Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 87.8 >
edited by Xiaoling
on 2022/07/13 10:01
To version < 147.2 >
edited by Xiaoling
on 2022/08/17 08:50
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Summary

Details

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Title
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1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Shield User Manual
Content
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1 1  
2 2  
3 +**Table of Contents:**
4 +
3 3  {{toc/}}
4 4  
5 5  
6 6  
7 -= 1.  LA66 LoRaWAN Module =
8 8  
10 += 1.  LA66 LoRaWAN Shield =
9 9  
10 -== 1.1  What is LA66 LoRaWAN Module ==
11 11  
13 +== 1.1  Overview ==
12 12  
13 -(% style="color:blue" %)**Dragino LA66**(%%) is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere.
14 14  
15 -(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 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.
16 +(((
17 +[[image:image-20220715000826-2.png||height="145" width="220"]]
18 +)))
16 16  
20 +(((
21 +
22 +)))
23 +
24 +(((
25 +(% 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.
26 +)))
27 +
28 +(((
29 +(((
30 +(% 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.
31 +)))
32 +)))
33 +
34 +(((
35 +(((
17 17  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 +)))
38 +)))
18 18  
40 +(((
41 +(((
19 19  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.
43 +)))
44 +)))
20 20  
46 +(((
47 +(((
21 21  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 +)))
50 +)))
22 22  
23 23  
53 +
24 24  == 1.2  Features ==
25 25  
26 -* Support LoRaWAN v1.0.4 protocol
27 -* Support peer-to-peer protocol
28 -* TCXO crystal to ensure RF performance on low temperature
29 -* SMD Antenna pad and i-pex antenna connector
30 -* Available in different frequency LoRaWAN frequency bands.
31 -* World-wide unique OTAA keys.
32 -* AT Command via UART-TTL interface
33 -* Firmware upgradable via UART interface
34 -* Ultra-long RF range
35 35  
36 -
37 -
38 -== 1.3  Specification ==
39 -
40 -* CPU: 32-bit 48 MHz
41 -* Flash: 256KB
42 -* RAM: 64KB
43 -* Input Power Range: 1.8v ~~ 3.7v
44 -* Power Consumption: < 4uA.
45 -* Frequency Range: 150 MHz ~~ 960 MHz
46 -* Maximum Power +22 dBm constant RF output
47 -* High sensitivity: -148 dBm
48 -* Temperature:
49 -** Storage: -55 ~~ +125℃
50 -** Operating: -40 ~~ +85℃
51 -* Humidity:
52 -** Storage: 5 ~~ 95% (Non-Condensing)
53 -** Operating: 10 ~~ 95% (Non-Condensing)
54 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
55 -* LoRa Rx current: <9 mA
56 -* I/O Voltage: 3.3v
57 -
58 -
59 -
60 -== 1.4  AT Command ==
61 -
62 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
63 -
64 -
65 -== 1.5  Dimension ==
66 -
67 -[[image:image-20220517072526-1.png]]
68 -
69 -
70 -
71 -== 1.6  Pin Mapping ==
72 -
73 -
74 -[[image:image-20220523101537-1.png]]
75 -
76 -
77 -
78 -== 1.7  Land Pattern ==
79 -
80 -[[image:image-20220517072821-2.png]]
81 -
82 -
83 -
84 -= 2.  LA66 LoRaWAN Shield =
85 -
86 -
87 -== 2.1  Overview ==
88 -
89 -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.
90 -
91 -
92 -== 2.2  Features ==
93 -
94 94  * Arduino Shield base on LA66 LoRaWAN module
95 -* Support LoRaWAN v1.0.4 protocol
58 +* Support LoRaWAN v1.0.3 protocol
96 96  * Support peer-to-peer protocol
97 97  * TCXO crystal to ensure RF performance on low temperature
98 98  * SMA connector
... ... @@ -103,8 +103,8 @@
103 103  * Ultra-long RF range
104 104  
105 105  
69 +== 1.3  Specification ==
106 106  
107 -== 2.3  Specification ==
108 108  
109 109  * CPU: 32-bit 48 MHz
110 110  * Flash: 256KB
... ... @@ -126,303 +126,236 @@
126 126  
127 127  
128 128  
129 -== 2.4  Pin Mapping & LED ==
130 130  
93 +== 1.4  Pin Mapping & LED ==
131 131  
132 132  
133 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
96 +[[image:image-20220817085048-1.png]]
134 134  
98 +~1. The LED lights up red when there is an upstream data packet
99 +2. When the network is successfully connected, the green light will be on for 5 seconds
100 +3. Purple light on when receiving downlink data packets
135 135  
136 136  
137 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
138 138  
104 +== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
139 139  
140 140  
141 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
107 +**Show connection diagram：**
142 142  
143 143  
110 +[[image:image-20220723170210-2.png||height="908" width="681"]]
144 144  
145 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
146 146  
147 147  
148 -=== 2.8.1  Items needed for update ===
114 +(% style="color:blue" %)**1.  open Arduino IDE**
149 149  
150 -1. LA66 LoRaWAN Shield
151 -1. Arduino
152 -1. USB TO TTL Adapter
153 153  
154 -[[image:image-20220602100052-2.png||height="385" width="600"]]
117 +[[image:image-20220723170545-4.png]]
155 155  
156 156  
157 -=== 2.8.2  Connection ===
158 158  
121 +(% style="color:blue" %)**2.  Open project**
159 159  
160 -[[image:image-20220602101311-3.png||height="276" width="600"]]
161 161  
124 +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]]
162 162  
163 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
126 +[[image:image-20220726135239-1.png]]
164 164  
165 -(% style="background-color:yellow" %)**GND  <-> GND
166 -TXD  <->  TXD
167 -RXD  <->  RXD**
168 168  
129 +(% 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**
169 169  
170 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
131 +[[image:image-20220726135356-2.png]]
171 171  
172 -Connect USB TTL Adapter to PC after connecting the wires
173 173  
134 +(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
174 174  
175 -[[image:image-20220602102240-4.png||height="304" width="600"]]
176 176  
137 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
177 177  
178 -=== 2.8.3  Upgrade steps ===
179 179  
180 180  
181 -==== 1.  Switch SW1 to put in ISP position ====
141 +== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
182 182  
183 183  
184 -[[image:image-20220602102824-5.png||height="306" width="600"]]
144 +(% style="color:blue" %)**1.  Open project**
185 185  
186 186  
187 -==== 2.  Press the RST switch once ====
147 +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]]
188 188  
189 -[[image:image-20220602104701-12.png||height="285" width="600"]]
190 190  
150 +[[image:image-20220723172502-8.png]]
191 191  
192 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
193 193  
194 194  
195 -(% 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/]]**
154 +(% 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**
196 196  
197 197  
198 -[[image:image-20220602103227-6.png]]
157 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
199 199  
200 200  
201 -[[image:image-20220602103357-7.png]]
202 202  
161 +== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
203 203  
204 204  
205 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
206 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
164 +(% style="color:blue" %)**1.  Open project**
207 207  
208 208  
209 -[[image:image-20220602103844-8.png]]
167 +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]]
210 210  
211 211  
170 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
212 212  
213 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
214 -(% style="color:blue" %)**3. Select the bin file to burn**
215 215  
216 216  
217 -[[image:image-20220602104144-9.png]]
174 +(% 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**
218 218  
219 219  
220 -[[image:image-20220602104251-10.png]]
177 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
221 221  
222 222  
223 -[[image:image-20220602104402-11.png]]
224 224  
181 +(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
225 225  
183 +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/]]
226 226  
227 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
228 -(% style="color:blue" %)**4. Click to start the download**
185 +[[image:image-20220723175700-12.png||height="602" width="995"]]
229 229  
230 -[[image:image-20220602104923-13.png]]
231 231  
232 232  
233 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
234 -(% style="color:blue" %)**5. Check update process**
189 +== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
235 235  
236 236  
237 -[[image:image-20220602104948-14.png]]
192 +=== 1.8.1  Items needed for update ===
238 238  
239 239  
195 +1. LA66 LoRaWAN Shield
196 +1. Arduino
197 +1. USB TO TTL Adapter
240 240  
241 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
242 -(% style="color:blue" %)**The following picture shows that the burning is successful**
199 +[[image:image-20220602100052-2.png||height="385" width="600"]]
243 243  
244 -[[image:image-20220602105251-15.png]]
245 245  
246 246  
203 +=== 1.8.2  Connection ===
247 247  
248 -= 3.  LA66 USB LoRaWAN Adapter =
249 249  
206 +[[image:image-20220602101311-3.png||height="276" width="600"]]
250 250  
251 -== 3.1  Overview ==
252 252  
253 -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.
209 +(((
210 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
211 +)))
254 254  
213 +(((
214 +(% style="background-color:yellow" %)**GND  <-> GND
215 +TXD  <->  TXD
216 +RXD  <->  RXD**
217 +)))
255 255  
256 -== 3.2  Features ==
257 257  
258 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
259 -* Ultra-long RF range
260 -* Support LoRaWAN v1.0.4 protocol
261 -* Support peer-to-peer protocol
262 -* TCXO crystal to ensure RF performance on low temperature
263 -* Spring RF antenna
264 -* Available in different frequency LoRaWAN frequency bands.
265 -* World-wide unique OTAA keys.
266 -* AT Command via UART-TTL interface
267 -* Firmware upgradable via UART interface
220 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
268 268  
269 -== 3.3  Specification ==
222 +Connect USB TTL Adapter to PC after connecting the wires
270 270  
271 -* CPU: 32-bit 48 MHz
272 -* Flash: 256KB
273 -* RAM: 64KB
274 -* Input Power Range: 5v
275 -* Frequency Range: 150 MHz ~~ 960 MHz
276 -* Maximum Power +22 dBm constant RF output
277 -* High sensitivity: -148 dBm
278 -* Temperature:
279 -** Storage: -55 ~~ +125℃
280 -** Operating: -40 ~~ +85℃
281 -* Humidity:
282 -** Storage: 5 ~~ 95% (Non-Condensing)
283 -** Operating: 10 ~~ 95% (Non-Condensing)
284 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
285 -* LoRa Rx current: <9 mA
286 286  
287 -== 3.4  Pin Mapping & LED ==
225 +[[image:image-20220602102240-4.png||height="304" width="600"]]
288 288  
289 289  
290 290  
291 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
229 +=== 1.8.3  Upgrade steps ===
292 292  
293 293  
294 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
295 295  
233 +==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
296 296  
297 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
298 298  
236 +[[image:image-20220602102824-5.png||height="306" width="600"]]
299 299  
300 -[[image:image-20220602171217-1.png||height="538" width="800"]]
301 301  
302 302  
303 -Open the serial port tool
240 +==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
304 304  
305 -[[image:image-20220602161617-8.png]]
306 306  
307 -[[image:image-20220602161718-9.png||height="457" width="800"]]
243 +[[image:image-20220602104701-12.png||height="285" width="600"]]
308 308  
309 309  
310 310  
311 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
247 +==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
312 312  
313 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
314 314  
250 +(((
251 +(% 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/]]**
252 +)))
315 315  
316 -[[image:image-20220602161935-10.png||height="498" width="800"]]
317 317  
255 +[[image:image-20220602103227-6.png]]
318 318  
319 319  
320 -(% style="color:blue" %)**3. See Uplink Command**
258 +[[image:image-20220602103357-7.png]]
321 321  
322 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
323 323  
324 -example: AT+SENDB=01,02,8,05820802581ea0a5
325 325  
326 -[[image:image-20220602162157-11.png||height="497" width="800"]]
262 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
263 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
327 327  
328 328  
266 +[[image:image-20220602103844-8.png]]
329 329  
330 -(% style="color:blue" %)**4. Check to see if TTN received the message**
331 331  
332 -[[image:image-20220602162331-12.png||height="420" width="800"]]
333 333  
270 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
271 +(% style="color:blue" %)**3. Select the bin file to burn**
334 334  
335 335  
336 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
274 +[[image:image-20220602104144-9.png]]
337 337  
338 338  
339 -**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]]
277 +[[image:image-20220602104251-10.png]]
340 340  
341 341  
342 -(% style="color:red" %)**Preconditions:**
280 +[[image:image-20220602104402-11.png]]
343 343  
344 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
345 345  
346 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
347 347  
284 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
285 +(% style="color:blue" %)**4. Click to start the download**
348 348  
287 +[[image:image-20220602104923-13.png]]
349 349  
350 -(% style="color:blue" %)**Steps for usage:**
351 351  
352 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
353 353  
354 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
291 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
292 +(% style="color:blue" %)**5. Check update process**
355 355  
356 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
357 357  
295 +[[image:image-20220602104948-14.png]]
358 358  
359 359  
360 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
361 361  
299 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
300 +(% style="color:blue" %)**The following picture shows that the burning is successful**
362 362  
363 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
302 +[[image:image-20220602105251-15.png]]
364 364  
365 365  
366 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
367 367  
368 -[[image:image-20220602171233-2.png||height="538" width="800"]]
306 += 2.  FAQ =
369 369  
370 370  
309 +== 2.1  How to Compile Source Code for LA66? ==
371 371  
372 -(% style="color:blue" %)**2. Install Minicom in RPi.**
373 373  
374 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
312 +Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Module.Compile and Upload Code to ASR6601 Platform.WebHome]]
375 375  
376 - (% style="background-color:yellow" %)**apt update**
377 377  
378 - (% style="background-color:yellow" %)**apt install minicom**
379 379  
316 += 3.  Order Info =
380 380  
381 -Use minicom to connect to the RPI's terminal
382 382  
383 -[[image:image-20220602153146-3.png||height="439" width="500"]]
319 +**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
384 384  
385 385  
386 -
387 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**(%%)
388 -(% style="color:blue" %)The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
389 -
390 -[[image:image-20220602154928-5.png||height="436" width="500"]]
391 -
392 -
393 -
394 -(% style="color:blue" %)**4. Send Uplink message**
395 -
396 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
397 -
398 -example: AT+SENDB=01,02,8,05820802581ea0a5
399 -
400 -
401 -[[image:image-20220602160339-6.png||height="517" width="600"]]
402 -
403 -
404 -
405 -Check to see if TTN received the message
406 -
407 -[[image:image-20220602160627-7.png||height="369" width="800"]]
408 -
409 -
410 -
411 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
412 -
413 -
414 -
415 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
416 -
417 -
418 -
419 -
420 -= 4.  Order Info =
421 -
422 -
423 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
424 -
425 -
426 426  (% style="color:blue" %)**XXX**(%%): The default frequency band
427 427  
428 428  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
... ... @@ -435,11 +435,7 @@
435 435  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
436 436  * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
437 437  
334 += 4.  Reference =
438 438  
439 439  
440 -
441 -= 5.  Reference =
442 -
443 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
444 -
445 -
337 +* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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