Last modified by Xiaoling on 2023/09/19 09:20
<
From version < 137.1 >
edited by Herong Lu
on 2022/07/26 13:54
To version < 162.5 >
edited by Xiaoling
on 2023/09/18 16:35
>
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Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Module User Manual
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Lu
1 +XWiki.Xiaoling
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
... ... @@ -63,9 +63,9 @@
63 63  * Ultra-long RF range
64 64  
65 65  
66 -
67 67  == 1.3  Specification ==
68 68  
67 +
69 69  * CPU: 32-bit 48 MHz
70 70  * Flash: 256KB
71 71  * RAM: 64KB
... ... @@ -85,646 +85,176 @@
85 85  * I/O Voltage: 3.3v
86 86  
87 87  
88 -
89 89  == 1.4  AT Command ==
90 90  
91 91  
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.
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]].
93 93  
94 -
95 -
96 96  == 1.5  Dimension ==
97 97  
94 +
98 98  [[image:image-20220718094750-3.png]]
99 99  
100 100  
101 -
102 102  == 1.6  Pin Mapping ==
103 103  
104 104  [[image:image-20220720111850-1.png]]
105 105  
106 106  
107 -
108 108  == 1.7  Land Pattern ==
109 109  
105 +
110 110  [[image:image-20220517072821-2.png]]
111 111  
112 112  
109 += 2.  FAQ =
113 113  
114 -= 2.  LA66 LoRaWAN Shield =
111 +== 2.1  Where to find examples of how to use LA66? ==
115 115  
116 116  
117 -== 2.1  Overview ==
114 +(% class="wikigeneratedid" %)
115 +Below products are made by LA66. User can use their examples as reference:
118 118  
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]]
119 119  
120 -(((
121 -[[image:image-20220715000826-2.png||height="145" width="220"]]
122 -)))
123 123  
124 -(((
125 -
126 -)))
121 +== 2.2  How to Compile Source Code for LA66? ==
127 127  
128 -(((
129 -(% 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.
130 -)))
131 131  
132 -(((
133 -(((
134 -(% 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.
135 -)))
136 -)))
124 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
137 137  
138 -(((
139 -(((
140 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
141 -)))
142 -)))
143 143  
144 -(((
145 -(((
146 -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.
147 -)))
148 -)))
127 +== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
149 149  
150 -(((
151 -(((
152 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
153 -)))
154 -)))
155 155  
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.
156 156  
157 157  
158 -== 2.2  Features ==
133 +== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
159 159  
160 -* Arduino Shield base on LA66 LoRaWAN module
161 -* Support LoRaWAN v1.0.4 protocol
162 -* Support peer-to-peer protocol
163 -* TCXO crystal to ensure RF performance on low temperature
164 -* SMA connector
165 -* Available in different frequency LoRaWAN frequency bands.
166 -* World-wide unique OTAA keys.
167 -* AT Command via UART-TTL interface
168 -* Firmware upgradable via UART interface
169 -* Ultra-long RF range
170 170  
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]]
171 171  
172 172  
173 -== 2.3  Specification ==
139 +== 2.5 How can i use J-LInk to debug LA66? ==
174 174  
175 -* CPU: 32-bit 48 MHz
176 -* Flash: 256KB
177 -* RAM: 64KB
178 -* Input Power Range: 1.8v ~~ 3.7v
179 -* Power Consumption: < 4uA.
180 -* Frequency Range: 150 MHz ~~ 960 MHz
181 -* Maximum Power +22 dBm constant RF output
182 -* High sensitivity: -148 dBm
183 -* Temperature:
184 -** Storage: -55 ~~ +125℃
185 -** Operating: -40 ~~ +85℃
186 -* Humidity:
187 -** Storage: 5 ~~ 95% (Non-Condensing)
188 -** Operating: 10 ~~ 95% (Non-Condensing)
189 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
190 -* LoRa Rx current: <9 mA
191 -* I/O Voltage: 3.3v
192 192  
142 +(% style="color:#037691" %)**The steps are as follows:**
193 193  
194 194  
195 -== 2.4  LED ==
145 +(% style="color:blue" %)**1. Install J-Link software from**
196 196  
147 +[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]]
197 197  
198 -~1. The LED lights up red when there is an upstream data packet
199 -2. When the network is successfully connected, the green light will be on for 5 seconds
200 -3. Purple light on when receiving downlink data packets
201 201  
150 +(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
202 202  
203 203  
204 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
153 +[[image:image-20230605151850-1.png||height="676" width="640"]]
205 205  
206 206  
207 -**Show connection diagram：**
156 +[[image:image-20230605151850-2.png]]
208 208  
158 +(% style="display:none" %) (%%)
209 209  
210 -[[image:image-20220723170210-2.png||height="908" width="681"]]
160 +(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
211 211  
212 212  
163 +**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
213 213  
214 -(% style="color:blue" %)**1.  open Arduino IDE**
165 +**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
215 215  
167 +**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)**
216 216  
217 -[[image:image-20220723170545-4.png]]
169 +**LA66 GND  < ~-~- > JLINK GND (Pin 8)**
218 218  
171 +[[image:image-20230605151850-3.png||height="629" width="1182"]]
219 219  
173 +(% style="display:none" %) (%%)
220 220  
221 -(% style="color:blue" %)**2.  Open project**
175 +(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\**
222 222  
177 +(% style="display:none" %) [[image:image-20230605151850-4.png]]
223 223  
224 -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]]
225 225  
226 -[[image:image-20220726135239-1.png]]
180 +**Add ASR6601 256KB Flash to Flash Download**
227 227  
182 +[[image:image-20230605152412-12.png]]
228 228  
229 -(% 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**
230 230  
231 -[[image:image-20220726135356-2.png]]
185 +[[image:image-20230605151851-6.png]]
232 232  
233 233  
234 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
188 +(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
235 235  
236 236  
237 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
191 +[[image:image-20230605151851-7.png]]
238 238  
193 +[[image:image-20230605151851-8.png]]
239 239  
240 240  
241 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
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.**
242 242  
243 243  
244 -(% style="color:blue" %)**1.  Open project**
199 +(% style="color:blue" %)**6. Comment the low power function in main.c.**
245 245  
246 246  
247 -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]]
202 +[[image:image-20230605151851-9.png]]
248 248  
249 249  
250 -[[image:image-20220723172502-8.png]]
205 +(% style="color:blue" %)**Click Debug mode to debug.**
251 251  
207 +[[image:image-20230605151851-10.png||height="293" width="1275"]]
252 252  
253 253  
254 -(% 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**
210 +[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %)
255 255  
212 +(% style="display:none" %) (%%)
256 256  
257 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
214 += 3.  Order Info =
258 258  
259 259  
217 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
260 260  
261 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
219 +(% style="color:blue" %)**XXX**(%%): The default frequency band
262 262  
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
263 263  
264 -(% style="color:blue" %)**1.  Open project**
265 265  
232 += 4.  FCC Statement =
266 266  
267 -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]]
268 268  
235 +(% style="color:red" %)**FCC Caution:**
269 269  
270 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
237 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
271 271  
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.
272 272  
273 273  
274 -(% 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**
242 +(% style="color:red" %)**IMPORTANT NOTE: **
275 275  
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:
276 276  
277 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
246 +—Reorient or relocate the receiving antenna.
278 278  
248 +—Increase the separation between the equipment and receiver.
279 279  
250 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
280 280  
281 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
252 +—Consult the dealer or an experienced radio/TV technician for help.
282 282  
283 -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/]]
284 284  
285 -[[image:image-20220723175700-12.png||height="602" width="995"]]
255 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
286 286  
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.
287 287  
288 -
289 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
290 -
291 -
292 -=== 2.8.1  Items needed for update ===
293 -
294 -
295 -1. LA66 LoRaWAN Shield
296 -1. Arduino
297 -1. USB TO TTL Adapter
298 -
299 -[[image:image-20220602100052-2.png||height="385" width="600"]]
300 -
301 -
302 -=== 2.8.2  Connection ===
303 -
304 -
305 -[[image:image-20220602101311-3.png||height="276" width="600"]]
306 -
307 -
308 -(((
309 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
310 -)))
311 -
312 -(((
313 -(% style="background-color:yellow" %)**GND  <-> GND
314 -TXD  <->  TXD
315 -RXD  <->  RXD**
316 -)))
317 -
318 -
319 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
320 -
321 -Connect USB TTL Adapter to PC after connecting the wires
322 -
323 -
324 -[[image:image-20220602102240-4.png||height="304" width="600"]]
325 -
326 -
327 -=== 2.8.3  Upgrade steps ===
328 -
329 -
330 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
331 -
332 -
333 -[[image:image-20220602102824-5.png||height="306" width="600"]]
334 -
335 -
336 -
337 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
338 -
339 -
340 -[[image:image-20220602104701-12.png||height="285" width="600"]]
341 -
342 -
343 -
344 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
345 -
346 -
347 -(((
348 -(% 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/]]**
349 -)))
350 -
351 -
352 -[[image:image-20220602103227-6.png]]
353 -
354 -
355 -[[image:image-20220602103357-7.png]]
356 -
357 -
358 -
359 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
360 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
361 -
362 -
363 -[[image:image-20220602103844-8.png]]
364 -
365 -
366 -
367 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
368 -(% style="color:blue" %)**3. Select the bin file to burn**
369 -
370 -
371 -[[image:image-20220602104144-9.png]]
372 -
373 -
374 -[[image:image-20220602104251-10.png]]
375 -
376 -
377 -[[image:image-20220602104402-11.png]]
378 -
379 -
380 -
381 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
382 -(% style="color:blue" %)**4. Click to start the download**
383 -
384 -[[image:image-20220602104923-13.png]]
385 -
386 -
387 -
388 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
389 -(% style="color:blue" %)**5. Check update process**
390 -
391 -
392 -[[image:image-20220602104948-14.png]]
393 -
394 -
395 -
396 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
397 -(% style="color:blue" %)**The following picture shows that the burning is successful**
398 -
399 -[[image:image-20220602105251-15.png]]
400 -
401 -
402 -
403 -= 3.  LA66 USB LoRaWAN Adapter =
404 -
405 -
406 -== 3.1  Overview ==
407 -
408 -
409 -[[image:image-20220715001142-3.png||height="145" width="220"]]
410 -
411 -
412 -(((
413 -(% 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.
414 -)))
415 -
416 -(((
417 -(% 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.
418 -)))
419 -
420 -(((
421 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
422 -)))
423 -
424 -(((
425 -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.
426 -)))
427 -
428 -(((
429 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
430 -)))
431 -
432 -
433 -
434 -== 3.2  Features ==
435 -
436 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
437 -* Ultra-long RF range
438 -* Support LoRaWAN v1.0.4 protocol
439 -* Support peer-to-peer protocol
440 -* TCXO crystal to ensure RF performance on low temperature
441 -* Spring RF antenna
442 -* Available in different frequency LoRaWAN frequency bands.
443 -* World-wide unique OTAA keys.
444 -* AT Command via UART-TTL interface
445 -* Firmware upgradable via UART interface
446 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
447 -
448 -== 3.3  Specification ==
449 -
450 -* CPU: 32-bit 48 MHz
451 -* Flash: 256KB
452 -* RAM: 64KB
453 -* Input Power Range: 5v
454 -* Frequency Range: 150 MHz ~~ 960 MHz
455 -* Maximum Power +22 dBm constant RF output
456 -* High sensitivity: -148 dBm
457 -* Temperature:
458 -** Storage: -55 ~~ +125℃
459 -** Operating: -40 ~~ +85℃
460 -* Humidity:
461 -** Storage: 5 ~~ 95% (Non-Condensing)
462 -** Operating: 10 ~~ 95% (Non-Condensing)
463 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
464 -* LoRa Rx current: <9 mA
465 -
466 -== 3.4  Pin Mapping & LED ==
467 -
468 -
469 -
470 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
471 -
472 -
473 -(((
474 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
475 -)))
476 -
477 -
478 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
479 -
480 -
481 -[[image:image-20220723100027-1.png]]
482 -
483 -
484 -Open the serial port tool
485 -
486 -[[image:image-20220602161617-8.png]]
487 -
488 -[[image:image-20220602161718-9.png||height="457" width="800"]]
489 -
490 -
491 -
492 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
493 -
494 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
495 -
496 -
497 -[[image:image-20220602161935-10.png||height="498" width="800"]]
498 -
499 -
500 -
501 -(% style="color:blue" %)**3. See Uplink Command**
502 -
503 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
504 -
505 -example: AT+SENDB=01,02,8,05820802581ea0a5
506 -
507 -[[image:image-20220602162157-11.png||height="497" width="800"]]
508 -
509 -
510 -
511 -(% style="color:blue" %)**4. Check to see if TTN received the message**
512 -
513 -[[image:image-20220602162331-12.png||height="420" width="800"]]
514 -
515 -
516 -
517 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
518 -
519 -
520 -**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]]
521 -
522 -(**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]])
523 -
524 -(% style="color:red" %)**Preconditions:**
525 -
526 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
527 -
528 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
529 -
530 -
531 -
532 -(% style="color:blue" %)**Steps for usage:**
533 -
534 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
535 -
536 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
537 -
538 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
539 -
540 -
541 -
542 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
543 -
544 -
545 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
546 -
547 -
548 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
549 -
550 -[[image:image-20220723100439-2.png]]
551 -
552 -
553 -
554 -(% style="color:blue" %)**2. Install Minicom in RPi.**
555 -
556 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
557 -
558 - (% style="background-color:yellow" %)**apt update**
559 -
560 - (% style="background-color:yellow" %)**apt install minicom**
561 -
562 -
563 -Use minicom to connect to the RPI's terminal
564 -
565 -[[image:image-20220602153146-3.png||height="439" width="500"]]
566 -
567 -
568 -
569 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
570 -
571 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
572 -
573 -
574 -[[image:image-20220602154928-5.png||height="436" width="500"]]
575 -
576 -
577 -
578 -(% style="color:blue" %)**4. Send Uplink message**
579 -
580 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
581 -
582 -example: AT+SENDB=01,02,8,05820802581ea0a5
583 -
584 -
585 -[[image:image-20220602160339-6.png||height="517" width="600"]]
586 -
587 -
588 -
589 -Check to see if TTN received the message
590 -
591 -[[image:image-20220602160627-7.png||height="369" width="800"]]
592 -
593 -
594 -
595 -== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
596 -
597 -
598 -=== 3.8.1  DRAGINO-LA66-APP ===
599 -
600 -
601 -[[image:image-20220723102027-3.png]]
602 -
603 -
604 -
605 -==== (% style="color:blue" %)**Overview：**(%%) ====
606 -
607 -
608 -(((
609 -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.
610 -)))
611 -
612 -(((
613 -View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
614 -)))
615 -
616 -
617 -
618 -==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
619 -
620 -
621 -Requires a type-c to USB adapter
622 -
623 -[[image:image-20220723104754-4.png]]
624 -
625 -
626 -
627 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
628 -
629 -
630 -Function and page introduction
631 -
632 -[[image:image-20220723113448-7.png||height="1481" width="670"]]
633 -
634 -
635 -1.Display LA66 USB LoRaWAN Module connection status
636 -
637 -2.Check and reconnect
638 -
639 -3.Turn send timestamps on or off
640 -
641 -4.Display LoRaWan connection status
642 -
643 -5.Check LoRaWan connection status
644 -
645 -6.The RSSI value of the node when the ACK is received
646 -
647 -7.Node's Signal Strength Icon
648 -
649 -8.Set the packet sending interval of the node in seconds
650 -
651 -9.AT command input box
652 -
653 -10.Send AT command button
654 -
655 -11.Node log box
656 -
657 -12.clear log button
658 -
659 -13.exit button
660 -
661 -
662 -LA66 USB LoRaWAN Module not connected
663 -
664 -[[image:image-20220723110520-5.png||height="903" width="677"]]
665 -
666 -
667 -
668 -Connect LA66 USB LoRaWAN Module
669 -
670 -[[image:image-20220723110626-6.png||height="906" width="680"]]
671 -
672 -
673 -
674 -=== 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 ===
675 -
676 -
677 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
678 -
679 -[[image:image-20220723134549-8.png]]
680 -
681 -
682 -
683 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
684 -
685 -Sample JSON file please go to this link to download：放置JSON文件的链接
686 -
687 -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/]]
688 -
689 -The following is the positioning effect map
690 -
691 -[[image:image-20220723144339-1.png]]
692 -
693 -
694 -
695 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
696 -
697 -
698 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
699 -
700 -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)
701 -
702 -[[image:image-20220723150132-2.png]]
703 -
704 -
705 -
706 -= 4.  Order Info =
707 -
708 -
709 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
710 -
711 -
712 -(% style="color:blue" %)**XXX**(%%): The default frequency band
713 -
714 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
715 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
716 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
717 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
718 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
719 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
720 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
721 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
722 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
723 -
724 -
725 -
726 -
727 -= 5.  Reference =
728 -
729 -
730 -* 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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