Last modified by Xiaoling on 2023/09/19 09:20
<
From version < 134.4 >
edited by Xiaoling
on 2022/07/26 10:37
To version < 162.6
edited by Xiaoling
on 2023/09/19 09:20
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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
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
... ... @@ -62,11 +62,9 @@
62 62  * Firmware upgradable via UART interface
63 63  * Ultra-long RF range
64 64  
65 -
66 -
67 -
68 68  == 1.3  Specification ==
69 69  
66 +
70 70  * CPU: 32-bit 48 MHz
71 71  * Flash: 256KB
72 72  * RAM: 64KB
... ... @@ -85,641 +85,174 @@
85 85  * LoRa Rx current: <9 mA
86 86  * I/O Voltage: 3.3v
87 87  
88 -
89 -
90 -
91 91  == 1.4  AT Command ==
92 92  
93 93  
94 -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/scl/fi/3mll5vn9wd446wuk7fwtn/LA66-AT-commands.pdf?rlkey=webesgp6himl162wnx7xssqa1&dl=0]].
95 95  
96 -
97 -
98 98  == 1.5  Dimension ==
99 99  
92 +
100 100  [[image:image-20220718094750-3.png]]
101 101  
102 102  
103 -
104 104  == 1.6  Pin Mapping ==
105 105  
106 106  [[image:image-20220720111850-1.png]]
107 107  
108 108  
109 -
110 110  == 1.7  Land Pattern ==
111 111  
103 +
112 112  [[image:image-20220517072821-2.png]]
113 113  
114 114  
107 += 2.  FAQ =
115 115  
116 -= 2.  LA66 LoRaWAN Shield =
109 +== 2.1  Where to find examples of how to use LA66? ==
117 117  
118 118  
119 -== 2.1  Overview ==
112 +(% class="wikigeneratedid" %)
113 +Below products are made by LA66. User can use their examples as reference:
120 120  
115 +* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
116 +* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
121 121  
122 -(((
123 -[[image:image-20220715000826-2.png||height="145" width="220"]]
124 -)))
118 +== 2.2  How to Compile Source Code for LA66? ==
125 125  
126 -(((
127 -
128 -)))
129 129  
130 -(((
131 -(% 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.
132 -)))
121 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
133 133  
134 -(((
135 -(((
136 -(% 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.
137 -)))
138 -)))
139 139  
140 -(((
141 -(((
142 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
143 -)))
144 -)))
124 +== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
145 145  
146 -(((
147 -(((
148 -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.
149 -)))
150 -)))
151 151  
152 -(((
153 -(((
154 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
155 -)))
156 -)))
127 +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.
157 157  
158 158  
130 +== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
159 159  
160 -== 2.2  Features ==
161 161  
162 -* Arduino Shield base on LA66 LoRaWAN module
163 -* Support LoRaWAN v1.0.4 protocol
164 -* Support peer-to-peer protocol
165 -* TCXO crystal to ensure RF performance on low temperature
166 -* SMA connector
167 -* Available in different frequency LoRaWAN frequency bands.
168 -* World-wide unique OTAA keys.
169 -* AT Command via UART-TTL interface
170 -* Firmware upgradable via UART interface
171 -* Ultra-long RF range
133 +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]]
172 172  
173 -== 2.3  Specification ==
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
136 +== 2.5 How can i use J-LInk to debug LA66? ==
192 192  
193 -== 2.4  LED ==
194 194  
195 -~1. The LED lights up red when there is an upstream data packet
196 -2. When the network is successfully connected, the green light will be on for 5 seconds
197 -3. Purple light on when receiving downlink data packets
139 +(% style="color:#037691" %)**The steps are as follows:**
198 198  
199 199  
200 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
142 +(% style="color:blue" %)**1. Install J-Link software from**
201 201  
144 +[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]]
202 202  
203 -**Show connection diagram：**
204 204  
147 +(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
205 205  
206 -[[image:image-20220723170210-2.png||height="908" width="681"]]
207 207  
150 +[[image:image-20230605151850-1.png||height="676" width="640"]]
208 208  
209 209  
210 -**1.  open Arduino IDE**
153 +[[image:image-20230605151850-2.png]]
211 211  
155 +(% style="display:none" %) (%%)
212 212  
213 -[[image:image-20220723170545-4.png]]
157 +(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
214 214  
215 215  
160 +**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
216 216  
217 -**2.  Open project**
162 +**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
218 218  
164 +**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)**
219 219  
220 -LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
166 +**LA66 GND  < ~-~- > JLINK GND (Pin 8)**
221 221  
222 -[[image:image-20220723170750-5.png||height="533" width="930"]]
168 +[[image:image-20230605151850-3.png||height="629" width="1182"]]
223 223  
170 +(% style="display:none" %) (%%)
224 224  
172 +(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\**
225 225  
226 -**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**
174 +(% style="display:none" %) [[image:image-20230605151850-4.png]]
227 227  
228 228  
229 -[[image:image-20220723171228-6.png]]
177 +**Add ASR6601 256KB Flash to Flash Download**
230 230  
179 +[[image:image-20230605152412-12.png]]
231 231  
232 232  
233 -**4.  After the upload is successful, open the serial port monitoring and send the AT command**
182 +[[image:image-20230605151851-6.png]]
234 234  
235 235  
236 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
185 +(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
237 237  
238 238  
188 +[[image:image-20230605151851-7.png]]
239 239  
240 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
190 +[[image:image-20230605151851-8.png]]
241 241  
242 242  
243 -**1.  Open project**
193 +(% 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.**
244 244  
245 245  
246 -Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
196 +(% style="color:blue" %)**6. Comment the low power function in main.c.**
247 247  
248 -[[image:image-20220723172502-8.png]]
249 249  
199 +[[image:image-20230605151851-9.png]]
250 250  
251 251  
252 -2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
202 +(% style="color:blue" %)**Click Debug mode to debug.**
253 253  
204 +[[image:image-20230605151851-10.png||height="293" width="1275"]]
254 254  
255 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
256 256  
207 +[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %)
257 257  
209 +(% style="display:none" %) (%%)
258 258  
259 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
211 += 3.  Order Info =
260 260  
261 261  
262 -**1.  Open project**
214 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
263 263  
216 +(% style="color:blue" %)**XXX**(%%): The default frequency band
264 264  
265 -Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
218 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
219 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
220 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
221 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
222 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
223 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
224 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
225 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
226 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
266 266  
228 += 4.  FCC Statement =
267 267  
268 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
269 269  
231 +(% style="color:red" %)**FCC Caution:**
270 270  
233 +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  
272 -**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
235 +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.
273 273  
274 274  
275 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
238 +(% style="color:red" %)**IMPORTANT NOTE: **
276 276  
240 +(% 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:
277 277  
242 +—Reorient or relocate the receiving antenna.
278 278  
279 -**3.  Integration into Node-red via TTNV3**
244 +—Increase the separation between the equipment and receiver.
280 280  
281 -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/]]
246 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
282 282  
283 -[[image:image-20220723175700-12.png||height="602" width="995"]]
248 +—Consult the dealer or an experienced radio/TV technician for help.
284 284  
285 285  
251 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
286 286  
287 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
253 +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.
288 288  
289 -
290 -=== 2.8.1  Items needed for update ===
291 -
292 -
293 -1. LA66 LoRaWAN Shield
294 -1. Arduino
295 -1. USB TO TTL Adapter
296 -
297 -[[image:image-20220602100052-2.png||height="385" width="600"]]
298 -
299 -
300 -=== 2.8.2  Connection ===
301 -
302 -
303 -[[image:image-20220602101311-3.png||height="276" width="600"]]
304 -
305 -
306 -(((
307 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
308 -)))
309 -
310 -(((
311 -(% style="background-color:yellow" %)**GND  <-> GND
312 -TXD  <->  TXD
313 -RXD  <->  RXD**
314 -)))
315 -
316 -
317 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
318 -
319 -Connect USB TTL Adapter to PC after connecting the wires
320 -
321 -
322 -[[image:image-20220602102240-4.png||height="304" width="600"]]
323 -
324 -
325 -=== 2.8.3  Upgrade steps ===
326 -
327 -
328 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
329 -
330 -
331 -[[image:image-20220602102824-5.png||height="306" width="600"]]
332 -
333 -
334 -
335 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
336 -
337 -
338 -[[image:image-20220602104701-12.png||height="285" width="600"]]
339 -
340 -
341 -
342 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
343 -
344 -
345 -(((
346 -(% 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/]]**
347 -)))
348 -
349 -
350 -[[image:image-20220602103227-6.png]]
351 -
352 -
353 -[[image:image-20220602103357-7.png]]
354 -
355 -
356 -
357 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
358 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
359 -
360 -
361 -[[image:image-20220602103844-8.png]]
362 -
363 -
364 -
365 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
366 -(% style="color:blue" %)**3. Select the bin file to burn**
367 -
368 -
369 -[[image:image-20220602104144-9.png]]
370 -
371 -
372 -[[image:image-20220602104251-10.png]]
373 -
374 -
375 -[[image:image-20220602104402-11.png]]
376 -
377 -
378 -
379 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
380 -(% style="color:blue" %)**4. Click to start the download**
381 -
382 -[[image:image-20220602104923-13.png]]
383 -
384 -
385 -
386 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
387 -(% style="color:blue" %)**5. Check update process**
388 -
389 -
390 -[[image:image-20220602104948-14.png]]
391 -
392 -
393 -
394 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
395 -(% style="color:blue" %)**The following picture shows that the burning is successful**
396 -
397 -[[image:image-20220602105251-15.png]]
398 -
399 -
400 -
401 -= 3.  LA66 USB LoRaWAN Adapter =
402 -
403 -
404 -== 3.1  Overview ==
405 -
406 -
407 -[[image:image-20220715001142-3.png||height="145" width="220"]]
408 -
409 -
410 -(((
411 -(% 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.
412 -)))
413 -
414 -(((
415 -(% 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.
416 -)))
417 -
418 -(((
419 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
420 -)))
421 -
422 -(((
423 -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.
424 -)))
425 -
426 -(((
427 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
428 -)))
429 -
430 -
431 -
432 -== 3.2  Features ==
433 -
434 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
435 -* Ultra-long RF range
436 -* Support LoRaWAN v1.0.4 protocol
437 -* Support peer-to-peer protocol
438 -* TCXO crystal to ensure RF performance on low temperature
439 -* Spring RF antenna
440 -* Available in different frequency LoRaWAN frequency bands.
441 -* World-wide unique OTAA keys.
442 -* AT Command via UART-TTL interface
443 -* Firmware upgradable via UART interface
444 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
445 -
446 -
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 -
467 -
468 -== 3.4  Pin Mapping & LED ==
469 -
470 -
471 -
472 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
473 -
474 -
475 -(((
476 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
477 -)))
478 -
479 -
480 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
481 -
482 -
483 -[[image:image-20220723100027-1.png]]
484 -
485 -
486 -Open the serial port tool
487 -
488 -[[image:image-20220602161617-8.png]]
489 -
490 -[[image:image-20220602161718-9.png||height="457" width="800"]]
491 -
492 -
493 -
494 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
495 -
496 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
497 -
498 -
499 -[[image:image-20220602161935-10.png||height="498" width="800"]]
500 -
501 -
502 -
503 -(% style="color:blue" %)**3. See Uplink Command**
504 -
505 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
506 -
507 -example: AT+SENDB=01,02,8,05820802581ea0a5
508 -
509 -[[image:image-20220602162157-11.png||height="497" width="800"]]
510 -
511 -
512 -
513 -(% style="color:blue" %)**4. Check to see if TTN received the message**
514 -
515 -[[image:image-20220602162331-12.png||height="420" width="800"]]
516 -
517 -
518 -
519 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
520 -
521 -
522 -**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]]
523 -
524 -(**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]])
525 -
526 -(% style="color:red" %)**Preconditions:**
527 -
528 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
529 -
530 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
531 -
532 -
533 -
534 -(% style="color:blue" %)**Steps for usage:**
535 -
536 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
537 -
538 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
539 -
540 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
541 -
542 -
543 -
544 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
545 -
546 -
547 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
548 -
549 -
550 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
551 -
552 -[[image:image-20220723100439-2.png]]
553 -
554 -
555 -
556 -(% style="color:blue" %)**2. Install Minicom in RPi.**
557 -
558 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
559 -
560 - (% style="background-color:yellow" %)**apt update**
561 -
562 - (% style="background-color:yellow" %)**apt install minicom**
563 -
564 -
565 -Use minicom to connect to the RPI's terminal
566 -
567 -[[image:image-20220602153146-3.png||height="439" width="500"]]
568 -
569 -
570 -
571 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
572 -
573 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
574 -
575 -
576 -[[image:image-20220602154928-5.png||height="436" width="500"]]
577 -
578 -
579 -
580 -(% style="color:blue" %)**4. Send Uplink message**
581 -
582 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
583 -
584 -example: AT+SENDB=01,02,8,05820802581ea0a5
585 -
586 -
587 -[[image:image-20220602160339-6.png||height="517" width="600"]]
588 -
589 -
590 -
591 -Check to see if TTN received the message
592 -
593 -[[image:image-20220602160627-7.png||height="369" width="800"]]
594 -
595 -
596 -
597 -== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
598 -
599 -
600 -=== 3.8.1 DRAGINO-LA66-APP ===
601 -
602 -
603 -[[image:image-20220723102027-3.png]]
604 -
605 -
606 -
607 -==== (% style="color:blue" %)**Overview：**(%%) ====
608 -
609 -
610 -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.
611 -
612 -View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
613 -
614 -
615 -
616 -==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
617 -
618 -
619 -Requires a type-c to USB adapter
620 -
621 -[[image:image-20220723104754-4.png]]
622 -
623 -
624 -
625 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
626 -
627 -
628 -Function and page introduction
629 -
630 -[[image:image-20220723113448-7.png||height="1481" width="670"]]
631 -
632 -1.Display LA66 USB LoRaWAN Module connection status
633 -
634 -2.Check and reconnect
635 -
636 -3.Turn send timestamps on or off
637 -
638 -4.Display LoRaWan connection status
639 -
640 -5.Check LoRaWan connection status
641 -
642 -6.The RSSI value of the node when the ACK is received
643 -
644 -7.Node's Signal Strength Icon
645 -
646 -8.Set the packet sending interval of the node in seconds
647 -
648 -9.AT command input box
649 -
650 -10.Send AT command button
651 -
652 -11.Node log box
653 -
654 -12.clear log button
655 -
656 -13.exit button
657 -
658 -
659 -LA66 USB LoRaWAN Module not connected
660 -
661 -[[image:image-20220723110520-5.png||height="903" width="677"]]
662 -
663 -
664 -
665 -Connect LA66 USB LoRaWAN Module
666 -
667 -[[image:image-20220723110626-6.png||height="906" width="680"]]
668 -
669 -
670 -
671 -=== 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 ===
672 -
673 -
674 -**1.  Register LA66 USB LoRaWAN Module to TTNV3**
675 -
676 -[[image:image-20220723134549-8.png]]
677 -
678 -
679 -
680 -**2.  Open Node-RED,And import the JSON file to generate the flow**
681 -
682 -Sample JSON file please go to this link to download：放置JSON文件的链接
683 -
684 -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/]]
685 -
686 -The following is the positioning effect map
687 -
688 -[[image:image-20220723144339-1.png]]
689 -
690 -
691 -
692 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
693 -
694 -
695 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
696 -
697 -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)
698 -
699 -[[image:image-20220723150132-2.png]]
700 -
701 -
702 -
703 -= 4.  Order Info =
704 -
705 -
706 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
707 -
708 -
709 -(% style="color:blue" %)**XXX**(%%): The default frequency band
710 -
711 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
712 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
713 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
714 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
715 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
716 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
717 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
718 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
719 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
720 -
721 -
722 -= 5.  Reference =
723 -
724 -
725 -* 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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