Last modified by Xiaoling on 2023/09/19 09:20
<
From version < 129.1 >
edited by Herong Lu
on 2022/07/23 17:33
To version < 162.3 >
edited by Xiaoling
on 2023/06/05 15:35
>
Change comment: There is no comment for this version

Summary

Details

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Title
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1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Module User Manual
Author
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1 -XWiki.Lu
1 +XWiki.Xiaoling
Content
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1 -0
1 +
2 2  
3 3  **Table of Contents:**
4 4  
... ... @@ -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
... ... @@ -62,8 +62,11 @@
62 62  * Firmware upgradable via UART interface
63 63  * Ultra-long RF range
64 64  
64 +
65 +
65 65  == 1.3  Specification ==
66 66  
68 +
67 67  * CPU: 32-bit 48 MHz
68 68  * Flash: 256KB
69 69  * RAM: 64KB
... ... @@ -82,550 +82,179 @@
82 82  * LoRa Rx current: <9 mA
83 83  * I/O Voltage: 3.3v
84 84  
85 -== 1.4  AT Command ==
86 86  
87 87  
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.
89 +== 1.4  AT Command ==
89 89  
90 90  
92 +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]].
91 91  
94 +
92 92  == 1.5  Dimension ==
93 93  
97 +
94 94  [[image:image-20220718094750-3.png]]
95 95  
96 96  
97 -
98 98  == 1.6  Pin Mapping ==
99 99  
100 100  [[image:image-20220720111850-1.png]]
101 101  
102 102  
103 -
104 104  == 1.7  Land Pattern ==
105 105  
108 +
106 106  [[image:image-20220517072821-2.png]]
107 107  
108 108  
112 += 2.  FAQ =
109 109  
110 -= 2.  LA66 LoRaWAN Shield =
114 +== 2.1  Where to find examples of how to use LA66? ==
111 111  
112 112  
113 -== 2.1  Overview ==
117 +(% class="wikigeneratedid" %)
118 +Below products are made by LA66. User can use their examples as reference:
114 114  
120 +* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
121 +* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
115 115  
116 -(((
117 -[[image:image-20220715000826-2.png||height="145" width="220"]]
118 -)))
119 119  
120 -(((
121 -
122 -)))
123 123  
124 -(((
125 -(% 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.
126 -)))
125 +== 2.2  How to Compile Source Code for LA66? ==
127 127  
128 -(((
129 -(((
130 -(% 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.
131 -)))
132 -)))
133 133  
134 -(((
135 -(((
136 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
137 -)))
138 -)))
128 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
139 139  
140 -(((
141 -(((
142 -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.
143 -)))
144 -)))
145 145  
146 -(((
147 -(((
148 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
149 -)))
150 -)))
131 +== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
151 151  
152 152  
134 +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.
153 153  
154 -== 2.2  Features ==
155 155  
156 -* Arduino Shield base on LA66 LoRaWAN module
157 -* Support LoRaWAN v1.0.4 protocol
158 -* Support peer-to-peer protocol
159 -* TCXO crystal to ensure RF performance on low temperature
160 -* SMA connector
161 -* Available in different frequency LoRaWAN frequency bands.
162 -* World-wide unique OTAA keys.
163 -* AT Command via UART-TTL interface
164 -* Firmware upgradable via UART interface
165 -* Ultra-long RF range
137 +== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
166 166  
167 -== 2.3  Specification ==
168 168  
169 -* CPU: 32-bit 48 MHz
170 -* Flash: 256KB
171 -* RAM: 64KB
172 -* Input Power Range: 1.8v ~~ 3.7v
173 -* Power Consumption: < 4uA.
174 -* Frequency Range: 150 MHz ~~ 960 MHz
175 -* Maximum Power +22 dBm constant RF output
176 -* High sensitivity: -148 dBm
177 -* Temperature:
178 -** Storage: -55 ~~ +125℃
179 -** Operating: -40 ~~ +85℃
180 -* Humidity:
181 -** Storage: 5 ~~ 95% (Non-Condensing)
182 -** Operating: 10 ~~ 95% (Non-Condensing)
183 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
184 -* LoRa Rx current: <9 mA
185 -* I/O Voltage: 3.3v
140 +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]]
186 186  
187 -== 2.4  LED ==
188 188  
189 -~1. The LED lights up red when there is an upstream data packet
190 -2. When the network is successfully connected, the green light will be on for 5 seconds
191 -3. Purple light on when receiving downlink data packets
143 +== 2.5 How can i use J-LInk to debug LA66? ==
192 192  
193 193  
194 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
146 +(% style="color:#037691" %)**The steps are as follows:**
195 195  
196 -Show connection diagram：
197 197  
198 -[[image:image-20220723170210-2.png||height="908" width="681"]]
149 +(% style="color:blue" %)**1. Install J-Link software from**
199 199  
200 -1.open Arduino IDE
151 +[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]]
201 201  
202 -[[image:image-20220723170545-4.png]]
203 203  
204 -2.Open project
154 +(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
205 205  
206 -[[image:image-20220723170750-5.png]]
207 207  
208 -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
157 +[[image:image-20230605151850-1.png]]
209 209  
210 -[[image:image-20220723171228-6.png]]
211 211  
212 -4.After the upload is successful, open the serial port monitoring and send the AT command
160 +[[image:image-20230605151850-2.png]]
213 213  
214 214  
215 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
163 +(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
216 216  
165 +**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
217 217  
167 +**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
218 218  
219 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
169 +**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)**
220 220  
171 +**LA66 GND  < ~-~- > JLINK GND (Pin 8)**
221 221  
173 +[[image:image-20230605151850-3.png||height="629" width="1182"]]
222 222  
223 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
175 +(% style="display:none" %) (%%)
224 224  
177 +(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\**
225 225  
226 -=== 2.8.1  Items needed for update ===
179 +(% style="display:none" %) [[image:image-20230605151850-4.png]]
227 227  
228 -1. LA66 LoRaWAN Shield
229 -1. Arduino
230 -1. USB TO TTL Adapter
231 231  
232 -[[image:image-20220602100052-2.png||height="385" width="600"]]
182 +**Add ASR6601 256KB Flash to Flash Download**
233 233  
184 +[[image:image-20230605152412-12.png]]
234 234  
235 -=== 2.8.2  Connection ===
236 236  
187 +[[image:image-20230605151851-6.png]]
237 237  
238 -[[image:image-20220602101311-3.png||height="276" width="600"]]
239 239  
190 +(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
240 240  
241 -(((
242 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
243 -)))
244 244  
245 -(((
246 -(% style="background-color:yellow" %)**GND  <-> GND
247 -TXD  <->  TXD
248 -RXD  <->  RXD**
249 -)))
193 +[[image:image-20230605151851-7.png]]
250 250  
195 +[[image:image-20230605151851-8.png]]
251 251  
252 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
253 253  
254 -Connect USB TTL Adapter to PC after connecting the wires
198 +(% 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.**
255 255  
256 256  
257 -[[image:image-20220602102240-4.png||height="304" width="600"]]
201 +(% style="color:blue" %)**6. Comment the low power function in main.c.**
258 258  
259 259  
260 -=== 2.8.3  Upgrade steps ===
204 +[[image:image-20230605151851-9.png]]
261 261  
262 262  
263 -==== 1.  Switch SW1 to put in ISP position ====
207 +(% style="color:blue" %)**Click Debug mode to debug.**
264 264  
209 +[[image:image-20230605151851-10.png||height="293" width="1275"]]
265 265  
266 -[[image:image-20220602102824-5.png||height="306" width="600"]]
267 267  
212 +[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %)
268 268  
214 +(% style="display:none" %) (%%)
269 269  
270 -==== 2.  Press the RST switch once ====
216 += 3.  Order Info =
271 271  
272 272  
273 -[[image:image-20220602104701-12.png||height="285" width="600"]]
219 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
274 274  
221 +(% style="color:blue" %)**XXX**(%%): The default frequency band
275 275  
223 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
224 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
225 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
226 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
227 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
228 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
229 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
230 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
231 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
276 276  
277 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
278 278  
279 279  
280 -(((
281 -(% 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/]]**
282 -)))
235 += 4.  FCC Statement =
283 283  
284 284  
285 -[[image:image-20220602103227-6.png]]
238 +(% style="color:red" %)**FCC Caution:**
286 286  
240 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
287 287  
288 -[[image:image-20220602103357-7.png]]
242 +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.
289 289  
290 290  
245 +(% style="color:red" %)**IMPORTANT NOTE: **
291 291  
292 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
293 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
247 +(% 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:
294 294  
249 +—Reorient or relocate the receiving antenna.
295 295  
296 -[[image:image-20220602103844-8.png]]
251 +—Increase the separation between the equipment and receiver.
297 297  
253 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
298 298  
255 +—Consult the dealer or an experienced radio/TV technician for help.
299 299  
300 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
301 -(% style="color:blue" %)**3. Select the bin file to burn**
302 302  
258 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
303 303  
304 -[[image:image-20220602104144-9.png]]
260 +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.
305 305  
306 -
307 -[[image:image-20220602104251-10.png]]
308 -
309 -
310 -[[image:image-20220602104402-11.png]]
311 -
312 -
313 -
314 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
315 -(% style="color:blue" %)**4. Click to start the download**
316 -
317 -[[image:image-20220602104923-13.png]]
318 -
319 -
320 -
321 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
322 -(% style="color:blue" %)**5. Check update process**
323 -
324 -
325 -[[image:image-20220602104948-14.png]]
326 -
327 -
328 -
329 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
330 -(% style="color:blue" %)**The following picture shows that the burning is successful**
331 -
332 -[[image:image-20220602105251-15.png]]
333 -
334 -
335 -
336 -= 3.  LA66 USB LoRaWAN Adapter =
337 -
338 -
339 -== 3.1  Overview ==
340 -
341 -
342 -[[image:image-20220715001142-3.png||height="145" width="220"]]
343 -
344 -
345 -(((
346 -(% 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.
347 -)))
348 -
349 -(((
350 -(% 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.
351 -)))
352 -
353 -(((
354 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
355 -)))
356 -
357 -(((
358 -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.
359 -)))
360 -
361 -(((
362 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
363 -)))
364 -
365 -
366 -
367 -== 3.2  Features ==
368 -
369 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
370 -* Ultra-long RF range
371 -* Support LoRaWAN v1.0.4 protocol
372 -* Support peer-to-peer protocol
373 -* TCXO crystal to ensure RF performance on low temperature
374 -* Spring RF antenna
375 -* Available in different frequency LoRaWAN frequency bands.
376 -* World-wide unique OTAA keys.
377 -* AT Command via UART-TTL interface
378 -* Firmware upgradable via UART interface
379 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
380 -
381 -== 3.3  Specification ==
382 -
383 -* CPU: 32-bit 48 MHz
384 -* Flash: 256KB
385 -* RAM: 64KB
386 -* Input Power Range: 5v
387 -* Frequency Range: 150 MHz ~~ 960 MHz
388 -* Maximum Power +22 dBm constant RF output
389 -* High sensitivity: -148 dBm
390 -* Temperature:
391 -** Storage: -55 ~~ +125℃
392 -** Operating: -40 ~~ +85℃
393 -* Humidity:
394 -** Storage: 5 ~~ 95% (Non-Condensing)
395 -** Operating: 10 ~~ 95% (Non-Condensing)
396 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
397 -* LoRa Rx current: <9 mA
398 -
399 -== 3.4  Pin Mapping & LED ==
400 -
401 -
402 -
403 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
404 -
405 -
406 -(((
407 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
408 -)))
409 -
410 -
411 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
412 -
413 -
414 -[[image:image-20220723100027-1.png]]
415 -
416 -
417 -Open the serial port tool
418 -
419 -[[image:image-20220602161617-8.png]]
420 -
421 -[[image:image-20220602161718-9.png||height="457" width="800"]]
422 -
423 -
424 -
425 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
426 -
427 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
428 -
429 -
430 -[[image:image-20220602161935-10.png||height="498" width="800"]]
431 -
432 -
433 -
434 -(% style="color:blue" %)**3. See Uplink Command**
435 -
436 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
437 -
438 -example: AT+SENDB=01,02,8,05820802581ea0a5
439 -
440 -[[image:image-20220602162157-11.png||height="497" width="800"]]
441 -
442 -
443 -
444 -(% style="color:blue" %)**4. Check to see if TTN received the message**
445 -
446 -[[image:image-20220602162331-12.png||height="420" width="800"]]
447 -
448 -
449 -
450 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
451 -
452 -
453 -**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]]
454 -
455 -(**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]])
456 -
457 -(% style="color:red" %)**Preconditions:**
458 -
459 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
460 -
461 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
462 -
463 -
464 -
465 -(% style="color:blue" %)**Steps for usage:**
466 -
467 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
468 -
469 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
470 -
471 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
472 -
473 -
474 -
475 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
476 -
477 -
478 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
479 -
480 -
481 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
482 -
483 -[[image:image-20220723100439-2.png]]
484 -
485 -
486 -
487 -(% style="color:blue" %)**2. Install Minicom in RPi.**
488 -
489 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
490 -
491 - (% style="background-color:yellow" %)**apt update**
492 -
493 - (% style="background-color:yellow" %)**apt install minicom**
494 -
495 -
496 -Use minicom to connect to the RPI's terminal
497 -
498 -[[image:image-20220602153146-3.png||height="439" width="500"]]
499 -
500 -
501 -
502 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
503 -
504 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
505 -
506 -
507 -[[image:image-20220602154928-5.png||height="436" width="500"]]
508 -
509 -
510 -
511 -(% style="color:blue" %)**4. Send Uplink message**
512 -
513 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
514 -
515 -example: AT+SENDB=01,02,8,05820802581ea0a5
516 -
517 -
518 -[[image:image-20220602160339-6.png||height="517" width="600"]]
519 -
520 -
521 -
522 -Check to see if TTN received the message
523 -
524 -[[image:image-20220602160627-7.png||height="369" width="800"]]
525 -
526 -
527 -
528 -== 3.8  Example: Use of LA66 USB LoRaWAN Module and DRAGINO-LA66-APP. ==
529 -
530 -=== 3.8.1 DRAGINO-LA66-APP ===
531 -
532 -[[image:image-20220723102027-3.png]]
533 -
534 -==== Overview： ====
535 -
536 -DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Module. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Module.
537 -
538 -View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
539 -
540 -==== Conditions of Use： ====
541 -
542 -Requires a type-c to USB adapter
543 -
544 -[[image:image-20220723104754-4.png]]
545 -
546 -==== Use of APP: ====
547 -
548 -Function and page introduction
549 -
550 -[[image:image-20220723113448-7.png||height="1481" width="670"]]
551 -
552 -1.Display LA66 USB LoRaWAN Module connection status
553 -
554 -2.Check and reconnect
555 -
556 -3.Turn send timestamps on or off
557 -
558 -4.Display LoRaWan connection status
559 -
560 -5.Check LoRaWan connection status
561 -
562 -6.The RSSI value of the node when the ACK is received
563 -
564 -7.Node's Signal Strength Icon
565 -
566 -8.Set the packet sending interval of the node in seconds
567 -
568 -9.AT command input box
569 -
570 -10.Send AT command button
571 -
572 -11.Node log box
573 -
574 -12.clear log button
575 -
576 -13.exit button
577 -
578 -LA66 USB LoRaWAN Module not connected
579 -
580 -[[image:image-20220723110520-5.png||height="903" width="677"]]
581 -
582 -Connect LA66 USB LoRaWAN Module
583 -
584 -[[image:image-20220723110626-6.png||height="906" width="680"]]
585 -
586 -=== 3.8.2 Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Module and integrate it into Node-RED ===
587 -
588 -1.Register LA66 USB LoRaWAN Module to TTNV3
589 -
590 -[[image:image-20220723134549-8.png]]
591 -
592 -2.Open Node-RED,And import the JSON file to generate the flow
593 -
594 -Sample JSON file please go to this link to download：放置JSON文件的链接
595 -
596 -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/]]
597 -
598 -The following is the positioning effect map
599 -
600 -[[image:image-20220723144339-1.png]]
601 -
602 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
603 -
604 -The LA66 USB LoRaWAN Module is the same as the LA66 LoRaWAN Shield update method
605 -
606 -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)
607 -
608 -[[image:image-20220723150132-2.png]]
609 -
610 -
611 -= 4.  Order Info =
612 -
613 -
614 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
615 -
616 -
617 -(% style="color:blue" %)**XXX**(%%): The default frequency band
618 -
619 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
620 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
621 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
622 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
623 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
624 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
625 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
626 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
627 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
628 -
629 -= 5.  Reference =
630 -
631 -* 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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