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Last modified by Karry Zhuang on 2025/07/03 11:59
From version 152.1
edited by Karry Zhuang
on 2024/05/14 16:16
Change comment: Uploaded new attachment "image-20240514161559-1.jpeg", version {1}
To version 97.1
edited by Karry Zhuang
on 2024/04/28 18:01
Change comment: Uploaded new attachment "image-20240428180114-11.png", version {1}

Summary

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27 27  
28 28  === 2.1.2 Fix Sensor to a Water Meter ===
29 29  
30 -The assembly necessitates the use of two screws, two spacers, and this specific device.
30 +The assembly necessitates the use of two screws, two spacers, and this specific device. Additionally, there are AIS Sensors available along with TTL adapters for AIS Sensors.
31 31  
32 -Additionally, there are AIS Sensors available along with AUC USB TTL adapters for AIS Sensors.
33 -
34 34  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]].
35 35  
36 36  [[image:image-20240428163842-3.png||height="425" width="609"]] [[image:image-20240428155254-1.png||height="424" width="358"]]
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136 136  
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 -[[image:image-20240429091325-1.png||height="706" width="535"]]
137 +[[image:image-20240428175834-9.jpeg||height="745" width="559"]]
140 140  
141 141  === 2.2.3 Calibration ===
142 142  
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214 214  
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 -[[image:image-20240429092436-2.png||height="676" width="519"]]
215 +[[image:image-20240428175925-10.jpeg||height="529" width="397"]]
218 218  
219 -
220 220  === 2.3.3 Calibration ===
221 221  
222 222  Perform a power reset on the EVB board, making sure to close the ota.exe program before opening HMX_FT4222H_GUI.exe.
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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  
283 -[[image:1714358288601-933.png]]
284 284  
285 285  == 2.4 Digital wheel dial take point coordinate diagram ==
286 286  
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307 307  
308 308  = (% title="Click and drag to resize" %)3. Get Sensor Data.(%%) =
309 309  
306 +== (% title="Click and drag to resize" %)3.1 Get Digital Reading After Calibration(%%) ==
310 310  
311 -== (% title="Click and drag to resize" %)3.1 Get Image and show in PC(%%) ==
312 312  
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.
309 +== (% title="Click and drag to resize" %)3.2 Get Image and show in PC(%%) ==
314 314  
315 -=== (% id="cke_bm_3839S" style="display:none" %) (%%)3.1.1 The image date are obtained by serial port ===
316 -
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 -
319 -[[image:1714985699187-406.png||height="277" width="536"]]
320 -
321 -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
322 -
323 -[[image:1714985711524-251.png||height="140" width="526"]]
324 -
325 -
326 -=== 3.1.2 Combined image ===
327 -
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 -
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.
331 -
332 -Open WinHex to open the combined image data file.
333 -
334 -[[image:1714467040612-103.png||height="134" width="649"]]
335 -
336 -Click on the edit option to choose and convert.
337 -
338 -[[image:1714467065723-178.png||height="349" width="762"]]
339 -
340 -Choose the Hex ASCII->Binary option and then click OK.
341 -
342 -[[image:1714467089355-837.png||height="366" width="336"]]
343 -
344 -After the conversion is finished, click on "File" and choose "Save As".
345 -
346 -[[image:1714467112365-676.png]]
347 -
348 -Save as a.jpg file and click OK to generate a JPG file.
349 -
350 -[[image:1714467126476-110.png]]
351 -
352 -Open the saved JPG file to display the image transmitted by the AIS Sensor through the serial port.
353 -
354 -[[image:1714467134950-189.png]]
355 -
356 -=== ===
357 -
358 -
359 -= =
311 +
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