Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 149.4 >
edited by Xiaoling
on 2022/08/17 10:02
To version < 87.14 >
edited by Xiaoling
on 2022/07/13 10:06
>
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Summary

Details

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Title
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1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Content
... ... @@ -6,56 +6,95 @@
6 6  
7 7  
8 8  
9 += 1.  LA66 LoRaWAN Module =
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
11 11  
12 +== 1.1  What is LA66 LoRaWAN Module ==
12 12  
13 -== 1.1  Overview ==
14 14  
15 +(% 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.
15 15  
16 -(((
17 -[[image:image-20220715000826-2.png||height="145" width="220"]]
18 -)))
17 +(% 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.
19 19  
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 -(((
36 36  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 -)))
38 -)))
39 39  
40 -(((
41 -(((
42 42  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 -)))
45 45  
46 -(((
47 -(((
48 48  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 -)))
50 -)))
51 51  
52 52  
53 -
54 54  == 1.2  Features ==
55 55  
28 +* Support LoRaWAN v1.0.4 protocol
29 +* Support peer-to-peer protocol
30 +* TCXO crystal to ensure RF performance on low temperature
31 +* SMD Antenna pad and i-pex antenna connector
32 +* Available in different frequency LoRaWAN frequency bands.
33 +* World-wide unique OTAA keys.
34 +* AT Command via UART-TTL interface
35 +* Firmware upgradable via UART interface
36 +* Ultra-long RF range
56 56  
38 +
39 +
40 +== 1.3  Specification ==
41 +
42 +* CPU: 32-bit 48 MHz
43 +* Flash: 256KB
44 +* RAM: 64KB
45 +* Input Power Range: 1.8v ~~ 3.7v
46 +* Power Consumption: < 4uA.
47 +* Frequency Range: 150 MHz ~~ 960 MHz
48 +* Maximum Power +22 dBm constant RF output
49 +* High sensitivity: -148 dBm
50 +* Temperature:
51 +** Storage: -55 ~~ +125℃
52 +** Operating: -40 ~~ +85℃
53 +* Humidity:
54 +** Storage: 5 ~~ 95% (Non-Condensing)
55 +** Operating: 10 ~~ 95% (Non-Condensing)
56 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
57 +* LoRa Rx current: <9 mA
58 +* I/O Voltage: 3.3v
59 +
60 +
61 +
62 +== 1.4  AT Command ==
63 +
64 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
65 +
66 +
67 +== 1.5  Dimension ==
68 +
69 +[[image:image-20220517072526-1.png]]
70 +
71 +
72 +
73 +== 1.6  Pin Mapping ==
74 +
75 +
76 +[[image:image-20220523101537-1.png]]
77 +
78 +
79 +
80 +== 1.7  Land Pattern ==
81 +
82 +[[image:image-20220517072821-2.png]]
83 +
84 +
85 +
86 += 2.  LA66 LoRaWAN Shield =
87 +
88 +
89 +== 2.1  Overview ==
90 +
91 +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.
92 +
93 +
94 +== 2.2  Features ==
95 +
57 57  * Arduino Shield base on LA66 LoRaWAN module
58 -* Support LoRaWAN v1.0.3 protocol
97 +* Support LoRaWAN v1.0.4 protocol
59 59  * Support peer-to-peer protocol
60 60  * TCXO crystal to ensure RF performance on low temperature
61 61  * SMA connector
... ... @@ -67,9 +67,8 @@
67 67  
68 68  
69 69  
70 -== 1.3  Specification ==
109 +== 2.3  Specification ==
71 71  
72 -
73 73  * CPU: 32-bit 48 MHz
74 74  * Flash: 256KB
75 75  * RAM: 64KB
... ... @@ -90,240 +90,316 @@
90 90  
91 91  
92 92  
93 -== 1.4  Pin Mapping & LED ==
131 +== 2.4  Pin Mapping & LED ==
94 94  
95 95  
96 -[[image:image-20220817085048-1.png]]
97 97  
135 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
98 98  
99 99  
100 -~1. The LED lights up red when there is an upstream data packet
101 -2. When the network is successfully connected, the green light will be on for 5 seconds
102 -3. Purple light on when receiving downlink data packets
103 103  
139 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
104 104  
105 105  
106 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
107 107  
143 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
108 108  
109 -**Show connection diagram：**
110 110  
111 111  
112 -[[image:image-20220723170210-2.png||height="908" width="681"]]
147 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
113 113  
114 114  
150 +=== 2.8.1  Items needed for update ===
115 115  
116 -(% style="color:blue" %)**1.  open Arduino IDE**
152 +1. LA66 LoRaWAN Shield
153 +1. Arduino
154 +1. USB TO TTL Adapter
117 117  
118 118  
119 -[[image:image-20220723170545-4.png]]
120 120  
121 121  
159 +[[image:image-20220602100052-2.png||height="385" width="600"]]
122 122  
123 -(% style="color:blue" %)**2.  Open project**
124 124  
162 +=== 2.8.2  Connection ===
125 125  
126 -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]]
127 127  
128 -[[image:image-20220726135239-1.png]]
165 +[[image:image-20220602101311-3.png||height="276" width="600"]]
129 129  
130 130  
168 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
131 131  
132 -(% 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**
170 +(% style="background-color:yellow" %)**GND  <-> GND
171 +TXD  <->  TXD
172 +RXD  <->  RXD**
133 133  
134 -[[image:image-20220726135356-2.png]]
135 135  
175 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
136 136  
177 +Connect USB TTL Adapter to PC after connecting the wires
137 137  
138 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
139 139  
180 +[[image:image-20220602102240-4.png||height="304" width="600"]]
140 140  
141 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
142 142  
183 +=== 2.8.3  Upgrade steps ===
143 143  
144 144  
145 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
186 +==== 1.  Switch SW1 to put in ISP position ====
146 146  
147 147  
148 -(% style="color:blue" %)**1.  Open project**
189 +[[image:image-20220602102824-5.png||height="306" width="600"]]
149 149  
150 150  
151 -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]]
152 152  
193 +==== 2.  Press the RST switch once ====
153 153  
154 -[[image:image-20220723172502-8.png]]
155 155  
196 +[[image:image-20220602104701-12.png||height="285" width="600"]]
156 156  
157 157  
158 -(% 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**
159 159  
200 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
160 160  
161 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
162 162  
203 +(% 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/]]**
163 163  
164 164  
165 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
206 +[[image:image-20220602103227-6.png]]
166 166  
167 167  
168 -(% style="color:blue" %)**1.  Open project**
209 +[[image:image-20220602103357-7.png]]
169 169  
170 170  
171 -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]]
172 172  
213 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
214 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
173 173  
174 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
175 175  
217 +[[image:image-20220602103844-8.png]]
176 176  
177 177  
178 -(% 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**
179 179  
221 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
222 +(% style="color:blue" %)**3. Select the bin file to burn**
180 180  
181 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
182 182  
225 +[[image:image-20220602104144-9.png]]
183 183  
184 184  
185 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
228 +[[image:image-20220602104251-10.png]]
186 186  
187 -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/]]
188 188  
189 -[[image:image-20220723175700-12.png||height="602" width="995"]]
231 +[[image:image-20220602104402-11.png]]
190 190  
191 191  
192 192  
193 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
235 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
236 +(% style="color:blue" %)**4. Click to start the download**
194 194  
238 +[[image:image-20220602104923-13.png]]
195 195  
196 -=== 1.8.1  Items needed for update ===
197 197  
198 198  
199 -1. LA66 LoRaWAN Shield
200 -1. Arduino
201 -1. USB TO TTL Adapter
242 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
243 +(% style="color:blue" %)**5. Check update process**
202 202  
203 -[[image:image-20220602100052-2.png||height="385" width="600"]]
204 204  
246 +[[image:image-20220602104948-14.png]]
205 205  
206 206  
207 -=== 1.8.2  Connection ===
208 208  
250 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
251 +(% style="color:blue" %)**The following picture shows that the burning is successful**
209 209  
210 -[[image:image-20220602101311-3.png||height="276" width="600"]]
253 +[[image:image-20220602105251-15.png]]
211 211  
212 212  
213 -(((
214 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
215 -)))
216 216  
217 -(((
218 -(% style="background-color:yellow" %)**GND  <-> GND
219 -TXD  <->  TXD
220 -RXD  <->  RXD**
221 -)))
257 += 3.  LA66 USB LoRaWAN Adapter =
222 222  
223 223  
224 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
260 +== 3.1  Overview ==
225 225  
226 -Connect USB TTL Adapter to PC after connecting the wires
262 +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.
227 227  
228 228  
229 -[[image:image-20220602102240-4.png||height="304" width="600"]]
265 +== 3.2  Features ==
230 230  
267 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
268 +* Ultra-long RF range
269 +* Support LoRaWAN v1.0.4 protocol
270 +* Support peer-to-peer protocol
271 +* TCXO crystal to ensure RF performance on low temperature
272 +* Spring RF antenna
273 +* Available in different frequency LoRaWAN frequency bands.
274 +* World-wide unique OTAA keys.
275 +* AT Command via UART-TTL interface
276 +* Firmware upgradable via UART interface
231 231  
232 232  
233 -=== 1.8.3  Upgrade steps ===
234 234  
280 +== 3.3  Specification ==
235 235  
282 +* CPU: 32-bit 48 MHz
283 +* Flash: 256KB
284 +* RAM: 64KB
285 +* Input Power Range: 5v
286 +* Frequency Range: 150 MHz ~~ 960 MHz
287 +* Maximum Power +22 dBm constant RF output
288 +* High sensitivity: -148 dBm
289 +* Temperature:
290 +** Storage: -55 ~~ +125℃
291 +** Operating: -40 ~~ +85℃
292 +* Humidity:
293 +** Storage: 5 ~~ 95% (Non-Condensing)
294 +** Operating: 10 ~~ 95% (Non-Condensing)
295 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
296 +* LoRa Rx current: <9 mA
236 236  
237 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
238 238  
239 239  
240 -[[image:image-20220602102824-5.png||height="306" width="600"]]
300 +== 3.4  Pin Mapping & LED ==
241 241  
242 242  
243 243  
244 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
304 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
245 245  
246 246  
247 -[[image:image-20220817085447-1.png]]
307 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
248 248  
249 249  
310 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
250 250  
251 251  
252 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
313 +[[image:image-20220602171217-1.png||height="538" width="800"]]
253 253  
254 254  
255 -(((
256 -(% 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/]]**
257 -)))
316 +Open the serial port tool
258 258  
318 +[[image:image-20220602161617-8.png]]
259 259  
260 -[[image:image-20220602103227-6.png]]
320 +[[image:image-20220602161718-9.png||height="457" width="800"]]
261 261  
262 262  
263 -[[image:image-20220602103357-7.png]]
264 264  
324 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
265 265  
326 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
266 266  
267 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
268 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
269 269  
329 +[[image:image-20220602161935-10.png||height="498" width="800"]]
270 270  
271 -[[image:image-20220602103844-8.png]]
272 272  
273 273  
333 +(% style="color:blue" %)**3. See Uplink Command**
274 274  
275 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
276 -(% style="color:blue" %)**3. Select the bin file to burn**
335 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
277 277  
337 +example: AT+SENDB=01,02,8,05820802581ea0a5
278 278  
279 -[[image:image-20220602104144-9.png]]
339 +[[image:image-20220602162157-11.png||height="497" width="800"]]
280 280  
281 281  
282 -[[image:image-20220602104251-10.png]]
283 283  
343 +(% style="color:blue" %)**4. Check to see if TTN received the message**
284 284  
285 -[[image:image-20220602104402-11.png]]
345 +[[image:image-20220602162331-12.png||height="420" width="800"]]
286 286  
287 287  
288 288  
289 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
290 -(% style="color:blue" %)**4. Click to start the download**
349 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
291 291  
292 -[[image:image-20220602104923-13.png]]
293 293  
352 +**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]]
294 294  
295 295  
296 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
297 -(% style="color:blue" %)**5. Check update process**
355 +(% style="color:red" %)**Preconditions:**
298 298  
357 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
299 299  
300 -[[image:image-20220602104948-14.png]]
359 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
301 301  
302 302  
303 303  
304 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
305 -(% style="color:blue" %)**The following picture shows that the burning is successful**
363 +(% style="color:blue" %)**Steps for usage:**
306 306  
307 -[[image:image-20220602105251-15.png]]
365 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
308 308  
367 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
309 309  
369 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
310 310  
311 -= 2.  FAQ =
312 312  
313 313  
314 -== 2.1  How to Compile Source Code for LA66? ==
373 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
315 315  
316 316  
317 -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]]
376 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
318 318  
319 319  
379 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
320 320  
321 -= 3.  Order Info =
381 +[[image:image-20220602171233-2.png||height="538" width="800"]]
322 322  
323 323  
324 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
325 325  
385 +(% style="color:blue" %)**2. Install Minicom in RPi.**
326 326  
387 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
388 +
389 + (% style="background-color:yellow" %)**apt update**
390 +
391 + (% style="background-color:yellow" %)**apt install minicom**
392 +
393 +
394 +Use minicom to connect to the RPI's terminal
395 +
396 +[[image:image-20220602153146-3.png||height="439" width="500"]]
397 +
398 +
399 +
400 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
401 +
402 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
403 +
404 +
405 +[[image:image-20220602154928-5.png||height="436" width="500"]]
406 +
407 +
408 +
409 +(% style="color:blue" %)**4. Send Uplink message**
410 +
411 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
412 +
413 +example: AT+SENDB=01,02,8,05820802581ea0a5
414 +
415 +
416 +[[image:image-20220602160339-6.png||height="517" width="600"]]
417 +
418 +
419 +
420 +Check to see if TTN received the message
421 +
422 +[[image:image-20220602160627-7.png||height="369" width="800"]]
423 +
424 +
425 +
426 +== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
427 +
428 +
429 +
430 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
431 +
432 +
433 +
434 +
435 += 4.  Order Info =
436 +
437 +
438 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
439 +
440 +
327 327  (% style="color:blue" %)**XXX**(%%): The default frequency band
328 328  
329 329  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
... ... @@ -338,10 +338,8 @@
338 338  
339 339  
340 340  
455 += 5.  Reference =
341 341  
342 -= 4.  Reference =
457 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
343 343  
344 -
345 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
346 -
347 347  
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