Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 73.1 >
edited by Edwin Chen
on 2022/07/03 00:12
To version < 125.1 >
edited by Herong Lu
on 2022/07/23 17:16
>
Change comment: There is no comment for this version

Summary

Details

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Author
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1 -XWiki.Edwin
1 +XWiki.Lu
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1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
1 +0
2 +
3 +**Table of Contents:**
4 +
2 2  {{toc/}}
3 -{{/box}}
4 4  
5 -= LA66 LoRaWAN Module =
6 6  
7 -== What is LA66 LoRaWAN Module ==
8 8  
9 += 1.  LA66 LoRaWAN Module =
10 +
11 +
12 +== 1.1  What is LA66 LoRaWAN Module ==
13 +
14 +
15 +(((
16 +(((
17 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 +)))
19 +
20 +(((
21 +
22 +)))
23 +
24 +(((
9 9  (% 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.
26 +)))
27 +)))
10 10  
11 -(% 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.
29 +(((
30 +(((
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 +)))
33 +)))
12 12  
35 +(((
36 +(((
13 13  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 +)))
14 14  
40 +(((
15 15  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 +)))
43 +)))
16 16  
45 +(((
46 +(((
17 17  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
48 +)))
49 +)))
18 18  
19 19  
20 -== Features ==
21 21  
53 +== 1.2  Features ==
54 +
22 22  * Support LoRaWAN v1.0.4 protocol
23 23  * Support peer-to-peer protocol
24 24  * TCXO crystal to ensure RF performance on low temperature
... ... @@ -29,7 +29,7 @@
29 29  * Firmware upgradable via UART interface
30 30  * Ultra-long RF range
31 31  
32 -== Specification ==
65 +== 1.3  Specification ==
33 33  
34 34  * CPU: 32-bit 48 MHz
35 35  * Flash: 256KB
... ... @@ -49,50 +49,77 @@
49 49  * LoRa Rx current: <9 mA
50 50  * I/O Voltage: 3.3v
51 51  
52 -== AT Command ==
85 +== 1.4  AT Command ==
53 53  
87 +
54 54  AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
55 55  
56 56  
57 -== Dimension ==
58 58  
59 -[[image:image-20220517072526-1.png]]
92 +== 1.5  Dimension ==
60 60  
94 +[[image:image-20220718094750-3.png]]
61 61  
62 -== Pin Mapping ==
63 63  
64 -[[image:image-20220523101537-1.png]]
65 65  
66 -== Land Pattern ==
98 +== 1.6  Pin Mapping ==
67 67  
100 +[[image:image-20220720111850-1.png]]
101 +
102 +
103 +
104 +== 1.7  Land Pattern ==
105 +
68 68  [[image:image-20220517072821-2.png]]
69 69  
70 70  
71 -== Order Info ==
72 72  
73 -Part Number: **LA66-XXX**
110 += 2.  LA66 LoRaWAN Shield =
74 74  
75 -**XX**: The default frequency band
76 76  
77 -* **AS923**: LoRaWAN AS923 band
78 -* **AU915**: LoRaWAN AU915 band
79 -* **EU433**: LoRaWAN EU433 band
80 -* **EU868**: LoRaWAN EU868 band
81 -* **KR920**: LoRaWAN KR920 band
82 -* **US915**: LoRaWAN US915 band
83 -* **IN865**: LoRaWAN IN865 band
84 -* **CN470**: LoRaWAN CN470 band
85 -* **PP**: Peer to Peer LoRa Protocol
113 +== 2.1  Overview ==
86 86  
87 -= LA66 LoRaWAN Shield =
88 88  
89 -== Overview ==
116 +(((
117 +[[image:image-20220715000826-2.png||height="145" width="220"]]
118 +)))
90 90  
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.
120 +(((
121 +
122 +)))
92 92  
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 +)))
93 93  
94 -== Features ==
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 +)))
95 95  
134 +(((
135 +(((
136 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
137 +)))
138 +)))
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 +)))
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 +
152 +
153 +
154 +== 2.2  Features ==
155 +
96 96  * Arduino Shield base on LA66 LoRaWAN module
97 97  * Support LoRaWAN v1.0.4 protocol
98 98  * Support peer-to-peer protocol
... ... @@ -104,7 +104,7 @@
104 104  * Firmware upgradable via UART interface
105 105  * Ultra-long RF range
106 106  
107 -== Specification ==
167 +== 2.3  Specification ==
108 108  
109 109  * CPU: 32-bit 48 MHz
110 110  * Flash: 256KB
... ... @@ -124,120 +124,188 @@
124 124  * LoRa Rx current: <9 mA
125 125  * I/O Voltage: 3.3v
126 126  
127 -== Pin Mapping & LED ==
187 +== 2.4  LED ==
128 128  
129 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
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
130 130  
131 -== Example: Join TTN network and send an uplink message, get downlink message. ==
132 132  
133 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
194 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
134 134  
135 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
196 +Show connection diagram：
136 136  
137 -=== what needs to be used ===
198 +[[image:image-20220723170210-2.png||height="908" width="681"]]
138 138  
139 -1.LA66 LoRaWAN Shield that needs to be upgraded
200 +1.open Arduino IDE
140 140  
141 -2.Arduino
202 +[[image:image-20220723170545-4.png]]
142 142  
143 -3.USB TO TTL
204 +2.Open project
144 144  
145 -[[image:image-20220602100052-2.png]]
206 +[[image:image-20220723170750-5.png]]
146 146  
147 -=== Wiring Schematic ===
208 +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
148 148  
149 -[[image:image-20220602101311-3.png]]
210 +[[image:image-20220723171228-6.png]]
150 150  
151 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
212 +4.After the upload is successful, open the serial port monitoring and send the AT command
152 152  
153 -GND  >>>>>>>>>>>>GND
154 154  
155 -TXD  >>>>>>>>>>>>TXD
215 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
156 156  
157 -RXD  >>>>>>>>>>>>RXD
158 158  
159 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
160 160  
161 -Connect to the PC after connecting the wires
219 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
162 162  
163 -[[image:image-20220602102240-4.png]]
164 164  
165 -=== Upgrade steps ===
166 166  
167 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
223 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
168 168  
169 -[[image:image-20220602102824-5.png]]
170 170  
171 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
226 +=== 2.8.1  Items needed for update ===
172 172  
173 -[[image:image-20220602104701-12.png]]
228 +1. LA66 LoRaWAN Shield
229 +1. Arduino
230 +1. USB TO TTL Adapter
174 174  
175 -==== Open the upgrade application software ====
232 +[[image:image-20220602100052-2.png||height="385" width="600"]]
176 176  
177 -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/]]
178 178  
235 +=== 2.8.2  Connection ===
236 +
237 +
238 +[[image:image-20220602101311-3.png||height="276" width="600"]]
239 +
240 +
241 +(((
242 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
243 +)))
244 +
245 +(((
246 +(% style="background-color:yellow" %)**GND  <-> GND
247 +TXD  <->  TXD
248 +RXD  <->  RXD**
249 +)))
250 +
251 +
252 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
253 +
254 +Connect USB TTL Adapter to PC after connecting the wires
255 +
256 +
257 +[[image:image-20220602102240-4.png||height="304" width="600"]]
258 +
259 +
260 +=== 2.8.3  Upgrade steps ===
261 +
262 +
263 +==== 1.  Switch SW1 to put in ISP position ====
264 +
265 +
266 +[[image:image-20220602102824-5.png||height="306" width="600"]]
267 +
268 +
269 +
270 +==== 2.  Press the RST switch once ====
271 +
272 +
273 +[[image:image-20220602104701-12.png||height="285" width="600"]]
274 +
275 +
276 +
277 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
278 +
279 +
280 +(((
281 +(% 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/]]**
282 +)))
283 +
284 +
179 179  [[image:image-20220602103227-6.png]]
180 180  
287 +
181 181  [[image:image-20220602103357-7.png]]
182 182  
183 -===== Select the COM port corresponding to USB TTL =====
184 184  
291 +
292 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
293 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
294 +
295 +
185 185  [[image:image-20220602103844-8.png]]
186 186  
187 -===== Select the bin file to burn =====
188 188  
299 +
300 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
301 +(% style="color:blue" %)**3. Select the bin file to burn**
302 +
303 +
189 189  [[image:image-20220602104144-9.png]]
190 190  
306 +
191 191  [[image:image-20220602104251-10.png]]
192 192  
309 +
193 193  [[image:image-20220602104402-11.png]]
194 194  
195 -===== Click to start the download =====
196 196  
313 +
314 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
315 +(% style="color:blue" %)**4. Click to start the download**
316 +
197 197  [[image:image-20220602104923-13.png]]
198 198  
199 -===== The following figure appears to prove that the burning is in progress =====
200 200  
320 +
321 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
322 +(% style="color:blue" %)**5. Check update process**
323 +
324 +
201 201  [[image:image-20220602104948-14.png]]
202 202  
203 -===== The following picture appears to prove that the burning is successful =====
204 204  
328 +
329 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
330 +(% style="color:blue" %)**The following picture shows that the burning is successful**
331 +
205 205  [[image:image-20220602105251-15.png]]
206 206  
207 207  
208 -== Order Info ==
209 209  
210 -Part Number: **LA66-LoRaWAN-Shield-XXX**
336 += 3.  LA66 USB LoRaWAN Adapter =
211 211  
212 -**XX**: The default frequency band
213 213  
214 -* **AS923**: LoRaWAN AS923 band
215 -* **AU915**: LoRaWAN AU915 band
216 -* **EU433**: LoRaWAN EU433 band
217 -* **EU868**: LoRaWAN EU868 band
218 -* **KR920**: LoRaWAN KR920 band
219 -* **US915**: LoRaWAN US915 band
220 -* **IN865**: LoRaWAN IN865 band
221 -* **CN470**: LoRaWAN CN470 band
222 -* **PP**: Peer to Peer LoRa Protocol
339 +== 3.1  Overview ==
223 223  
224 -== Package Info ==
225 225  
226 -* LA66 LoRaWAN Shield x 1
227 -* RF Antenna x 1
342 +[[image:image-20220715001142-3.png||height="145" width="220"]]
228 228  
229 229  
345 +(((
346 +(% 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.
347 +)))
230 230  
349 +(((
350 +(% 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.
351 +)))
231 231  
232 -= LA66 USB LoRaWAN Adapter =
353 +(((
354 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
355 +)))
233 233  
234 -== Overview ==
357 +(((
358 +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.
359 +)))
235 235  
236 -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.
361 +(((
362 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
363 +)))
237 237  
238 238  
239 -== Features ==
240 240  
367 +== 3.2  Features ==
368 +
241 241  * LoRaWAN USB adapter base on LA66 LoRaWAN module
242 242  * Ultra-long RF range
243 243  * Support LoRaWAN v1.0.4 protocol
... ... @@ -248,11 +248,10 @@
248 248  * World-wide unique OTAA keys.
249 249  * AT Command via UART-TTL interface
250 250  * Firmware upgradable via UART interface
379 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
251 251  
381 +== 3.3  Specification ==
252 252  
253 -
254 -== Specification ==
255 -
256 256  * CPU: 32-bit 48 MHz
257 257  * Flash: 256KB
258 258  * RAM: 64KB
... ... @@ -269,120 +269,236 @@
269 269  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
270 270  * LoRa Rx current: <9 mA
271 271  
399 +== 3.4  Pin Mapping & LED ==
272 272  
273 273  
274 -== Pin Mapping & LED ==
275 275  
276 -== Example Send & Get Messages via LoRaWAN in PC ==
403 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
277 277  
278 -Connect the LA66 LoRa Shield to the PC
279 279  
280 -[[image:image-20220602171217-1.png||height="615" width="915"]]
406 +(((
407 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
408 +)))
281 281  
410 +
411 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
412 +
413 +
414 +[[image:image-20220723100027-1.png]]
415 +
416 +
282 282  Open the serial port tool
283 283  
284 284  [[image:image-20220602161617-8.png]]
285 285  
286 -[[image:image-20220602161718-9.png||height="529" width="927"]]
421 +[[image:image-20220602161718-9.png||height="457" width="800"]]
287 287  
288 -Press the reset switch RST on the LA66 LoRa Shield.
289 289  
290 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
291 291  
292 -[[image:image-20220602161935-10.png]]
425 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
293 293  
294 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
427 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
295 295  
429 +
430 +[[image:image-20220602161935-10.png||height="498" width="800"]]
431 +
432 +
433 +
434 +(% style="color:blue" %)**3. See Uplink Command**
435 +
436 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
437 +
296 296  example: AT+SENDB=01,02,8,05820802581ea0a5
297 297  
298 -[[image:image-20220602162157-11.png]]
440 +[[image:image-20220602162157-11.png||height="497" width="800"]]
299 299  
300 -Check to see if TTN received the message
301 301  
302 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
303 303  
304 -== Example Send & Get Messages via LoRaWAN in RPi ==
444 +(% style="color:blue" %)**4. Check to see if TTN received the message**
305 305  
306 -Connect the LA66 LoRa Shield to the RPI
446 +[[image:image-20220602162331-12.png||height="420" width="800"]]
307 307  
308 -[[image:image-20220602171233-2.png||height="592" width="881"]]
309 309  
310 -Log in to the RPI's terminal and connect to the serial port
311 311  
312 -[[image:image-20220602153146-3.png]]
450 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
313 313  
314 -Press the reset switch RST on the LA66 LoRa Shield.
315 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
316 316  
317 -[[image:image-20220602154928-5.png]]
453 +**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]]
318 318  
319 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
455 +(**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]])
320 320  
457 +(% style="color:red" %)**Preconditions:**
458 +
459 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
460 +
461 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
462 +
463 +
464 +
465 +(% style="color:blue" %)**Steps for usage:**
466 +
467 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
468 +
469 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
470 +
471 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
472 +
473 +
474 +
475 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
476 +
477 +
478 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
479 +
480 +
481 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
482 +
483 +[[image:image-20220723100439-2.png]]
484 +
485 +
486 +
487 +(% style="color:blue" %)**2. Install Minicom in RPi.**
488 +
489 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
490 +
491 + (% style="background-color:yellow" %)**apt update**
492 +
493 + (% style="background-color:yellow" %)**apt install minicom**
494 +
495 +
496 +Use minicom to connect to the RPI's terminal
497 +
498 +[[image:image-20220602153146-3.png||height="439" width="500"]]
499 +
500 +
501 +
502 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
503 +
504 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
505 +
506 +
507 +[[image:image-20220602154928-5.png||height="436" width="500"]]
508 +
509 +
510 +
511 +(% style="color:blue" %)**4. Send Uplink message**
512 +
513 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
514 +
321 321  example: AT+SENDB=01,02,8,05820802581ea0a5
322 322  
323 -[[image:image-20220602160339-6.png]]
324 324  
518 +[[image:image-20220602160339-6.png||height="517" width="600"]]
519 +
520 +
521 +
325 325  Check to see if TTN received the message
326 326  
327 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
524 +[[image:image-20220602160627-7.png||height="369" width="800"]]
328 328  
329 -=== Install Minicom ===
330 330  
331 -Enter the following command in the RPI terminal
332 332  
333 -apt update
528 +== 3.8  Example: Use of LA66 USB LoRaWAN Module and DRAGINO-LA66-APP. ==
334 334  
335 -[[image:image-20220602143155-1.png]]
530 +=== 3.8.1 DRAGINO-LA66-APP ===
336 336  
337 -apt install minicom
532 +[[image:image-20220723102027-3.png]]
338 338  
339 -[[image:image-20220602143744-2.png]]
534 +==== Overview： ====
340 340  
341 -=== Send PC's CPU/RAM usage to TTN via script. ===
536 +DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Module. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Module.
342 342  
343 -==== Take python as an example： ====
538 +View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
344 344  
345 -===== Preconditions: =====
540 +==== Conditions of Use： ====
346 346  
347 -1.LA66 USB LoRaWAN Adapter works fine
542 +Requires a type-c to USB adapter
348 348  
349 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
544 +[[image:image-20220723104754-4.png]]
350 350  
351 -===== Steps for usage =====
546 +==== Use of APP: ====
352 352  
353 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
548 +Function and page introduction
354 354  
355 -2.Run the script and see the TTN
550 +[[image:image-20220723113448-7.png||height="1481" width="670"]]
356 356  
357 -[[image:image-20220602115852-3.png]]
552 +1.Display LA66 USB LoRaWAN Module connection status
358 358  
554 +2.Check and reconnect
359 359  
556 +3.Turn send timestamps on or off
360 360  
361 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
558 +4.Display LoRaWan connection status
362 362  
560 +5.Check LoRaWan connection status
363 363  
364 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
562 +6.The RSSI value of the node when the ACK is received
365 365  
564 +7.Node's Signal Strength Icon
366 366  
566 +8.Set the packet sending interval of the node in seconds
367 367  
368 -== Order Info ==
568 +9.AT command input box
369 369  
370 -Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
570 +10.Send AT command button
371 371  
372 -**XX**: The default frequency band
572 +11.Node log box
373 373  
374 -* **AS923**: LoRaWAN AS923 band
375 -* **AU915**: LoRaWAN AU915 band
376 -* **EU433**: LoRaWAN EU433 band
377 -* **EU868**: LoRaWAN EU868 band
378 -* **KR920**: LoRaWAN KR920 band
379 -* **US915**: LoRaWAN US915 band
380 -* **IN865**: LoRaWAN IN865 band
381 -* **CN470**: LoRaWAN CN470 band
382 -* **PP**: Peer to Peer LoRa Protocol
574 +12.clear log button
383 383  
384 -== Package Info ==
576 +13.exit button
385 385  
386 -* LA66 USB LoRaWAN Adapter x 1
578 +LA66 USB LoRaWAN Module not connected
387 387  
388 -
580 +[[image:image-20220723110520-5.png||height="903" width="677"]]
581 +
582 +Connect LA66 USB LoRaWAN Module
583 +
584 +[[image:image-20220723110626-6.png||height="906" width="680"]]
585 +
586 +=== 3.8.2 Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Module and integrate it into Node-RED ===
587 +
588 +1.Register LA66 USB LoRaWAN Module to TTNV3
589 +
590 +[[image:image-20220723134549-8.png]]
591 +
592 +2.Open Node-RED,And import the JSON file to generate the flow
593 +
594 +Sample JSON file please go to this link to download：放置JSON文件的链接
595 +
596 +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/]]
597 +
598 +The following is the positioning effect map
599 +
600 +[[image:image-20220723144339-1.png]]
601 +
602 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
603 +
604 +The LA66 USB LoRaWAN Module is the same as the LA66 LoRaWAN Shield update method
605 +
606 +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)
607 +
608 +[[image:image-20220723150132-2.png]]
609 +
610 +
611 += 4.  Order Info =
612 +
613 +
614 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
615 +
616 +
617 +(% style="color:blue" %)**XXX**(%%): The default frequency band
618 +
619 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
620 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
621 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
622 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
623 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
624 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
625 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
626 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
627 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
628 +
629 += 5.  Reference =
630 +
631 +* 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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