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Last modified by Xiaoling on 2023/09/19 09:20
From version 134.9
edited by Xiaoling
on 2022/07/26 10:46
Change comment: There is no comment for this version
To version 162.5
edited by Xiaoling
on 2023/09/18 16:35
Change comment: There is no comment for this version

Summary

Details

Page properties
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
... ... @@ -62,8 +62,10 @@
62 62  * Firmware upgradable via UART interface
63 63  * Ultra-long RF range
64 64  
64 +
65 65  == 1.3  Specification ==
66 66  
67 +
67 67  * CPU: 32-bit 48 MHz
68 68  * Flash: 256KB
69 69  * RAM: 64KB
... ... @@ -82,638 +82,177 @@
82 82  * LoRa Rx current: <9 mA
83 83  * I/O Voltage: 3.3v
84 84  
86 +
85 85  == 1.4  AT Command ==
86 86  
87 87  
88 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
90 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in[[ AT Command documents>>https://www.dropbox.com/scl/fi/s3i58dyuh2zpwxfzcks9d/Accuhealth-LA66-AT-commands.pdf?rlkey=059co9isdbddl1h1lb5gy93oy&dl=0]].
89 89  
90 -
91 -
92 92  == 1.5  Dimension ==
93 93  
94 +
94 94  [[image:image-20220718094750-3.png]]
95 95  
96 96  
97 -
98 98  == 1.6  Pin Mapping ==
99 99  
100 100  [[image:image-20220720111850-1.png]]
101 101  
102 102  
103 -
104 104  == 1.7  Land Pattern ==
105 105  
105 +
106 106  [[image:image-20220517072821-2.png]]
107 107  
108 108  
109 += 2.  FAQ =
109 109  
110 -= 2.  LA66 LoRaWAN Shield =
111 +== 2.1  Where to find examples of how to use LA66? ==
111 111  
112 112  
113 -== 2.1  Overview ==
114 +(% class="wikigeneratedid" %)
115 +Below products are made by LA66. User can use their examples as reference:
114 114  
117 +* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
118 +* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
115 115  
116 -(((
117 -[[image:image-20220715000826-2.png||height="145" width="220"]]
118 -)))
119 119  
120 -(((
121 -
122 -)))
121 +== 2.2  How to Compile Source Code for LA66? ==
123 123  
124 -(((
125 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to  Arduino projects.
126 -)))
127 127  
128 -(((
129 -(((
130 -(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely.  This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
131 -)))
132 -)))
124 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
133 133  
134 -(((
135 -(((
136 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
137 -)))
138 -)))
139 139  
140 -(((
141 -(((
142 -Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
143 -)))
144 -)))
127 +== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
145 145  
146 -(((
147 -(((
148 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
149 -)))
150 -)))
151 151  
130 +Yes, this is possible, user can refer[[ the source code from ASR >>https://github.com/asrlora/asr_lora_6601/tree/master/projects/ASR6601SE-EVAL/examples/lora]]to get examples for how to its I/O Interfaces.
152 152  
153 153  
154 -== 2.2  Features ==
133 +== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
155 155  
156 -* Arduino Shield base on LA66 LoRaWAN module
157 -* Support LoRaWAN v1.0.4 protocol
158 -* Support peer-to-peer protocol
159 -* TCXO crystal to ensure RF performance on low temperature
160 -* SMA connector
161 -* Available in different frequency LoRaWAN frequency bands.
162 -* World-wide unique OTAA keys.
163 -* AT Command via UART-TTL interface
164 -* Firmware upgradable via UART interface
165 -* Ultra-long RF range
166 166  
167 -== 2.3  Specification ==
136 +Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.Instruction for LA66 Peer to Peer firmware.WebHome]]
168 168  
169 -* CPU: 32-bit 48 MHz
170 -* Flash: 256KB
171 -* RAM: 64KB
172 -* Input Power Range: 1.8v ~~ 3.7v
173 -* Power Consumption: < 4uA.
174 -* Frequency Range: 150 MHz ~~ 960 MHz
175 -* Maximum Power +22 dBm constant RF output
176 -* High sensitivity: -148 dBm
177 -* Temperature:
178 -** Storage: -55 ~~ +125℃
179 -** Operating: -40 ~~ +85℃
180 -* Humidity:
181 -** Storage: 5 ~~ 95% (Non-Condensing)
182 -** Operating: 10 ~~ 95% (Non-Condensing)
183 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
184 -* LoRa Rx current: <9 mA
185 -* I/O Voltage: 3.3v
186 186  
187 -== 2.4  LED ==
139 +== 2.5 How can i use J-LInk to debug LA66? ==
188 188  
189 189  
190 -~1. The LED lights up red when there is an upstream data packet
191 -2. When the network is successfully connected, the green light will be on for 5 seconds
192 -3. Purple light on when receiving downlink data packets
142 +(% style="color:#037691" %)**The steps are as follows:**
193 193  
194 194  
145 +(% style="color:blue" %)**1. Install J-Link software from**
195 195  
196 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
147 +[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]]
197 197  
198 198  
199 -**Show connection diagram：**
150 +(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
200 200  
201 201  
202 -[[image:image-20220723170210-2.png||height="908" width="681"]]
153 +[[image:image-20230605151850-1.png||height="676" width="640"]]
203 203  
204 204  
156 +[[image:image-20230605151850-2.png]]
205 205  
206 -(% style="color:blue" %)**1.  open Arduino IDE**
158 +(% style="display:none" %) (%%)
207 207  
160 +(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
208 208  
209 -[[image:image-20220723170545-4.png]]
210 210  
163 +**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
211 211  
165 +**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
212 212  
213 -(% style="color:blue" %)**2.  Open project**
167 +**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)**
214 214  
169 +**LA66 GND  < ~-~- > JLINK GND (Pin 8)**
215 215  
216 -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]]
171 +[[image:image-20230605151850-3.png||height="629" width="1182"]]
217 217  
173 +(% style="display:none" %) (%%)
218 218  
175 +(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\**
219 219  
220 -(% 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**
177 +(% style="display:none" %) [[image:image-20230605151850-4.png]]
221 221  
222 222  
180 +**Add ASR6601 256KB Flash to Flash Download**
223 223  
224 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
182 +[[image:image-20230605152412-12.png]]
225 225  
226 226  
227 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
185 +[[image:image-20230605151851-6.png]]
228 228  
229 229  
188 +(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
230 230  
231 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
232 232  
191 +[[image:image-20230605151851-7.png]]
233 233  
234 -(% style="color:blue" %)**1.  Open project**
193 +[[image:image-20230605151851-8.png]]
235 235  
236 236  
237 -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]]
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.**
238 238  
239 239  
240 -[[image:image-20220723172502-8.png]]
199 +(% style="color:blue" %)**6. Comment the low power function in main.c.**
241 241  
242 242  
202 +[[image:image-20230605151851-9.png]]
243 243  
244 -(% 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**
245 245  
205 +(% style="color:blue" %)**Click Debug mode to debug.**
246 246  
247 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
207 +[[image:image-20230605151851-10.png||height="293" width="1275"]]
248 248  
249 249  
210 +[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %)
250 250  
251 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
212 +(% style="display:none" %) (%%)
252 252  
214 += 3.  Order Info =
253 253  
254 -(% style="color:blue" %)**1.  Open project**
255 255  
217 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
256 256  
257 -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]]
219 +(% style="color:blue" %)**XXX**(%%): The default frequency band
258 258  
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
259 259  
260 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
261 261  
232 += 4.  FCC Statement =
262 262  
263 263  
264 -(% 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**
235 +(% style="color:red" %)**FCC Caution:**
265 265  
237 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
266 266  
267 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
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.
268 268  
269 269  
242 +(% style="color:red" %)**IMPORTANT NOTE: **
270 270  
271 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
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:
272 272  
273 -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 +—Reorient or relocate the receiving antenna.
274 274  
275 -[[image:image-20220723175700-12.png||height="602" width="995"]]
248 +—Increase the separation between the equipment and receiver.
276 276  
250 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
277 277  
252 +—Consult the dealer or an experienced radio/TV technician for help.
278 278  
279 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
280 280  
255 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
281 281  
282 -=== 2.8.1  Items needed for update ===
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.
283 283  
284 -
285 -1. LA66 LoRaWAN Shield
286 -1. Arduino
287 -1. USB TO TTL Adapter
288 -
289 -[[image:image-20220602100052-2.png||height="385" width="600"]]
290 -
291 -
292 -=== 2.8.2  Connection ===
293 -
294 -
295 -[[image:image-20220602101311-3.png||height="276" width="600"]]
296 -
297 -
298 -(((
299 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
300 -)))
301 -
302 -(((
303 -(% style="background-color:yellow" %)**GND  <-> GND
304 -TXD  <->  TXD
305 -RXD  <->  RXD**
306 -)))
307 -
308 -
309 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
310 -
311 -Connect USB TTL Adapter to PC after connecting the wires
312 -
313 -
314 -[[image:image-20220602102240-4.png||height="304" width="600"]]
315 -
316 -
317 -=== 2.8.3  Upgrade steps ===
318 -
319 -
320 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
321 -
322 -
323 -[[image:image-20220602102824-5.png||height="306" width="600"]]
324 -
325 -
326 -
327 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
328 -
329 -
330 -[[image:image-20220602104701-12.png||height="285" width="600"]]
331 -
332 -
333 -
334 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
335 -
336 -
337 -(((
338 -(% 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/]]**
339 -)))
340 -
341 -
342 -[[image:image-20220602103227-6.png]]
343 -
344 -
345 -[[image:image-20220602103357-7.png]]
346 -
347 -
348 -
349 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
350 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
351 -
352 -
353 -[[image:image-20220602103844-8.png]]
354 -
355 -
356 -
357 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
358 -(% style="color:blue" %)**3. Select the bin file to burn**
359 -
360 -
361 -[[image:image-20220602104144-9.png]]
362 -
363 -
364 -[[image:image-20220602104251-10.png]]
365 -
366 -
367 -[[image:image-20220602104402-11.png]]
368 -
369 -
370 -
371 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
372 -(% style="color:blue" %)**4. Click to start the download**
373 -
374 -[[image:image-20220602104923-13.png]]
375 -
376 -
377 -
378 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
379 -(% style="color:blue" %)**5. Check update process**
380 -
381 -
382 -[[image:image-20220602104948-14.png]]
383 -
384 -
385 -
386 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
387 -(% style="color:blue" %)**The following picture shows that the burning is successful**
388 -
389 -[[image:image-20220602105251-15.png]]
390 -
391 -
392 -
393 -= 3.  LA66 USB LoRaWAN Adapter =
394 -
395 -
396 -== 3.1  Overview ==
397 -
398 -
399 -[[image:image-20220715001142-3.png||height="145" width="220"]]
400 -
401 -
402 -(((
403 -(% 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.
404 -)))
405 -
406 -(((
407 -(% 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.
408 -)))
409 -
410 -(((
411 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
412 -)))
413 -
414 -(((
415 -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.
416 -)))
417 -
418 -(((
419 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
420 -)))
421 -
422 -
423 -
424 -== 3.2  Features ==
425 -
426 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
427 -* Ultra-long RF range
428 -* Support LoRaWAN v1.0.4 protocol
429 -* Support peer-to-peer protocol
430 -* TCXO crystal to ensure RF performance on low temperature
431 -* Spring RF antenna
432 -* Available in different frequency LoRaWAN frequency bands.
433 -* World-wide unique OTAA keys.
434 -* AT Command via UART-TTL interface
435 -* Firmware upgradable via UART interface
436 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
437 -
438 -== 3.3  Specification ==
439 -
440 -* CPU: 32-bit 48 MHz
441 -* Flash: 256KB
442 -* RAM: 64KB
443 -* Input Power Range: 5v
444 -* Frequency Range: 150 MHz ~~ 960 MHz
445 -* Maximum Power +22 dBm constant RF output
446 -* High sensitivity: -148 dBm
447 -* Temperature:
448 -** Storage: -55 ~~ +125℃
449 -** Operating: -40 ~~ +85℃
450 -* Humidity:
451 -** Storage: 5 ~~ 95% (Non-Condensing)
452 -** Operating: 10 ~~ 95% (Non-Condensing)
453 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
454 -* LoRa Rx current: <9 mA
455 -
456 -== 3.4  Pin Mapping & LED ==
457 -
458 -
459 -
460 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
461 -
462 -
463 -(((
464 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
465 -)))
466 -
467 -
468 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
469 -
470 -
471 -[[image:image-20220723100027-1.png]]
472 -
473 -
474 -Open the serial port tool
475 -
476 -[[image:image-20220602161617-8.png]]
477 -
478 -[[image:image-20220602161718-9.png||height="457" width="800"]]
479 -
480 -
481 -
482 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
483 -
484 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
485 -
486 -
487 -[[image:image-20220602161935-10.png||height="498" width="800"]]
488 -
489 -
490 -
491 -(% style="color:blue" %)**3. See Uplink Command**
492 -
493 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
494 -
495 -example: AT+SENDB=01,02,8,05820802581ea0a5
496 -
497 -[[image:image-20220602162157-11.png||height="497" width="800"]]
498 -
499 -
500 -
501 -(% style="color:blue" %)**4. Check to see if TTN received the message**
502 -
503 -[[image:image-20220602162331-12.png||height="420" width="800"]]
504 -
505 -
506 -
507 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
508 -
509 -
510 -**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]]
511 -
512 -(**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]])
513 -
514 -(% style="color:red" %)**Preconditions:**
515 -
516 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
517 -
518 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
519 -
520 -
521 -
522 -(% style="color:blue" %)**Steps for usage:**
523 -
524 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
525 -
526 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
527 -
528 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
529 -
530 -
531 -
532 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
533 -
534 -
535 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
536 -
537 -
538 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
539 -
540 -[[image:image-20220723100439-2.png]]
541 -
542 -
543 -
544 -(% style="color:blue" %)**2. Install Minicom in RPi.**
545 -
546 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
547 -
548 - (% style="background-color:yellow" %)**apt update**
549 -
550 - (% style="background-color:yellow" %)**apt install minicom**
551 -
552 -
553 -Use minicom to connect to the RPI's terminal
554 -
555 -[[image:image-20220602153146-3.png||height="439" width="500"]]
556 -
557 -
558 -
559 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
560 -
561 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
562 -
563 -
564 -[[image:image-20220602154928-5.png||height="436" width="500"]]
565 -
566 -
567 -
568 -(% style="color:blue" %)**4. Send Uplink message**
569 -
570 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
571 -
572 -example: AT+SENDB=01,02,8,05820802581ea0a5
573 -
574 -
575 -[[image:image-20220602160339-6.png||height="517" width="600"]]
576 -
577 -
578 -
579 -Check to see if TTN received the message
580 -
581 -[[image:image-20220602160627-7.png||height="369" width="800"]]
582 -
583 -
584 -
585 -== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
586 -
587 -
588 -=== 3.8.1 DRAGINO-LA66-APP ===
589 -
590 -
591 -[[image:image-20220723102027-3.png]]
592 -
593 -
594 -
595 -==== (% style="color:blue" %)**Overview：**(%%) ====
596 -
597 -
598 -(((
599 -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.
600 -)))
601 -
602 -(((
603 -View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
604 -)))
605 -
606 -
607 -
608 -==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
609 -
610 -
611 -Requires a type-c to USB adapter
612 -
613 -[[image:image-20220723104754-4.png]]
614 -
615 -
616 -
617 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
618 -
619 -
620 -Function and page introduction
621 -
622 -[[image:image-20220723113448-7.png||height="1481" width="670"]]
623 -
624 -
625 -1.Display LA66 USB LoRaWAN Module connection status
626 -
627 -2.Check and reconnect
628 -
629 -3.Turn send timestamps on or off
630 -
631 -4.Display LoRaWan connection status
632 -
633 -5.Check LoRaWan connection status
634 -
635 -6.The RSSI value of the node when the ACK is received
636 -
637 -7.Node's Signal Strength Icon
638 -
639 -8.Set the packet sending interval of the node in seconds
640 -
641 -9.AT command input box
642 -
643 -10.Send AT command button
644 -
645 -11.Node log box
646 -
647 -12.clear log button
648 -
649 -13.exit button
650 -
651 -
652 -LA66 USB LoRaWAN Module not connected
653 -
654 -[[image:image-20220723110520-5.png||height="903" width="677"]]
655 -
656 -
657 -
658 -Connect LA66 USB LoRaWAN Module
659 -
660 -[[image:image-20220723110626-6.png||height="906" width="680"]]
661 -
662 -
663 -
664 -=== 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 ===
665 -
666 -
667 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
668 -
669 -[[image:image-20220723134549-8.png]]
670 -
671 -
672 -
673 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
674 -
675 -Sample JSON file please go to this link to download：放置JSON文件的链接
676 -
677 -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/]]
678 -
679 -The following is the positioning effect map
680 -
681 -[[image:image-20220723144339-1.png]]
682 -
683 -
684 -
685 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
686 -
687 -
688 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
689 -
690 -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)
691 -
692 -[[image:image-20220723150132-2.png]]
693 -
694 -
695 -
696 -= 4.  Order Info =
697 -
698 -
699 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
700 -
701 -
702 -(% style="color:blue" %)**XXX**(%%): The default frequency band
703 -
704 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
705 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
706 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
707 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
708 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
709 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
710 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
711 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
712 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
713 -
714 -
715 -
716 -= 5.  Reference =
717 -
718 -
719 -* 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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