Last modified by Xiaoling on 2023/05/26 14:19
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From version < 149.3 >
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
... ... @@ -66,11 +66,8 @@
66 66  * Ultra-long RF range
67 67  
68 68  
69 -
70 -
71 71  == 1.3  Specification ==
72 72  
73 -
74 74  * CPU: 32-bit 48 MHz
75 75  * Flash: 256KB
76 76  * RAM: 64KB
... ... @@ -90,259 +90,364 @@
90 90  * I/O Voltage: 3.3v
91 91  
92 92  
62 +== 1.4  AT Command ==
93 93  
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.
94 94  
95 -== 1.4  Pin Mapping & LED ==
96 96  
67 +== 1.5  Dimension ==
97 97  
98 -[[image:image-20220817085048-1.png]]
69 +[[image:image-20220517072526-1.png]]
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
73 +== 1.6  Pin Mapping ==
105 105  
106 106  
76 +[[image:image-20220523101537-1.png]]
107 107  
108 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
109 109  
110 110  
111 -**Show connection diagram：**
80 +== 1.7  Land Pattern ==
112 112  
82 +[[image:image-20220517072821-2.png]]
113 113  
114 -[[image:image-20220723170210-2.png||height="908" width="681"]]
115 115  
116 116  
86 += 2.  LA66 LoRaWAN Shield =
117 117  
118 -(% style="color:blue" %)**1.  open Arduino IDE**
119 119  
89 +== 2.1  Overview ==
120 120  
121 -[[image:image-20220723170545-4.png]]
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.
122 122  
123 123  
94 +== 2.2  Features ==
124 124  
125 -(% style="color:blue" %)**2.  Open project**
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
126 126  
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]]
108 +== 2.3  Specification ==
129 129  
130 -[[image:image-20220726135239-1.png]]
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
131 131  
132 132  
129 +== 2.4  Pin Mapping & LED ==
133 133  
134 -(% 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**
135 135  
136 -[[image:image-20220726135356-2.png]]
137 137  
133 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
138 138  
139 139  
140 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
141 141  
137 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
142 142  
143 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
144 144  
145 145  
141 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
146 146  
147 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
148 148  
149 149  
150 -(% style="color:blue" %)**1.  Open project**
145 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
151 151  
152 152  
153 -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]]
148 +=== 2.8.1  Items needed for update ===
154 154  
150 +1. LA66 LoRaWAN Shield
151 +1. Arduino
152 +1. USB TO TTL Adapter
155 155  
156 -[[image:image-20220723172502-8.png]]
154 +[[image:image-20220602100052-2.png||height="385" width="600"]]
157 157  
158 158  
157 +=== 2.8.2  Connection ===
159 159  
160 -(% 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**
161 161  
160 +[[image:image-20220602101311-3.png||height="276" width="600"]]
162 162  
163 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
164 164  
163 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
165 165  
166 166  
167 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
166 +(% style="background-color:yellow" %)**GND  <-> GND
167 +TXD  <->  TXD
168 +RXD  <->  RXD**
168 168  
169 169  
170 -(% style="color:blue" %)**1.  Open project**
171 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
171 171  
173 +Connect USB TTL Adapter to PC after connecting the wires
172 172  
173 -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]]
174 174  
176 +[[image:image-20220602102240-4.png||height="304" width="600"]]
175 175  
176 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
177 177  
179 +=== 2.8.3  Upgrade steps ===
178 178  
179 179  
180 -(% 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**
182 +==== 1.  Switch SW1 to put in ISP position ====
181 181  
182 182  
183 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
185 +[[image:image-20220602102824-5.png||height="306" width="600"]]
184 184  
185 185  
188 +==== 2.  Press the RST switch once ====
186 186  
187 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
190 +[[image:image-20220602104701-12.png||height="285" width="600"]]
188 188  
189 -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/]]
190 190  
191 -[[image:image-20220723175700-12.png||height="602" width="995"]]
193 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
192 192  
193 193  
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/]]**
194 194  
195 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
196 196  
199 +[[image:image-20220602103227-6.png]]
197 197  
198 -=== 1.8.1  Items needed for update ===
199 199  
202 +[[image:image-20220602103357-7.png]]
200 200  
201 -1. LA66 LoRaWAN Shield
202 -1. Arduino
203 -1. USB TO TTL Adapter
204 204  
205 -[[image:image-20220602100052-2.png||height="385" width="600"]]
206 206  
206 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
207 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
207 207  
208 208  
209 -=== 1.8.2  Connection ===
210 +[[image:image-20220602103844-8.png]]
210 210  
211 211  
212 -[[image:image-20220602101311-3.png||height="276" width="600"]]
213 213  
214 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
215 +(% style="color:blue" %)**3. Select the bin file to burn**
214 214  
215 -(((
216 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
217 -)))
218 218  
219 -(((
220 -(% style="background-color:yellow" %)**GND  <-> GND
221 -TXD  <->  TXD
222 -RXD  <->  RXD**
223 -)))
218 +[[image:image-20220602104144-9.png]]
224 224  
225 225  
226 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
221 +[[image:image-20220602104251-10.png]]
227 227  
228 -Connect USB TTL Adapter to PC after connecting the wires
229 229  
224 +[[image:image-20220602104402-11.png]]
230 230  
231 -[[image:image-20220602102240-4.png||height="304" width="600"]]
232 232  
233 233  
228 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
229 +(% style="color:blue" %)**4. Click to start the download**
234 234  
235 -=== 1.8.3  Upgrade steps ===
231 +[[image:image-20220602104923-13.png]]
236 236  
237 237  
234 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
235 +(% style="color:blue" %)**5. Check update process**
238 238  
239 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
240 240  
238 +[[image:image-20220602104948-14.png]]
241 241  
242 -[[image:image-20220602102824-5.png||height="306" width="600"]]
243 243  
244 244  
242 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
243 +(% style="color:blue" %)**The following picture shows that the burning is successful**
245 245  
246 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
245 +[[image:image-20220602105251-15.png]]
247 247  
248 248  
249 -[[image:image-20220817085447-1.png]]
250 250  
249 += 3.  LA66 USB LoRaWAN Adapter =
251 251  
252 252  
252 +== 3.1  Overview ==
253 253  
254 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
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.
255 255  
256 256  
257 -(((
258 -(% 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/]]**
259 -)))
257 +== 3.2  Features ==
260 260  
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
261 261  
262 -[[image:image-20220602103227-6.png]]
270 +== Specification ==
263 263  
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
264 264  
265 -[[image:image-20220602103357-7.png]]
288 +== Pin Mapping & LED ==
266 266  
290 +== Example Send & Get Messages via LoRaWAN in PC ==
267 267  
292 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
268 268  
269 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
270 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
294 +~1. Connect the LA66 USB LoRaWAN adapter to PC
271 271  
296 +[[image:image-20220602171217-1.png||height="538" width="800"]]
272 272  
273 -[[image:image-20220602103844-8.png]]
298 +Open the serial port tool
274 274  
300 +[[image:image-20220602161617-8.png]]
275 275  
302 +[[image:image-20220602161718-9.png||height="457" width="800"]]
276 276  
277 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
278 -(% style="color:blue" %)**3. Select the bin file to burn**
279 279  
305 +2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
280 280  
281 -[[image:image-20220602104144-9.png]]
307 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
282 282  
309 +[[image:image-20220602161935-10.png||height="498" width="800"]]
283 283  
284 -[[image:image-20220602104251-10.png]]
285 285  
312 +3. See Uplink Command
286 286  
287 -[[image:image-20220602104402-11.png]]
314 +Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
288 288  
316 +example: AT+SENDB=01,02,8,05820802581ea0a5
289 289  
318 +[[image:image-20220602162157-11.png||height="497" width="800"]]
290 290  
291 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
292 -(% style="color:blue" %)**4. Click to start the download**
293 293  
294 -[[image:image-20220602104923-13.png]]
321 +4. Check to see if TTN received the message
295 295  
323 +[[image:image-20220602162331-12.png||height="420" width="800"]]
296 296  
297 297  
298 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
299 -(% style="color:blue" %)**5. Check update process**
300 300  
327 +== Example:Send PC's CPU/RAM usage to TTN via python ==
301 301  
302 -[[image:image-20220602104948-14.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]]
303 303  
332 +(% class="wikigeneratedid" id="HPreconditions:" %)
333 +**Preconditions:**
304 304  
335 +1.LA66 USB LoRaWAN Adapter works fine
305 305  
306 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
307 -(% style="color:blue" %)**The following picture shows that the burning is successful**
337 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
308 308  
309 -[[image:image-20220602105251-15.png]]
339 +(% class="wikigeneratedid" id="HStepsforusage" %)
340 +**Steps for usage**
310 310  
342 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
311 311  
344 +2.Run the python script in PC and see the TTN
312 312  
313 -= 2.  FAQ =
346 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
314 314  
315 315  
316 -== 2.1  How to Compile Source Code for LA66? ==
317 317  
350 +== Example Send & Get Messages via LoRaWAN in RPi ==
318 318  
319 -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]]
352 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
320 320  
354 +~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
321 321  
356 +[[image:image-20220602171233-2.png||height="538" width="800"]]
322 322  
323 -= 3.  Order Info =
324 324  
359 +2. Install Minicom in RPi.
325 325  
326 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
361 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
327 327  
363 +(% class="mark" %)apt update
328 328  
329 -(% style="color:blue" %)**XXX**(%%): The default frequency band
365 +(% class="mark" %)apt install minicom
330 330  
331 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
332 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
333 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
334 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
335 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
336 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
337 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
338 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
339 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
340 340  
368 +Use minicom to connect to the RPI's terminal
341 341  
370 +[[image:image-20220602153146-3.png||height="439" width="500"]]
342 342  
343 -= 4.  Reference =
344 344  
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
345 345  
346 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
376 +[[image:image-20220602154928-5.png||height="436" width="500"]]
347 347  
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 +
348 348  
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