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Last modified by Karry Zhuang on 2025/07/03 11:59
From version 98.1
edited by Karry Zhuang
on 2024/04/28 18:02
Change comment: Uploaded new attachment "image-20240428180208-12.png", version {1}
To version 154.1
edited by Karry Zhuang
on 2024/05/14 16:17
Change comment: Uploaded new attachment "image-20240514161658-3.png", version {1}

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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. Additionally, there are AIS Sensors available along with TTL adapters for AIS Sensors.
30 +The assembly necessitates the use of two screws, two spacers, and this specific device.
31 31  
32 +Additionally, there are AIS Sensors available along with AUC USB TTL adapters for AIS Sensors.
33 +
32 32  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]].
33 33  
34 34  [[image:image-20240428163842-3.png||height="425" width="609"]] [[image:image-20240428155254-1.png||height="424" width="358"]]
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134 134  
135 135  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.
136 136  
137 -[[image:image-20240428180114-11.png||height="705" width="536"]]
139 +[[image:image-20240429091325-1.png||height="706" width="535"]]
138 138  
139 139  === 2.2.3 Calibration ===
140 140  
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212 212  
213 213  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 -[[image:image-20240428175925-10.jpeg||height="529" width="397"]]
217 +[[image:image-20240429092436-2.png||height="676" width="519"]]
216 216  
219 +
217 217  === 2.3.3 Calibration ===
218 218  
219 219  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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277 277  
278 278  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.
279 279  
283 +[[image:1714358288601-933.png]]
280 280  
281 281  == 2.4 Digital wheel dial take point coordinate diagram ==
282 282  
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303 303  
304 304  = (% title="Click and drag to resize" %)3. Get Sensor Data.(%%) =
305 305  
306 -== (% title="Click and drag to resize" %)3.1 Get Digital Reading After Calibration(%%) ==
307 307  
311 +== (% title="Click and drag to resize" %)3.1 Get Image and show in PC(%%) ==
308 308  
309 -== (% title="Click and drag to resize" %)3.2 Get Image and show in PC(%%) ==
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.
310 310  
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 += =
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