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Last modified by Xiaoling on 2025/02/07 16:37
From version 137.2
edited by Xiaoling
on 2022/07/29 08:57
Change comment: There is no comment for this version
To version 182.1
edited by Xiaoling
on 2025/02/07 16:37
Change comment: There is no comment for this version

Summary

Details

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Title
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1 -LA66 LoRaWAN Module
1 +LA66 USB LoRaWAN Adapter User Manual
Content
... ... @@ -6,34 +6,25 @@
6 6  
7 7  
8 8  
9 -= 1.  LA66 LoRaWAN Module =
10 10  
11 11  
12 -== 1.1  What is LA66 LoRaWAN Module ==
11 += 1.  LA66 USB LoRaWAN Adapter =
13 13  
13 +== 1.1  Overview ==
14 14  
15 -(((
16 -(((
17 -[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 -)))
19 19  
20 -(((
21 -
22 -)))
16 +[[image:image-20220715001142-3.png||height="194" width="294"]][[image:image-20240101111030-2.png]]
23 23  
18 +
24 24  (((
25 -(% 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.
20 +(% style="color:blue" %)**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.
26 26  )))
27 -)))
28 28  
29 29  (((
30 -(((
31 31  (% 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.
32 32  )))
33 -)))
34 34  
35 35  (((
36 -(((
37 37  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 38  )))
39 39  
... ... @@ -40,36 +40,34 @@
40 40  (((
41 41  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.
42 42  )))
43 -)))
44 44  
45 45  (((
46 -(((
47 47  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
48 48  )))
49 -)))
50 50  
51 51  
52 -
53 53  == 1.2  Features ==
54 54  
55 -* Support LoRaWAN v1.0.4 protocol
42 +
43 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
44 +* Ultra-long RF range
45 +* Support LoRaWAN v1.0.3 protocol
56 56  * Support peer-to-peer protocol
57 57  * TCXO crystal to ensure RF performance on low temperature
58 -* SMD Antenna pad and i-pex antenna connector
48 +* Spring RF antenna
59 59  * Available in different frequency LoRaWAN frequency bands.
60 60  * World-wide unique OTAA keys.
61 61  * AT Command via UART-TTL interface
62 62  * Firmware upgradable via UART interface
63 -* Ultra-long RF range
53 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
64 64  
65 -
66 66  == 1.3  Specification ==
67 67  
57 +
68 68  * CPU: 32-bit 48 MHz
69 69  * Flash: 256KB
70 70  * RAM: 64KB
71 -* Input Power Range: 1.8v ~~ 3.7v
72 -* Power Consumption: < 4uA.
61 +* Input Power Range: 5v
73 73  * Frequency Range: 150 MHz ~~ 960 MHz
74 74  * Maximum Power +22 dBm constant RF output
75 75  * High sensitivity: -148 dBm
... ... @@ -81,655 +81,455 @@
81 81  ** Operating: 10 ~~ 95% (Non-Condensing)
82 82  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
83 83  * LoRa Rx current: <9 mA
84 -* I/O Voltage: 3.3v
85 85  
74 +== 1.4  Pin Mapping & LED ==
86 86  
87 -== 1.4  AT Command ==
88 88  
77 +[[image:image-20220813183239-3.png||height="526" width="662"]]
89 89  
90 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
91 91  
80 +== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
92 92  
93 93  
94 -== 1.5  Dimension ==
95 -
96 -[[image:image-20220718094750-3.png]]
97 -
98 -
99 -
100 -== 1.6  Pin Mapping ==
101 -
102 -[[image:image-20220720111850-1.png]]
103 -
104 -
105 -
106 -== 1.7  Land Pattern ==
107 -
108 -[[image:image-20220517072821-2.png]]
109 -
110 -
111 -
112 -= 2.  LA66 LoRaWAN Shield =
113 -
114 -
115 -== 2.1  Overview ==
116 -
117 -
118 118  (((
119 -[[image:image-20220715000826-2.png||height="145" width="220"]]
84 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
120 120  )))
121 121  
122 -(((
123 -
124 -)))
87 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
125 125  
126 -(((
127 -(% 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.
128 -)))
89 +[[image:image-20220723100027-1.png]]
129 129  
130 -(((
131 -(((
132 -(% 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.
133 -)))
134 -)))
135 135  
136 -(((
137 -(((
138 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
139 -)))
140 -)))
92 +Open the serial port tool
141 141  
142 -(((
143 -(((
144 -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.
145 -)))
146 -)))
94 +[[image:image-20220602161617-8.png]]
147 147  
148 -(((
149 -(((
150 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
151 -)))
152 -)))
153 153  
97 +[[image:image-20220602161718-9.png||height="457" width="800"]]
154 154  
155 155  
156 -== 2.2  Features ==
100 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66_V1 USB LoRaWAN Adapter to reset it.（You do not need to reset the LA66 V2 USB LoRaWAN Adapter.）**
157 157  
158 -* Arduino Shield base on LA66 LoRaWAN module
159 -* Support LoRaWAN v1.0.4 protocol
160 -* Support peer-to-peer protocol
161 -* TCXO crystal to ensure RF performance on low temperature
162 -* SMA connector
163 -* Available in different frequency LoRaWAN frequency bands.
164 -* World-wide unique OTAA keys.
165 -* AT Command via UART-TTL interface
166 -* Firmware upgradable via UART interface
167 -* Ultra-long RF range
102 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
168 168  
104 +[[image:image-20220602161935-10.png||height="498" width="800"]]
169 169  
170 -== 2.3  Specification ==
171 171  
172 -* CPU: 32-bit 48 MHz
173 -* Flash: 256KB
174 -* RAM: 64KB
175 -* Input Power Range: 1.8v ~~ 3.7v
176 -* Power Consumption: < 4uA.
177 -* Frequency Range: 150 MHz ~~ 960 MHz
178 -* Maximum Power +22 dBm constant RF output
179 -* High sensitivity: -148 dBm
180 -* Temperature:
181 -** Storage: -55 ~~ +125℃
182 -** Operating: -40 ~~ +85℃
183 -* Humidity:
184 -** Storage: 5 ~~ 95% (Non-Condensing)
185 -** Operating: 10 ~~ 95% (Non-Condensing)
186 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
187 -* LoRa Rx current: <9 mA
188 -* I/O Voltage: 3.3v
107 +(% style="color:blue" %)**3. See Uplink Command**
189 189  
109 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
190 190  
191 -== 2.4  LED ==
111 +example: AT+SENDB=01,02,8,05820802581ea0a5
192 192  
113 +[[image:image-20220602162157-11.png||height="497" width="800"]]
193 193  
194 -~1. The LED lights up red when there is an upstream data packet
195 -2. When the network is successfully connected, the green light will be on for 5 seconds
196 -3. Purple light on when receiving downlink data packets
197 197  
116 +(% style="color:blue" %)**5.  Check to see if TTN received the message**
198 198  
118 +[[image:image-20220817093644-1.png]]
199 199  
200 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
201 201  
121 +== 1.6  Example: How to join helium ==
202 202  
203 -**Show connection diagram：**
204 204  
124 +(% style="color:blue" %)**1.  Create a new device.**
205 205  
206 -[[image:image-20220723170210-2.png||height="908" width="681"]]
126 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907165500-1.png?width=940&height=464&rev=1.1||alt="image-20220907165500-1.png"]]
207 207  
208 208  
129 +(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
209 209  
210 -(% style="color:blue" %)**1.  open Arduino IDE**
131 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907165837-2.png?width=809&height=375&rev=1.1||alt="image-20220907165837-2.png" height="375" width="809"]]
211 211  
212 212  
213 -[[image:image-20220723170545-4.png]]
134 +(% style="color:blue" %)**3.  Use AT commands.**
214 214  
136 +[[image:image-20220909151441-1.jpeg||height="695" width="521"]]
215 215  
216 216  
217 -(% style="color:blue" %)**2.  Open project**
139 +(% style="color:blue" %)**4.  Use the serial port tool**
218 218  
141 +[[image:image-20220909151517-2.png||height="543" width="708"]]
219 219  
220 -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]]
221 221  
222 -[[image:image-20220726135239-1.png]]
144 +(% style="color:blue" %)**5.  Use command AT+CFG to get device configuration**
223 223  
146 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170308-3.png?width=617&height=556&rev=1.1||alt="image-20220907170308-3.png" height="556" width="617"]]
224 224  
225 -(% 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**
226 226  
227 -[[image:image-20220726135356-2.png]]
149 +(% style="color:blue" %)**6.  Network successfully.**
228 228  
151 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170436-4.png?rev=1.1||alt="image-20220907170436-4.png"]]
229 229  
230 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
231 231  
154 +(% style="color:blue" %)**7.  Send uplink using command**
232 232  
233 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
156 +[[image:image-20220912085244-1.png]]
234 234  
158 +[[image:image-20220912085307-2.png]]
235 235  
236 236  
237 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
161 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170744-6.png?width=798&height=242&rev=1.1||alt="image-20220907170744-6.png" height="242" width="798"]]
238 238  
239 239  
240 -(% style="color:blue" %)**1.  Open project**
164 +== 1.7  Example: Send PC's CPU/RAM usage to TTN via python ==
241 241  
242 242  
243 -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]]
167 +**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]]
244 244  
169 +(**Raspberry Pi example: **[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py]])
245 245  
246 -[[image:image-20220723172502-8.png]]
247 247  
172 +(% style="color:red" %)**Preconditions:**
248 248  
174 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
249 249  
250 -(% 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 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
251 251  
252 252  
253 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
179 +(% style="color:blue" %)**Steps for usage:**
254 254  
181 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
255 255  
183 +(% style="color:blue" %)**2.**(%%) Add [[decoder>>https://github.com/dragino/dragino-end-node-decoder/tree/main/LA66%20USB]] on TTN
256 256  
257 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
185 +(% style="color:blue" %)**3.**(%%) Run the python script in PC and see the TTN
258 258  
259 259  
260 -(% style="color:blue" %)**1.  Open project**
188 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
261 261  
262 262  
263 -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]]
191 +== 1.8  Example: Send & Get Messages via LoRaWAN in RPi ==
264 264  
265 265  
266 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
194 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
267 267  
196 +(% style="color:blue" %)**1.  Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
268 268  
198 +[[image:image-20220723100439-2.png]]
269 269  
270 -(% 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**
271 271  
201 +(% style="color:blue" %)**2.  Install Minicom in RPi.**
272 272  
273 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
203 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
274 274  
205 + (% style="background-color:yellow" %)**apt update**
275 275  
207 + (% style="background-color:yellow" %)**apt install minicom**
276 276  
277 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
209 +Use minicom to connect to the RPI's terminal
278 278  
279 -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/]]
211 +[[image:image-20220602153146-3.png||height="439" width="500"]]
280 280  
281 -[[image:image-20220723175700-12.png||height="602" width="995"]]
282 282  
214 +(% style="color:blue" %)**3.  Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
283 283  
216 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
284 284  
285 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
218 +[[image:image-20220602154928-5.png||height="436" width="500"]]
286 286  
287 287  
288 -=== 2.8.1  Items needed for update ===
221 +(% style="color:blue" %)**4.  Send Uplink message**
289 289  
223 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
290 290  
291 -1. LA66 LoRaWAN Shield
292 -1. Arduino
293 -1. USB TO TTL Adapter
225 +example: AT+SENDB=01,02,8,05820802581ea0a5
294 294  
295 -[[image:image-20220602100052-2.png||height="385" width="600"]]
227 +[[image:image-20220602160339-6.png||height="517" width="600"]]
296 296  
297 297  
298 -=== 2.8.2  Connection ===
230 +Check to see if TTN received the message
299 299  
300 300  
301 -[[image:image-20220602101311-3.png||height="276" width="600"]]
233 +[[image:image-20220602160627-7.png||height="369" width="800"]]
302 302  
303 303  
304 -(((
305 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
306 -)))
236 +== 1.9  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
307 307  
308 -(((
309 -(% style="background-color:yellow" %)**GND  <-> GND
310 -TXD  <->  TXD
311 -RXD  <->  RXD**
312 -)))
238 +=== 1.9.1  Hardware and Software Connection ===
313 313  
314 314  
315 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
241 +(% class="wikigeneratedid" id="HOverviewFF1A" %)
242 +(% style="color:blue" %)**Overview：**
316 316  
317 -Connect USB TTL Adapter to PC after connecting the wires
318 -
319 -
320 -[[image:image-20220602102240-4.png||height="304" width="600"]]
321 -
322 -
323 -=== 2.8.3  Upgrade steps ===
324 -
325 -
326 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
327 -
328 -
329 -[[image:image-20220602102824-5.png||height="306" width="600"]]
330 -
331 -
332 -
333 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
334 -
335 -
336 -[[image:image-20220602104701-12.png||height="285" width="600"]]
337 -
338 -
339 -
340 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
341 -
342 -
343 343  (((
344 -(% 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/]]**
345 -)))
245 +DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
346 346  
347 -
348 -[[image:image-20220602103227-6.png]]
349 -
350 -
351 -[[image:image-20220602103357-7.png]]
352 -
353 -
354 -
355 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
356 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
357 -
358 -
359 -[[image:image-20220602103844-8.png]]
360 -
361 -
362 -
363 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
364 -(% style="color:blue" %)**3. Select the bin file to burn**
365 -
366 -
367 -[[image:image-20220602104144-9.png]]
368 -
369 -
370 -[[image:image-20220602104251-10.png]]
371 -
372 -
373 -[[image:image-20220602104402-11.png]]
374 -
375 -
376 -
377 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
378 -(% style="color:blue" %)**4. Click to start the download**
379 -
380 -[[image:image-20220602104923-13.png]]
381 -
382 -
383 -
384 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
385 -(% style="color:blue" %)**5. Check update process**
386 -
387 -
388 -[[image:image-20220602104948-14.png]]
389 -
390 -
391 -
392 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
393 -(% style="color:blue" %)**The following picture shows that the burning is successful**
394 -
395 -[[image:image-20220602105251-15.png]]
396 -
397 -
398 -
399 -= 3.  LA66 USB LoRaWAN Adapter =
400 -
401 -
402 -== 3.1  Overview ==
403 -
404 -
405 -[[image:image-20220715001142-3.png||height="145" width="220"]]
406 -
407 -
408 -(((
409 -(% style="color:blue" %)**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.
247 +* Send real-time location information of mobile phone to LoRaWAN network.
248 +* Check LoRaWAN network signal strengh.
249 +* Manually send messages to LoRaWAN network.
410 410  )))
411 411  
412 -(((
413 -(% 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.
414 -)))
415 415  
416 -(((
417 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
418 -)))
419 419  
420 -(((
421 -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.
422 -)))
254 +(% class="wikigeneratedid" id="HHardwareConnection:" %)
255 +(% style="color:blue" %)**Hardware Connection:**
423 423  
424 -(((
425 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
426 -)))
257 +A USB to Type-C adapter is needed to connect to a Mobile phone.
427 427  
259 +(% style="color:red" %)**Note: The package of LA66 USB adapter already includes this USB Type-C adapter.**
428 428  
261 +[[image:image-20220813174353-2.png||height="360" width="313"]]
429 429  
430 -== 3.2  Features ==
431 431  
432 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
433 -* Ultra-long RF range
434 -* Support LoRaWAN v1.0.4 protocol
435 -* Support peer-to-peer protocol
436 -* TCXO crystal to ensure RF performance on low temperature
437 -* Spring RF antenna
438 -* Available in different frequency LoRaWAN frequency bands.
439 -* World-wide unique OTAA keys.
440 -* AT Command via UART-TTL interface
441 -* Firmware upgradable via UART interface
442 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
264 +(% class="wikigeneratedid" id="HDownloadandInstallApp:" %)
265 +(% style="color:blue" %)**Download and Install App:**
443 443  
444 -== 3.3  Specification ==
267 +[[(% id="cke_bm_895007S" style="display:none" %)** **(%%)**Download Link for Android apk **>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]].  (Android Version Only)
445 445  
446 -* CPU: 32-bit 48 MHz
447 -* Flash: 256KB
448 -* RAM: 64KB
449 -* Input Power Range: 5v
450 -* Frequency Range: 150 MHz ~~ 960 MHz
451 -* Maximum Power +22 dBm constant RF output
452 -* High sensitivity: -148 dBm
453 -* Temperature:
454 -** Storage: -55 ~~ +125℃
455 -** Operating: -40 ~~ +85℃
456 -* Humidity:
457 -** Storage: 5 ~~ 95% (Non-Condensing)
458 -** Operating: 10 ~~ 95% (Non-Condensing)
459 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
460 -* LoRa Rx current: <9 mA
269 +[[image:image-20220813173738-1.png]]
461 461  
462 -== 3.4  Pin Mapping & LED ==
463 463  
272 +(% class="wikigeneratedid" id="HUseofAPP:" %)
273 +(% style="color:blue" %)**Use of APP:**
464 464  
275 +Function and page introduction:
465 465  
466 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
277 +[[image:image-20220723113448-7.png||height="911" width="412"]]
467 467  
468 468  
469 -(((
470 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
471 -)))
280 +(% style="color:blue" %)**Block Explain:**
472 472  
282 +1.  Display LA66 USB LoRaWAN Module connection status
473 473  
474 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
284 +2.  Check and reconnect
475 475  
286 +3.  Turn send timestamps on or off
476 476  
477 -[[image:image-20220723100027-1.png]]
288 +4.  Display LoRaWan connection status
478 478  
290 +5.  Check LoRaWan connection status
479 479  
480 -Open the serial port tool
292 +6.  The RSSI value of the node when the ACK is received
481 481  
482 -[[image:image-20220602161617-8.png]]
294 +7.  Node's Signal Strength Icon
483 483  
484 -[[image:image-20220602161718-9.png||height="457" width="800"]]
296 +8.  Configure Location Uplink Interval
485 485  
298 +9.  AT command input box
486 486  
300 +10.  Send Button:  Send input box info to LA66 USB Adapter
487 487  
488 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
302 +11.  Output Log from LA66 USB adapter
489 489  
490 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
304 +12.  clear log button
491 491  
306 +13.  exit button
492 492  
493 -[[image:image-20220602161935-10.png||height="498" width="800"]]
494 494  
309 +LA66 USB LoRaWAN Module not connected:
495 495  
311 +[[image:image-20220723110520-5.png||height="677" width="508"]]
496 496  
497 -(% style="color:blue" %)**3. See Uplink Command**
498 498  
499 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
314 +Connect LA66 USB LoRaWAN Module:
500 500  
501 -example: AT+SENDB=01,02,8,05820802581ea0a5
316 +[[image:image-20220723110626-6.png||height="681" width="511"]]
502 502  
503 -[[image:image-20220602162157-11.png||height="497" width="800"]]
504 504  
319 +=== 1.9.2  Send data to TTNv3 and plot location info in Node-Red ===
505 505  
506 506  
507 -(% style="color:blue" %)**4. Check to see if TTN received the message**
322 +(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
508 508  
509 -[[image:image-20220602162331-12.png||height="420" width="800"]]
324 +[[image:image-20220723134549-8.png]]
510 510  
511 511  
327 +(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
512 512  
513 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
514 514  
330 +Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
515 515  
516 -**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]]
332 +For the usage of Node-RED, please refer to: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]]
517 517  
518 -(**Raspberry Pi example: **[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py]])
334 +After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
519 519  
520 -(% style="color:red" %)**Preconditions:**
336 +LA66~-~-node-red~-~-decoder:[[dragino-end-node-decoder/Node-RED at main · dragino/dragino-end-node-decoder · GitHub>>url:https://github.com/dragino/dragino-end-node-decoder/tree/main/Node-RED]]
521 521  
522 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
523 523  
524 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
339 +Example output in NodeRed is as below:
525 525  
341 +[[image:image-20220723144339-1.png]]
526 526  
527 527  
528 -(% style="color:blue" %)**Steps for usage:**
344 +== 1.10  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
529 529  
530 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
346 +=== 1.10.1 Update method: For LA66 with bootloader ===
531 531  
532 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
533 533  
534 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
349 +* We ship the LA66 USB LoRaWAN Adapter with a boot loader by default, and the latest boot loader is V1.4. Users can download the new version of the boot loader by clicking on this [[link>>https://www.dropbox.com/scl/fo/ztlw35a9xbkomu71u31im/AFhmjtEOaipfBAFrpMCoWrI/LoRaWAN%20End%20Node/LA66%20LoRaWAN%20module/Firmware/OTA_Firmware?dl=0&rlkey=ojjcsw927eaow01dgooldq3nu&subfolder_nav_tracking=1]].
535 535  
351 +[[image:image-20250122110039-1.png||height="335" width="816"]]
536 536  
353 +(% style="color:red" %)**Note: Upgrading the boot loader requires using the upgrade method described in section 1.10.2.**
537 537  
538 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
539 539  
356 +* For the bootloader V1.4, compared to V1.3, his role is to support OTA configuration for T68DL (D let Gino product model).
540 540  
541 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
358 +So if your LA66 doesn't need this feature, you can also just follow the below to upgrade the firmware instead of the bootloader:
542 542  
360 +**Firmware download (Please select withbootloader version):**
543 543  
544 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
362 +[[Firmware - Dropbox>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AABJQUWNgt61Z567OcUf-sIya/LA66%20LoRaWAN%20module/Firmware?dl=0&subfolder_nav_tracking=1]]
545 545  
546 -[[image:image-20220723100439-2.png]]
547 547  
365 +**Firmware update method:**
548 548  
367 +Please refer to this link
549 549  
550 -(% style="color:blue" %)**2. Install Minicom in RPi.**
369 +[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H3.2.1UpdateafirmwareviaDraginoSensorManagerUtility.exe>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H3.2.1UpdateafirmwareviaDraginoSensorManagerUtility.exe]]
551 551  
552 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
553 553  
554 - (% style="background-color:yellow" %)**apt update**
372 +=== 1.10.2 Update method: For LA66 without bootloader ===
555 555  
556 - (% style="background-color:yellow" %)**apt install minicom**
557 557  
375 +* Explanation:
558 558  
559 -Use minicom to connect to the RPI's terminal
377 +For LA66 without a bootloader, we can only burn a bootloader for it in the following way. Because using OTA_Tool to upgrade the firmware of LA66 this address is (% style="color:blue" %)**0x0800D000**(%%) by default, but our bootloader needs to be burned at address .
560 560  
561 -[[image:image-20220602153146-3.png||height="439" width="500"]]
379 +Therefore, you can use this method to download the firmware with the boot loader directly or upgrade your boot loader (address from (% style="color:blue" %)**0x08000000**(%%)).
562 562  
381 +**Firmware download（Download firmware with bootloader）:**
563 563  
383 +[[Firmware - Dropbox>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AABJQUWNgt61Z567OcUf-sIya/LA66%20LoRaWAN%20module/Firmware?dl=0&subfolder_nav_tracking=1]]
564 564  
565 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
385 +[[image:image-20250122111651-2.png||height="243" width="682"]]
566 566  
567 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
568 568  
388 +* Upgrade Details:
569 569  
570 -[[image:image-20220602154928-5.png||height="436" width="500"]]
390 +The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method.
571 571  
392 +Just use the yellow jumper cap to short the BOOT corner and the RX corner, and then press the RESET button (without the jumper cap, you can directly short the BOOT corner and the RX corner with a wire to achieve the same effect).
572 572  
394 +(% style="color:red" %)**Notice: If upgrade via USB hub is not sucessful. try to connect to PC directly.**
573 573  
574 -(% style="color:blue" %)**4. Send Uplink message**
396 +[[image:image-20220723150132-2.png||height="514" width="506"]]
575 575  
576 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
577 577  
578 -example: AT+SENDB=01,02,8,05820802581ea0a5
399 +(% style="color:blue" %)**For the LA66 USB LoRaWAN Adapter v1.2, the hardware design has eliminated the reset button, so the first step we need to use the DuPont wire to connect the BOOT pin to the RX pin. Second, connect the LA66 USB LoRaWAN Adapter v1.2 to a USB hub or computer USB port so that it will enter burn mode. Then follow the steps below to burn the firmware.**
579 579  
401 +(% style="color:red" %)**Note: After the successful burning need to unplug the LA66 USB LoRaWAN Adapter v1.2, and then reconnect the computer interface, so that it will exit the burning mode.**
580 580  
581 -[[image:image-20220602160339-6.png||height="517" width="600"]]
403 +[[image:image-20240401171313-1.jpeg||height="521" width="792"]]
582 582  
583 583  
406 +(% class="wikigeneratedid" id="HOpentheUpgradetool28TremoProgrammer29inPCandUpgrade" %)
407 +(% style="color:blue" %)**Open the Upgrade tool (Tremo Programmer) in PC and Upgrade**
584 584  
585 -Check to see if TTN received the message
409 +**1.  Software download link:  [[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>url:https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]**
586 586  
587 -[[image:image-20220602160627-7.png||height="369" width="800"]]
411 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602103227-6.png?rev=1.1||alt="image-20220602103227-6.png"]]
588 588  
413 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602103357-7.png?rev=1.1||alt="image-20220602103357-7.png" height="486" width="390"]]
589 589  
590 590  
591 -== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
416 +**2.  Select the COM port corresponding to USB TTL**
592 592  
418 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602103844-8.png?rev=1.1||alt="image-20220602103844-8.png" height="291" width="389"]]
593 593  
594 -=== 3.8.1  DRAGINO-LA66-APP ===
595 595  
421 +**3.  Select the bin file to burn**
596 596  
597 -[[image:image-20220723102027-3.png]]
423 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104144-9.png?rev=1.1||alt="image-20220602104144-9.png" height="318" width="405"]]
598 598  
425 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104251-10.png?rev=1.1||alt="image-20220602104251-10.png" height="330" width="579"]]
599 599  
427 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104402-11.png?rev=1.1||alt="image-20220602104402-11.png" height="290" width="372"]]
600 600  
601 -==== (% style="color:blue" %)**Overview：**(%%) ====
602 602  
430 +**4.  Click to start the download**
603 603  
604 -(((
605 -DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Adapter and APP sample process. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Adapter.
606 -)))
432 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104923-13.png?rev=1.1||alt="image-20220602104923-13.png" height="462" width="372"]]
607 607  
608 -(((
609 -View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
610 -)))
611 611  
435 +**5.  Check update process**
612 612  
437 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104948-14.png?rev=1.1||alt="image-20220602104948-14.png" height="483" width="386"]]
613 613  
614 -==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
615 615  
440 +**The following picture shows that the burning is successful**
616 616  
617 -Requires a type-c to USB adapter
442 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602105251-15.png?rev=1.1||alt="image-20220602105251-15.png" height="513" width="406"]]
618 618  
619 -[[image:image-20220723104754-4.png]]
620 620  
445 += 2.  FAQ =
621 621  
447 +== 2.1  How to Compile Source Code for LA66? ==
622 622  
623 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
624 624  
450 +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]]
625 625  
626 -Function and page introduction
627 627  
628 -[[image:image-20220723113448-7.png||height="1481" width="670"]]
453 +== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
629 629  
630 630  
631 -1.Display LA66 USB LoRaWAN Module connection status
456 +Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.Instruction for LA66 Peer to Peer firmware.WebHome]]
632 632  
633 -2.Check and reconnect
634 634  
635 -3.Turn send timestamps on or off
459 +== 2.3 My device keeps showing invalid credentials, the device goes into low power mode ==
636 636  
637 -4.Display LoRaWan connection status
638 638  
639 -5.Check LoRaWan connection status
462 +Set the AT+COMMAND: (% style="color:blue" %)**AT+UUID=666666666666**
640 640  
641 -6.The RSSI value of the node when the ACK is received
642 642  
643 -7.Node's Signal Strength Icon
465 +== 2.4 How to use external antenna via ipex connector? ==
644 644  
645 -8.Set the packet sending interval of the node in seconds
646 646  
647 -9.AT command input box
468 +You need to remove the spring antenna first, and also remove the resistor and capacitor.
469 +Connect external antenna.
648 648  
649 -10.Send AT command button
471 +[[image:image-20231129155939-1.png||height="529" width="397"]]
650 650  
651 -11.Node log box
652 652  
653 -12.clear log button
474 += 3.  Order Info =
654 654  
655 -13.exit button
656 656  
477 +**Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
657 657  
658 -LA66 USB LoRaWAN Module not connected
479 +(% style="color:blue" %)**XXX**(%%): The default frequency band
659 659  
660 -[[image:image-20220723110520-5.png||height="903" width="677"]]
481 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
482 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
483 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
484 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
485 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
486 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
487 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
488 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
489 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
661 661  
491 += 4.  Reference =
662 662  
663 663  
664 -Connect LA66 USB LoRaWAN Module
494 +* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
495 +* Mobile Phone App Source Code: [[Download>>https://github.com/dragino/LA66_Mobile_App]].
665 665  
666 -[[image:image-20220723110626-6.png||height="906" width="680"]]
497 += 5.  FCC Statement =
667 667  
668 668  
500 +(% style="color:red" %)**FCC Caution:**
669 669  
670 -=== 3.8.2  Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Adapter and integrate it into Node-RED ===
502 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
671 671  
504 +This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
672 672  
673 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
674 674  
675 -[[image:image-20220723134549-8.png]]
507 +(% style="color:red" %)**IMPORTANT NOTE: **
676 676  
509 +(% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
677 677  
511 +—Reorient or relocate the receiving antenna.
678 678  
679 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
513 +—Increase the separation between the equipment and receiver.
680 680  
681 -Sample JSON file please go to this link to download：放置JSON文件的链接
515 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
682 682  
683 -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/]]
517 +—Consult the dealer or an experienced radio/TV technician for help.
684 684  
685 -The following is the positioning effect map
686 686  
687 -[[image:image-20220723144339-1.png]]
520 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
688 688  
522 +This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
689 689  
690 -
691 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
692 -
693 -
694 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
695 -
696 -Just use the yellow jumper cap to short the BOOT corner and the RX corner, and then press the RESET button (without the jumper cap, you can directly short the BOOT corner and the RX corner with a wire to achieve the same effect)
697 -
698 -[[image:image-20220723150132-2.png]]
699 -
700 -
701 -
702 -= 4.  FAQ =
703 -
704 -
705 -== 4.1  How to Compile Source Code for LA66? ==
706 -
707 -
708 -Compile and Upload Code to ASR6601 Platform ：
709 -
710 -
711 -
712 -= 5.  Order Info =
713 -
714 -
715 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
716 -
717 -
718 -(% style="color:blue" %)**XXX**(%%): The default frequency band
719 -
720 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
721 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
722 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
723 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
724 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
725 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
726 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
727 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
728 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
729 -
730 -
731 -
732 -= 6.  Reference =
733 -
734 -
735 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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