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Last modified by Karry Zhuang on 2025/07/03 11:59
From version 94.1
edited by Karry Zhuang
on 2024/04/28 17:58
Change comment: Uploaded new attachment "image-20240428175834-9.jpeg", version {1}
To version 151.2
edited by Karry Zhuang
on 2024/05/10 09:53
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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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130 130  
131 131  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.
132 132  
133 -=== 2.2.2 Fix Sensor to a Power Meter ===
135 +=== 2.2.2 Fix Sensor to a Power Meter(% title="Click and drag to resize" %)​(%%) ===
134 134  
135 -Do the following with EVB_Board
136 -Debug Board SW12=[off on] : FT4222H SPI Slave mode
137 -AIoT Board SW123456=[off off off off off off]
138 -
139 -(% 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" %)​
140 -
141 141  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.
142 142  
143 -[[image:image-20240422092350-2.png]](% title="Click and drag to resize" %)​
139 +[[image:image-20240429091325-1.png||height="706" width="535"]]
144 144  
145 -
146 146  === 2.2.3 Calibration ===
147 147  
148 148  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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217 217  
218 218  === 2.3.2 Fix Sensor to a Gas Meter ===
219 219  
220 -Do the following with EVB_Board
221 -Debug Board SW12=[off on] : FT4222H SPI Slave mode
222 -AIoT Board SW123456=[off off off off off off]
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.
223 223  
224 -(% 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" %)​
217 +[[image:image-20240429092436-2.png||height="676" width="519"]]
225 225  
226 -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.
227 227  
228 -(% title="Click and drag to resize" %)​[[image:image-20240422092731-2.png||height="693" width="518"]]
229 -
230 -
231 231  === 2.3.3 Calibration ===
232 232  
233 233  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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291 291  
292 292  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.
293 293  
283 +[[image:1714358288601-933.png]]
294 294  
295 295  == 2.4 Digital wheel dial take point coordinate diagram ==
296 296  
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317 317  
318 318  = (% title="Click and drag to resize" %)3. Get Sensor Data.(%%) =
319 319  
320 -== (% title="Click and drag to resize" %)3.1 Get Digital Reading After Calibration(%%) ==
321 321  
311 +== (% title="Click and drag to resize" %)3.1 Get Image and show in PC(%%) ==
322 322  
323 -== (% 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.
324 324  
325 -
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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