341 341  
462 +Choose the **Hex ASCII->Binary** option and then click OK.
463 +
342 342  [[image:1714467089355-837.png||height="366" width="336"]]
343 343  
344 -After the conversion is finished, click on "File" and choose "Save As".
345 345  
467 +After the conversion is finished, click on **"File"** and choose **"Save As"**.
468 +
346 346  [[image:1714467112365-676.png]]
347 347  
348 -Save as a.jpg file and click OK to generate a JPG file.
349 349  
472 +Save as **a.jpg file** and click OK to generate a JPG file.
473 +
350 350  [[image:1714467126476-110.png]]
351 351  
476 +
352 352  Open the saved JPG file to display the image transmitted by the AIS Sensor through the serial port.
353 353  
354 354  [[image:1714467134950-189.png]]
355 -
356 -=== ===
357 -
358 -
359 -= =
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