Last modified by Xiaoling on 2023/05/26 14:19
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From version < 148.3 >
edited by Xiaoling
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Title
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1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Content
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1 1  
2 2  
3 -**Table of Contents:**
3 +{{box cssClass="floatinginfobox" title="**Contents**"}}
4 +{{toc/}}
5 +{{/box}}
4 4  
5 5  {{toc/}}
6 6  
7 7  
8 8  
11 += 1.  LA66 LoRaWAN Module =
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
11 11  
14 +== 1.1  What is LA66 LoRaWAN Module ==
12 12  
13 -== 1.1  Overview ==
14 14  
17 +(% 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 -)))
19 +(% 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  
56 -
57 -* Arduino Shield base on LA66 LoRaWAN module
58 -* Support LoRaWAN v1.0.3 protocol
30 +* 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 -* SMA connector
33 +* SMD Antenna pad and i-pex antenna connector
62 62  * Available in different frequency LoRaWAN frequency bands.
63 63  * World-wide unique OTAA keys.
64 64  * AT Command via UART-TTL interface
... ... @@ -66,12 +66,8 @@
66 66  * Ultra-long RF range
67 67  
68 68  
69 -
70 -
71 -
72 72  == 1.3  Specification ==
73 73  
74 -
75 75  * CPU: 32-bit 48 MHz
76 76  * Flash: 256KB
77 77  * RAM: 64KB
... ... @@ -91,257 +91,364 @@
91 91  * I/O Voltage: 3.3v
92 92  
93 93  
62 +== 1.4  AT Command ==
94 94  
95 -== 1.4  Pin Mapping & LED ==
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.
96 96  
97 97  
98 -[[image:image-20220817085048-1.png]]
67 +== 1.5  Dimension ==
99 99  
69 +[[image:image-20220517072526-1.png]]
100 100  
101 -~1. The LED lights up red when there is an upstream data packet
102 -2. When the network is successfully connected, the green light will be on for 5 seconds
103 -3. Purple light on when receiving downlink data packets
104 104  
105 105  
73 +== 1.6  Pin Mapping ==
106 106  
107 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
108 108  
76 +[[image:image-20220523101537-1.png]]
109 109  
110 -**Show connection diagram：**
111 111  
112 112  
113 -[[image:image-20220723170210-2.png||height="908" width="681"]]
80 +== 1.7  Land Pattern ==
114 114  
82 +[[image:image-20220517072821-2.png]]
115 115  
116 116  
117 -(% style="color:blue" %)**1.  open Arduino IDE**
118 118  
86 += 2.  LA66 LoRaWAN Shield =
119 119  
120 -[[image:image-20220723170545-4.png]]
121 121  
89 +== 2.1  Overview ==
122 122  
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.
123 123  
124 -(% style="color:blue" %)**2.  Open project**
125 125  
94 +== 2.2  Features ==
126 126  
127 -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]]
96 +* Arduino Shield base on LA66 LoRaWAN module
97 +* Support LoRaWAN v1.0.4 protocol
98 +* Support peer-to-peer protocol
99 +* TCXO crystal to ensure RF performance on low temperature
100 +* SMA connector
101 +* Available in different frequency LoRaWAN frequency bands.
102 +* World-wide unique OTAA keys.
103 +* AT Command via UART-TTL interface
104 +* Firmware upgradable via UART interface
105 +* Ultra-long RF range
128 128  
129 -[[image:image-20220726135239-1.png]]
130 130  
108 +== 2.3  Specification ==
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**
110 +* CPU: 32-bit 48 MHz
111 +* Flash: 256KB
112 +* RAM: 64KB
113 +* Input Power Range: 1.8v ~~ 3.7v
114 +* Power Consumption: < 4uA.
115 +* Frequency Range: 150 MHz ~~ 960 MHz
116 +* Maximum Power +22 dBm constant RF output
117 +* High sensitivity: -148 dBm
118 +* Temperature:
119 +** Storage: -55 ~~ +125℃
120 +** Operating: -40 ~~ +85℃
121 +* Humidity:
122 +** Storage: 5 ~~ 95% (Non-Condensing)
123 +** Operating: 10 ~~ 95% (Non-Condensing)
124 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
125 +* LoRa Rx current: <9 mA
126 +* I/O Voltage: 3.3v
133 133  
134 -[[image:image-20220726135356-2.png]]
135 135  
129 +== 2.4  Pin Mapping & LED ==
136 136  
137 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
138 138  
139 139  
140 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
133 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
141 141  
142 142  
143 143  
144 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
137 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
145 145  
146 146  
147 -(% style="color:blue" %)**1.  Open project**
148 148  
141 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
149 149  
150 -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]]
151 151  
152 152  
153 -[[image:image-20220723172502-8.png]]
145 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
154 154  
155 155  
148 +=== 2.8.1  Items needed for update ===
156 156  
157 -(% 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**
150 +1. LA66 LoRaWAN Shield
151 +1. Arduino
152 +1. USB TO TTL Adapter
158 158  
154 +[[image:image-20220602100052-2.png||height="385" width="600"]]
159 159  
160 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
161 161  
157 +=== 2.8.2  Connection ===
162 162  
163 163  
164 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
160 +[[image:image-20220602101311-3.png||height="276" width="600"]]
165 165  
166 166  
167 -(% style="color:blue" %)**1.  Open project**
163 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
168 168  
169 169  
170 -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]]
166 +(% style="background-color:yellow" %)**GND  <-> GND
167 +TXD  <->  TXD
168 +RXD  <->  RXD**
171 171  
172 172  
173 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
171 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
174 174  
173 +Connect USB TTL Adapter to PC after connecting the wires
175 175  
176 176  
177 -(% 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**
176 +[[image:image-20220602102240-4.png||height="304" width="600"]]
178 178  
179 179  
180 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
179 +=== 2.8.3  Upgrade steps ===
181 181  
182 182  
182 +==== 1.  Switch SW1 to put in ISP position ====
183 183  
184 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
185 185  
186 -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/]]
185 +[[image:image-20220602102824-5.png||height="306" width="600"]]
187 187  
188 -[[image:image-20220723175700-12.png||height="602" width="995"]]
189 189  
188 +==== 2.  Press the RST switch once ====
190 190  
190 +[[image:image-20220602104701-12.png||height="285" width="600"]]
191 191  
192 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
193 193  
193 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
194 194  
195 -=== 1.8.1  Items needed for update ===
196 196  
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/]]**
197 197  
198 -1. LA66 LoRaWAN Shield
199 -1. Arduino
200 -1. USB TO TTL Adapter
201 201  
202 -[[image:image-20220602100052-2.png||height="385" width="600"]]
199 +[[image:image-20220602103227-6.png]]
203 203  
204 204  
202 +[[image:image-20220602103357-7.png]]
205 205  
206 -=== 1.8.2  Connection ===
207 207  
208 208  
209 -[[image:image-20220602101311-3.png||height="276" width="600"]]
206 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
207 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
210 210  
211 211  
212 -(((
213 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
214 -)))
210 +[[image:image-20220602103844-8.png]]
215 215  
216 -(((
217 -(% style="background-color:yellow" %)**GND  <-> GND
218 -TXD  <->  TXD
219 -RXD  <->  RXD**
220 -)))
221 221  
222 222  
223 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
214 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
215 +(% style="color:blue" %)**3. Select the bin file to burn**
224 224  
225 -Connect USB TTL Adapter to PC after connecting the wires
226 226  
218 +[[image:image-20220602104144-9.png]]
227 227  
228 -[[image:image-20220602102240-4.png||height="304" width="600"]]
229 229  
221 +[[image:image-20220602104251-10.png]]
230 230  
231 231  
232 -=== 1.8.3  Upgrade steps ===
224 +[[image:image-20220602104402-11.png]]
233 233  
234 234  
235 235  
236 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
228 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
229 +(% style="color:blue" %)**4. Click to start the download**
237 237  
231 +[[image:image-20220602104923-13.png]]
238 238  
239 -[[image:image-20220602102824-5.png||height="306" width="600"]]
240 240  
234 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
235 +(% style="color:blue" %)**5. Check update process**
241 241  
242 242  
243 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
238 +[[image:image-20220602104948-14.png]]
244 244  
245 245  
246 -[[image:image-20220817085447-1.png]]
247 247  
242 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
243 +(% style="color:blue" %)**The following picture shows that the burning is successful**
248 248  
245 +[[image:image-20220602105251-15.png]]
249 249  
250 250  
251 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
252 252  
249 += 3.  LA66 USB LoRaWAN Adapter =
253 253  
254 -(((
255 -(% 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/]]**
256 -)))
257 257  
252 +== 3.1  Overview ==
258 258  
259 -[[image:image-20220602103227-6.png]]
254 +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.
260 260  
261 261  
262 -[[image:image-20220602103357-7.png]]
257 +== 3.2  Features ==
263 263  
259 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
260 +* Ultra-long RF range
261 +* Support LoRaWAN v1.0.4 protocol
262 +* Support peer-to-peer protocol
263 +* TCXO crystal to ensure RF performance on low temperature
264 +* Spring RF antenna
265 +* Available in different frequency LoRaWAN frequency bands.
266 +* World-wide unique OTAA keys.
267 +* AT Command via UART-TTL interface
268 +* Firmware upgradable via UART interface
264 264  
270 +== Specification ==
265 265  
266 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
267 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
272 +* CPU: 32-bit 48 MHz
273 +* Flash: 256KB
274 +* RAM: 64KB
275 +* Input Power Range: 5v
276 +* Frequency Range: 150 MHz ~~ 960 MHz
277 +* Maximum Power +22 dBm constant RF output
278 +* High sensitivity: -148 dBm
279 +* Temperature:
280 +** Storage: -55 ~~ +125℃
281 +** Operating: -40 ~~ +85℃
282 +* Humidity:
283 +** Storage: 5 ~~ 95% (Non-Condensing)
284 +** Operating: 10 ~~ 95% (Non-Condensing)
285 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
286 +* LoRa Rx current: <9 mA
268 268  
288 +== Pin Mapping & LED ==
269 269  
270 -[[image:image-20220602103844-8.png]]
290 +== Example Send & Get Messages via LoRaWAN in PC ==
271 271  
292 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
272 272  
294 +~1. Connect the LA66 USB LoRaWAN adapter to PC
273 273  
274 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
275 -(% style="color:blue" %)**3. Select the bin file to burn**
296 +[[image:image-20220602171217-1.png||height="538" width="800"]]
276 276  
298 +Open the serial port tool
277 277  
278 -[[image:image-20220602104144-9.png]]
300 +[[image:image-20220602161617-8.png]]
279 279  
302 +[[image:image-20220602161718-9.png||height="457" width="800"]]
280 280  
281 -[[image:image-20220602104251-10.png]]
282 282  
305 +2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
283 283  
284 -[[image:image-20220602104402-11.png]]
307 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
285 285  
309 +[[image:image-20220602161935-10.png||height="498" width="800"]]
286 286  
287 287  
288 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
289 -(% style="color:blue" %)**4. Click to start the download**
312 +3. See Uplink Command
290 290  
291 -[[image:image-20220602104923-13.png]]
314 +Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
292 292  
316 +example: AT+SENDB=01,02,8,05820802581ea0a5
293 293  
318 +[[image:image-20220602162157-11.png||height="497" width="800"]]
294 294  
295 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
296 -(% style="color:blue" %)**5. Check update process**
297 297  
321 +4. Check to see if TTN received the message
298 298  
299 -[[image:image-20220602104948-14.png]]
323 +[[image:image-20220602162331-12.png||height="420" width="800"]]
300 300  
301 301  
302 302  
303 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
304 -(% style="color:blue" %)**The following picture shows that the burning is successful**
327 +== Example:Send PC's CPU/RAM usage to TTN via python ==
305 305  
306 -[[image:image-20220602105251-15.png]]
329 +(% class="wikigeneratedid" id="HUsepythonasanexampleFF1A" %)
330 +**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]]
307 307  
332 +(% class="wikigeneratedid" id="HPreconditions:" %)
333 +**Preconditions:**
308 308  
335 +1.LA66 USB LoRaWAN Adapter works fine
309 309  
310 -= 2.  FAQ =
337 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
311 311  
339 +(% class="wikigeneratedid" id="HStepsforusage" %)
340 +**Steps for usage**
312 312  
313 -== 2.1  How to Compile Source Code for LA66? ==
342 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
314 314  
344 +2.Run the python script in PC and see the TTN
315 315  
316 -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]]
346 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
317 317  
318 318  
319 319  
320 -= 3.  Order Info =
350 +== Example Send & Get Messages via LoRaWAN in RPi ==
321 321  
352 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
322 322  
323 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
354 +~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
324 324  
356 +[[image:image-20220602171233-2.png||height="538" width="800"]]
325 325  
326 -(% style="color:blue" %)**XXX**(%%): The default frequency band
327 327  
328 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
329 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
330 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
331 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
332 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
333 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
334 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
335 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
336 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
359 +2. Install Minicom in RPi.
337 337  
361 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
338 338  
363 +(% class="mark" %)apt update
339 339  
365 +(% class="mark" %)apt install minicom
340 340  
341 -= 4.  Reference =
342 342  
368 +Use minicom to connect to the RPI's terminal
343 343  
344 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
370 +[[image:image-20220602153146-3.png||height="439" width="500"]]
345 345  
346 346  
373 +3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
374 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
375 +
376 +[[image:image-20220602154928-5.png||height="436" width="500"]]
377 +
378 +
379 +4. Send Uplink message
380 +
381 +Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
382 +
383 +example: AT+SENDB=01,02,8,05820802581ea0a5
384 +
385 +[[image:image-20220602160339-6.png||height="517" width="600"]]
386 +
387 +Check to see if TTN received the message
388 +
389 +[[image:image-20220602160627-7.png||height="369" width="800"]]
390 +
391 +
392 +
393 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
394 +
395 +
396 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
397 +
398 +
399 +
400 += Order Info =
401 +
402 +Part Number:
403 +
404 +**LA66-XXX**, **LA66-LoRaWAN-Shield-XXX** or **LA66-USB-LoRaWAN-Adapter-XXX**
405 +
406 +**XXX**: The default frequency band
407 +
408 +* **AS923**: LoRaWAN AS923 band
409 +* **AU915**: LoRaWAN AU915 band
410 +* **EU433**: LoRaWAN EU433 band
411 +* **EU868**: LoRaWAN EU868 band
412 +* **KR920**: LoRaWAN KR920 band
413 +* **US915**: LoRaWAN US915 band
414 +* **IN865**: LoRaWAN IN865 band
415 +* **CN470**: LoRaWAN CN470 band
416 +* **PP**: Peer to Peer LoRa Protocol
417 +
418 += Reference =
419 +
420 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
421 +
347 347  
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