Last modified by Xiaoling on 2023/09/19 09:20
<
From version < 134.11 >
edited by Xiaoling
on 2022/07/26 10:48
To version < 162.2 >
edited by Xiaoling
on 2023/06/05 15:32
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Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Module User Manual
Content
... ... @@ -8,7 +8,6 @@
8 8  
9 9  = 1.  LA66 LoRaWAN Module =
10 10  
11 -
12 12  == 1.1  What is LA66 LoRaWAN Module ==
13 13  
14 14  
... ... @@ -49,10 +49,10 @@
49 49  )))
50 50  
51 51  
52 -
53 53  == 1.2  Features ==
54 54  
55 -* Support LoRaWAN v1.0.4 protocol
53 +
54 +* Support LoRaWAN v1.0.3 protocol
56 56  * Support peer-to-peer protocol
57 57  * TCXO crystal to ensure RF performance on low temperature
58 58  * SMD Antenna pad and i-pex antenna connector
... ... @@ -62,12 +62,9 @@
62 62  * Firmware upgradable via UART interface
63 63  * Ultra-long RF range
64 64  
65 -
66 -
67 -
68 -
69 69  == 1.3  Specification ==
70 70  
66 +
71 71  * CPU: 32-bit 48 MHz
72 72  * Flash: 256KB
73 73  * RAM: 64KB
... ... @@ -86,653 +86,172 @@
86 86  * LoRa Rx current: <9 mA
87 87  * I/O Voltage: 3.3v
88 88  
89 -
90 -
91 -
92 -
93 93  == 1.4  AT Command ==
94 94  
95 95  
96 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
88 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in[[ AT Command documents>>https://www.dropbox.com/sh/wtq43za8sykpgta/AABAEE02uEAsRU-JV7bzEhMba?dl=0]].
97 97  
98 98  
99 -
100 100  == 1.5  Dimension ==
101 101  
93 +
102 102  [[image:image-20220718094750-3.png]]
103 103  
104 104  
105 -
106 106  == 1.6  Pin Mapping ==
107 107  
108 108  [[image:image-20220720111850-1.png]]
109 109  
110 110  
111 -
112 112  == 1.7  Land Pattern ==
113 113  
104 +
114 114  [[image:image-20220517072821-2.png]]
115 115  
116 116  
108 += 2.  FAQ =
117 117  
118 -= 2.  LA66 LoRaWAN Shield =
110 +== 2.1  Where to find examples of how to use LA66? ==
119 119  
120 120  
121 -== 2.1  Overview ==
113 +(% class="wikigeneratedid" %)
114 +Below products are made by LA66. User can use their examples as reference:
122 122  
116 +* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
117 +* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
123 123  
124 -(((
125 -[[image:image-20220715000826-2.png||height="145" width="220"]]
126 -)))
119 +== 2.2  How to Compile Source Code for LA66? ==
127 127  
128 -(((
129 -
130 -)))
131 131  
132 -(((
133 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to  Arduino projects.
134 -)))
122 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
135 135  
136 -(((
137 -(((
138 -(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely.  This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
139 -)))
140 -)))
141 141  
142 -(((
143 -(((
144 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
145 -)))
146 -)))
125 +== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
147 147  
148 -(((
149 -(((
150 -Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
151 -)))
152 -)))
153 153  
154 -(((
155 -(((
156 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
157 -)))
158 -)))
128 +Yes, this is possible, user can refer[[ the source code from ASR >>https://github.com/asrlora/asr_lora_6601/tree/master/projects/ASR6601SE-EVAL/examples/lora]]to get examples for how to its I/O Interfaces.
159 159  
160 160  
131 +== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
161 161  
162 -== 2.2  Features ==
163 163  
164 -* Arduino Shield base on LA66 LoRaWAN module
165 -* Support LoRaWAN v1.0.4 protocol
166 -* Support peer-to-peer protocol
167 -* TCXO crystal to ensure RF performance on low temperature
168 -* SMA connector
169 -* Available in different frequency LoRaWAN frequency bands.
170 -* World-wide unique OTAA keys.
171 -* AT Command via UART-TTL interface
172 -* Firmware upgradable via UART interface
173 -* Ultra-long RF range
134 +Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.Instruction for LA66 Peer to Peer firmware.WebHome]]
174 174  
175 175  
137 +== 2.5 How can i use J-LInk to debug LA66? ==
176 176  
177 177  
140 +(% style="color:#037691" %)**The steps are as follows:**
178 178  
179 -== 2.3  Specification ==
180 180  
181 -* CPU: 32-bit 48 MHz
182 -* Flash: 256KB
183 -* RAM: 64KB
184 -* Input Power Range: 1.8v ~~ 3.7v
185 -* Power Consumption: < 4uA.
186 -* Frequency Range: 150 MHz ~~ 960 MHz
187 -* Maximum Power +22 dBm constant RF output
188 -* High sensitivity: -148 dBm
189 -* Temperature:
190 -** Storage: -55 ~~ +125℃
191 -** Operating: -40 ~~ +85℃
192 -* Humidity:
193 -** Storage: 5 ~~ 95% (Non-Condensing)
194 -** Operating: 10 ~~ 95% (Non-Condensing)
195 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
196 -* LoRa Rx current: <9 mA
197 -* I/O Voltage: 3.3v
143 +(% style="color:blue" %)**1. Install J-Link software from**
198 198  
145 +[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]]
199 199  
200 200  
148 +(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
201 201  
202 202  
203 -== 2.4  LED ==
151 +[[image:image-20230605151850-1.png]]
204 204  
205 205  
206 -~1. The LED lights up red when there is an upstream data packet
207 -2. When the network is successfully connected, the green light will be on for 5 seconds
208 -3. Purple light on when receiving downlink data packets
154 +[[image:image-20230605151850-2.png]]
209 209  
210 210  
157 +(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
211 211  
212 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
159 +**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
213 213  
161 +**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
214 214  
215 -**Show connection diagram：**
163 +**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)**
216 216  
165 +**LA66 GND  < ~-~- > JLINK GND (Pin 8)**
217 217  
218 -[[image:image-20220723170210-2.png||height="908" width="681"]]
167 +[[image:image-20230605151850-3.png||height="629" width="1182"]]
219 219  
169 +(% style="display:none" %) (%%)
220 220  
171 +(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\**
221 221  
222 -(% style="color:blue" %)**1.  open Arduino IDE**
173 +(% style="display:none" %) [[image:image-20230605151850-4.png]]
223 223  
224 224  
225 -[[image:image-20220723170545-4.png]]
176 +(% style="color:blue" %)**Add ASR6601 256KB Flash to Flash Download**
226 226  
178 +[[image:image-20230605152412-12.png]]
227 227  
228 228  
229 -(% style="color:blue" %)**2.  Open project**
181 +[[image:image-20230605151851-6.png]]
230 230  
231 231  
232 -LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0>>https://www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0]]
184 +(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
233 233  
186 +[[image:image-20230605151851-7.png]]
234 234  
188 +[[image:image-20230605151851-8.png]]
235 235  
236 -(% style="color:blue" %)**3.  Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload**
237 237  
191 +(% style="color:red" %)Note**: After debug, user should change the Flash address back to 0x0800D000, and upload the OTA bootloader to LA66. Otherwise, the compiled program doesn’t support OTA update.**
238 238  
239 239  
240 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
194 +(% style="color:blue" %)**6. Comment the low power function in main.c.**
241 241  
242 242  
243 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
197 +[[image:image-20230605151851-9.png]]
244 244  
245 245  
200 +(% style="color:blue" %)**Click Debug mode to debug.**
246 246  
247 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
202 +[[image:image-20230605151851-10.png||height="293" width="1275"]]
248 248  
249 249  
250 -(% style="color:blue" %)**1.  Open project**
205 +[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %)
251 251  
207 +(% style="display:none" %) (%%)
252 252  
253 -Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0>>https://www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0]]
209 += 3.  Order Info =
254 254  
255 255  
256 -[[image:image-20220723172502-8.png]]
212 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
257 257  
214 +(% style="color:blue" %)**XXX**(%%): The default frequency band
258 258  
216 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
217 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
218 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
219 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
220 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
221 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
222 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
223 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
224 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
259 259  
260 -(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
226 += 4.  FCC Statement =
261 261  
262 262  
263 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
229 +(% style="color:red" %)**FCC Caution:**
264 264  
231 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
265 265  
233 +This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
266 266  
267 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
268 268  
236 +(% style="color:red" %)**IMPORTANT NOTE: **
269 269  
270 -(% style="color:blue" %)**1.  Open project**
238 +(% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
271 271  
240 +—Reorient or relocate the receiving antenna.
272 272  
273 -Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0>>https://www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0]]
242 +—Increase the separation between the equipment and receiver.
274 274  
244 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
275 275  
276 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
246 +—Consult the dealer or an experienced radio/TV technician for help.
277 277  
278 278  
249 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
279 279  
280 -(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
251 +This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
281 281  
282 -
283 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
284 -
285 -
286 -
287 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
288 -
289 -For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
290 -
291 -[[image:image-20220723175700-12.png||height="602" width="995"]]
292 -
293 -
294 -
295 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
296 -
297 -
298 -=== 2.8.1  Items needed for update ===
299 -
300 -
301 -1. LA66 LoRaWAN Shield
302 -1. Arduino
303 -1. USB TO TTL Adapter
304 -
305 -[[image:image-20220602100052-2.png||height="385" width="600"]]
306 -
307 -
308 -=== 2.8.2  Connection ===
309 -
310 -
311 -[[image:image-20220602101311-3.png||height="276" width="600"]]
312 -
313 -
314 -(((
315 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
316 -)))
317 -
318 -(((
319 -(% style="background-color:yellow" %)**GND  <-> GND
320 -TXD  <->  TXD
321 -RXD  <->  RXD**
322 -)))
323 -
324 -
325 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
326 -
327 -Connect USB TTL Adapter to PC after connecting the wires
328 -
329 -
330 -[[image:image-20220602102240-4.png||height="304" width="600"]]
331 -
332 -
333 -=== 2.8.3  Upgrade steps ===
334 -
335 -
336 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
337 -
338 -
339 -[[image:image-20220602102824-5.png||height="306" width="600"]]
340 -
341 -
342 -
343 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
344 -
345 -
346 -[[image:image-20220602104701-12.png||height="285" width="600"]]
347 -
348 -
349 -
350 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
351 -
352 -
353 -(((
354 -(% style="color:blue" %)**1. Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]**
355 -)))
356 -
357 -
358 -[[image:image-20220602103227-6.png]]
359 -
360 -
361 -[[image:image-20220602103357-7.png]]
362 -
363 -
364 -
365 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
366 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
367 -
368 -
369 -[[image:image-20220602103844-8.png]]
370 -
371 -
372 -
373 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
374 -(% style="color:blue" %)**3. Select the bin file to burn**
375 -
376 -
377 -[[image:image-20220602104144-9.png]]
378 -
379 -
380 -[[image:image-20220602104251-10.png]]
381 -
382 -
383 -[[image:image-20220602104402-11.png]]
384 -
385 -
386 -
387 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
388 -(% style="color:blue" %)**4. Click to start the download**
389 -
390 -[[image:image-20220602104923-13.png]]
391 -
392 -
393 -
394 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
395 -(% style="color:blue" %)**5. Check update process**
396 -
397 -
398 -[[image:image-20220602104948-14.png]]
399 -
400 -
401 -
402 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
403 -(% style="color:blue" %)**The following picture shows that the burning is successful**
404 -
405 -[[image:image-20220602105251-15.png]]
406 -
407 -
408 -
409 -= 3.  LA66 USB LoRaWAN Adapter =
410 -
411 -
412 -== 3.1  Overview ==
413 -
414 -
415 -[[image:image-20220715001142-3.png||height="145" width="220"]]
416 -
417 -
418 -(((
419 -(% style="color:blue" %)**LA66 USB LoRaWAN Adapter**(%%) is designed to fast turn USB devices to support LoRaWAN wireless features. It combines a CP2101 USB TTL Chip and LA66 LoRaWAN module which can easy to add LoRaWAN wireless feature to PC / Mobile phone or an embedded device that has USB Interface.
420 -)))
421 -
422 -(((
423 -(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
424 -)))
425 -
426 -(((
427 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
428 -)))
429 -
430 -(((
431 -Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
432 -)))
433 -
434 -(((
435 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
436 -)))
437 -
438 -
439 -
440 -== 3.2  Features ==
441 -
442 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
443 -* Ultra-long RF range
444 -* Support LoRaWAN v1.0.4 protocol
445 -* Support peer-to-peer protocol
446 -* TCXO crystal to ensure RF performance on low temperature
447 -* Spring RF antenna
448 -* Available in different frequency LoRaWAN frequency bands.
449 -* World-wide unique OTAA keys.
450 -* AT Command via UART-TTL interface
451 -* Firmware upgradable via UART interface
452 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
453 -
454 -
455 -
456 -== 3.3  Specification ==
457 -
458 -* CPU: 32-bit 48 MHz
459 -* Flash: 256KB
460 -* RAM: 64KB
461 -* Input Power Range: 5v
462 -* Frequency Range: 150 MHz ~~ 960 MHz
463 -* Maximum Power +22 dBm constant RF output
464 -* High sensitivity: -148 dBm
465 -* Temperature:
466 -** Storage: -55 ~~ +125℃
467 -** Operating: -40 ~~ +85℃
468 -* Humidity:
469 -** Storage: 5 ~~ 95% (Non-Condensing)
470 -** Operating: 10 ~~ 95% (Non-Condensing)
471 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
472 -* LoRa Rx current: <9 mA
473 -
474 -
475 -
476 -== 3.4  Pin Mapping & LED ==
477 -
478 -
479 -
480 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
481 -
482 -
483 -(((
484 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
485 -)))
486 -
487 -
488 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
489 -
490 -
491 -[[image:image-20220723100027-1.png]]
492 -
493 -
494 -Open the serial port tool
495 -
496 -[[image:image-20220602161617-8.png]]
497 -
498 -[[image:image-20220602161718-9.png||height="457" width="800"]]
499 -
500 -
501 -
502 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
503 -
504 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
505 -
506 -
507 -[[image:image-20220602161935-10.png||height="498" width="800"]]
508 -
509 -
510 -
511 -(% style="color:blue" %)**3. See Uplink Command**
512 -
513 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
514 -
515 -example: AT+SENDB=01,02,8,05820802581ea0a5
516 -
517 -[[image:image-20220602162157-11.png||height="497" width="800"]]
518 -
519 -
520 -
521 -(% style="color:blue" %)**4. Check to see if TTN received the message**
522 -
523 -[[image:image-20220602162331-12.png||height="420" width="800"]]
524 -
525 -
526 -
527 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
528 -
529 -
530 -**Use python as an example：**[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py]]
531 -
532 -(**Raspberry Pi example: **[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py]])
533 -
534 -(% style="color:red" %)**Preconditions:**
535 -
536 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
537 -
538 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
539 -
540 -
541 -
542 -(% style="color:blue" %)**Steps for usage:**
543 -
544 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
545 -
546 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
547 -
548 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
549 -
550 -
551 -
552 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
553 -
554 -
555 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
556 -
557 -
558 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
559 -
560 -[[image:image-20220723100439-2.png]]
561 -
562 -
563 -
564 -(% style="color:blue" %)**2. Install Minicom in RPi.**
565 -
566 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
567 -
568 - (% style="background-color:yellow" %)**apt update**
569 -
570 - (% style="background-color:yellow" %)**apt install minicom**
571 -
572 -
573 -Use minicom to connect to the RPI's terminal
574 -
575 -[[image:image-20220602153146-3.png||height="439" width="500"]]
576 -
577 -
578 -
579 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
580 -
581 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
582 -
583 -
584 -[[image:image-20220602154928-5.png||height="436" width="500"]]
585 -
586 -
587 -
588 -(% style="color:blue" %)**4. Send Uplink message**
589 -
590 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
591 -
592 -example: AT+SENDB=01,02,8,05820802581ea0a5
593 -
594 -
595 -[[image:image-20220602160339-6.png||height="517" width="600"]]
596 -
597 -
598 -
599 -Check to see if TTN received the message
600 -
601 -[[image:image-20220602160627-7.png||height="369" width="800"]]
602 -
603 -
604 -
605 -== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
606 -
607 -
608 -=== 3.8.1  DRAGINO-LA66-APP ===
609 -
610 -
611 -[[image:image-20220723102027-3.png]]
612 -
613 -
614 -
615 -==== (% style="color:blue" %)**Overview：**(%%) ====
616 -
617 -
618 -(((
619 -DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Adapter and APP sample process. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Adapter.
620 -)))
621 -
622 -(((
623 -View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
624 -)))
625 -
626 -
627 -
628 -==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
629 -
630 -
631 -Requires a type-c to USB adapter
632 -
633 -[[image:image-20220723104754-4.png]]
634 -
635 -
636 -
637 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
638 -
639 -
640 -Function and page introduction
641 -
642 -[[image:image-20220723113448-7.png||height="1481" width="670"]]
643 -
644 -
645 -1.Display LA66 USB LoRaWAN Module connection status
646 -
647 -2.Check and reconnect
648 -
649 -3.Turn send timestamps on or off
650 -
651 -4.Display LoRaWan connection status
652 -
653 -5.Check LoRaWan connection status
654 -
655 -6.The RSSI value of the node when the ACK is received
656 -
657 -7.Node's Signal Strength Icon
658 -
659 -8.Set the packet sending interval of the node in seconds
660 -
661 -9.AT command input box
662 -
663 -10.Send AT command button
664 -
665 -11.Node log box
666 -
667 -12.clear log button
668 -
669 -13.exit button
670 -
671 -
672 -LA66 USB LoRaWAN Module not connected
673 -
674 -[[image:image-20220723110520-5.png||height="903" width="677"]]
675 -
676 -
677 -
678 -Connect LA66 USB LoRaWAN Module
679 -
680 -[[image:image-20220723110626-6.png||height="906" width="680"]]
681 -
682 -
683 -
684 -=== 3.8.2  Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Adapter and integrate it into Node-RED ===
685 -
686 -
687 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
688 -
689 -[[image:image-20220723134549-8.png]]
690 -
691 -
692 -
693 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
694 -
695 -Sample JSON file please go to this link to download：放置JSON文件的链接
696 -
697 -For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
698 -
699 -The following is the positioning effect map
700 -
701 -[[image:image-20220723144339-1.png]]
702 -
703 -
704 -
705 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
706 -
707 -
708 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
709 -
710 -Just use the yellow jumper cap to short the BOOT corner and the RX corner, and then press the RESET button (without the jumper cap, you can directly short the BOOT corner and the RX corner with a wire to achieve the same effect)
711 -
712 -[[image:image-20220723150132-2.png]]
713 -
714 -
715 -
716 -= 4.  Order Info =
717 -
718 -
719 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
720 -
721 -
722 -(% style="color:blue" %)**XXX**(%%): The default frequency band
723 -
724 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
725 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
726 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
727 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
728 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
729 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
730 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
731 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
732 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
733 -
734 -
735 -= 5.  Reference =
736 -
737 -
738 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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