Last modified by Xiaoling on 2023/09/19 09:20
<
From version < 137.2 >
edited by Xiaoling
on 2022/07/29 08:57
To version < 162.3 >
edited by Xiaoling
on 2023/06/05 15:35
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Summary

Details

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Title
... ... @@ -1,1 +1,1 @@
1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Module User Manual
Content
... ... @@ -8,7 +8,6 @@
8 8  
9 9  = 1.  LA66 LoRaWAN Module =
10 10  
11 -
12 12  == 1.1  What is LA66 LoRaWAN Module ==
13 13  
14 14  
... ... @@ -49,10 +49,10 @@
49 49  )))
50 50  
51 51  
52 -
53 53  == 1.2  Features ==
54 54  
55 -* Support LoRaWAN v1.0.4 protocol
53 +
54 +* Support LoRaWAN v1.0.3 protocol
56 56  * Support peer-to-peer protocol
57 57  * TCXO crystal to ensure RF performance on low temperature
58 58  * SMD Antenna pad and i-pex antenna connector
... ... @@ -63,8 +63,10 @@
63 63  * Ultra-long RF range
64 64  
65 65  
65 +
66 66  == 1.3  Specification ==
67 67  
68 +
68 68  * CPU: 32-bit 48 MHz
69 69  * Flash: 256KB
70 70  * RAM: 64KB
... ... @@ -84,652 +84,178 @@
84 84  * I/O Voltage: 3.3v
85 85  
86 86  
88 +
87 87  == 1.4  AT Command ==
88 88  
89 89  
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.
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  
92 92  
93 -
94 94  == 1.5  Dimension ==
95 95  
97 +
96 96  [[image:image-20220718094750-3.png]]
97 97  
98 98  
99 -
100 100  == 1.6  Pin Mapping ==
101 101  
102 102  [[image:image-20220720111850-1.png]]
103 103  
104 104  
105 -
106 106  == 1.7  Land Pattern ==
107 107  
108 +
108 108  [[image:image-20220517072821-2.png]]
109 109  
110 110  
112 += 2.  FAQ =
111 111  
112 -= 2.  LA66 LoRaWAN Shield =
114 +== 2.1  Where to find examples of how to use LA66? ==
113 113  
114 114  
115 -== 2.1  Overview ==
117 +(% class="wikigeneratedid" %)
118 +Below products are made by LA66. User can use their examples as reference:
116 116  
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]]
117 117  
118 -(((
119 -[[image:image-20220715000826-2.png||height="145" width="220"]]
120 -)))
121 121  
122 -(((
123 -
124 -)))
125 125  
126 -(((
127 -(% 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.
128 -)))
125 +== 2.2  How to Compile Source Code for LA66? ==
129 129  
130 -(((
131 -(((
132 -(% 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.
133 -)))
134 -)))
135 135  
136 -(((
137 -(((
138 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
139 -)))
140 -)))
128 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
141 141  
142 -(((
143 -(((
144 -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.
145 -)))
146 -)))
147 147  
148 -(((
149 -(((
150 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
151 -)))
152 -)))
131 +== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
153 153  
154 154  
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.
155 155  
156 -== 2.2  Features ==
157 157  
158 -* Arduino Shield base on LA66 LoRaWAN module
159 -* Support LoRaWAN v1.0.4 protocol
160 -* Support peer-to-peer protocol
161 -* TCXO crystal to ensure RF performance on low temperature
162 -* SMA connector
163 -* Available in different frequency LoRaWAN frequency bands.
164 -* World-wide unique OTAA keys.
165 -* AT Command via UART-TTL interface
166 -* Firmware upgradable via UART interface
167 -* Ultra-long RF range
137 +== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
168 168  
169 169  
170 -== 2.3  Specification ==
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]]
171 171  
172 -* CPU: 32-bit 48 MHz
173 -* Flash: 256KB
174 -* RAM: 64KB
175 -* Input Power Range: 1.8v ~~ 3.7v
176 -* Power Consumption: < 4uA.
177 -* Frequency Range: 150 MHz ~~ 960 MHz
178 -* Maximum Power +22 dBm constant RF output
179 -* High sensitivity: -148 dBm
180 -* Temperature:
181 -** Storage: -55 ~~ +125℃
182 -** Operating: -40 ~~ +85℃
183 -* Humidity:
184 -** Storage: 5 ~~ 95% (Non-Condensing)
185 -** Operating: 10 ~~ 95% (Non-Condensing)
186 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
187 -* LoRa Rx current: <9 mA
188 -* I/O Voltage: 3.3v
189 189  
143 +== 2.5 How can i use J-LInk to debug LA66? ==
190 190  
191 -== 2.4  LED ==
192 192  
146 +(% style="color:#037691" %)**The steps are as follows:**
193 193  
194 -~1. The LED lights up red when there is an upstream data packet
195 -2. When the network is successfully connected, the green light will be on for 5 seconds
196 -3. Purple light on when receiving downlink data packets
197 197  
149 +(% style="color:blue" %)**1. Install J-Link software from**
198 198  
151 +[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]]
199 199  
200 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
201 201  
154 +(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
202 202  
203 -**Show connection diagram：**
204 204  
157 +[[image:image-20230605151850-1.png]]
205 205  
206 -[[image:image-20220723170210-2.png||height="908" width="681"]]
207 207  
160 +[[image:image-20230605151850-2.png]]
208 208  
209 209  
210 -(% style="color:blue" %)**1.  open Arduino IDE**
163 +(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
211 211  
165 +**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
212 212  
213 -[[image:image-20220723170545-4.png]]
167 +**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
214 214  
169 +**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)**
215 215  
171 +**LA66 GND  < ~-~- > JLINK GND (Pin 8)**
216 216  
217 -(% style="color:blue" %)**2.  Open project**
173 +[[image:image-20230605151850-3.png||height="629" width="1182"]]
218 218  
175 +(% style="display:none" %) (%%)
219 219  
220 -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]]
177 +(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\**
221 221  
222 -[[image:image-20220726135239-1.png]]
179 +(% style="display:none" %) [[image:image-20230605151850-4.png]]
223 223  
224 224  
225 -(% 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**
182 +**Add ASR6601 256KB Flash to Flash Download**
226 226  
227 -[[image:image-20220726135356-2.png]]
184 +[[image:image-20230605152412-12.png]]
228 228  
229 229  
230 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
187 +[[image:image-20230605151851-6.png]]
231 231  
232 232  
233 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
190 +(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
234 234  
235 235  
193 +[[image:image-20230605151851-7.png]]
236 236  
237 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
195 +[[image:image-20230605151851-8.png]]
238 238  
239 239  
240 -(% style="color:blue" %)**1.  Open project**
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.**
241 241  
242 242  
243 -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]]
201 +(% style="color:blue" %)**6. Comment the low power function in main.c.**
244 244  
245 245  
246 -[[image:image-20220723172502-8.png]]
204 +[[image:image-20230605151851-9.png]]
247 247  
248 248  
207 +(% style="color:blue" %)**Click Debug mode to debug.**
249 249  
250 -(% 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**
209 +[[image:image-20230605151851-10.png||height="293" width="1275"]]
251 251  
252 252  
253 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
212 +[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %)
254 254  
214 +(% style="display:none" %) (%%)
255 255  
216 += 3.  Order Info =
256 256  
257 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
258 258  
219 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
259 259  
260 -(% style="color:blue" %)**1.  Open project**
221 +(% style="color:blue" %)**XXX**(%%): The default frequency band
261 261  
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
262 262  
263 -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]]
264 264  
265 265  
266 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
235 += 4.  FCC Statement =
267 267  
268 268  
238 +(% style="color:red" %)**FCC Caution:**
269 269  
270 -(% 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**
240 +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  
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.
272 272  
273 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
274 274  
245 +(% style="color:red" %)**IMPORTANT NOTE: **
275 275  
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:
276 276  
277 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
249 +—Reorient or relocate the receiving antenna.
278 278  
279 -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/]]
251 +—Increase the separation between the equipment and receiver.
280 280  
281 -[[image:image-20220723175700-12.png||height="602" width="995"]]
253 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
282 282  
255 +—Consult the dealer or an experienced radio/TV technician for help.
283 283  
284 284  
285 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
258 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
286 286  
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.
287 287  
288 -=== 2.8.1  Items needed for update ===
289 -
290 -
291 -1. LA66 LoRaWAN Shield
292 -1. Arduino
293 -1. USB TO TTL Adapter
294 -
295 -[[image:image-20220602100052-2.png||height="385" width="600"]]
296 -
297 -
298 -=== 2.8.2  Connection ===
299 -
300 -
301 -[[image:image-20220602101311-3.png||height="276" width="600"]]
302 -
303 -
304 -(((
305 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
306 -)))
307 -
308 -(((
309 -(% style="background-color:yellow" %)**GND  <-> GND
310 -TXD  <->  TXD
311 -RXD  <->  RXD**
312 -)))
313 -
314 -
315 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
316 -
317 -Connect USB TTL Adapter to PC after connecting the wires
318 -
319 -
320 -[[image:image-20220602102240-4.png||height="304" width="600"]]
321 -
322 -
323 -=== 2.8.3  Upgrade steps ===
324 -
325 -
326 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
327 -
328 -
329 -[[image:image-20220602102824-5.png||height="306" width="600"]]
330 -
331 -
332 -
333 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
334 -
335 -
336 -[[image:image-20220602104701-12.png||height="285" width="600"]]
337 -
338 -
339 -
340 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
341 -
342 -
343 -(((
344 -(% 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/]]**
345 -)))
346 -
347 -
348 -[[image:image-20220602103227-6.png]]
349 -
350 -
351 -[[image:image-20220602103357-7.png]]
352 -
353 -
354 -
355 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
356 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
357 -
358 -
359 -[[image:image-20220602103844-8.png]]
360 -
361 -
362 -
363 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
364 -(% style="color:blue" %)**3. Select the bin file to burn**
365 -
366 -
367 -[[image:image-20220602104144-9.png]]
368 -
369 -
370 -[[image:image-20220602104251-10.png]]
371 -
372 -
373 -[[image:image-20220602104402-11.png]]
374 -
375 -
376 -
377 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
378 -(% style="color:blue" %)**4. Click to start the download**
379 -
380 -[[image:image-20220602104923-13.png]]
381 -
382 -
383 -
384 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
385 -(% style="color:blue" %)**5. Check update process**
386 -
387 -
388 -[[image:image-20220602104948-14.png]]
389 -
390 -
391 -
392 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
393 -(% style="color:blue" %)**The following picture shows that the burning is successful**
394 -
395 -[[image:image-20220602105251-15.png]]
396 -
397 -
398 -
399 -= 3.  LA66 USB LoRaWAN Adapter =
400 -
401 -
402 -== 3.1  Overview ==
403 -
404 -
405 -[[image:image-20220715001142-3.png||height="145" width="220"]]
406 -
407 -
408 -(((
409 -(% 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.
410 -)))
411 -
412 -(((
413 -(% 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.
414 -)))
415 -
416 -(((
417 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
418 -)))
419 -
420 -(((
421 -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.
422 -)))
423 -
424 -(((
425 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
426 -)))
427 -
428 -
429 -
430 -== 3.2  Features ==
431 -
432 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
433 -* Ultra-long RF range
434 -* Support LoRaWAN v1.0.4 protocol
435 -* Support peer-to-peer protocol
436 -* TCXO crystal to ensure RF performance on low temperature
437 -* Spring RF antenna
438 -* Available in different frequency LoRaWAN frequency bands.
439 -* World-wide unique OTAA keys.
440 -* AT Command via UART-TTL interface
441 -* Firmware upgradable via UART interface
442 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
443 -
444 -== 3.3  Specification ==
445 -
446 -* CPU: 32-bit 48 MHz
447 -* Flash: 256KB
448 -* RAM: 64KB
449 -* Input Power Range: 5v
450 -* Frequency Range: 150 MHz ~~ 960 MHz
451 -* Maximum Power +22 dBm constant RF output
452 -* High sensitivity: -148 dBm
453 -* Temperature:
454 -** Storage: -55 ~~ +125℃
455 -** Operating: -40 ~~ +85℃
456 -* Humidity:
457 -** Storage: 5 ~~ 95% (Non-Condensing)
458 -** Operating: 10 ~~ 95% (Non-Condensing)
459 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
460 -* LoRa Rx current: <9 mA
461 -
462 -== 3.4  Pin Mapping & LED ==
463 -
464 -
465 -
466 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
467 -
468 -
469 -(((
470 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
471 -)))
472 -
473 -
474 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
475 -
476 -
477 -[[image:image-20220723100027-1.png]]
478 -
479 -
480 -Open the serial port tool
481 -
482 -[[image:image-20220602161617-8.png]]
483 -
484 -[[image:image-20220602161718-9.png||height="457" width="800"]]
485 -
486 -
487 -
488 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
489 -
490 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
491 -
492 -
493 -[[image:image-20220602161935-10.png||height="498" width="800"]]
494 -
495 -
496 -
497 -(% style="color:blue" %)**3. See Uplink Command**
498 -
499 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
500 -
501 -example: AT+SENDB=01,02,8,05820802581ea0a5
502 -
503 -[[image:image-20220602162157-11.png||height="497" width="800"]]
504 -
505 -
506 -
507 -(% style="color:blue" %)**4. Check to see if TTN received the message**
508 -
509 -[[image:image-20220602162331-12.png||height="420" width="800"]]
510 -
511 -
512 -
513 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
514 -
515 -
516 -**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]]
517 -
518 -(**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]])
519 -
520 -(% style="color:red" %)**Preconditions:**
521 -
522 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
523 -
524 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
525 -
526 -
527 -
528 -(% style="color:blue" %)**Steps for usage:**
529 -
530 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
531 -
532 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
533 -
534 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
535 -
536 -
537 -
538 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
539 -
540 -
541 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
542 -
543 -
544 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
545 -
546 -[[image:image-20220723100439-2.png]]
547 -
548 -
549 -
550 -(% style="color:blue" %)**2. Install Minicom in RPi.**
551 -
552 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
553 -
554 - (% style="background-color:yellow" %)**apt update**
555 -
556 - (% style="background-color:yellow" %)**apt install minicom**
557 -
558 -
559 -Use minicom to connect to the RPI's terminal
560 -
561 -[[image:image-20220602153146-3.png||height="439" width="500"]]
562 -
563 -
564 -
565 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
566 -
567 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
568 -
569 -
570 -[[image:image-20220602154928-5.png||height="436" width="500"]]
571 -
572 -
573 -
574 -(% style="color:blue" %)**4. Send Uplink message**
575 -
576 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
577 -
578 -example: AT+SENDB=01,02,8,05820802581ea0a5
579 -
580 -
581 -[[image:image-20220602160339-6.png||height="517" width="600"]]
582 -
583 -
584 -
585 -Check to see if TTN received the message
586 -
587 -[[image:image-20220602160627-7.png||height="369" width="800"]]
588 -
589 -
590 -
591 -== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
592 -
593 -
594 -=== 3.8.1  DRAGINO-LA66-APP ===
595 -
596 -
597 -[[image:image-20220723102027-3.png]]
598 -
599 -
600 -
601 -==== (% style="color:blue" %)**Overview：**(%%) ====
602 -
603 -
604 -(((
605 -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.
606 -)))
607 -
608 -(((
609 -View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
610 -)))
611 -
612 -
613 -
614 -==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
615 -
616 -
617 -Requires a type-c to USB adapter
618 -
619 -[[image:image-20220723104754-4.png]]
620 -
621 -
622 -
623 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
624 -
625 -
626 -Function and page introduction
627 -
628 -[[image:image-20220723113448-7.png||height="1481" width="670"]]
629 -
630 -
631 -1.Display LA66 USB LoRaWAN Module connection status
632 -
633 -2.Check and reconnect
634 -
635 -3.Turn send timestamps on or off
636 -
637 -4.Display LoRaWan connection status
638 -
639 -5.Check LoRaWan connection status
640 -
641 -6.The RSSI value of the node when the ACK is received
642 -
643 -7.Node's Signal Strength Icon
644 -
645 -8.Set the packet sending interval of the node in seconds
646 -
647 -9.AT command input box
648 -
649 -10.Send AT command button
650 -
651 -11.Node log box
652 -
653 -12.clear log button
654 -
655 -13.exit button
656 -
657 -
658 -LA66 USB LoRaWAN Module not connected
659 -
660 -[[image:image-20220723110520-5.png||height="903" width="677"]]
661 -
662 -
663 -
664 -Connect LA66 USB LoRaWAN Module
665 -
666 -[[image:image-20220723110626-6.png||height="906" width="680"]]
667 -
668 -
669 -
670 -=== 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 ===
671 -
672 -
673 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
674 -
675 -[[image:image-20220723134549-8.png]]
676 -
677 -
678 -
679 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
680 -
681 -Sample JSON file please go to this link to download：放置JSON文件的链接
682 -
683 -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/]]
684 -
685 -The following is the positioning effect map
686 -
687 -[[image:image-20220723144339-1.png]]
688 -
689 -
690 -
691 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
692 -
693 -
694 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
695 -
696 -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)
697 -
698 -[[image:image-20220723150132-2.png]]
699 -
700 -
701 -
702 -= 4.  FAQ =
703 -
704 -
705 -== 4.1  How to Compile Source Code for LA66? ==
706 -
707 -
708 -Compile and Upload Code to ASR6601 Platform ：
709 -
710 -
711 -
712 -= 5.  Order Info =
713 -
714 -
715 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
716 -
717 -
718 -(% style="color:blue" %)**XXX**(%%): The default frequency band
719 -
720 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
721 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
722 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
723 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
724 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
725 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
726 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
727 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
728 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
729 -
730 -
731 -
732 -= 6.  Reference =
733 -
734 -
735 -* 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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