Last modified by Xiaoling on 2023/09/19 09:20
<
From version < 139.2 >
edited by Edwin Chen
on 2022/08/13 18:09
To version < 162.3 >
edited by Xiaoling
on 2023/06/05 15:35
>
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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.Edwin
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  
... ... @@ -49,11 +49,10 @@
49 49  )))
50 50  
51 51  
52 -
53 53  == 1.2  Features ==
54 54  
55 55  
56 -* Support LoRaWAN v1.0.4 protocol
54 +* Support LoRaWAN v1.0.3 protocol
57 57  * Support peer-to-peer protocol
58 58  * TCXO crystal to ensure RF performance on low temperature
59 59  * SMD Antenna pad and i-pex antenna connector
... ... @@ -65,7 +65,6 @@
65 65  
66 66  
67 67  
68 -
69 69  == 1.3  Specification ==
70 70  
71 71  
... ... @@ -89,26 +89,23 @@
89 89  
90 90  
91 91  
92 -
93 93  == 1.4  AT Command ==
94 94  
95 95  
96 -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]].
97 97  
98 98  
99 -
100 100  == 1.5  Dimension ==
101 101  
97 +
102 102  [[image:image-20220718094750-3.png]]
103 103  
104 104  
105 -
106 106  == 1.6  Pin Mapping ==
107 107  
108 108  [[image:image-20220720111850-1.png]]
109 109  
110 110  
111 -
112 112  == 1.7  Land Pattern ==
113 113  
114 114  
... ... @@ -115,651 +115,154 @@
115 115  [[image:image-20220517072821-2.png]]
116 116  
117 117  
112 += 2.  FAQ =
118 118  
119 -= 2.  LA66 LoRaWAN Shield =
114 +== 2.1  Where to find examples of how to use LA66? ==
120 120  
121 121  
122 -== 2.1  Overview ==
117 +(% class="wikigeneratedid" %)
118 +Below products are made by LA66. User can use their examples as reference:
123 123  
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]]
124 124  
125 -(((
126 -[[image:image-20220715000826-2.png||height="145" width="220"]]
127 -)))
128 128  
129 -(((
130 -
131 -)))
132 132  
133 -(((
134 -(% 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.
135 -)))
125 +== 2.2  How to Compile Source Code for LA66? ==
136 136  
137 -(((
138 -(((
139 -(% 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.
140 -)))
141 -)))
142 142  
143 -(((
144 -(((
145 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
146 -)))
147 -)))
128 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
148 148  
149 -(((
150 -(((
151 -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.
152 -)))
153 -)))
154 154  
155 -(((
156 -(((
157 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
158 -)))
159 -)))
131 +== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
160 160  
161 161  
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.
162 162  
163 -== 2.2  Features ==
164 164  
137 +== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
165 165  
166 -* Arduino Shield base on LA66 LoRaWAN module
167 -* Support LoRaWAN v1.0.4 protocol
168 -* Support peer-to-peer protocol
169 -* TCXO crystal to ensure RF performance on low temperature
170 -* SMA connector
171 -* Available in different frequency LoRaWAN frequency bands.
172 -* World-wide unique OTAA keys.
173 -* AT Command via UART-TTL interface
174 -* Firmware upgradable via UART interface
175 -* Ultra-long RF range
176 176  
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]]
177 177  
178 178  
143 +== 2.5 How can i use J-LInk to debug LA66? ==
179 179  
180 -== 2.3  Specification ==
181 181  
146 +(% style="color:#037691" %)**The steps are as follows:**
182 182  
183 -* CPU: 32-bit 48 MHz
184 -* Flash: 256KB
185 -* RAM: 64KB
186 -* Input Power Range: 1.8v ~~ 3.7v
187 -* Power Consumption: < 4uA.
188 -* Frequency Range: 150 MHz ~~ 960 MHz
189 -* Maximum Power +22 dBm constant RF output
190 -* High sensitivity: -148 dBm
191 -* Temperature:
192 -** Storage: -55 ~~ +125℃
193 -** Operating: -40 ~~ +85℃
194 -* Humidity:
195 -** Storage: 5 ~~ 95% (Non-Condensing)
196 -** Operating: 10 ~~ 95% (Non-Condensing)
197 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
198 -* LoRa Rx current: <9 mA
199 -* I/O Voltage: 3.3v
200 200  
149 +(% style="color:blue" %)**1. Install J-Link software from**
201 201  
151 +[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]]
202 202  
203 203  
204 -== 2.4  LED ==
154 +(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
205 205  
206 206  
207 -~1. The LED lights up red when there is an upstream data packet
208 -2. When the network is successfully connected, the green light will be on for 5 seconds
209 -3. Purple light on when receiving downlink data packets
157 +[[image:image-20230605151850-1.png]]
210 210  
211 211  
160 +[[image:image-20230605151850-2.png]]
212 212  
213 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
214 214  
163 +(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
215 215  
216 -**Show connection diagram：**
165 +**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
217 217  
167 +**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
218 218  
219 -[[image:image-20220723170210-2.png||height="908" width="681"]]
169 +**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)**
220 220  
171 +**LA66 GND  < ~-~- > JLINK GND (Pin 8)**
221 221  
173 +[[image:image-20230605151850-3.png||height="629" width="1182"]]
222 222  
223 -(% style="color:blue" %)**1.  open Arduino IDE**
175 +(% style="display:none" %) (%%)
224 224  
177 +(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\**
225 225  
226 -[[image:image-20220723170545-4.png]]
179 +(% style="display:none" %) [[image:image-20230605151850-4.png]]
227 227  
228 228  
182 +**Add ASR6601 256KB Flash to Flash Download**
229 229  
230 -(% style="color:blue" %)**2.  Open project**
184 +[[image:image-20230605152412-12.png]]
231 231  
232 232  
233 -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]]
187 +[[image:image-20230605151851-6.png]]
234 234  
235 -[[image:image-20220726135239-1.png]]
236 236  
190 +(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
237 237  
238 -(% 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**
239 239  
240 -[[image:image-20220726135356-2.png]]
193 +[[image:image-20230605151851-7.png]]
241 241  
195 +[[image:image-20230605151851-8.png]]
242 242  
243 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
244 244  
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.**
245 245  
246 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
247 247  
201 +(% style="color:blue" %)**6. Comment the low power function in main.c.**
248 248  
249 249  
250 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
204 +[[image:image-20230605151851-9.png]]
251 251  
252 252  
253 -(% style="color:blue" %)**1.  Open project**
207 +(% style="color:blue" %)**Click Debug mode to debug.**
254 254  
209 +[[image:image-20230605151851-10.png||height="293" width="1275"]]
255 255  
256 -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]]
257 257  
212 +[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %)
258 258  
259 -[[image:image-20220723172502-8.png]]
214 +(% style="display:none" %) (%%)
260 260  
216 += 3.  Order Info =
261 261  
262 262  
263 -(% 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**
219 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
264 264  
221 +(% style="color:blue" %)**XXX**(%%): The default frequency band
265 265  
266 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
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
267 267  
268 268  
269 269  
270 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
235 += 4.  FCC Statement =
271 271  
272 272  
273 -(% style="color:blue" %)**1.  Open project**
238 +(% style="color:red" %)**FCC Caution:**
274 274  
240 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
275 275  
276 -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]]
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.
277 277  
278 278  
279 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
245 +(% style="color:red" %)**IMPORTANT NOTE: **
280 280  
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:
281 281  
249 +—Reorient or relocate the receiving antenna.
282 282  
283 -(% 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**
251 +—Increase the separation between the equipment and receiver.
284 284  
253 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
285 285  
286 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
255 +—Consult the dealer or an experienced radio/TV technician for help.
287 287  
288 288  
258 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
289 289  
290 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
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.
291 291  
292 -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/]]
293 -
294 -[[image:image-20220723175700-12.png||height="602" width="995"]]
295 -
296 -
297 -
298 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
299 -
300 -
301 -=== 2.8.1  Items needed for update ===
302 -
303 -
304 -1. LA66 LoRaWAN Shield
305 -1. Arduino
306 -1. USB TO TTL Adapter
307 -
308 -[[image:image-20220602100052-2.png||height="385" width="600"]]
309 -
310 -
311 -
312 -=== 2.8.2  Connection ===
313 -
314 -
315 -[[image:image-20220602101311-3.png||height="276" width="600"]]
316 -
317 -
318 -(((
319 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
320 -)))
321 -
322 -(((
323 -(% style="background-color:yellow" %)**GND  <-> GND
324 -TXD  <->  TXD
325 -RXD  <->  RXD**
326 -)))
327 -
328 -
329 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
330 -
331 -Connect USB TTL Adapter to PC after connecting the wires
332 -
333 -
334 -[[image:image-20220602102240-4.png||height="304" width="600"]]
335 -
336 -
337 -
338 -=== 2.8.3  Upgrade steps ===
339 -
340 -
341 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
342 -
343 -
344 -[[image:image-20220602102824-5.png||height="306" width="600"]]
345 -
346 -
347 -
348 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
349 -
350 -
351 -[[image:image-20220602104701-12.png||height="285" width="600"]]
352 -
353 -
354 -
355 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
356 -
357 -
358 -(((
359 -(% 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/]]**
360 -)))
361 -
362 -
363 -[[image:image-20220602103227-6.png]]
364 -
365 -
366 -[[image:image-20220602103357-7.png]]
367 -
368 -
369 -
370 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
371 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
372 -
373 -
374 -[[image:image-20220602103844-8.png]]
375 -
376 -
377 -
378 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
379 -(% style="color:blue" %)**3. Select the bin file to burn**
380 -
381 -
382 -[[image:image-20220602104144-9.png]]
383 -
384 -
385 -[[image:image-20220602104251-10.png]]
386 -
387 -
388 -[[image:image-20220602104402-11.png]]
389 -
390 -
391 -
392 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
393 -(% style="color:blue" %)**4. Click to start the download**
394 -
395 -[[image:image-20220602104923-13.png]]
396 -
397 -
398 -
399 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
400 -(% style="color:blue" %)**5. Check update process**
401 -
402 -
403 -[[image:image-20220602104948-14.png]]
404 -
405 -
406 -
407 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
408 -(% style="color:blue" %)**The following picture shows that the burning is successful**
409 -
410 -[[image:image-20220602105251-15.png]]
411 -
412 -
413 -
414 -= 3.  LA66 USB LoRaWAN Adapter =
415 -
416 -
417 -== 3.1  Overview ==
418 -
419 -
420 -[[image:image-20220715001142-3.png||height="145" width="220"]]
421 -
422 -
423 -(((
424 -(% 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.
425 -)))
426 -
427 -(((
428 -(% 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.
429 -)))
430 -
431 -(((
432 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
433 -)))
434 -
435 -(((
436 -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.
437 -)))
438 -
439 -(((
440 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
441 -)))
442 -
443 -
444 -
445 -== 3.2  Features ==
446 -
447 -
448 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
449 -* Ultra-long RF range
450 -* Support LoRaWAN v1.0.4 protocol
451 -* Support peer-to-peer protocol
452 -* TCXO crystal to ensure RF performance on low temperature
453 -* Spring RF antenna
454 -* Available in different frequency LoRaWAN frequency bands.
455 -* World-wide unique OTAA keys.
456 -* AT Command via UART-TTL interface
457 -* Firmware upgradable via UART interface
458 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
459 -
460 -
461 -
462 -
463 -== 3.3  Specification ==
464 -
465 -
466 -* CPU: 32-bit 48 MHz
467 -* Flash: 256KB
468 -* RAM: 64KB
469 -* Input Power Range: 5v
470 -* Frequency Range: 150 MHz ~~ 960 MHz
471 -* Maximum Power +22 dBm constant RF output
472 -* High sensitivity: -148 dBm
473 -* Temperature:
474 -** Storage: -55 ~~ +125℃
475 -** Operating: -40 ~~ +85℃
476 -* Humidity:
477 -** Storage: 5 ~~ 95% (Non-Condensing)
478 -** Operating: 10 ~~ 95% (Non-Condensing)
479 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
480 -* LoRa Rx current: <9 mA
481 -
482 -
483 -
484 -
485 -== 3.4  Pin Mapping & LED ==
486 -
487 -
488 -
489 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
490 -
491 -
492 -(((
493 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
494 -)))
495 -
496 -
497 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
498 -
499 -
500 -[[image:image-20220723100027-1.png]]
501 -
502 -
503 -Open the serial port tool
504 -
505 -[[image:image-20220602161617-8.png]]
506 -
507 -[[image:image-20220602161718-9.png||height="457" width="800"]]
508 -
509 -
510 -
511 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
512 -
513 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
514 -
515 -
516 -[[image:image-20220602161935-10.png||height="498" width="800"]]
517 -
518 -
519 -
520 -(% style="color:blue" %)**3. See Uplink Command**
521 -
522 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
523 -
524 -example: AT+SENDB=01,02,8,05820802581ea0a5
525 -
526 -[[image:image-20220602162157-11.png||height="497" width="800"]]
527 -
528 -
529 -
530 -(% style="color:blue" %)**4. Check to see if TTN received the message**
531 -
532 -[[image:image-20220602162331-12.png||height="420" width="800"]]
533 -
534 -
535 -
536 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
537 -
538 -
539 -**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]]
540 -
541 -(**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]])
542 -
543 -(% style="color:red" %)**Preconditions:**
544 -
545 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
546 -
547 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
548 -
549 -
550 -
551 -(% style="color:blue" %)**Steps for usage:**
552 -
553 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
554 -
555 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
556 -
557 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
558 -
559 -
560 -
561 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
562 -
563 -
564 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
565 -
566 -
567 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
568 -
569 -[[image:image-20220723100439-2.png]]
570 -
571 -
572 -
573 -(% style="color:blue" %)**2. Install Minicom in RPi.**
574 -
575 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
576 -
577 - (% style="background-color:yellow" %)**apt update**
578 -
579 - (% style="background-color:yellow" %)**apt install minicom**
580 -
581 -
582 -Use minicom to connect to the RPI's terminal
583 -
584 -[[image:image-20220602153146-3.png||height="439" width="500"]]
585 -
586 -
587 -
588 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
589 -
590 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
591 -
592 -
593 -[[image:image-20220602154928-5.png||height="436" width="500"]]
594 -
595 -
596 -
597 -(% style="color:blue" %)**4. Send Uplink message**
598 -
599 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
600 -
601 -example: AT+SENDB=01,02,8,05820802581ea0a5
602 -
603 -
604 -[[image:image-20220602160339-6.png||height="517" width="600"]]
605 -
606 -
607 -
608 -Check to see if TTN received the message
609 -
610 -[[image:image-20220602160627-7.png||height="369" width="800"]]
611 -
612 -
613 -
614 -== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
615 -
616 -
617 -=== 3.8.1  Hardware and Software Connection ===
618 -
619 -
620 -==== (% style="color:blue" %)**Overview：**(%%) ====
621 -
622 -
623 -(((
624 -DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
625 -
626 -* Send real-time location information of mobile phone to LoRaWAN network.
627 -* Check LoRaWAN network signal strengh.
628 -* Manually send messages to LoRaWAN network.
629 -)))
630 -
631 -
632 -
633 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
634 -
635 -A USB to Type-C adapter is needed to connect to a Mobile phone.
636 -
637 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
638 -
639 -[[image:image-20220813174353-2.png||height="360" width="313"]]
640 -
641 -
642 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
643 -
644 -[[(% id="cke_bm_895007S" style="display:none" %)** **(%%)**Download Link for Android apk **>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]].  (Android Version Only)
645 -
646 -[[image:image-20220813173738-1.png]]
647 -
648 -
649 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
650 -
651 -Function and page introduction
652 -
653 -[[image:image-20220723113448-7.png||height="995" width="450"]]
654 -
655 -**Block Explain:**
656 -
657 -1.  Display LA66 USB LoRaWAN Module connection status
658 -
659 -2.  Check and reconnect
660 -
661 -3.  Turn send timestamps on or off
662 -
663 -4.  Display LoRaWan connection status
664 -
665 -5.  Check LoRaWan connection status
666 -
667 -6.  The RSSI value of the node when the ACK is received
668 -
669 -7.  Node's Signal Strength Icon
670 -
671 -8.  Configure Location Uplink Interval
672 -
673 -9.  AT command input box
674 -
675 -10.  Send Button:  Send input box info to LA66 USB Adapter
676 -
677 -11.  Output Log from LA66 USB adapter
678 -
679 -12.  clear log button
680 -
681 -13.  exit button
682 -
683 -
684 -LA66 USB LoRaWAN Module not connected
685 -
686 -[[image:image-20220723110520-5.png||height="677" width="508"]]
687 -
688 -
689 -
690 -Connect LA66 USB LoRaWAN Module
691 -
692 -[[image:image-20220723110626-6.png||height="681" width="511"]]
693 -
694 -
695 -
696 -=== 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 ===
697 -
698 -
699 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
700 -
701 -[[image:image-20220723134549-8.png]]
702 -
703 -
704 -
705 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
706 -
707 -Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
708 -
709 -For the usage of Node-RED, please refer to: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]]
710 -
711 -After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
712 -
713 -
714 -Example output in NodeRed is as below:
715 -
716 -[[image:image-20220723144339-1.png]]
717 -
718 -
719 -
720 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
721 -
722 -
723 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
724 -
725 -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)
726 -
727 -[[image:image-20220723150132-2.png]]
728 -
729 -
730 -
731 -= 4.  FAQ =
732 -
733 -
734 -== 4.1  How to Compile Source Code for LA66? ==
735 -
736 -
737 -Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
738 -
739 -
740 -
741 -= 5.  Order Info =
742 -
743 -
744 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
745 -
746 -
747 -(% style="color:blue" %)**XXX**(%%): The default frequency band
748 -
749 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
750 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
751 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
752 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
753 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
754 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
755 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
756 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
757 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
758 -
759 -
760 -
761 -
762 -= 6.  Reference =
763 -
764 -
765 -* 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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