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Last modified by Karry Zhuang on 2025/07/03 11:59
From version 151.1
edited by Karry Zhuang
on 2024/05/10 08:45
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To version 111.2
edited by Karry Zhuang
on 2024/04/29 15:08
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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"]]
... ... @@ -309,40 +309,11 @@
309 309  
310 310  == (% title="Click and drag to resize" %)3.1 Get Digital Reading After Calibration(%%) ==
311 311  
312 -This section shows an example for how to join the [[TheThingsNetwork>>url:https://www.thethingsnetwork.org/]] LoRaWAN IoT server. Usages with other LoRaWAN IoT servers are of similar procedure.
313 313  
311 +=== 3.1.1 Uplink Payload (Fport~=5) ===
314 314  
315 -Assume the DLOS8 is already set to connect to [[TTN V3 network >>url:https://eu1.cloud.thethings.network/]]. We need to add the AIS Sensor device in TTN V3 portal. 
313 +The uplink payload includes totally 14 bytes. Uplink packets use FPORT=5 and (% style="color:#4472c4" %)**every 20 minutes**(%%) send one uplink by default.
316 316  
317 -**Step 1**:  Create a device in TTN V3 with the OTAA keys from AIS Sensor.
318 -
319 -Each AIS Sensor is shipped with a sticker with the default DEV EUI as below:
320 -
321 -[[image:image-20240430155056-2.png||height="207" width="450"]]
322 -
323 -Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
324 -
325 -Add APP EUI in the application.
326 -
327 -choose to create the device manually.
328 -
329 -Add APP KEY and DEV EUI
330 -
331 -[[image:image-20240430155117-3.png||height="544" width="563"]]
332 -
333 -[[image:image-20240430154736-1.png||height="414" width="658"]]
334 -
335 -
336 -**Default mode OTAA**
337 -
338 -[[image:image-20240430155302-4.png||height="630" width="453"]]
339 -
340 -**Step 2**:  Use ACT button to activate LHT52 and it will auto join to the TTN V3 network. After join success, it will start to upload sensor data to TTN V3 and user can see in the panel.
341 -
342 -=== 3.1.1 Uplink Payload (Fport~=2) ===
343 -
344 -The uplink payload includes totally 14 bytes. Uplink packets use FPORT=2 and (% style="color:#4472c4" %)**every 20 minutes**(%%) send one uplink by default.
345 -
346 346  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:370px" %)
347 347  |=(% style="width: 60px;background-color:#4F81BD;color:white" %)**Size(bytes)(% style="display:none" %) (%%)**|=(% style="width: 60px;background-color:#4F81BD;color:white" %)2|=(% style="width: 80px;background-color:#4F81BD;color:white" %)4|=(% style="width: 80px;background-color:#4F81BD;color:white" %)4|=(% style="width: 60px;background-color:#4F81BD;color:white" %)4
348 348  |(% style="width:99px" %)Value|(% style="width:62px" %)BAT|sysTimeCurrent|Integer|Decimal
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349 349  
350 350  [[image:1714374026505-898.png||height="200" width="736"]]
351 351  
352 -Payload Example（FPort=2）：(% style="background-color:yellow" %)**0D 32 66 29 AF E0 00 00 00 02 00 05 E3 B0**
321 +Payload Example（FPort=5）：(% style="background-color:yellow" %)**0D 32 66 29 AF E0 00 00 00 02 00 05 E3 B0**
353 353  
354 354  === 3.1.2 BAT- Battery information ===
355 355  
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379 379  
380 380  These four bytes display the integers in the digital wheel face
381 381  
382 -[[image:1714374445395-196.png]]
351 +[[image:file:///C:/Users/zzccc/AppData/Local/Temp/msohtmlclip1/01/clip_image002.jpg]][[image:1714374445395-196.png]]
383 383  
384 384  Read table integer：0x00000002=2
385 385  
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387 387  
388 388  These four bytes display decimals on the digital wheel.
389 389  
390 -[[image:1714374493101-914.png]]
359 +[[image:1714374493101-914.png]][[image:file:///C:/Users/zzccc/AppData/Local/Temp/msohtmlclip1/01/clip_image002.jpg]]
391 391  
392 392  Read table decimals：0x005E3B0/1000000= 0.385968
393 393  
394 394  
395 395  == (% title="Click and drag to resize" %)3.2 Get Image and show in PC(%%) ==
396 -
397 -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.
398 -
399 -=== (% id="cke_bm_3839S" style="display:none" %) (%%)3.2.1 The image date are obtained by serial port ===
400 -
401 -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
402 -
403 -[[image:1714985699187-406.png||height="277" width="536"]]
404 -
405 -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
406 -
407 -[[image:1714985711524-251.png||height="140" width="526"]]
408 -
409 -
410 -=== 3.2.2 Combined image ===
411 -
412 -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.
413 -
414 -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.
415 -
416 -Open WinHex to open the combined image data file.
417 -
418 -[[image:1714467040612-103.png||height="134" width="649"]]
419 -
420 -Click on the edit option to choose and convert.
421 -
422 -[[image:1714467065723-178.png||height="349" width="762"]]
423 -
424 -Choose the Hex ASCII->Binary option and then click OK.
425 -
426 -[[image:1714467089355-837.png||height="366" width="336"]]
427 -
428 -After the conversion is finished, click on "File" and choose "Save As".
429 -
430 -[[image:1714467112365-676.png]]
431 -
432 -Save as a.jpg file and click OK to generate a JPG file.
433 -
434 -[[image:1714467126476-110.png]]
435 -
436 -Open the saved JPG file to display the image transmitted by the AIS Sensor through the serial port.
437 -
438 -[[image:1714467134950-189.png]]
439 -
440 -=== ===
441 -
442 -
443 -= =
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