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Last modified by Xiaoling on 2025/02/07 16:37
From version 134.3
edited by Xiaoling
on 2022/07/26 10:37
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

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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  
... ... @@ -40,35 +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 65  == 1.3  Specification ==
66 66  
57 +
67 67  * CPU: 32-bit 48 MHz
68 68  * Flash: 256KB
69 69  * RAM: 64KB
70 -* Input Power Range: 1.8v ~~ 3.7v
71 -* Power Consumption: < 4uA.
61 +* Input Power Range: 5v
72 72  * Frequency Range: 150 MHz ~~ 960 MHz
73 73  * Maximum Power +22 dBm constant RF output
74 74  * High sensitivity: -148 dBm
... ... @@ -80,640 +80,455 @@
80 80  ** Operating: 10 ~~ 95% (Non-Condensing)
81 81  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
82 82  * LoRa Rx current: <9 mA
83 -* I/O Voltage: 3.3v
84 84  
85 -== 1.4  AT Command ==
74 +== 1.4  Pin Mapping & LED ==
86 86  
87 87  
88 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
77 +[[image:image-20220813183239-3.png||height="526" width="662"]]
89 89  
90 90  
80 +== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
91 91  
92 -== 1.5  Dimension ==
93 93  
94 -[[image:image-20220718094750-3.png]]
95 -
96 -
97 -
98 -== 1.6  Pin Mapping ==
99 -
100 -[[image:image-20220720111850-1.png]]
101 -
102 -
103 -
104 -== 1.7  Land Pattern ==
105 -
106 -[[image:image-20220517072821-2.png]]
107 -
108 -
109 -
110 -= 2.  LA66 LoRaWAN Shield =
111 -
112 -
113 -== 2.1  Overview ==
114 -
115 -
116 116  (((
117 -[[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.
118 118  )))
119 119  
120 -(((
121 -
122 -)))
87 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
123 123  
124 -(((
125 -(% 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.
126 -)))
89 +[[image:image-20220723100027-1.png]]
127 127  
128 -(((
129 -(((
130 -(% 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.
131 -)))
132 -)))
133 133  
134 -(((
135 -(((
136 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
137 -)))
138 -)))
92 +Open the serial port tool
139 139  
140 -(((
141 -(((
142 -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.
143 -)))
144 -)))
94 +[[image:image-20220602161617-8.png]]
145 145  
146 -(((
147 -(((
148 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
149 -)))
150 -)))
151 151  
97 +[[image:image-20220602161718-9.png||height="457" width="800"]]
152 152  
153 153  
154 -== 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.）**
155 155  
156 -* Arduino Shield base on LA66 LoRaWAN module
157 -* Support LoRaWAN v1.0.4 protocol
158 -* Support peer-to-peer protocol
159 -* TCXO crystal to ensure RF performance on low temperature
160 -* SMA connector
161 -* Available in different frequency LoRaWAN frequency bands.
162 -* World-wide unique OTAA keys.
163 -* AT Command via UART-TTL interface
164 -* Firmware upgradable via UART interface
165 -* Ultra-long RF range
102 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
166 166  
167 -== 2.3  Specification ==
104 +[[image:image-20220602161935-10.png||height="498" width="800"]]
168 168  
169 -* CPU: 32-bit 48 MHz
170 -* Flash: 256KB
171 -* RAM: 64KB
172 -* Input Power Range: 1.8v ~~ 3.7v
173 -* Power Consumption: < 4uA.
174 -* Frequency Range: 150 MHz ~~ 960 MHz
175 -* Maximum Power +22 dBm constant RF output
176 -* High sensitivity: -148 dBm
177 -* Temperature:
178 -** Storage: -55 ~~ +125℃
179 -** Operating: -40 ~~ +85℃
180 -* Humidity:
181 -** Storage: 5 ~~ 95% (Non-Condensing)
182 -** Operating: 10 ~~ 95% (Non-Condensing)
183 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
184 -* LoRa Rx current: <9 mA
185 -* I/O Voltage: 3.3v
186 186  
187 -== 2.4  LED ==
107 +(% style="color:blue" %)**3. See Uplink Command**
188 188  
189 -~1. The LED lights up red when there is an upstream data packet
190 -2. When the network is successfully connected, the green light will be on for 5 seconds
191 -3. Purple light on when receiving downlink data packets
109 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
192 192  
111 +example: AT+SENDB=01,02,8,05820802581ea0a5
193 193  
194 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
113 +[[image:image-20220602162157-11.png||height="497" width="800"]]
195 195  
196 196  
197 -**Show connection diagram：**
116 +(% style="color:blue" %)**5.  Check to see if TTN received the message**
198 198  
118 +[[image:image-20220817093644-1.png]]
199 199  
200 -[[image:image-20220723170210-2.png||height="908" width="681"]]
201 201  
121 +== 1.6  Example: How to join helium ==
202 202  
203 203  
204 -**1.  open Arduino IDE**
124 +(% style="color:blue" %)**1.  Create a new device.**
205 205  
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"]]
206 206  
207 -[[image:image-20220723170545-4.png]]
208 208  
129 +(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
209 209  
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"]]
210 210  
211 -**2.  Open project**
212 212  
134 +(% style="color:blue" %)**3.  Use AT commands.**
213 213  
214 -LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
136 +[[image:image-20220909151441-1.jpeg||height="695" width="521"]]
215 215  
216 -[[image:image-20220723170750-5.png||height="533" width="930"]]
217 217  
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 -**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**
221 221  
144 +(% style="color:blue" %)**5.  Use command AT+CFG to get device configuration**
222 222  
223 -[[image:image-20220723171228-6.png]]
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  
225 225  
149 +(% style="color:blue" %)**6.  Network successfully.**
226 226  
227 -**4.  After the upload is successful, open the serial port monitoring and send the AT command**
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"]]
228 228  
229 229  
230 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
154 +(% style="color:blue" %)**7.  Send uplink using command**
231 231  
156 +[[image:image-20220912085244-1.png]]
232 232  
158 +[[image:image-20220912085307-2.png]]
233 233  
234 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
235 235  
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"]]
236 236  
237 -**1.  Open project**
238 238  
164 +== 1.7  Example: Send PC's CPU/RAM usage to TTN via python ==
239 239  
240 -Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
241 241  
242 -[[image:image-20220723172502-8.png]]
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]]
243 243  
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]])
244 244  
245 245  
246 -2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
172 +(% style="color:red" %)**Preconditions:**
247 247  
174 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
248 248  
249 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
176 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
250 250  
251 251  
179 +(% style="color:blue" %)**Steps for usage:**
252 252  
253 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
181 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
254 254  
183 +(% style="color:blue" %)**2.**(%%) Add [[decoder>>https://github.com/dragino/dragino-end-node-decoder/tree/main/LA66%20USB]] on TTN
255 255  
256 -**1.  Open project**
185 +(% style="color:blue" %)**3.**(%%) Run the python script in PC and see the TTN
257 257  
258 258  
259 -Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
188 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
260 260  
261 261  
262 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
191 +== 1.8  Example: Send & Get Messages via LoRaWAN in RPi ==
263 263  
264 264  
194 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
265 265  
266 -**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
196 +(% style="color:blue" %)**1.  Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
267 267  
198 +[[image:image-20220723100439-2.png]]
268 268  
269 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
270 270  
201 +(% style="color:blue" %)**2.  Install Minicom in RPi.**
271 271  
203 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
272 272  
273 -**3.  Integration into Node-red via TTNV3**
205 + (% style="background-color:yellow" %)**apt update**
274 274  
275 -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/]]
207 + (% style="background-color:yellow" %)**apt install minicom**
276 276  
277 -[[image:image-20220723175700-12.png||height="602" width="995"]]
209 +Use minicom to connect to the RPI's terminal
278 278  
211 +[[image:image-20220602153146-3.png||height="439" width="500"]]
279 279  
280 280  
281 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
214 +(% style="color:blue" %)**3.  Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
282 282  
216 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
283 283  
284 -=== 2.8.1  Items needed for update ===
218 +[[image:image-20220602154928-5.png||height="436" width="500"]]
285 285  
286 286  
287 -1. LA66 LoRaWAN Shield
288 -1. Arduino
289 -1. USB TO TTL Adapter
221 +(% style="color:blue" %)**4.  Send Uplink message**
290 290  
291 -[[image:image-20220602100052-2.png||height="385" width="600"]]
223 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
292 292  
225 +example: AT+SENDB=01,02,8,05820802581ea0a5
293 293  
294 -=== 2.8.2  Connection ===
227 +[[image:image-20220602160339-6.png||height="517" width="600"]]
295 295  
296 296  
297 -[[image:image-20220602101311-3.png||height="276" width="600"]]
230 +Check to see if TTN received the message
298 298  
299 299  
300 -(((
301 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
302 -)))
233 +[[image:image-20220602160627-7.png||height="369" width="800"]]
303 303  
304 -(((
305 -(% style="background-color:yellow" %)**GND  <-> GND
306 -TXD  <->  TXD
307 -RXD  <->  RXD**
308 -)))
309 309  
236 +== 1.9  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
310 310  
311 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
238 +=== 1.9.1  Hardware and Software Connection ===
312 312  
313 -Connect USB TTL Adapter to PC after connecting the wires
314 314  
241 +(% class="wikigeneratedid" id="HOverviewFF1A" %)
242 +(% style="color:blue" %)**Overview：**
315 315  
316 -[[image:image-20220602102240-4.png||height="304" width="600"]]
317 -
318 -
319 -=== 2.8.3  Upgrade steps ===
320 -
321 -
322 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
323 -
324 -
325 -[[image:image-20220602102824-5.png||height="306" width="600"]]
326 -
327 -
328 -
329 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
330 -
331 -
332 -[[image:image-20220602104701-12.png||height="285" width="600"]]
333 -
334 -
335 -
336 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
337 -
338 -
339 339  (((
340 -(% 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/]]**
341 -)))
245 +DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
342 342  
343 -
344 -[[image:image-20220602103227-6.png]]
345 -
346 -
347 -[[image:image-20220602103357-7.png]]
348 -
349 -
350 -
351 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
352 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
353 -
354 -
355 -[[image:image-20220602103844-8.png]]
356 -
357 -
358 -
359 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
360 -(% style="color:blue" %)**3. Select the bin file to burn**
361 -
362 -
363 -[[image:image-20220602104144-9.png]]
364 -
365 -
366 -[[image:image-20220602104251-10.png]]
367 -
368 -
369 -[[image:image-20220602104402-11.png]]
370 -
371 -
372 -
373 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
374 -(% style="color:blue" %)**4. Click to start the download**
375 -
376 -[[image:image-20220602104923-13.png]]
377 -
378 -
379 -
380 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
381 -(% style="color:blue" %)**5. Check update process**
382 -
383 -
384 -[[image:image-20220602104948-14.png]]
385 -
386 -
387 -
388 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
389 -(% style="color:blue" %)**The following picture shows that the burning is successful**
390 -
391 -[[image:image-20220602105251-15.png]]
392 -
393 -
394 -
395 -= 3.  LA66 USB LoRaWAN Adapter =
396 -
397 -
398 -== 3.1  Overview ==
399 -
400 -
401 -[[image:image-20220715001142-3.png||height="145" width="220"]]
402 -
403 -
404 -(((
405 -(% 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.
406 406  )))
407 407  
408 -(((
409 -(% 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.
410 -)))
411 411  
412 -(((
413 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
414 -)))
415 415  
416 -(((
417 -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.
418 -)))
254 +(% class="wikigeneratedid" id="HHardwareConnection:" %)
255 +(% style="color:blue" %)**Hardware Connection:**
419 419  
420 -(((
421 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
422 -)))
257 +A USB to Type-C adapter is needed to connect to a Mobile phone.
423 423  
259 +(% style="color:red" %)**Note: The package of LA66 USB adapter already includes this USB Type-C adapter.**
424 424  
261 +[[image:image-20220813174353-2.png||height="360" width="313"]]
425 425  
426 -== 3.2  Features ==
427 427  
428 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
429 -* Ultra-long RF range
430 -* Support LoRaWAN v1.0.4 protocol
431 -* Support peer-to-peer protocol
432 -* TCXO crystal to ensure RF performance on low temperature
433 -* Spring RF antenna
434 -* Available in different frequency LoRaWAN frequency bands.
435 -* World-wide unique OTAA keys.
436 -* AT Command via UART-TTL interface
437 -* Firmware upgradable via UART interface
438 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
264 +(% class="wikigeneratedid" id="HDownloadandInstallApp:" %)
265 +(% style="color:blue" %)**Download and Install App:**
439 439  
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)
440 440  
269 +[[image:image-20220813173738-1.png]]
441 441  
442 -== 3.3  Specification ==
443 443  
444 -* CPU: 32-bit 48 MHz
445 -* Flash: 256KB
446 -* RAM: 64KB
447 -* Input Power Range: 5v
448 -* Frequency Range: 150 MHz ~~ 960 MHz
449 -* Maximum Power +22 dBm constant RF output
450 -* High sensitivity: -148 dBm
451 -* Temperature:
452 -** Storage: -55 ~~ +125℃
453 -** Operating: -40 ~~ +85℃
454 -* Humidity:
455 -** Storage: 5 ~~ 95% (Non-Condensing)
456 -** Operating: 10 ~~ 95% (Non-Condensing)
457 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
458 -* LoRa Rx current: <9 mA
272 +(% class="wikigeneratedid" id="HUseofAPP:" %)
273 +(% style="color:blue" %)**Use of APP:**
459 459  
275 +Function and page introduction:
460 460  
277 +[[image:image-20220723113448-7.png||height="911" width="412"]]
461 461  
462 -== 3.4  Pin Mapping & LED ==
463 463  
280 +(% style="color:blue" %)**Block Explain:**
464 464  
282 +1.  Display LA66 USB LoRaWAN Module connection status
465 465  
466 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
284 +2.  Check and reconnect
467 467  
286 +3.  Turn send timestamps on or off
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 -)))
288 +4.  Display LoRaWan connection status
472 472  
290 +5.  Check LoRaWan connection status
473 473  
474 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
292 +6.  The RSSI value of the node when the ACK is received
475 475  
294 +7.  Node's Signal Strength Icon
476 476  
477 -[[image:image-20220723100027-1.png]]
296 +8.  Configure Location Uplink Interval
478 478  
298 +9.  AT command input box
479 479  
480 -Open the serial port tool
300 +10.  Send Button:  Send input box info to LA66 USB Adapter
481 481  
482 -[[image:image-20220602161617-8.png]]
302 +11.  Output Log from LA66 USB adapter
483 483  
484 -[[image:image-20220602161718-9.png||height="457" width="800"]]
304 +12.  clear log button
485 485  
306 +13.  exit button
486 486  
487 487  
488 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
309 +LA66 USB LoRaWAN Module not connected:
489 489  
490 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
311 +[[image:image-20220723110520-5.png||height="677" width="508"]]
491 491  
492 492  
493 -[[image:image-20220602161935-10.png||height="498" width="800"]]
314 +Connect LA66 USB LoRaWAN Module:
494 494  
316 +[[image:image-20220723110626-6.png||height="681" width="511"]]
495 495  
496 496  
497 -(% style="color:blue" %)**3. See Uplink Command**
319 +=== 1.9.2  Send data to TTNv3 and plot location info in Node-Red ===
498 498  
499 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
500 500  
501 -example: AT+SENDB=01,02,8,05820802581ea0a5
322 +(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
502 502  
503 -[[image:image-20220602162157-11.png||height="497" width="800"]]
324 +[[image:image-20220723134549-8.png]]
504 504  
505 505  
327 +(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
506 506  
507 -(% style="color:blue" %)**4. Check to see if TTN received the message**
508 508  
509 -[[image:image-20220602162331-12.png||height="420" width="800"]]
330 +Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
510 510  
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/]]
511 511  
334 +After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
512 512  
513 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
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]]
514 514  
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]]
339 +Example output in NodeRed is as below:
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]])
341 +[[image:image-20220723144339-1.png]]
519 519  
520 -(% style="color:red" %)**Preconditions:**
521 521  
522 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
344 +== 1.10  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
523 523  
524 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
346 +=== 1.10.1 Update method: For LA66 with bootloader ===
525 525  
526 526  
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]].
527 527  
528 -(% style="color:blue" %)**Steps for usage:**
351 +[[image:image-20250122110039-1.png||height="335" width="816"]]
529 529  
530 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
353 +(% style="color:red" %)**Note: Upgrading the boot loader requires using the upgrade method described in section 1.10.2.**
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"]]
356 +* For the bootloader V1.4, compared to V1.3, his role is to support OTA configuration for T68DL (D let Gino product model).
535 535  
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:
536 536  
360 +**Firmware download (Please select withbootloader version):**
537 537  
538 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
362 +[[Firmware - Dropbox>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AABJQUWNgt61Z567OcUf-sIya/LA66%20LoRaWAN%20module/Firmware?dl=0&subfolder_nav_tracking=1]]
539 539  
540 540  
541 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
365 +**Firmware update method:**
542 542  
367 +Please refer to this link
543 543  
544 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
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]]
545 545  
546 -[[image:image-20220723100439-2.png]]
547 547  
372 +=== 1.10.2 Update method: For LA66 without bootloader ===
548 548  
549 549  
550 -(% style="color:blue" %)**2. Install Minicom in RPi.**
375 +* Explanation:
551 551  
552 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi 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 .
553 553  
554 - (% style="background-color:yellow" %)**apt update**
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**(%%)).
555 555  
556 - (% style="background-color:yellow" %)**apt install minicom**
381 +**Firmware download（Download firmware with bootloader）:**
557 557  
383 +[[Firmware - Dropbox>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AABJQUWNgt61Z567OcUf-sIya/LA66%20LoRaWAN%20module/Firmware?dl=0&subfolder_nav_tracking=1]]
558 558  
559 -Use minicom to connect to the RPI's terminal
385 +[[image:image-20250122111651-2.png||height="243" width="682"]]
560 560  
561 -[[image:image-20220602153146-3.png||height="439" width="500"]]
562 562  
388 +* Upgrade Details:
563 563  
390 +The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method.
564 564  
565 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
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).
566 566  
567 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
394 +(% style="color:red" %)**Notice: If upgrade via USB hub is not sucessful. try to connect to PC directly.**
568 568  
396 +[[image:image-20220723150132-2.png||height="514" width="506"]]
569 569  
570 -[[image:image-20220602154928-5.png||height="436" width="500"]]
571 571  
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.**
572 572  
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.**
573 573  
574 -(% style="color:blue" %)**4. Send Uplink message**
403 +[[image:image-20240401171313-1.jpeg||height="521" width="792"]]
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
406 +(% class="wikigeneratedid" id="HOpentheUpgradetool28TremoProgrammer29inPCandUpgrade" %)
407 +(% style="color:blue" %)**Open the Upgrade tool (Tremo Programmer) in PC and Upgrade**
579 579  
409 +**1.  Software download link:  [[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>url:https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]**
580 580  
581 -[[image:image-20220602160339-6.png||height="517" width="600"]]
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"]]
582 582  
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"]]
583 583  
584 584  
585 -Check to see if TTN received the message
416 +**2.  Select the COM port corresponding to USB TTL**
586 586  
587 -[[image:image-20220602160627-7.png||height="369" width="800"]]
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"]]
588 588  
589 589  
421 +**3.  Select the bin file to burn**
590 590  
591 -== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
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"]]
592 592  
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"]]
593 593  
594 -=== 3.8.1 DRAGINO-LA66-APP ===
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"]]
595 595  
596 596  
597 -[[image:image-20220723102027-3.png]]
430 +**4.  Click to start the download**
598 598  
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"]]
599 599  
600 600  
601 -==== (% style="color:blue" %)**Overview：**(%%) ====
435 +**5.  Check update process**
602 602  
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"]]
603 603  
604 -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.
605 605  
606 -View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
440 +**The following picture shows that the burning is successful**
607 607  
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"]]
608 608  
609 609  
610 -==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
445 += 2.  FAQ =
611 611  
447 +== 2.1  How to Compile Source Code for LA66? ==
612 612  
613 -Requires a type-c to USB adapter
614 614  
615 -[[image:image-20220723104754-4.png]]
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]]
616 616  
617 617  
453 +== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
618 618  
619 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
620 620  
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]]
621 621  
622 -Function and page introduction
623 623  
624 -[[image:image-20220723113448-7.png||height="1481" width="670"]]
459 +== 2.3 My device keeps showing invalid credentials, the device goes into low power mode ==
625 625  
626 -1.Display LA66 USB LoRaWAN Module connection status
627 627  
628 -2.Check and reconnect
462 +Set the AT+COMMAND: (% style="color:blue" %)**AT+UUID=666666666666**
629 629  
630 -3.Turn send timestamps on or off
631 631  
632 -4.Display LoRaWan connection status
465 +== 2.4 How to use external antenna via ipex connector? ==
633 633  
634 -5.Check LoRaWan connection status
635 635  
636 -6.The RSSI value of the node when the ACK is received
468 +You need to remove the spring antenna first, and also remove the resistor and capacitor.
469 +Connect external antenna.
637 637  
638 -7.Node's Signal Strength Icon
471 +[[image:image-20231129155939-1.png||height="529" width="397"]]
639 639  
640 -8.Set the packet sending interval of the node in seconds
641 641  
642 -9.AT command input box
474 += 3.  Order Info =
643 643  
644 -10.Send AT command button
645 645  
646 -11.Node log box
477 +**Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
647 647  
648 -12.clear log button
479 +(% style="color:blue" %)**XXX**(%%): The default frequency band
649 649  
650 -13.exit button
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
651 651  
491 += 4.  Reference =
652 652  
653 -LA66 USB LoRaWAN Module not connected
654 654  
655 -[[image:image-20220723110520-5.png||height="903" width="677"]]
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]].
656 656  
497 += 5.  FCC Statement =
657 657  
658 658  
659 -Connect LA66 USB LoRaWAN Module
500 +(% style="color:red" %)**FCC Caution:**
660 660  
661 -[[image:image-20220723110626-6.png||height="906" width="680"]]
502 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
662 662  
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.
663 663  
664 664  
665 -=== 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 ===
507 +(% style="color:red" %)**IMPORTANT NOTE: **
666 666  
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:
667 667  
668 -**1.  Register LA66 USB LoRaWAN Module to TTNV3**
511 +—Reorient or relocate the receiving antenna.
669 669  
670 -[[image:image-20220723134549-8.png]]
513 +—Increase the separation between the equipment and receiver.
671 671  
515 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
672 672  
517 +—Consult the dealer or an experienced radio/TV technician for help.
673 673  
674 -**2.  Open Node-RED,And import the JSON file to generate the flow**
675 675  
676 -Sample JSON file please go to this link to download：放置JSON文件的链接
520 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
677 677  
678 -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/]]
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.
679 679  
680 -The following is the positioning effect map
681 -
682 -[[image:image-20220723144339-1.png]]
683 -
684 -
685 -
686 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
687 -
688 -
689 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
690 -
691 -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)
692 -
693 -[[image:image-20220723150132-2.png]]
694 -
695 -
696 -
697 -= 4.  Order Info =
698 -
699 -
700 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
701 -
702 -
703 -(% style="color:blue" %)**XXX**(%%): The default frequency band
704 -
705 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
706 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
707 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
708 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
709 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
710 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
711 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
712 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
713 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
714 -
715 -
716 -= 5.  Reference =
717 -
718 -
719 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
524 +
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