Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 87.7 >
edited by Xiaoling
on 2022/07/13 10:00
To version < 56.1 >
edited by Herong Lu
on 2022/06/02 16:21
>
Change comment: Uploaded new attachment "image-20220602162157-11.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  
105 -== 2.3  Specification ==
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
106 106  
107 -* CPU: 32-bit 48 MHz
108 -* Flash: 256KB
109 -* RAM: 64KB
110 -* Input Power Range: 1.8v ~~ 3.7v
111 -* Power Consumption: < 4uA.
112 -* Frequency Range: 150 MHz ~~ 960 MHz
113 -* Maximum Power +22 dBm constant RF output
114 -* High sensitivity: -148 dBm
115 -* Temperature:
116 -** Storage: -55 ~~ +125℃
117 -** Operating: -40 ~~ +85℃
118 -* Humidity:
119 -** Storage: 5 ~~ 95% (Non-Condensing)
120 -** Operating: 10 ~~ 95% (Non-Condensing)
121 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
122 -* LoRa Rx current: <9 mA
123 -* I/O Voltage: 3.3v
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
124 124  
125 -== 2.4  Pin Mapping & LED ==
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
126 126  
91 +=== what needs to be used ===
127 127  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
128 128  
129 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
95 +2.Arduino
130 130  
97 +3.USB TO TTL
131 131  
99 +[[image:image-20220602100052-2.png]]
132 132  
133 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
101 +=== Wiring Schematic ===
134 134  
103 +[[image:image-20220602101311-3.png]]
135 135  
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
136 136  
137 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
107 +GND  >>>>>>>>>>>>GND
138 138  
109 +TXD  >>>>>>>>>>>>TXD
139 139  
111 +RXD  >>>>>>>>>>>>RXD
140 140  
141 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
142 142  
115 +Connect to the PC after connecting the wires
143 143  
144 -=== 2.8.1  Items needed for update ===
117 +[[image:image-20220602102240-4.png]]
145 145  
146 -1. LA66 LoRaWAN Shield
147 -1. Arduino
148 -1. USB TO TTL Adapter
119 +=== Upgrade steps ===
149 149  
150 -[[image:image-20220602100052-2.png||height="385" width="600"]]
121 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
151 151  
123 +[[image:image-20220602102824-5.png]]
152 152  
153 -=== 2.8.2  Connection ===
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
154 154  
127 +[[image:image-20220602104701-12.png]]
155 155  
156 -[[image:image-20220602101311-3.png||height="276" width="600"]]
129 +==== Open the upgrade application software ====
157 157  
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/]]
158 158  
159 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
160 -
161 -
162 -(% style="background-color:yellow" %)**GND  <-> GND
163 -TXD  <->  TXD
164 -RXD  <->  RXD**
165 -
166 -
167 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
168 -
169 -Connect USB TTL Adapter to PC after connecting the wires
170 -
171 -
172 -[[image:image-20220602102240-4.png||height="304" width="600"]]
173 -
174 -
175 -=== 2.8.3  Upgrade steps ===
176 -
177 -
178 -==== 1.  Switch SW1 to put in ISP position ====
179 -
180 -
181 -[[image:image-20220602102824-5.png||height="306" width="600"]]
182 -
183 -
184 -==== 2.  Press the RST switch once ====
185 -
186 -[[image:image-20220602104701-12.png||height="285" width="600"]]
187 -
188 -
189 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
190 -
191 -
192 -(% 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/]]**
193 -
194 -
195 195  [[image:image-20220602103227-6.png]]
196 196  
197 -
198 198  [[image:image-20220602103357-7.png]]
199 199  
137 +===== Select the COM port corresponding to USB TTL =====
200 200  
201 -
202 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
203 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
204 -
205 -
206 206  [[image:image-20220602103844-8.png]]
207 207  
141 +===== Select the bin file to burn =====
208 208  
209 -
210 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
211 -(% style="color:blue" %)**3. Select the bin file to burn**
212 -
213 -
214 214  [[image:image-20220602104144-9.png]]
215 215  
216 -
217 217  [[image:image-20220602104251-10.png]]
218 218  
219 -
220 220  [[image:image-20220602104402-11.png]]
221 221  
149 +===== Click to start the download =====
222 222  
223 -
224 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
225 -(% style="color:blue" %)**4. Click to start the download**
226 -
227 227  [[image:image-20220602104923-13.png]]
228 228  
153 +===== The following figure appears to prove that the burning is in progress =====
229 229  
230 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
231 -(% style="color:blue" %)**5. Check update process**
232 -
233 -
234 234  [[image:image-20220602104948-14.png]]
235 235  
157 +===== The following picture appears to prove that the burning is successful =====
236 236  
237 -
238 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
239 -(% style="color:blue" %)**The following picture shows that the burning is successful**
240 -
241 241  [[image:image-20220602105251-15.png]]
242 242  
161 += LA66 USB LoRaWAN Adapter =
243 243  
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.
244 244  
245 -= 3.  LA66 USB LoRaWAN Adapter =
165 +Before use, please make sure that the computer has installed the CP2102 driver
246 246  
167 +== Pin Mapping & LED ==
247 247  
248 -== 3.1  Overview ==
169 +== Example Send & Get Messages via LoRaWAN in PC ==
249 249  
250 -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 ==
251 251  
173 +Connect the LA66 LoRa Shield to the RPI
252 252  
253 -== 3.2  Features ==
175 +[[image:image-20220602153333-4.png]]
254 254  
255 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
256 -* Ultra-long RF range
257 -* Support LoRaWAN v1.0.4 protocol
258 -* Support peer-to-peer protocol
259 -* TCXO crystal to ensure RF performance on low temperature
260 -* Spring RF antenna
261 -* Available in different frequency LoRaWAN frequency bands.
262 -* World-wide unique OTAA keys.
263 -* AT Command via UART-TTL interface
264 -* Firmware upgradable via UART interface
177 +Log in to the RPI's terminal and connect to the serial port
265 265  
266 -== 3.3  Specification ==
179 +[[image:image-20220602153146-3.png]]
267 267  
268 -* CPU: 32-bit 48 MHz
269 -* Flash: 256KB
270 -* RAM: 64KB
271 -* Input Power Range: 5v
272 -* Frequency Range: 150 MHz ~~ 960 MHz
273 -* Maximum Power +22 dBm constant RF output
274 -* High sensitivity: -148 dBm
275 -* Temperature:
276 -** Storage: -55 ~~ +125℃
277 -** Operating: -40 ~~ +85℃
278 -* Humidity:
279 -** Storage: 5 ~~ 95% (Non-Condensing)
280 -** Operating: 10 ~~ 95% (Non-Condensing)
281 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
282 -* 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
283 283  
284 -== 3.4  Pin Mapping & LED ==
184 +[[image:image-20220602154928-5.png]]
285 285  
186 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
286 286  
287 -
288 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
289 -
290 -
291 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
292 -
293 -
294 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
295 -
296 -
297 -[[image:image-20220602171217-1.png||height="538" width="800"]]
298 -
299 -
300 -Open the serial port tool
301 -
302 -[[image:image-20220602161617-8.png]]
303 -
304 -[[image:image-20220602161718-9.png||height="457" width="800"]]
305 -
306 -
307 -
308 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
309 -
310 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
311 -
312 -
313 -[[image:image-20220602161935-10.png||height="498" width="800"]]
314 -
315 -
316 -
317 -(% style="color:blue" %)**3. See Uplink Command**
318 -
319 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
320 -
321 321  example: AT+SENDB=01,02,8,05820802581ea0a5
322 322  
323 -[[image:image-20220602162157-11.png||height="497" width="800"]]
190 +[[image:image-20220602160339-6.png]]
324 324  
325 -
326 -
327 -(% style="color:blue" %)**4. Check to see if TTN received the message**
328 -
329 -[[image:image-20220602162331-12.png||height="420" width="800"]]
330 -
331 -
332 -
333 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
334 -
335 -
336 -**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]]
337 -
338 -
339 -(% style="color:red" %)**Preconditions:**
340 -
341 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
342 -
343 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
344 -
345 -
346 -
347 -(% style="color:blue" %)**Steps for usage:**
348 -
349 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
350 -
351 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
352 -
353 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
354 -
355 -
356 -
357 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
358 -
359 -
360 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
361 -
362 -
363 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
364 -
365 -[[image:image-20220602171233-2.png||height="538" width="800"]]
366 -
367 -
368 -
369 -(% style="color:blue" %)**2. Install Minicom in RPi.**
370 -
371 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
372 -
373 - (% style="background-color:yellow" %)**apt update**
374 -
375 - (% style="background-color:yellow" %)**apt install minicom**
376 -
377 -
378 -Use minicom to connect to the RPI's terminal
379 -
380 -[[image:image-20220602153146-3.png||height="439" width="500"]]
381 -
382 -
383 -
384 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**(%%)
385 -(% style="color:blue" %)The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
386 -
387 -[[image:image-20220602154928-5.png||height="436" width="500"]]
388 -
389 -
390 -
391 -(% style="color:blue" %)**4. Send Uplink message**
392 -
393 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
394 -
395 -example: AT+SENDB=01,02,8,05820802581ea0a5
396 -
397 -
398 -[[image:image-20220602160339-6.png||height="517" width="600"]]
399 -
400 -
401 -
402 402  Check to see if TTN received the message
403 403  
404 -[[image:image-20220602160627-7.png||height="369" width="800"]]
194 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
405 405  
196 +=== Install Minicom ===
406 406  
198 +Enter the following command in the RPI terminal
407 407  
408 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
200 +apt update
409 409  
202 +[[image:image-20220602143155-1.png]]
410 410  
204 +apt install minicom
411 411  
412 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
206 +[[image:image-20220602143744-2.png]]
413 413  
208 +=== Use AT Command to send an uplink message. ===
414 414  
210 +=== Send PC's CPU/RAM usage to TTN via script. ===
415 415  
212 +==== Take python as an example： ====
416 416  
417 -= 4.  Order Info =
214 +===== Preconditions: =====
418 418  
216 +1.LA66 LoRa Shield works fine
419 419  
420 -**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
421 421  
220 +===== Steps for usage =====
422 422  
423 -(% 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
424 424  
425 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
426 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
427 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
428 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
429 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
430 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
431 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
432 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
433 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
224 +[[image:image-20220602114148-1.png]]
434 434  
226 +2.Run the script and see the TTN
435 435  
228 +[[image:image-20220602115852-3.png]]
436 436  
437 437  
438 -= 5.  Reference =
439 439  
440 -* 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. ==
441 441  
442 -
234 +
235 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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