Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 101.2 >
edited by Xiaoling
on 2022/07/20 11:19
To version < 70.1 >
edited by Edwin Chen
on 2022/07/02 23:51
>
Change comment: There is no comment for this version

Summary

Details

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Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
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1 -
2 -
3 -**Table of Contents:**
4 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
5 5  {{toc/}}
3 +{{/box}}
6 6  
5 += LA66 LoRaWAN Module =
7 7  
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 -(((
25 25  (% style="color:blue" %)**Dragino LA66**(%%) is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere.
26 -)))
27 -)))
28 28  
29 -(((
30 -(((
31 31  (% 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.
32 -)))
33 -)))
34 34  
35 -(((
36 -(((
37 37  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 -)))
39 39  
40 -(((
41 41  Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
42 -)))
43 -)))
44 44  
45 -(((
46 -(((
47 47  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
48 -)))
49 -)))
50 50  
51 51  
20 +== Features ==
52 52  
53 -== 1.2  Features ==
54 -
55 55  * Support LoRaWAN v1.0.4 protocol
56 56  * Support peer-to-peer protocol
57 57  * TCXO crystal to ensure RF performance on low temperature
... ... @@ -63,8 +63,9 @@
63 63  * Ultra-long RF range
64 64  
65 65  
66 -== 1.3  Specification ==
67 67  
34 +== Specification ==
35 +
68 68  * CPU: 32-bit 48 MHz
69 69  * Flash: 256KB
70 70  * RAM: 64KB
... ... @@ -83,460 +83,221 @@
83 83  * LoRa Rx current: <9 mA
84 84  * I/O Voltage: 3.3v
85 85  
54 +== AT Command ==
86 86  
87 -== 1.4  AT Command ==
88 -
89 -
90 90  AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
91 91  
92 92  
59 +== Dimension ==
93 93  
94 -== 1.5  Dimension ==
61 +[[image:image-20220517072526-1.png]]
95 95  
96 -[[image:image-20220718094750-3.png]]
97 97  
64 +== Pin Mapping ==
98 98  
66 +[[image:image-20220523101537-1.png]]
99 99  
100 -== 1.6  Pin Mapping ==
68 +== Land Pattern ==
101 101  
102 -[[image:image-20220720111850-1.png]]
103 -
104 -
105 -
106 -== 1.7  Land Pattern ==
107 -
108 108  [[image:image-20220517072821-2.png]]
109 109  
110 110  
73 +== Part Number ==
111 111  
112 -= 2.  LA66 LoRaWAN Shield =
75 +Part Number: **LA66-XXX**
113 113  
77 +**XX**: The default frequency band
114 114  
115 -== 2.1  Overview ==
79 +* **AS923**: LoRaWAN AS923 band
80 +* **AU915**: LoRaWAN AU915 band
81 +* **EU433**: LoRaWAN EU433 band
82 +* **EU868**: LoRaWAN EU868 band
83 +* **KR920**: LoRaWAN KR920 band
84 +* **US915**: LoRaWAN US915 band
85 +* **IN865**: LoRaWAN IN865 band
86 +* **CN470**: LoRaWAN CN470 band
87 +* **PP**: Peer to Peer LoRa Protocol
116 116  
89 += LA66 LoRaWAN Shield =
117 117  
118 -(((
119 -[[image:image-20220715000826-2.png||height="145" width="220"]]
120 -)))
91 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
121 121  
122 -(((
123 -
124 -)))
93 +== Pin Mapping & LED ==
125 125  
126 -(((
127 -(% 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.
128 -)))
95 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
129 129  
130 -(((
131 -(((
132 -(% 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.
133 -)))
134 -)))
97 +== Example: Join TTN network and send an uplink message, get downlink message. ==
135 135  
136 -(((
137 -(((
138 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
139 -)))
140 -)))
99 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
141 141  
142 -(((
143 -(((
144 -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.
145 -)))
146 -)))
101 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
147 147  
148 -(((
149 -(((
150 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
151 -)))
152 -)))
103 +=== what needs to be used ===
153 153  
105 +1.LA66 LoRaWAN Shield that needs to be upgraded
154 154  
107 +2.Arduino
155 155  
156 -== 2.2  Features ==
109 +3.USB TO TTL
157 157  
158 -* Arduino Shield base on LA66 LoRaWAN module
159 -* Support LoRaWAN v1.0.4 protocol
160 -* Support peer-to-peer protocol
161 -* TCXO crystal to ensure RF performance on low temperature
162 -* SMA connector
163 -* Available in different frequency LoRaWAN frequency bands.
164 -* World-wide unique OTAA keys.
165 -* AT Command via UART-TTL interface
166 -* Firmware upgradable via UART interface
167 -* Ultra-long RF range
111 +[[image:image-20220602100052-2.png]]
168 168  
113 +=== Wiring Schematic ===
169 169  
170 -== 2.3  Specification ==
115 +[[image:image-20220602101311-3.png]]
171 171  
172 -* CPU: 32-bit 48 MHz
173 -* Flash: 256KB
174 -* RAM: 64KB
175 -* Input Power Range: 1.8v ~~ 3.7v
176 -* Power Consumption: < 4uA.
177 -* Frequency Range: 150 MHz ~~ 960 MHz
178 -* Maximum Power +22 dBm constant RF output
179 -* High sensitivity: -148 dBm
180 -* Temperature:
181 -** Storage: -55 ~~ +125℃
182 -** Operating: -40 ~~ +85℃
183 -* Humidity:
184 -** Storage: 5 ~~ 95% (Non-Condensing)
185 -** Operating: 10 ~~ 95% (Non-Condensing)
186 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
187 -* LoRa Rx current: <9 mA
188 -* I/O Voltage: 3.3v
117 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
189 189  
119 +GND  >>>>>>>>>>>>GND
190 190  
191 -== 2.4  Pin Mapping & LED ==
121 +TXD  >>>>>>>>>>>>TXD
192 192  
123 +RXD  >>>>>>>>>>>>RXD
193 193  
125 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
194 194  
195 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
127 +Connect to the PC after connecting the wires
196 196  
129 +[[image:image-20220602102240-4.png]]
197 197  
131 +=== Upgrade steps ===
198 198  
199 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
133 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
200 200  
135 +[[image:image-20220602102824-5.png]]
201 201  
137 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
202 202  
203 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
139 +[[image:image-20220602104701-12.png]]
204 204  
141 +==== Open the upgrade application software ====
205 205  
143 +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/]]
206 206  
207 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
208 -
209 -
210 -=== 2.8.1  Items needed for update ===
211 -
212 -1. LA66 LoRaWAN Shield
213 -1. Arduino
214 -1. USB TO TTL Adapter
215 -
216 -[[image:image-20220602100052-2.png||height="385" width="600"]]
217 -
218 -
219 -=== 2.8.2  Connection ===
220 -
221 -
222 -[[image:image-20220602101311-3.png||height="276" width="600"]]
223 -
224 -
225 -(((
226 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
227 -)))
228 -
229 -(((
230 -(% style="background-color:yellow" %)**GND  <-> GND
231 -TXD  <->  TXD
232 -RXD  <->  RXD**
233 -)))
234 -
235 -
236 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
237 -
238 -Connect USB TTL Adapter to PC after connecting the wires
239 -
240 -
241 -[[image:image-20220602102240-4.png||height="304" width="600"]]
242 -
243 -
244 -=== 2.8.3  Upgrade steps ===
245 -
246 -
247 -==== 1.  Switch SW1 to put in ISP position ====
248 -
249 -
250 -[[image:image-20220602102824-5.png||height="306" width="600"]]
251 -
252 -
253 -
254 -==== 2.  Press the RST switch once ====
255 -
256 -
257 -[[image:image-20220602104701-12.png||height="285" width="600"]]
258 -
259 -
260 -
261 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
262 -
263 -
264 -(((
265 -(% 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/]]**
266 -)))
267 -
268 -
269 269  [[image:image-20220602103227-6.png]]
270 270  
271 -
272 272  [[image:image-20220602103357-7.png]]
273 273  
149 +===== Select the COM port corresponding to USB TTL =====
274 274  
275 -
276 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
277 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
278 -
279 -
280 280  [[image:image-20220602103844-8.png]]
281 281  
153 +===== Select the bin file to burn =====
282 282  
283 -
284 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
285 -(% style="color:blue" %)**3. Select the bin file to burn**
286 -
287 -
288 288  [[image:image-20220602104144-9.png]]
289 289  
290 -
291 291  [[image:image-20220602104251-10.png]]
292 292  
293 -
294 294  [[image:image-20220602104402-11.png]]
295 295  
161 +===== Click to start the download =====
296 296  
297 -
298 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
299 -(% style="color:blue" %)**4. Click to start the download**
300 -
301 301  [[image:image-20220602104923-13.png]]
302 302  
165 +===== The following figure appears to prove that the burning is in progress =====
303 303  
304 -
305 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
306 -(% style="color:blue" %)**5. Check update process**
307 -
308 -
309 309  [[image:image-20220602104948-14.png]]
310 310  
169 +===== The following picture appears to prove that the burning is successful =====
311 311  
312 -
313 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
314 -(% style="color:blue" %)**The following picture shows that the burning is successful**
315 -
316 316  [[image:image-20220602105251-15.png]]
317 317  
173 += LA66 USB LoRaWAN Adapter =
318 318  
175 +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.
319 319  
320 -= 3.  LA66 USB LoRaWAN Adapter =
177 +Before use, please make sure that the computer has installed the CP2102 driver
321 321  
179 +== Pin Mapping & LED ==
322 322  
323 -== 3.1  Overview ==
181 +== Example Send & Get Messages via LoRaWAN in PC ==
324 324  
183 +Connect the LA66 LoRa Shield to the PC
325 325  
326 -[[image:image-20220715001142-3.png||height="145" width="220"]]
185 +[[image:image-20220602171217-1.png||height="615" width="915"]]
327 327  
328 -
329 -(((
330 -(% 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.
331 -)))
332 -
333 -(((
334 -(% 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.
335 -)))
336 -
337 -(((
338 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
339 -)))
340 -
341 -(((
342 -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.
343 -)))
344 -
345 -(((
346 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
347 -)))
348 -
349 -
350 -
351 -== 3.2  Features ==
352 -
353 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
354 -* Ultra-long RF range
355 -* Support LoRaWAN v1.0.4 protocol
356 -* Support peer-to-peer protocol
357 -* TCXO crystal to ensure RF performance on low temperature
358 -* Spring RF antenna
359 -* Available in different frequency LoRaWAN frequency bands.
360 -* World-wide unique OTAA keys.
361 -* AT Command via UART-TTL interface
362 -* Firmware upgradable via UART interface
363 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
364 -
365 -
366 -== 3.3  Specification ==
367 -
368 -* CPU: 32-bit 48 MHz
369 -* Flash: 256KB
370 -* RAM: 64KB
371 -* Input Power Range: 5v
372 -* Frequency Range: 150 MHz ~~ 960 MHz
373 -* Maximum Power +22 dBm constant RF output
374 -* High sensitivity: -148 dBm
375 -* Temperature:
376 -** Storage: -55 ~~ +125℃
377 -** Operating: -40 ~~ +85℃
378 -* Humidity:
379 -** Storage: 5 ~~ 95% (Non-Condensing)
380 -** Operating: 10 ~~ 95% (Non-Condensing)
381 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
382 -* LoRa Rx current: <9 mA
383 -
384 -
385 -== 3.4  Pin Mapping & LED ==
386 -
387 -
388 -
389 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
390 -
391 -
392 -(((
393 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
394 -)))
395 -
396 -
397 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
398 -
399 -
400 -[[image:image-20220602171217-1.png||height="538" width="800"]]
401 -
402 -
403 403  Open the serial port tool
404 404  
405 405  [[image:image-20220602161617-8.png]]
406 406  
407 -[[image:image-20220602161718-9.png||height="457" width="800"]]
191 +[[image:image-20220602161718-9.png||height="529" width="927"]]
408 408  
193 +Press the reset switch RST on the LA66 LoRa Shield.
409 409  
195 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
410 410  
411 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
197 +[[image:image-20220602161935-10.png]]
412 412  
413 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
199 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
414 414  
415 -
416 -[[image:image-20220602161935-10.png||height="498" width="800"]]
417 -
418 -
419 -
420 -(% style="color:blue" %)**3. See Uplink Command**
421 -
422 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
423 -
424 424  example: AT+SENDB=01,02,8,05820802581ea0a5
425 425  
426 -[[image:image-20220602162157-11.png||height="497" width="800"]]
203 +[[image:image-20220602162157-11.png]]
427 427  
205 +Check to see if TTN received the message
428 428  
207 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
429 429  
430 -(% style="color:blue" %)**4. Check to see if TTN received the message**
209 +== Example Send & Get Messages via LoRaWAN in RPi ==
431 431  
432 -[[image:image-20220602162331-12.png||height="420" width="800"]]
211 +Connect the LA66 LoRa Shield to the RPI
433 433  
213 +[[image:image-20220602171233-2.png||height="592" width="881"]]
434 434  
215 +Log in to the RPI's terminal and connect to the serial port
435 435  
436 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
217 +[[image:image-20220602153146-3.png]]
437 437  
219 +Press the reset switch RST on the LA66 LoRa Shield.
220 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
438 438  
439 -**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]]
222 +[[image:image-20220602154928-5.png]]
440 440  
224 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
441 441  
442 -(% style="color:red" %)**Preconditions:**
443 -
444 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
445 -
446 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
447 -
448 -
449 -
450 -(% style="color:blue" %)**Steps for usage:**
451 -
452 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
453 -
454 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
455 -
456 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
457 -
458 -
459 -
460 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
461 -
462 -
463 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
464 -
465 -
466 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
467 -
468 -[[image:image-20220602171233-2.png||height="538" width="800"]]
469 -
470 -
471 -
472 -(% style="color:blue" %)**2. Install Minicom in RPi.**
473 -
474 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
475 -
476 - (% style="background-color:yellow" %)**apt update**
477 -
478 - (% style="background-color:yellow" %)**apt install minicom**
479 -
480 -
481 -Use minicom to connect to the RPI's terminal
482 -
483 -[[image:image-20220602153146-3.png||height="439" width="500"]]
484 -
485 -
486 -
487 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
488 -
489 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
490 -
491 -
492 -[[image:image-20220602154928-5.png||height="436" width="500"]]
493 -
494 -
495 -
496 -(% style="color:blue" %)**4. Send Uplink message**
497 -
498 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
499 -
500 500  example: AT+SENDB=01,02,8,05820802581ea0a5
501 501  
228 +[[image:image-20220602160339-6.png]]
502 502  
503 -[[image:image-20220602160339-6.png||height="517" width="600"]]
230 +Check to see if TTN received the message
504 504  
232 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
505 505  
234 +=== Install Minicom ===
506 506  
507 -Check to see if TTN received the message
236 +Enter the following command in the RPI terminal
508 508  
509 -[[image:image-20220602160627-7.png||height="369" width="800"]]
238 +apt update
510 510  
240 +[[image:image-20220602143155-1.png]]
511 511  
242 +apt install minicom
512 512  
513 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
244 +[[image:image-20220602143744-2.png]]
514 514  
246 +=== Send PC's CPU/RAM usage to TTN via script. ===
515 515  
248 +==== Take python as an example： ====
516 516  
517 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
250 +===== Preconditions: =====
518 518  
252 +1.LA66 USB LoRaWAN Adapter works fine
519 519  
254 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
520 520  
256 +===== Steps for usage =====
521 521  
522 -= 4.  Order Info =
258 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
523 523  
260 +2.Run the script and see the TTN
524 524  
525 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
262 +[[image:image-20220602115852-3.png]]
526 526  
527 527  
528 -(% style="color:blue" %)**XXX**(%%): The default frequency band
529 529  
530 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
531 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
532 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
533 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
534 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
535 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
536 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
537 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
538 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
266 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
539 539  
540 -= 5.  Reference =
541 541  
542 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
269 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
270 +
271 +
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