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 < 87.13 >
edited by Xiaoling
on 2022/07/13 10:05
>
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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 +6,93 @@
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 +== 1.3  Specification ==
40 +
41 +* CPU: 32-bit 48 MHz
42 +* Flash: 256KB
43 +* RAM: 64KB
44 +* Input Power Range: 1.8v ~~ 3.7v
45 +* Power Consumption: < 4uA.
46 +* Frequency Range: 150 MHz ~~ 960 MHz
47 +* Maximum Power +22 dBm constant RF output
48 +* High sensitivity: -148 dBm
49 +* Temperature:
50 +** Storage: -55 ~~ +125℃
51 +** Operating: -40 ~~ +85℃
52 +* Humidity:
53 +** Storage: 5 ~~ 95% (Non-Condensing)
54 +** Operating: 10 ~~ 95% (Non-Condensing)
55 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
56 +* LoRa Rx current: <9 mA
57 +* I/O Voltage: 3.3v
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 +
57 57  * Arduino Shield base on LA66 LoRaWAN module
58 -* Support LoRaWAN v1.0.3 protocol
95 +* 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
... ... @@ -66,10 +66,8 @@
66 66  * Ultra-long RF range
67 67  
68 68  
106 +== 2.3  Specification ==
69 69  
70 -== 1.3  Specification ==
71 -
72 -
73 73  * CPU: 32-bit 48 MHz
74 74  * Flash: 256KB
75 75  * RAM: 64KB
... ... @@ -89,241 +89,311 @@
89 89  * I/O Voltage: 3.3v
90 90  
91 91  
127 +== 2.4  Pin Mapping & LED ==
92 92  
93 -== 1.4  Pin Mapping & LED ==
94 94  
95 95  
96 -[[image:image-20220817085048-1.png]]
131 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
97 97  
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
135 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
103 103  
104 104  
105 105  
106 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
139 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
107 107  
108 108  
109 -**Show connection diagram：**
110 110  
143 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
111 111  
112 -[[image:image-20220723170210-2.png||height="908" width="681"]]
113 113  
146 +=== 2.8.1  Items needed for update ===
114 114  
148 +1. LA66 LoRaWAN Shield
149 +1. Arduino
150 +1. USB TO TTL Adapter
115 115  
116 -(% style="color:blue" %)**1.  open Arduino IDE**
152 +[[image:image-20220602100052-2.png||height="385" width="600"]]
117 117  
118 118  
119 -[[image:image-20220723170545-4.png]]
155 +=== 2.8.2  Connection ===
120 120  
121 121  
158 +[[image:image-20220602101311-3.png||height="276" width="600"]]
122 122  
123 -(% style="color:blue" %)**2.  Open project**
124 124  
161 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
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]]
163 +(% style="background-color:yellow" %)**GND  <-> GND
164 +TXD  <->  TXD
165 +RXD  <->  RXD**
127 127  
128 -[[image:image-20220726135239-1.png]]
129 129  
168 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
130 130  
170 +Connect USB TTL Adapter to PC after connecting the wires
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**
133 133  
134 -[[image:image-20220726135356-2.png]]
173 +[[image:image-20220602102240-4.png||height="304" width="600"]]
135 135  
136 136  
176 +=== 2.8.3  Upgrade steps ===
137 137  
138 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
139 139  
179 +==== 1.  Switch SW1 to put in ISP position ====
140 140  
141 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
142 142  
182 +[[image:image-20220602102824-5.png||height="306" width="600"]]
143 143  
144 144  
145 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
146 146  
186 +==== 2.  Press the RST switch once ====
147 147  
148 -(% style="color:blue" %)**1.  Open project**
149 149  
189 +[[image:image-20220602104701-12.png||height="285" width="600"]]
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  
153 153  
154 -[[image:image-20220723172502-8.png]]
193 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
155 155  
156 156  
196 +(% 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/]]**
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  
199 +[[image:image-20220602103227-6.png]]
160 160  
161 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
162 162  
202 +[[image:image-20220602103357-7.png]]
163 163  
164 164  
165 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
166 166  
206 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
207 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
167 167  
168 -(% style="color:blue" %)**1.  Open project**
169 169  
210 +[[image:image-20220602103844-8.png]]
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  
173 173  
174 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
214 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
215 +(% style="color:blue" %)**3. Select the bin file to burn**
175 175  
176 176  
218 +[[image:image-20220602104144-9.png]]
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 +[[image:image-20220602104251-10.png]]
180 180  
181 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
182 182  
224 +[[image:image-20220602104402-11.png]]
183 183  
184 184  
185 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
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/]]
228 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
229 +(% style="color:blue" %)**4. Click to start the download**
188 188  
189 -[[image:image-20220723175700-12.png||height="602" width="995"]]
231 +[[image:image-20220602104923-13.png]]
190 190  
191 191  
192 192  
193 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
235 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
236 +(% style="color:blue" %)**5. Check update process**
194 194  
195 195  
196 -=== 1.8.1  Items needed for update ===
239 +[[image:image-20220602104948-14.png]]
197 197  
198 198  
199 -1. LA66 LoRaWAN Shield
200 -1. Arduino
201 -1. USB TO TTL Adapter
202 202  
203 -[[image:image-20220602100052-2.png||height="385" width="600"]]
243 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
244 +(% style="color:blue" %)**The following picture shows that the burning is successful**
204 204  
246 +[[image:image-20220602105251-15.png]]
205 205  
206 206  
207 -=== 1.8.2  Connection ===
208 208  
250 += 3.  LA66 USB LoRaWAN Adapter =
209 209  
210 -[[image:image-20220602101311-3.png||height="276" width="600"]]
211 211  
253 +== 3.1  Overview ==
212 212  
213 -(((
214 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
215 -)))
255 +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.
216 216  
217 -(((
218 -(% style="background-color:yellow" %)**GND  <-> GND
219 -TXD  <->  TXD
220 -RXD  <->  RXD**
221 -)))
222 222  
258 +== 3.2  Features ==
223 223  
224 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
260 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
261 +* Ultra-long RF range
262 +* Support LoRaWAN v1.0.4 protocol
263 +* Support peer-to-peer protocol
264 +* TCXO crystal to ensure RF performance on low temperature
265 +* Spring RF antenna
266 +* Available in different frequency LoRaWAN frequency bands.
267 +* World-wide unique OTAA keys.
268 +* AT Command via UART-TTL interface
269 +* Firmware upgradable via UART interface
225 225  
226 -Connect USB TTL Adapter to PC after connecting the wires
227 227  
272 +== 3.3  Specification ==
228 228  
229 -[[image:image-20220602102240-4.png||height="304" width="600"]]
274 +* CPU: 32-bit 48 MHz
275 +* Flash: 256KB
276 +* RAM: 64KB
277 +* Input Power Range: 5v
278 +* Frequency Range: 150 MHz ~~ 960 MHz
279 +* Maximum Power +22 dBm constant RF output
280 +* High sensitivity: -148 dBm
281 +* Temperature:
282 +** Storage: -55 ~~ +125℃
283 +** Operating: -40 ~~ +85℃
284 +* Humidity:
285 +** Storage: 5 ~~ 95% (Non-Condensing)
286 +** Operating: 10 ~~ 95% (Non-Condensing)
287 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
288 +* LoRa Rx current: <9 mA
230 230  
231 231  
291 +== 3.4  Pin Mapping & LED ==
232 232  
233 -=== 1.8.3  Upgrade steps ===
234 234  
235 235  
295 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
236 236  
237 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
238 238  
298 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
239 239  
240 -[[image:image-20220602102824-5.png||height="306" width="600"]]
241 241  
301 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
242 242  
243 243  
244 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
304 +[[image:image-20220602171217-1.png||height="538" width="800"]]
245 245  
246 246  
247 -[[image:image-20220817085447-1.png]]
307 +Open the serial port tool
248 248  
309 +[[image:image-20220602161617-8.png]]
249 249  
311 +[[image:image-20220602161718-9.png||height="457" width="800"]]
250 250  
251 251  
252 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
253 253  
315 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
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 -)))
317 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
258 258  
259 259  
260 -[[image:image-20220602103227-6.png]]
320 +[[image:image-20220602161935-10.png||height="498" width="800"]]
261 261  
262 262  
263 -[[image:image-20220602103357-7.png]]
264 264  
324 +(% style="color:blue" %)**3. See Uplink Command**
265 265  
326 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
266 266  
267 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
268 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
328 +example: AT+SENDB=01,02,8,05820802581ea0a5
269 269  
330 +[[image:image-20220602162157-11.png||height="497" width="800"]]
270 270  
271 -[[image:image-20220602103844-8.png]]
272 272  
273 273  
334 +(% style="color:blue" %)**4. Check to see if TTN received the message**
274 274  
275 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
276 -(% style="color:blue" %)**3. Select the bin file to burn**
336 +[[image:image-20220602162331-12.png||height="420" width="800"]]
277 277  
278 278  
279 -[[image:image-20220602104144-9.png]]
280 280  
340 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
281 281  
282 -[[image:image-20220602104251-10.png]]
283 283  
343 +**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]]
284 284  
285 -[[image:image-20220602104402-11.png]]
286 286  
346 +(% style="color:red" %)**Preconditions:**
287 287  
348 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
288 288  
289 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
290 -(% style="color:blue" %)**4. Click to start the download**
350 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
291 291  
292 -[[image:image-20220602104923-13.png]]
293 293  
294 294  
354 +(% style="color:blue" %)**Steps for usage:**
295 295  
296 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
297 -(% style="color:blue" %)**5. Check update process**
356 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
298 298  
358 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
299 299  
300 -[[image:image-20220602104948-14.png]]
360 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
301 301  
302 302  
303 303  
304 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
305 -(% style="color:blue" %)**The following picture shows that the burning is successful**
364 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
306 306  
307 -[[image:image-20220602105251-15.png]]
308 308  
367 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
309 309  
310 310  
311 -= 2.  FAQ =
370 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
312 312  
372 +[[image:image-20220602171233-2.png||height="538" width="800"]]
313 313  
314 -== 2.1  How to Compile Source Code for LA66? ==
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 +(% style="color:blue" %)**2. Install Minicom in RPi.**
318 318  
378 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
319 319  
380 + (% style="background-color:yellow" %)**apt update**
320 320  
321 -= 3.  Order Info =
382 + (% style="background-color:yellow" %)**apt install minicom**
322 322  
323 323  
324 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
385 +Use minicom to connect to the RPI's terminal
325 325  
387 +[[image:image-20220602153146-3.png||height="439" width="500"]]
326 326  
389 +
390 +
391 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
392 +
393 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
394 +
395 +
396 +[[image:image-20220602154928-5.png||height="436" width="500"]]
397 +
398 +
399 +
400 +(% style="color:blue" %)**4. Send Uplink message**
401 +
402 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
403 +
404 +example: AT+SENDB=01,02,8,05820802581ea0a5
405 +
406 +
407 +[[image:image-20220602160339-6.png||height="517" width="600"]]
408 +
409 +
410 +
411 +Check to see if TTN received the message
412 +
413 +[[image:image-20220602160627-7.png||height="369" width="800"]]
414 +
415 +
416 +
417 +== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
418 +
419 +
420 +
421 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
422 +
423 +
424 +
425 +
426 += 4.  Order Info =
427 +
428 +
429 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
430 +
431 +
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  
446 += 5.  Reference =
341 341  
342 -= 4.  Reference =
448 +* 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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