Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 87.9 >
edited by Xiaoling
on 2022/07/13 10:02
To version < 53.1 >
edited by Herong Lu
on 2022/06/02 16:16
>
Change comment: Uploaded new attachment "image-20220602161617-8.png", version {1}

Summary

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1 -XWiki.Xiaoling
1 +XWiki.Lu
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2 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
3 3  {{toc/}}
3 +{{/box}}
4 4  
5 += LA66 LoRaWAN Module =
5 5  
7 +== What is LA66 LoRaWAN Module ==
6 6  
7 -= 1.  LA66 LoRaWAN Module =
9 +**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 LoRa 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 program, create and connect your things everywhere.
8 8  
11 +**LA66 **is a ready-to-use module which includes the LoRaWAN v1.0.4 protocol. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
9 9  
10 -== 1.1  What is LA66 LoRaWAN Module ==
13 +**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
11 11  
12 12  
13 -(% 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.
14 14  
15 -(% 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.
17 +== Specification ==
16 16  
17 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
19 +[[image:image-20220517072526-1.png]]
18 18  
19 -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.
21 +Input Power Range: 1.8v ~~ 3.7v
20 20  
21 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
23 +Power Consumption: < 4uA.
22 22  
25 +Frequency Range: 150 MHz ~~ 960 MHz
23 23  
24 -== 1.2  Features ==
27 +Maximum Power +22 dBm constant RF output
25 25  
26 -* Support LoRaWAN v1.0.4 protocol
27 -* Support peer-to-peer protocol
28 -* TCXO crystal to ensure RF performance on low temperature
29 -* SMD Antenna pad and i-pex antenna connector
30 -* Available in different frequency LoRaWAN frequency bands.
31 -* World-wide unique OTAA keys.
32 -* AT Command via UART-TTL interface
33 -* Firmware upgradable via UART interface
34 -* Ultra-long RF range
29 +High sensitivity: -148 dBm
35 35  
31 +Temperature:
36 36  
33 +* Storage: -55 ~~ +125℃
34 +* Operating: -40 ~~ +85℃
37 37  
38 -== 1.3  Specification ==
36 +Humidity:
39 39  
40 -* CPU: 32-bit 48 MHz
41 -* Flash: 256KB
42 -* RAM: 64KB
43 -* Input Power Range: 1.8v ~~ 3.7v
44 -* Power Consumption: < 4uA.
45 -* Frequency Range: 150 MHz ~~ 960 MHz
46 -* Maximum Power +22 dBm constant RF output
47 -* High sensitivity: -148 dBm
48 -* Temperature:
49 -** Storage: -55 ~~ +125℃
50 -** Operating: -40 ~~ +85℃
51 -* Humidity:
52 -** Storage: 5 ~~ 95% (Non-Condensing)
53 -** Operating: 10 ~~ 95% (Non-Condensing)
54 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
55 -* LoRa Rx current: <9 mA
56 -* I/O Voltage: 3.3v
38 +* Storage: 5 ~~ 95% (Non-Condensing)
39 +* Operating: 10 ~~ 95% (Non-Condensing)
57 57  
41 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
58 58  
43 +LoRa Rx current: <9 mA
59 59  
60 -== 1.4  AT Command ==
45 +I/O Voltage: 3.3v
61 61  
62 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
63 63  
48 +== AT Command ==
64 64  
65 -== 1.5  Dimension ==
50 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
66 66  
67 -[[image:image-20220517072526-1.png]]
68 68  
53 +== Pin Mapping ==
69 69  
70 -
71 -== 1.6  Pin Mapping ==
72 -
73 -
74 74  [[image:image-20220523101537-1.png]]
75 75  
57 +== Land Pattern ==
76 76  
77 -
78 -== 1.7  Land Pattern ==
79 -
80 80  [[image:image-20220517072821-2.png]]
81 81  
82 82  
62 +== Part Number ==
83 83  
84 -= 2.  LA66 LoRaWAN Shield =
64 +Part Number: **LA66-XXX**
85 85  
66 +**XX**: The default frequency band
86 86  
87 -== 2.1  Overview ==
68 +* **AS923**: LoRaWAN AS923 band
69 +* **AU915**: LoRaWAN AU915 band
70 +* **EU433**: LoRaWAN EU433 band
71 +* **EU868**: LoRaWAN EU868 band
72 +* **KR920**: LoRaWAN KR920 band
73 +* **US915**: LoRaWAN US915 band
74 +* **IN865**: LoRaWAN IN865 band
75 +* **CN470**: LoRaWAN CN470 band
88 88  
89 -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.
77 += LA66 LoRaWAN Shield =
90 90  
79 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
91 91  
92 -== 2.2  Features ==
81 +== Pin Mapping & LED ==
93 93  
94 -* Arduino Shield base on LA66 LoRaWAN module
95 -* Support LoRaWAN v1.0.4 protocol
96 -* Support peer-to-peer protocol
97 -* TCXO crystal to ensure RF performance on low temperature
98 -* SMA connector
99 -* Available in different frequency LoRaWAN frequency bands.
100 -* World-wide unique OTAA keys.
101 -* AT Command via UART-TTL interface
102 -* Firmware upgradable via UART interface
103 -* Ultra-long RF range
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
104 104  
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
105 105  
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
106 106  
107 -== 2.3  Specification ==
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
108 108  
109 -* CPU: 32-bit 48 MHz
110 -* Flash: 256KB
111 -* RAM: 64KB
112 -* Input Power Range: 1.8v ~~ 3.7v
113 -* Power Consumption: < 4uA.
114 -* Frequency Range: 150 MHz ~~ 960 MHz
115 -* Maximum Power +22 dBm constant RF output
116 -* High sensitivity: -148 dBm
117 -* Temperature:
118 -** Storage: -55 ~~ +125℃
119 -** Operating: -40 ~~ +85℃
120 -* Humidity:
121 -** Storage: 5 ~~ 95% (Non-Condensing)
122 -** Operating: 10 ~~ 95% (Non-Condensing)
123 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
124 -* LoRa Rx current: <9 mA
125 -* I/O Voltage: 3.3v
91 +=== what needs to be used ===
126 126  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
127 127  
95 +2.Arduino
128 128  
129 -== 2.4  Pin Mapping & LED ==
97 +3.USB TO TTL
130 130  
99 +[[image:image-20220602100052-2.png]]
131 131  
101 +=== Wiring Schematic ===
132 132  
133 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
103 +[[image:image-20220602101311-3.png]]
134 134  
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
135 135  
107 +GND  >>>>>>>>>>>>GND
136 136  
137 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
109 +TXD  >>>>>>>>>>>>TXD
138 138  
111 +RXD  >>>>>>>>>>>>RXD
139 139  
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
140 140  
141 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
115 +Connect to the PC after connecting the wires
142 142  
117 +[[image:image-20220602102240-4.png]]
143 143  
119 +=== Upgrade steps ===
144 144  
145 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
121 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
146 146  
123 +[[image:image-20220602102824-5.png]]
147 147  
148 -=== 2.8.1  Items needed for update ===
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
149 149  
150 -1. LA66 LoRaWAN Shield
151 -1. Arduino
152 -1. USB TO TTL Adapter
127 +[[image:image-20220602104701-12.png]]
153 153  
154 -[[image:image-20220602100052-2.png||height="385" width="600"]]
129 +==== Open the upgrade application software ====
155 155  
131 +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/]]
156 156  
157 -=== 2.8.2  Connection ===
158 -
159 -
160 -[[image:image-20220602101311-3.png||height="276" width="600"]]
161 -
162 -
163 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
164 -
165 -(% style="background-color:yellow" %)**GND  <-> GND
166 -TXD  <->  TXD
167 -RXD  <->  RXD**
168 -
169 -
170 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
171 -
172 -Connect USB TTL Adapter to PC after connecting the wires
173 -
174 -
175 -[[image:image-20220602102240-4.png||height="304" width="600"]]
176 -
177 -
178 -=== 2.8.3  Upgrade steps ===
179 -
180 -
181 -==== 1.  Switch SW1 to put in ISP position ====
182 -
183 -
184 -[[image:image-20220602102824-5.png||height="306" width="600"]]
185 -
186 -
187 -
188 -==== 2.  Press the RST switch once ====
189 -
190 -[[image:image-20220602104701-12.png||height="285" width="600"]]
191 -
192 -
193 -
194 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
195 -
196 -
197 -(% 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/]]**
198 -
199 -
200 200  [[image:image-20220602103227-6.png]]
201 201  
202 -
203 203  [[image:image-20220602103357-7.png]]
204 204  
137 +===== Select the COM port corresponding to USB TTL =====
205 205  
206 -
207 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
208 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
209 -
210 -
211 211  [[image:image-20220602103844-8.png]]
212 212  
141 +===== Select the bin file to burn =====
213 213  
214 -
215 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
216 -(% style="color:blue" %)**3. Select the bin file to burn**
217 -
218 -
219 219  [[image:image-20220602104144-9.png]]
220 220  
221 -
222 222  [[image:image-20220602104251-10.png]]
223 223  
224 -
225 225  [[image:image-20220602104402-11.png]]
226 226  
149 +===== Click to start the download =====
227 227  
228 -
229 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
230 -(% style="color:blue" %)**4. Click to start the download**
231 -
232 232  [[image:image-20220602104923-13.png]]
233 233  
153 +===== The following figure appears to prove that the burning is in progress =====
234 234  
235 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
236 -(% style="color:blue" %)**5. Check update process**
237 -
238 -
239 239  [[image:image-20220602104948-14.png]]
240 240  
157 +===== The following picture appears to prove that the burning is successful =====
241 241  
242 -
243 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
244 -(% style="color:blue" %)**The following picture shows that the burning is successful**
245 -
246 246  [[image:image-20220602105251-15.png]]
247 247  
161 += LA66 USB LoRaWAN Adapter =
248 248  
163 +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.
249 249  
250 -= 3.  LA66 USB LoRaWAN Adapter =
165 +Before use, please make sure that the computer has installed the CP2102 driver
251 251  
167 +== Pin Mapping & LED ==
252 252  
253 -== 3.1  Overview ==
169 +== Example Send & Get Messages via LoRaWAN in PC ==
254 254  
255 -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.
171 +== Example Send & Get Messages via LoRaWAN in RPi ==
256 256  
173 +Connect the LA66 LoRa Shield to the RPI
257 257  
258 -== 3.2  Features ==
175 +[[image:image-20220602153333-4.png]]
259 259  
260 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
261 -* Ultra-long RF range
262 -* Support LoRaWAN v1.0.4 protocol
263 -* Support peer-to-peer protocol
264 -* TCXO crystal to ensure RF performance on low temperature
265 -* Spring RF antenna
266 -* Available in different frequency LoRaWAN frequency bands.
267 -* World-wide unique OTAA keys.
268 -* AT Command via UART-TTL interface
269 -* Firmware upgradable via UART interface
177 +Log in to the RPI's terminal and connect to the serial port
270 270  
271 -== 3.3  Specification ==
179 +[[image:image-20220602153146-3.png]]
272 272  
273 -* CPU: 32-bit 48 MHz
274 -* Flash: 256KB
275 -* RAM: 64KB
276 -* Input Power Range: 5v
277 -* Frequency Range: 150 MHz ~~ 960 MHz
278 -* Maximum Power +22 dBm constant RF output
279 -* High sensitivity: -148 dBm
280 -* Temperature:
281 -** Storage: -55 ~~ +125℃
282 -** Operating: -40 ~~ +85℃
283 -* Humidity:
284 -** Storage: 5 ~~ 95% (Non-Condensing)
285 -** Operating: 10 ~~ 95% (Non-Condensing)
286 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
287 -* LoRa Rx current: <9 mA
181 +Press the reset switch RST on the LA66 LoRa Shield.
182 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
288 288  
289 -== 3.4  Pin Mapping & LED ==
184 +[[image:image-20220602154928-5.png]]
290 290  
186 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
291 291  
292 -
293 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
294 -
295 -
296 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
297 -
298 -
299 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
300 -
301 -
302 -[[image:image-20220602171217-1.png||height="538" width="800"]]
303 -
304 -
305 -Open the serial port tool
306 -
307 -[[image:image-20220602161617-8.png]]
308 -
309 -[[image:image-20220602161718-9.png||height="457" width="800"]]
310 -
311 -
312 -
313 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
314 -
315 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
316 -
317 -
318 -[[image:image-20220602161935-10.png||height="498" width="800"]]
319 -
320 -
321 -
322 -(% style="color:blue" %)**3. See Uplink Command**
323 -
324 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
325 -
326 326  example: AT+SENDB=01,02,8,05820802581ea0a5
327 327  
328 -[[image:image-20220602162157-11.png||height="497" width="800"]]
190 +[[image:image-20220602160339-6.png]]
329 329  
330 -
331 -
332 -(% style="color:blue" %)**4. Check to see if TTN received the message**
333 -
334 -[[image:image-20220602162331-12.png||height="420" width="800"]]
335 -
336 -
337 -
338 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
339 -
340 -
341 -**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]]
342 -
343 -
344 -(% style="color:red" %)**Preconditions:**
345 -
346 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
347 -
348 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
349 -
350 -
351 -
352 -(% style="color:blue" %)**Steps for usage:**
353 -
354 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
355 -
356 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
357 -
358 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
359 -
360 -
361 -
362 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
363 -
364 -
365 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
366 -
367 -
368 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
369 -
370 -[[image:image-20220602171233-2.png||height="538" width="800"]]
371 -
372 -
373 -
374 -(% style="color:blue" %)**2. Install Minicom in RPi.**
375 -
376 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
377 -
378 - (% style="background-color:yellow" %)**apt update**
379 -
380 - (% style="background-color:yellow" %)**apt install minicom**
381 -
382 -
383 -Use minicom to connect to the RPI's terminal
384 -
385 -[[image:image-20220602153146-3.png||height="439" width="500"]]
386 -
387 -
388 -
389 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**(%%)
390 -(% style="color:blue" %)The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
391 -
392 -[[image:image-20220602154928-5.png||height="436" width="500"]]
393 -
394 -
395 -
396 -(% style="color:blue" %)**4. Send Uplink message**
397 -
398 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
399 -
400 -example: AT+SENDB=01,02,8,05820802581ea0a5
401 -
402 -
403 -[[image:image-20220602160339-6.png||height="517" width="600"]]
404 -
405 -
406 -
407 407  Check to see if TTN received the message
408 408  
409 -[[image:image-20220602160627-7.png||height="369" width="800"]]
194 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
410 410  
196 +=== Install Minicom ===
411 411  
198 +Enter the following command in the RPI terminal
412 412  
413 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
200 +apt update
414 414  
202 +[[image:image-20220602143155-1.png]]
415 415  
204 +apt install minicom
416 416  
417 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
206 +[[image:image-20220602143744-2.png]]
418 418  
208 +=== Use AT Command to send an uplink message. ===
419 419  
210 +=== Send PC's CPU/RAM usage to TTN via script. ===
420 420  
212 +==== Take python as an example： ====
421 421  
422 -= 4.  Order Info =
214 +===== Preconditions: =====
423 423  
216 +1.LA66 LoRa Shield works fine
424 424  
425 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
218 +2.LA66 LoRa Shield is registered with TTN
426 426  
220 +===== Steps for usage =====
427 427  
428 -(% style="color:blue" %)**XXX**(%%): The default frequency band
222 +1.After connecting the line, connect it to the PC, turn SW1 to FLASH, and press the RST switch. As shown in the figure below
429 429  
430 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
431 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
432 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
433 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
434 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
435 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
436 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
437 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
438 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
224 +[[image:image-20220602114148-1.png]]
439 439  
226 +2.Run the script and see the TTN
440 440  
228 +[[image:image-20220602115852-3.png]]
441 441  
442 442  
443 -= 5.  Reference =
444 444  
445 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
232 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
446 446  
447 -
234 +
235 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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