Changes for page AI Image Sensor Calibration
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
on 2024/05/10 08:45
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To version 152.1
edited by Karry Zhuang
on 2024/05/14 16:16
on 2024/05/14 16:16
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Uploaded new attachment "image-20240514161559-1.jpeg", version {1}
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... ... @@ -307,96 +307,12 @@ 307 307 308 308 = (% title="Click and drag to resize" %)3. Get Sensor Data.(%%) = 309 309 310 -== (% title="Click and drag to resize" %)3.1 Get Digital Reading After Calibration(%%) == 311 311 312 - Thissectionshowsanexamplefor howtojoin the [[TheThingsNetwork>>url:https://www.thethingsnetwork.org/]] LoRaWANIoT server.Usages withother LoRaWANIoT serversareofsimilarprocedure.311 +== (% title="Click and drag to resize" %)3.1 Get Image and show in PC(%%) == 313 313 314 - 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. 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 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:370px" %) 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 -|(% style="width:99px" %)Value|(% style="width:62px" %)BAT|sysTimeCurrent|Integer|Decimal 349 - 350 -[[image:1714374026505-898.png||height="200" width="736"]] 351 - 352 -Payload Example(FPort=2):(% style="background-color:yellow" %)**0D 32 66 29 AF E0 00 00 00 02 00 05 E3 B0** 353 - 354 -=== 3.1.2 BAT- Battery information === 355 - 356 -These two bytes of BAT include the battery state and the actual voltage. 357 - 358 -**Ex**:0x0B32 = 3378mV 359 - 360 -=== 3.1.3 sysTimeCurrent === 361 - 362 -These four bytes contain the year, month, day, hour, minute, and second of the time. 363 - 364 -AI Sensor use Unix TimeStamp format based on 365 - 366 -[[image:1714374373681-339.png||height="81" width="527"]] 367 - 368 -Users can get this time from the link: [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] : 369 - 370 -Below is the converter example 371 - 372 -**Ex**:6629AFE0=2024-04-25 01:20:32 373 - 374 -[[image:1714374389825-148.png||height="313" width="428"]][[image:1714374398047-940.png||height="214" width="508"]] 375 - 376 -So, we can use AT+TIMESTAMP=1714012723 or downlink 6629C233 to set the current time 2024 – April ~-~- 25 Thursday 02:38:41 377 - 378 -=== 3.1.4 Integer === 379 - 380 -These four bytes display the integers in the digital wheel face 381 - 382 -[[image:1714374445395-196.png]] 383 - 384 -Read table integer:0x00000002=2 385 - 386 -=== 3.1.5 Decimal === 387 - 388 -These four bytes display decimals on the digital wheel. 389 - 390 -[[image:1714374493101-914.png]] 391 - 392 -Read table decimals:0x005E3B0/1000000= 0.385968 393 - 394 - 395 -== (% title="Click and drag to resize" %)3.2 Get Image and show in PC(%%) == 396 - 397 397 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. 398 398 399 -=== (% id="cke_bm_3839S" style="display:none" %) (%%)3. 2.1 The image date are obtained by serial port ===315 +=== (% id="cke_bm_3839S" style="display:none" %) (%%)3.1.1 The image date are obtained by serial port === 400 400 401 401 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 402 402 ... ... @@ -407,7 +407,7 @@ 407 407 [[image:1714985711524-251.png||height="140" width="526"]] 408 408 409 409 410 -=== 3. 2.2 Combined image ===326 +=== 3.1.2 Combined image === 411 411 412 412 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. 413 413
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