Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 149.2 >
edited by Xiaoling
on 2022/08/17 08:57
To version < 87.9 >
edited by Xiaoling
on 2022/07/13 10:02
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Summary

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Title
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1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Content
... ... @@ -1,61 +1,98 @@
1 1  
2 2  
3 -**Table of Contents:**
4 -
5 5  {{toc/}}
6 6  
7 7  
8 8  
7 += 1.  LA66 LoRaWAN Module =
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
11 11  
10 +== 1.1  What is LA66 LoRaWAN Module ==
12 12  
13 -== 1.1  Overview ==
14 14  
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.
15 15  
16 -(((
17 -[[image:image-20220715000826-2.png||height="145" width="220"]]
18 -)))
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.
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  
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
56 56  
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 +
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
... ... @@ -67,10 +67,8 @@
67 67  
68 68  
69 69  
107 +== 2.3  Specification ==
70 70  
71 -== 1.3  Specification ==
72 -
73 -
74 74  * CPU: 32-bit 48 MHz
75 75  * Flash: 256KB
76 76  * RAM: 64KB
... ... @@ -91,239 +91,305 @@
91 91  
92 92  
93 93  
129 +== 2.4  Pin Mapping & LED ==
94 94  
95 -== 1.4  Pin Mapping & LED ==
96 96  
97 97  
98 -[[image:image-20220817085048-1.png]]
133 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
99 99  
100 100  
101 101  
102 -~1. The LED lights up red when there is an upstream data packet
103 -2. When the network is successfully connected, the green light will be on for 5 seconds
104 -3. Purple light on when receiving downlink data packets
137 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
105 105  
106 106  
107 107  
108 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
141 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
109 109  
110 110  
111 -**Show connection diagram：**
112 112  
145 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
113 113  
114 -[[image:image-20220723170210-2.png||height="908" width="681"]]
115 115  
148 +=== 2.8.1  Items needed for update ===
116 116  
150 +1. LA66 LoRaWAN Shield
151 +1. Arduino
152 +1. USB TO TTL Adapter
117 117  
118 -(% style="color:blue" %)**1.  open Arduino IDE**
154 +[[image:image-20220602100052-2.png||height="385" width="600"]]
119 119  
120 120  
121 -[[image:image-20220723170545-4.png]]
157 +=== 2.8.2  Connection ===
122 122  
123 123  
160 +[[image:image-20220602101311-3.png||height="276" width="600"]]
124 124  
125 -(% style="color:blue" %)**2.  Open project**
126 126  
163 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
127 127  
128 -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]]
165 +(% style="background-color:yellow" %)**GND  <-> GND
166 +TXD  <->  TXD
167 +RXD  <->  RXD**
129 129  
130 -[[image:image-20220726135239-1.png]]
131 131  
170 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
132 132  
133 -(% 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**
172 +Connect USB TTL Adapter to PC after connecting the wires
134 134  
135 -[[image:image-20220726135356-2.png]]
136 136  
175 +[[image:image-20220602102240-4.png||height="304" width="600"]]
137 137  
138 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
139 139  
178 +=== 2.8.3  Upgrade steps ===
140 140  
141 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
142 142  
181 +==== 1.  Switch SW1 to put in ISP position ====
143 143  
144 144  
145 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
184 +[[image:image-20220602102824-5.png||height="306" width="600"]]
146 146  
147 147  
148 -(% style="color:blue" %)**1.  Open project**
149 149  
188 +==== 2.  Press the RST switch once ====
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]]
190 +[[image:image-20220602104701-12.png||height="285" width="600"]]
152 152  
153 153  
154 -[[image:image-20220723172502-8.png]]
155 155  
194 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
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**
197 +(% 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/]]**
159 159  
160 160  
161 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
200 +[[image:image-20220602103227-6.png]]
162 162  
163 163  
203 +[[image:image-20220602103357-7.png]]
164 164  
165 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
166 166  
167 167  
168 -(% style="color:blue" %)**1.  Open project**
207 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
208 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
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]]
211 +[[image:image-20220602103844-8.png]]
172 172  
173 173  
174 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
175 175  
215 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
216 +(% style="color:blue" %)**3. Select the bin file to burn**
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**
219 +[[image:image-20220602104144-9.png]]
179 179  
180 180  
181 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
222 +[[image:image-20220602104251-10.png]]
182 182  
183 183  
225 +[[image:image-20220602104402-11.png]]
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/]]
188 188  
189 -[[image:image-20220723175700-12.png||height="602" width="995"]]
229 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
230 +(% style="color:blue" %)**4. Click to start the download**
190 190  
232 +[[image:image-20220602104923-13.png]]
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
271 +== 3.3  Specification ==
227 227  
273 +* CPU: 32-bit 48 MHz
274 +* Flash: 256KB
275 +* RAM: 64KB
276 +* Input Power Range: 5v
277 +* Frequency Range: 150 MHz ~~ 960 MHz
278 +* Maximum Power +22 dBm constant RF output
279 +* High sensitivity: -148 dBm
280 +* Temperature:
281 +** Storage: -55 ~~ +125℃
282 +** Operating: -40 ~~ +85℃
283 +* Humidity:
284 +** Storage: 5 ~~ 95% (Non-Condensing)
285 +** Operating: 10 ~~ 95% (Non-Condensing)
286 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
287 +* LoRa Rx current: <9 mA
228 228  
229 -[[image:image-20220602102240-4.png||height="304" width="600"]]
289 +== 3.4  Pin Mapping & LED ==
230 230  
231 231  
232 232  
233 -=== 1.8.3  Upgrade steps ===
293 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
234 234  
235 235  
296 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
236 236  
237 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
238 238  
299 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
239 239  
240 -[[image:image-20220602102824-5.png||height="306" width="600"]]
241 241  
302 +[[image:image-20220602171217-1.png||height="538" width="800"]]
242 242  
243 243  
244 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
305 +Open the serial port tool
245 245  
307 +[[image:image-20220602161617-8.png]]
246 246  
247 -[[image:image-20220817085447-1.png]]
309 +[[image:image-20220602161718-9.png||height="457" width="800"]]
248 248  
249 249  
250 250  
313 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
251 251  
252 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
315 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
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 -)))
318 +[[image:image-20220602161935-10.png||height="498" width="800"]]
258 258  
259 259  
260 -[[image:image-20220602103227-6.png]]
261 261  
322 +(% style="color:blue" %)**3. See Uplink Command**
262 262  
263 -[[image:image-20220602103357-7.png]]
324 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
264 264  
326 +example: AT+SENDB=01,02,8,05820802581ea0a5
265 265  
328 +[[image:image-20220602162157-11.png||height="497" width="800"]]
266 266  
267 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
268 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
269 269  
270 270  
271 -[[image:image-20220602103844-8.png]]
332 +(% style="color:blue" %)**4. Check to see if TTN received the message**
272 272  
334 +[[image:image-20220602162331-12.png||height="420" width="800"]]
273 273  
274 274  
275 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
276 -(% style="color:blue" %)**3. Select the bin file to burn**
277 277  
338 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
278 278  
279 -[[image:image-20220602104144-9.png]]
280 280  
341 +**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]]
281 281  
282 -[[image:image-20220602104251-10.png]]
283 283  
344 +(% style="color:red" %)**Preconditions:**
284 284  
285 -[[image:image-20220602104402-11.png]]
346 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
286 286  
348 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
287 287  
288 288  
289 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
290 -(% style="color:blue" %)**4. Click to start the download**
291 291  
292 -[[image:image-20220602104923-13.png]]
352 +(% style="color:blue" %)**Steps for usage:**
293 293  
354 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
294 294  
356 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
295 295  
296 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
297 -(% style="color:blue" %)**5. Check update process**
358 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
298 298  
299 299  
300 -[[image:image-20220602104948-14.png]]
301 301  
362 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
302 302  
303 303  
304 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
305 -(% style="color:blue" %)**The following picture shows that the burning is successful**
365 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
306 306  
307 -[[image:image-20220602105251-15.png]]
308 308  
368 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
309 309  
370 +[[image:image-20220602171233-2.png||height="538" width="800"]]
310 310  
311 -= 2.  FAQ =
312 312  
313 313  
314 -== 2.1  How to Compile Source Code for LA66? ==
374 +(% style="color:blue" %)**2. Install Minicom in RPi.**
315 315  
376 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
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]]
378 + (% style="background-color:yellow" %)**apt update**
318 318  
380 + (% style="background-color:yellow" %)**apt install minicom**
319 319  
320 320  
321 -= 3.  Order Info =
383 +Use minicom to connect to the RPI's terminal
322 322  
385 +[[image:image-20220602153146-3.png||height="439" width="500"]]
323 323  
324 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
325 325  
326 326  
389 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**(%%)
390 +(% style="color:blue" %)The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
391 +
392 +[[image:image-20220602154928-5.png||height="436" width="500"]]
393 +
394 +
395 +
396 +(% style="color:blue" %)**4. Send Uplink message**
397 +
398 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
399 +
400 +example: AT+SENDB=01,02,8,05820802581ea0a5
401 +
402 +
403 +[[image:image-20220602160339-6.png||height="517" width="600"]]
404 +
405 +
406 +
407 +Check to see if TTN received the message
408 +
409 +[[image:image-20220602160627-7.png||height="369" width="800"]]
410 +
411 +
412 +
413 +== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
414 +
415 +
416 +
417 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
418 +
419 +
420 +
421 +
422 += 4.  Order Info =
423 +
424 +
425 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
426 +
427 +
327 327  (% style="color:blue" %)**XXX**(%%): The default frequency band
328 328  
329 329  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
... ... @@ -338,9 +338,9 @@
338 338  
339 339  
340 340  
341 -= 4.  Reference =
342 342  
443 += 5.  Reference =
343 343  
344 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
445 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
345 345  
346 346  
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