Last modified by Xiaoling on 2023/09/19 09:20
<
From version < 133.1 >
edited by Herong Lu
on 2022/07/23 17:57
To version < 162.5 >
edited by Xiaoling
on 2023/09/18 16:35
>
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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
... ... @@ -1,4 +1,4 @@
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 +62,10 @@
62 62  * Firmware upgradable via UART interface
63 63  * Ultra-long RF range
64 64  
64 +
65 65  == 1.3  Specification ==
66 66  
67 +
67 67  * CPU: 32-bit 48 MHz
68 68  * Flash: 256KB
69 69  * RAM: 64KB
... ... @@ -82,570 +82,177 @@
82 82  * LoRa Rx current: <9 mA
83 83  * I/O Voltage: 3.3v
84 84  
86 +
85 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.
90 +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/scl/fi/s3i58dyuh2zpwxfzcks9d/Accuhealth-LA66-AT-commands.pdf?rlkey=059co9isdbddl1h1lb5gy93oy&dl=0]].
89 89  
90 -
91 -
92 92  == 1.5  Dimension ==
93 93  
94 +
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  
105 +
106 106  [[image:image-20220517072821-2.png]]
107 107  
108 108  
109 += 2.  FAQ =
109 109  
110 -= 2.  LA66 LoRaWAN Shield =
111 +== 2.1  Where to find examples of how to use LA66? ==
111 111  
112 112  
113 -== 2.1  Overview ==
114 +(% class="wikigeneratedid" %)
115 +Below products are made by LA66. User can use their examples as reference:
114 114  
117 +* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
118 +* [[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 -)))
121 +== 2.2  How to Compile Source Code for LA66? ==
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 -)))
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 -)))
124 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
133 133  
134 -(((
135 -(((
136 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
137 -)))
138 -)))
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 -)))
127 +== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
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 -)))
151 151  
130 +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.
152 152  
153 153  
154 -== 2.2  Features ==
133 +== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
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
166 166  
167 -== 2.3  Specification ==
136 +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]]
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
186 186  
187 -== 2.4  LED ==
139 +== 2.5 How can i use J-LInk to debug LA66? ==
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
192 192  
142 +(% style="color:#037691" %)**The steps are as follows:**
193 193  
194 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
195 195  
196 -Show connection diagram：
145 +(% style="color:blue" %)**1. Install J-Link software from**
197 197  
198 -[[image:image-20220723170210-2.png||height="908" width="681"]]
147 +[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]]
199 199  
200 -1.open Arduino IDE
201 201  
202 -[[image:image-20220723170545-4.png]]
150 +(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
203 203  
204 -2.Open project
205 205  
206 -[[image:image-20220723170750-5.png||height="533" width="930"]]
153 +[[image:image-20230605151850-1.png||height="676" width="640"]]
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
209 209  
210 -[[image:image-20220723171228-6.png]]
156 +[[image:image-20230605151850-2.png]]
211 211  
212 -4.After the upload is successful, open the serial port monitoring and send the AT command
158 +(% style="display:none" %) (%%)
213 213  
214 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
160 +(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
215 215  
216 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
217 217  
218 -1.Open project
163 +**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
219 219  
220 -[[image:image-20220723172502-8.png]]
165 +**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
221 221  
222 -2.Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
167 +**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)**
223 223  
224 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
169 +**LA66 GND  < ~-~- > JLINK GND (Pin 8)**
225 225  
171 +[[image:image-20230605151850-3.png||height="629" width="1182"]]
226 226  
227 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
173 +(% style="display:none" %) (%%)
228 228  
229 -1.Open project
175 +(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\**
230 230  
231 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
177 +(% style="display:none" %) [[image:image-20230605151850-4.png]]
232 232  
233 -2.Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
234 234  
235 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
180 +**Add ASR6601 256KB Flash to Flash Download**
236 236  
237 -3.Integration into Node-red via TTNV3
182 +[[image:image-20230605152412-12.png]]
238 238  
239 -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/]]
240 240  
241 -[[image:image-20220723175700-12.png||height="602" width="995"]]
185 +[[image:image-20230605151851-6.png]]
242 242  
243 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
244 244  
188 +(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
245 245  
246 -=== 2.8.1  Items needed for update ===
247 247  
248 -1. LA66 LoRaWAN Shield
249 -1. Arduino
250 -1. USB TO TTL Adapter
191 +[[image:image-20230605151851-7.png]]
251 251  
252 -[[image:image-20220602100052-2.png||height="385" width="600"]]
193 +[[image:image-20230605151851-8.png]]
253 253  
254 254  
255 -=== 2.8.2  Connection ===
196 +(% 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.**
256 256  
257 257  
258 -[[image:image-20220602101311-3.png||height="276" width="600"]]
199 +(% style="color:blue" %)**6. Comment the low power function in main.c.**
259 259  
260 260  
261 -(((
262 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
263 -)))
202 +[[image:image-20230605151851-9.png]]
264 264  
265 -(((
266 -(% style="background-color:yellow" %)**GND  <-> GND
267 -TXD  <->  TXD
268 -RXD  <->  RXD**
269 -)))
270 270  
205 +(% style="color:blue" %)**Click Debug mode to debug.**
271 271  
272 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
207 +[[image:image-20230605151851-10.png||height="293" width="1275"]]
273 273  
274 -Connect USB TTL Adapter to PC after connecting the wires
275 275  
210 +[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %)
276 276  
277 -[[image:image-20220602102240-4.png||height="304" width="600"]]
212 +(% style="display:none" %) (%%)
278 278  
214 += 3.  Order Info =
279 279  
280 -=== 2.8.3  Upgrade steps ===
281 281  
217 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
282 282  
283 -==== 1.  Switch SW1 to put in ISP position ====
219 +(% style="color:blue" %)**XXX**(%%): The default frequency band
284 284  
221 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
222 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
223 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
224 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
225 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
226 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
227 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
228 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
229 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
285 285  
286 -[[image:image-20220602102824-5.png||height="306" width="600"]]
287 287  
232 += 4.  FCC Statement =
288 288  
289 289  
290 -==== 2.  Press the RST switch once ====
235 +(% style="color:red" %)**FCC Caution:**
291 291  
237 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
292 292  
293 -[[image:image-20220602104701-12.png||height="285" width="600"]]
239 +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.
294 294  
295 295  
242 +(% style="color:red" %)**IMPORTANT NOTE: **
296 296  
297 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
244 +(% 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:
298 298  
246 +—Reorient or relocate the receiving antenna.
299 299  
300 -(((
301 -(% 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/]]**
302 -)))
248 +—Increase the separation between the equipment and receiver.
303 303  
250 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
304 304  
305 -[[image:image-20220602103227-6.png]]
252 +—Consult the dealer or an experienced radio/TV technician for help.
306 306  
307 307  
308 -[[image:image-20220602103357-7.png]]
255 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
309 309  
257 +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.
310 310  
311 -
312 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
313 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
314 -
315 -
316 -[[image:image-20220602103844-8.png]]
317 -
318 -
319 -
320 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
321 -(% style="color:blue" %)**3. Select the bin file to burn**
322 -
323 -
324 -[[image:image-20220602104144-9.png]]
325 -
326 -
327 -[[image:image-20220602104251-10.png]]
328 -
329 -
330 -[[image:image-20220602104402-11.png]]
331 -
332 -
333 -
334 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
335 -(% style="color:blue" %)**4. Click to start the download**
336 -
337 -[[image:image-20220602104923-13.png]]
338 -
339 -
340 -
341 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
342 -(% style="color:blue" %)**5. Check update process**
343 -
344 -
345 -[[image:image-20220602104948-14.png]]
346 -
347 -
348 -
349 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
350 -(% style="color:blue" %)**The following picture shows that the burning is successful**
351 -
352 -[[image:image-20220602105251-15.png]]
353 -
354 -
355 -
356 -= 3.  LA66 USB LoRaWAN Adapter =
357 -
358 -
359 -== 3.1  Overview ==
360 -
361 -
362 -[[image:image-20220715001142-3.png||height="145" width="220"]]
363 -
364 -
365 -(((
366 -(% 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.
367 -)))
368 -
369 -(((
370 -(% 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.
371 -)))
372 -
373 -(((
374 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
375 -)))
376 -
377 -(((
378 -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.
379 -)))
380 -
381 -(((
382 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
383 -)))
384 -
385 -
386 -
387 -== 3.2  Features ==
388 -
389 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
390 -* Ultra-long RF range
391 -* Support LoRaWAN v1.0.4 protocol
392 -* Support peer-to-peer protocol
393 -* TCXO crystal to ensure RF performance on low temperature
394 -* Spring RF antenna
395 -* Available in different frequency LoRaWAN frequency bands.
396 -* World-wide unique OTAA keys.
397 -* AT Command via UART-TTL interface
398 -* Firmware upgradable via UART interface
399 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
400 -
401 -== 3.3  Specification ==
402 -
403 -* CPU: 32-bit 48 MHz
404 -* Flash: 256KB
405 -* RAM: 64KB
406 -* Input Power Range: 5v
407 -* Frequency Range: 150 MHz ~~ 960 MHz
408 -* Maximum Power +22 dBm constant RF output
409 -* High sensitivity: -148 dBm
410 -* Temperature:
411 -** Storage: -55 ~~ +125℃
412 -** Operating: -40 ~~ +85℃
413 -* Humidity:
414 -** Storage: 5 ~~ 95% (Non-Condensing)
415 -** Operating: 10 ~~ 95% (Non-Condensing)
416 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
417 -* LoRa Rx current: <9 mA
418 -
419 -== 3.4  Pin Mapping & LED ==
420 -
421 -
422 -
423 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
424 -
425 -
426 -(((
427 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
428 -)))
429 -
430 -
431 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
432 -
433 -
434 -[[image:image-20220723100027-1.png]]
435 -
436 -
437 -Open the serial port tool
438 -
439 -[[image:image-20220602161617-8.png]]
440 -
441 -[[image:image-20220602161718-9.png||height="457" width="800"]]
442 -
443 -
444 -
445 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
446 -
447 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
448 -
449 -
450 -[[image:image-20220602161935-10.png||height="498" width="800"]]
451 -
452 -
453 -
454 -(% style="color:blue" %)**3. See Uplink Command**
455 -
456 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
457 -
458 -example: AT+SENDB=01,02,8,05820802581ea0a5
459 -
460 -[[image:image-20220602162157-11.png||height="497" width="800"]]
461 -
462 -
463 -
464 -(% style="color:blue" %)**4. Check to see if TTN received the message**
465 -
466 -[[image:image-20220602162331-12.png||height="420" width="800"]]
467 -
468 -
469 -
470 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
471 -
472 -
473 -**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]]
474 -
475 -(**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]])
476 -
477 -(% style="color:red" %)**Preconditions:**
478 -
479 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
480 -
481 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
482 -
483 -
484 -
485 -(% style="color:blue" %)**Steps for usage:**
486 -
487 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
488 -
489 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
490 -
491 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
492 -
493 -
494 -
495 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
496 -
497 -
498 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
499 -
500 -
501 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
502 -
503 -[[image:image-20220723100439-2.png]]
504 -
505 -
506 -
507 -(% style="color:blue" %)**2. Install Minicom in RPi.**
508 -
509 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
510 -
511 - (% style="background-color:yellow" %)**apt update**
512 -
513 - (% style="background-color:yellow" %)**apt install minicom**
514 -
515 -
516 -Use minicom to connect to the RPI's terminal
517 -
518 -[[image:image-20220602153146-3.png||height="439" width="500"]]
519 -
520 -
521 -
522 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
523 -
524 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
525 -
526 -
527 -[[image:image-20220602154928-5.png||height="436" width="500"]]
528 -
529 -
530 -
531 -(% style="color:blue" %)**4. Send Uplink message**
532 -
533 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
534 -
535 -example: AT+SENDB=01,02,8,05820802581ea0a5
536 -
537 -
538 -[[image:image-20220602160339-6.png||height="517" width="600"]]
539 -
540 -
541 -
542 -Check to see if TTN received the message
543 -
544 -[[image:image-20220602160627-7.png||height="369" width="800"]]
545 -
546 -
547 -
548 -== 3.8  Example: Use of LA66 USB LoRaWAN Module and DRAGINO-LA66-APP. ==
549 -
550 -=== 3.8.1 DRAGINO-LA66-APP ===
551 -
552 -[[image:image-20220723102027-3.png]]
553 -
554 -==== Overview： ====
555 -
556 -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.
557 -
558 -View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
559 -
560 -==== Conditions of Use： ====
561 -
562 -Requires a type-c to USB adapter
563 -
564 -[[image:image-20220723104754-4.png]]
565 -
566 -==== Use of APP: ====
567 -
568 -Function and page introduction
569 -
570 -[[image:image-20220723113448-7.png||height="1481" width="670"]]
571 -
572 -1.Display LA66 USB LoRaWAN Module connection status
573 -
574 -2.Check and reconnect
575 -
576 -3.Turn send timestamps on or off
577 -
578 -4.Display LoRaWan connection status
579 -
580 -5.Check LoRaWan connection status
581 -
582 -6.The RSSI value of the node when the ACK is received
583 -
584 -7.Node's Signal Strength Icon
585 -
586 -8.Set the packet sending interval of the node in seconds
587 -
588 -9.AT command input box
589 -
590 -10.Send AT command button
591 -
592 -11.Node log box
593 -
594 -12.clear log button
595 -
596 -13.exit button
597 -
598 -LA66 USB LoRaWAN Module not connected
599 -
600 -[[image:image-20220723110520-5.png||height="903" width="677"]]
601 -
602 -Connect LA66 USB LoRaWAN Module
603 -
604 -[[image:image-20220723110626-6.png||height="906" width="680"]]
605 -
606 -=== 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 ===
607 -
608 -1.Register LA66 USB LoRaWAN Module to TTNV3
609 -
610 -[[image:image-20220723134549-8.png]]
611 -
612 -2.Open Node-RED,And import the JSON file to generate the flow
613 -
614 -Sample JSON file please go to this link to download：放置JSON文件的链接
615 -
616 -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/]]
617 -
618 -The following is the positioning effect map
619 -
620 -[[image:image-20220723144339-1.png]]
621 -
622 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
623 -
624 -The LA66 USB LoRaWAN Module is the same as the LA66 LoRaWAN Shield update method
625 -
626 -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)
627 -
628 -[[image:image-20220723150132-2.png]]
629 -
630 -
631 -= 4.  Order Info =
632 -
633 -
634 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
635 -
636 -
637 -(% style="color:blue" %)**XXX**(%%): The default frequency band
638 -
639 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
640 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
641 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
642 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
643 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
644 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
645 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
646 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
647 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
648 -
649 -= 5.  Reference =
650 -
651 -* 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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