Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 72.1 >
edited by Edwin Chen
on 2022/07/03 00:02
To version < 111.1 >
edited by Herong Lu
on 2022/07/23 11:55
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Edwin
1 +XWiki.Lu
Content
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1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
1 +
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
... ... @@ -49,51 +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 87  
88 -= LA66 LoRaWAN Shield =
116 +(((
117 +[[image:image-20220715000826-2.png||height="145" width="220"]]
118 +)))
89 89  
90 -== Overview ==
120 +(((
121 +
122 +)))
91 91  
92 -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.
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  
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 +)))
94 94  
95 -== Features ==
134 +(((
135 +(((
136 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
137 +)))
138 +)))
96 96  
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 +
97 97  * Arduino Shield base on LA66 LoRaWAN module
98 98  * Support LoRaWAN v1.0.4 protocol
99 99  * Support peer-to-peer protocol
... ... @@ -105,7 +105,7 @@
105 105  * Firmware upgradable via UART interface
106 106  * Ultra-long RF range
107 107  
108 -== Specification ==
167 +== 2.3  Specification ==
109 109  
110 110  * CPU: 32-bit 48 MHz
111 111  * Flash: 256KB
... ... @@ -125,212 +125,411 @@
125 125  * LoRa Rx current: <9 mA
126 126  * I/O Voltage: 3.3v
127 127  
128 -== Pin Mapping & LED ==
187 +== 2.4  Pin Mapping & LED ==
129 129  
130 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
131 131  
132 -== Example: Join TTN network and send an uplink message, get downlink message. ==
133 133  
134 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
191 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
135 135  
136 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
137 137  
138 -=== what needs to be used ===
139 139  
140 -1.LA66 LoRaWAN Shield that needs to be upgraded
195 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
141 141  
142 -2.Arduino
143 143  
144 -3.USB TO TTL
145 145  
146 -[[image:image-20220602100052-2.png]]
199 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
147 147  
148 -=== Wiring Schematic ===
149 149  
150 -[[image:image-20220602101311-3.png]]
151 151  
152 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
203 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
153 153  
154 -GND  >>>>>>>>>>>>GND
155 155  
156 -TXD  >>>>>>>>>>>>TXD
206 +=== 2.8.1  Items needed for update ===
157 157  
158 -RXD  >>>>>>>>>>>>RXD
208 +1. LA66 LoRaWAN Shield
209 +1. Arduino
210 +1. USB TO TTL Adapter
159 159  
160 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
212 +[[image:image-20220602100052-2.png||height="385" width="600"]]
161 161  
162 -Connect to the PC after connecting the wires
163 163  
164 -[[image:image-20220602102240-4.png]]
215 +=== 2.8.2  Connection ===
165 165  
166 -=== Upgrade steps ===
167 167  
168 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
218 +[[image:image-20220602101311-3.png||height="276" width="600"]]
169 169  
170 -[[image:image-20220602102824-5.png]]
171 171  
172 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
221 +(((
222 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
223 +)))
173 173  
174 -[[image:image-20220602104701-12.png]]
225 +(((
226 +(% style="background-color:yellow" %)**GND  <-> GND
227 +TXD  <->  TXD
228 +RXD  <->  RXD**
229 +)))
175 175  
176 -==== Open the upgrade application software ====
177 177  
178 -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/]]
232 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
179 179  
234 +Connect USB TTL Adapter to PC after connecting the wires
235 +
236 +
237 +[[image:image-20220602102240-4.png||height="304" width="600"]]
238 +
239 +
240 +=== 2.8.3  Upgrade steps ===
241 +
242 +
243 +==== 1.  Switch SW1 to put in ISP position ====
244 +
245 +
246 +[[image:image-20220602102824-5.png||height="306" width="600"]]
247 +
248 +
249 +
250 +==== 2.  Press the RST switch once ====
251 +
252 +
253 +[[image:image-20220602104701-12.png||height="285" width="600"]]
254 +
255 +
256 +
257 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
258 +
259 +
260 +(((
261 +(% 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/]]**
262 +)))
263 +
264 +
180 180  [[image:image-20220602103227-6.png]]
181 181  
267 +
182 182  [[image:image-20220602103357-7.png]]
183 183  
184 -===== Select the COM port corresponding to USB TTL =====
185 185  
271 +
272 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
273 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
274 +
275 +
186 186  [[image:image-20220602103844-8.png]]
187 187  
188 -===== Select the bin file to burn =====
189 189  
279 +
280 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
281 +(% style="color:blue" %)**3. Select the bin file to burn**
282 +
283 +
190 190  [[image:image-20220602104144-9.png]]
191 191  
286 +
192 192  [[image:image-20220602104251-10.png]]
193 193  
289 +
194 194  [[image:image-20220602104402-11.png]]
195 195  
196 -===== Click to start the download =====
197 197  
293 +
294 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
295 +(% style="color:blue" %)**4. Click to start the download**
296 +
198 198  [[image:image-20220602104923-13.png]]
199 199  
200 -===== The following figure appears to prove that the burning is in progress =====
201 201  
300 +
301 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
302 +(% style="color:blue" %)**5. Check update process**
303 +
304 +
202 202  [[image:image-20220602104948-14.png]]
203 203  
204 -===== The following picture appears to prove that the burning is successful =====
205 205  
308 +
309 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
310 +(% style="color:blue" %)**The following picture shows that the burning is successful**
311 +
206 206  [[image:image-20220602105251-15.png]]
207 207  
208 -(% class="wikigeneratedid" %)
209 -= =
210 210  
211 -== Order Info ==
212 212  
213 -Part Number: **LA66-LoRaWAN-Shield-XXX**
316 += 3.  LA66 USB LoRaWAN Adapter =
214 214  
215 -**XX**: The default frequency band
216 216  
217 -* **AS923**: LoRaWAN AS923 band
218 -* **AU915**: LoRaWAN AU915 band
219 -* **EU433**: LoRaWAN EU433 band
220 -* **EU868**: LoRaWAN EU868 band
221 -* **KR920**: LoRaWAN KR920 band
222 -* **US915**: LoRaWAN US915 band
223 -* **IN865**: LoRaWAN IN865 band
224 -* **CN470**: LoRaWAN CN470 band
225 -* **PP**: Peer to Peer LoRa Protocol
319 +== 3.1  Overview ==
226 226  
227 227  
228 -(% class="wikigeneratedid" %)
229 -== Package Info ==
322 +[[image:image-20220715001142-3.png||height="145" width="220"]]
230 230  
231 -* LA66 LoRaWAN Shield x 1
232 -* RF Antenna x 1
233 233  
325 +(((
326 +(% 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.
327 +)))
234 234  
329 +(((
330 +(% 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.
331 +)))
235 235  
333 +(((
334 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
335 +)))
236 236  
337 +(((
338 +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.
339 +)))
237 237  
238 -= LA66 USB LoRaWAN Adapter =
341 +(((
342 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
343 +)))
239 239  
240 -LA66 USB LoRaWAN Adapter is the USB Adapter for LA66, it combines a USB TTL Chip and LA66 module which can easy to test the LoRaWAN feature by using PC or embedded device which has USB Interface.
241 241  
242 -Before use, please make sure that the computer has installed the CP2102 driver
243 243  
244 -== Pin Mapping & LED ==
347 +== 3.2  Features ==
245 245  
246 -== Example Send & Get Messages via LoRaWAN in PC ==
349 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
350 +* Ultra-long RF range
351 +* Support LoRaWAN v1.0.4 protocol
352 +* Support peer-to-peer protocol
353 +* TCXO crystal to ensure RF performance on low temperature
354 +* Spring RF antenna
355 +* Available in different frequency LoRaWAN frequency bands.
356 +* World-wide unique OTAA keys.
357 +* AT Command via UART-TTL interface
358 +* Firmware upgradable via UART interface
359 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
247 247  
248 -Connect the LA66 LoRa Shield to the PC
361 +== 3.3  Specification ==
249 249  
250 -[[image:image-20220602171217-1.png||height="615" width="915"]]
363 +* CPU: 32-bit 48 MHz
364 +* Flash: 256KB
365 +* RAM: 64KB
366 +* Input Power Range: 5v
367 +* Frequency Range: 150 MHz ~~ 960 MHz
368 +* Maximum Power +22 dBm constant RF output
369 +* High sensitivity: -148 dBm
370 +* Temperature:
371 +** Storage: -55 ~~ +125℃
372 +** Operating: -40 ~~ +85℃
373 +* Humidity:
374 +** Storage: 5 ~~ 95% (Non-Condensing)
375 +** Operating: 10 ~~ 95% (Non-Condensing)
376 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
377 +* LoRa Rx current: <9 mA
251 251  
379 +== 3.4  Pin Mapping & LED ==
380 +
381 +
382 +
383 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
384 +
385 +
386 +(((
387 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
388 +)))
389 +
390 +
391 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
392 +
393 +
394 +[[image:image-20220723100027-1.png]]
395 +
396 +
252 252  Open the serial port tool
253 253  
254 254  [[image:image-20220602161617-8.png]]
255 255  
256 -[[image:image-20220602161718-9.png||height="529" width="927"]]
401 +[[image:image-20220602161718-9.png||height="457" width="800"]]
257 257  
258 -Press the reset switch RST on the LA66 LoRa Shield.
259 259  
260 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
261 261  
262 -[[image:image-20220602161935-10.png]]
405 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
263 263  
264 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
407 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
265 265  
409 +
410 +[[image:image-20220602161935-10.png||height="498" width="800"]]
411 +
412 +
413 +
414 +(% style="color:blue" %)**3. See Uplink Command**
415 +
416 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
417 +
266 266  example: AT+SENDB=01,02,8,05820802581ea0a5
267 267  
268 -[[image:image-20220602162157-11.png]]
420 +[[image:image-20220602162157-11.png||height="497" width="800"]]
269 269  
270 -Check to see if TTN received the message
271 271  
272 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
273 273  
274 -== Example Send & Get Messages via LoRaWAN in RPi ==
424 +(% style="color:blue" %)**4. Check to see if TTN received the message**
275 275  
276 -Connect the LA66 LoRa Shield to the RPI
426 +[[image:image-20220602162331-12.png||height="420" width="800"]]
277 277  
278 -[[image:image-20220602171233-2.png||height="592" width="881"]]
279 279  
280 -Log in to the RPI's terminal and connect to the serial port
281 281  
282 -[[image:image-20220602153146-3.png]]
430 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
283 283  
284 -Press the reset switch RST on the LA66 LoRa Shield.
285 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
286 286  
287 -[[image:image-20220602154928-5.png]]
433 +**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]]
288 288  
289 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
435 +(**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]])
290 290  
437 +(% style="color:red" %)**Preconditions:**
438 +
439 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
440 +
441 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
442 +
443 +
444 +
445 +(% style="color:blue" %)**Steps for usage:**
446 +
447 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
448 +
449 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
450 +
451 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
452 +
453 +
454 +
455 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
456 +
457 +
458 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
459 +
460 +
461 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
462 +
463 +[[image:image-20220723100439-2.png]]
464 +
465 +
466 +
467 +(% style="color:blue" %)**2. Install Minicom in RPi.**
468 +
469 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
470 +
471 + (% style="background-color:yellow" %)**apt update**
472 +
473 + (% style="background-color:yellow" %)**apt install minicom**
474 +
475 +
476 +Use minicom to connect to the RPI's terminal
477 +
478 +[[image:image-20220602153146-3.png||height="439" width="500"]]
479 +
480 +
481 +
482 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
483 +
484 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
485 +
486 +
487 +[[image:image-20220602154928-5.png||height="436" width="500"]]
488 +
489 +
490 +
491 +(% style="color:blue" %)**4. Send Uplink message**
492 +
493 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
494 +
291 291  example: AT+SENDB=01,02,8,05820802581ea0a5
292 292  
293 -[[image:image-20220602160339-6.png]]
294 294  
498 +[[image:image-20220602160339-6.png||height="517" width="600"]]
499 +
500 +
501 +
295 295  Check to see if TTN received the message
296 296  
297 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
504 +[[image:image-20220602160627-7.png||height="369" width="800"]]
298 298  
299 -=== Install Minicom ===
300 300  
301 -Enter the following command in the RPI terminal
302 302  
303 -apt update
508 +== 3.8  Example: Use of LA66 USB LoRaWAN Module and DRAGINO-LA66-APP. ==
304 304  
305 -[[image:image-20220602143155-1.png]]
510 +=== 3.8.1 DRAGINO-LA66-APP ===
306 306  
307 -apt install minicom
512 +[[image:image-20220723102027-3.png]]
308 308  
309 -[[image:image-20220602143744-2.png]]
514 +==== Overview： ====
310 310  
311 -=== Send PC's CPU/RAM usage to TTN via script. ===
516 +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.
312 312  
313 -==== Take python as an example： ====
518 +View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
314 314  
315 -===== Preconditions: =====
520 +==== Conditions of Use： ====
316 316  
317 -1.LA66 USB LoRaWAN Adapter works fine
522 +Requires a type-c to USB adapter
318 318  
319 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
524 +[[image:image-20220723104754-4.png]]
320 320  
321 -===== Steps for usage =====
526 +==== Use of APP: ====
322 322  
323 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
528 +Function and page introduction
324 324  
325 -2.Run the script and see the TTN
530 +[[image:image-20220723113448-7.png||height="1481" width="670"]]
326 326  
327 -[[image:image-20220602115852-3.png]]
532 +1.Display LA66 USB LoRaWAN Module connection status
328 328  
534 +2.Check and reconnect
329 329  
536 +3.Turn send timestamps on or off
330 330  
331 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
538 +4.Display LoRaWan connection status
332 332  
540 +5.Check LoRaWan connection status
333 333  
334 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
542 +6.The RSSI value of the node when the ACK is received
335 335  
336 -
544 +7.Node's Signal Strength Icon
545 +
546 +8.Set the packet sending interval of the node in seconds
547 +
548 +9.AT command input box
549 +
550 +10.Send AT command button
551 +
552 +11.Node log box
553 +
554 +12.clear log button
555 +
556 +13.exit button
557 +
558 +LA66 USB LoRaWAN Module not connected
559 +
560 +[[image:image-20220723110520-5.png||height="903" width="677"]]
561 +
562 +Connect LA66 USB LoRaWAN Module
563 +
564 +[[image:image-20220723110626-6.png||height="906" width="680"]]
565 +
566 +=== 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 ===
567 +
568 +
569 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
570 +
571 +
572 +
573 +
574 += 4.  Order Info =
575 +
576 +
577 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
578 +
579 +
580 +(% style="color:blue" %)**XXX**(%%): The default frequency band
581 +
582 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
583 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
584 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
585 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
586 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
587 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
588 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
589 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
590 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
591 +
592 += 5.  Reference =
593 +
594 +* 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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