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Last modified by Xiaoling on 2023/05/26 14:19
From version 165.4
edited by Xiaoling
on 2022/10/10 11:37
Change comment: There is no comment for this version
To version 75.1
edited by Edwin Chen
on 2022/07/03 00:21
Change comment: There is no comment for this version

Summary

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Title
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1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
... ... @@ -1,64 +1,28 @@
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 +(% 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.
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
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.
11 11  
12 -
13 -== 1.1  Overview ==
14 -
15 -
16 -(((
17 -[[image:image-20220715000826-2.png||height="145" width="220"]]
18 -)))
19 -
20 -(((
21 -
22 -)))
23 -
24 -(((
25 -(% 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.
26 -)))
27 -
28 -(((
29 -(((
30 -(% 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.
31 -)))
32 -)))
33 -
34 -(((
35 -(((
36 36  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 -)))
38 -)))
39 39  
40 -(((
41 -(((
42 42  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.
43 -)))
44 -)))
45 45  
46 -(((
47 -(((
48 48  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 -)))
50 -)))
51 51  
52 52  
20 +== Features ==
53 53  
54 -== 1.2  Features ==
55 -
56 -
57 -* Arduino Shield base on LA66 LoRaWAN module
58 -* Support LoRaWAN v1.0.3 protocol
22 +* Support LoRaWAN v1.0.4 protocol
59 59  * Support peer-to-peer protocol
60 60  * TCXO crystal to ensure RF performance on low temperature
61 -* SMA connector
25 +* SMD Antenna pad and i-pex antenna connector
62 62  * Available in different frequency LoRaWAN frequency bands.
63 63  * World-wide unique OTAA keys.
64 64  * AT Command via UART-TTL interface
... ... @@ -65,9 +65,8 @@
65 65  * Firmware upgradable via UART interface
66 66  * Ultra-long RF range
67 67  
68 -== 1.3  Specification ==
32 +== Specification ==
69 69  
70 -
71 71  * CPU: 32-bit 48 MHz
72 72  * Flash: 256KB
73 73  * RAM: 64KB
... ... @@ -86,173 +86,93 @@
86 86  * LoRa Rx current: <9 mA
87 87  * I/O Voltage: 3.3v
88 88  
89 -== 1.4  Pin Mapping & LED ==
52 +== AT Command ==
90 90  
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.
91 91  
92 -[[image:image-20220817085048-1.png||height="533" width="734"]]
93 93  
57 +== Dimension ==
94 94  
59 +[[image:image-20220517072526-1.png]]
95 95  
96 -~1. The LED lights up red when there is an upstream data packet
97 -2. When the network is successfully connected, the green light will be on for 5 seconds
98 -3. Purple light on when receiving downlink data packets
99 99  
62 +== Pin Mapping ==
100 100  
101 -[[image:image-20220820112305-1.png||height="515" width="749"]]
64 +[[image:image-20220523101537-1.png]]
102 102  
66 +== Land Pattern ==
103 103  
68 +[[image:image-20220517072821-2.png]]
104 104  
105 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
106 106  
71 +== Order Info ==
107 107  
108 -**Show connection diagram：**
73 +Part Number: **LA66-XXX**
109 109  
75 +**XX**: The default frequency band
110 110  
111 -[[image:image-20220723170210-2.png||height="908" width="681"]]
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
112 112  
87 += LA66 LoRaWAN Shield =
113 113  
89 +== Overview ==
114 114  
115 -(% style="color:blue" %)**1.  open Arduino IDE**
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.
116 116  
117 117  
118 -[[image:image-20220723170545-4.png]]
94 +== Features ==
119 119  
96 +* Arduino Shield base on LA66 LoRaWAN module
97 +* Support LoRaWAN v1.0.4 protocol
98 +* Support peer-to-peer protocol
99 +* TCXO crystal to ensure RF performance on low temperature
100 +* SMA connector
101 +* Available in different frequency LoRaWAN frequency bands.
102 +* World-wide unique OTAA keys.
103 +* AT Command via UART-TTL interface
104 +* Firmware upgradable via UART interface
105 +* Ultra-long RF range
120 120  
107 +== Specification ==
121 121  
122 -(% style="color:blue" %)**2.  Open project**
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
123 123  
127 +== Pin Mapping & LED ==
124 124  
125 -LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0>>https://www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0]]
129 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
126 126  
131 +== Example: Join TTN network and send an uplink message, get downlink message. ==
127 127  
128 -[[image:image-20220726135239-1.png]]
133 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
129 129  
135 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
130 130  
137 +=== Items needed for update ===
131 131  
132 -(% style="color:blue" %)**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**
133 -
134 -
135 -[[image:image-20220726135356-2.png]]
136 -
137 -
138 -
139 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
140 -
141 -
142 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
143 -
144 -
145 -
146 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
147 -
148 -
149 -(% style="color:blue" %)**1.  Open project**
150 -
151 -
152 -Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0>>https://www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0]]
153 -
154 -
155 -[[image:image-20220723172502-8.png]]
156 -
157 -
158 -
159 -(% style="color:blue" %)**2.  Same steps as 1.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
160 -
161 -
162 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
163 -
164 -
165 -
166 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
167 -
168 -
169 -(% style="color:blue" %)**1.  Open project**
170 -
171 -
172 -Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0>>https://www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0]]
173 -
174 -
175 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
176 -
177 -
178 -
179 -(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
180 -
181 -
182 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
183 -
184 -
185 -
186 -
187 -
188 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
189 -
190 -
191 -For the usage of Node-RED, please refer to: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]]
192 -
193 -
194 -[[image:image-20220723175700-12.png||height="602" width="995"]]
195 -
196 -
197 -
198 -== 1.8  Example: How to join helium ==
199 -
200 -
201 -(% style="color:blue" %)**1.  Create a new device.**
202 -
203 -
204 -[[image:image-20220907165500-1.png||height="464" width="940"]]
205 -
206 -
207 -
208 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
209 -
210 -
211 -[[image:image-20220907165837-2.png||height="375" width="809"]]
212 -
213 -
214 -
215 -(% style="color:blue" %)**3.  Use AT commands.**
216 -
217 -
218 -[[image:image-20220602100052-2.png||height="385" width="600"]]
219 -
220 -
221 -
222 -(% style="color:#0000ff" %)**4.  Use command AT+CFG to get device configuration**
223 -
224 -
225 -[[image:image-20220907170308-3.png||height="556" width="617"]]
226 -
227 -
228 -
229 -(% style="color:blue" %)**5.  Network successfully.**
230 -
231 -
232 -[[image:image-20220907170436-4.png]]
233 -
234 -
235 -
236 -(% style="color:blue" %)**6.  Send uplink using command**
237 -
238 -
239 -[[image:image-20220912084334-1.png]]
240 -
241 -
242 -[[image:image-20220912084412-3.png]]
243 -
244 -
245 -
246 -[[image:image-20220907170744-6.png||height="242" width="798"]]
247 -
248 -
249 -
250 -== 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
251 -
252 -
253 -=== 1.9.1  Items needed for update ===
254 -
255 -
256 256  1. LA66 LoRaWAN Shield
257 257  1. Arduino
258 258  1. USB TO TTL Adapter
... ... @@ -260,26 +260,17 @@
260 260  [[image:image-20220602100052-2.png||height="385" width="600"]]
261 261  
262 262  
146 +=== Connection ===
263 263  
264 -=== 1.9.2  Connection ===
265 -
266 -
267 267  [[image:image-20220602101311-3.png||height="276" width="600"]]
268 268  
150 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
151 +**GND  <-> GND
152 +TXD  <-> TXD
153 +RXD  <-> RXD**
269 269  
270 -(((
271 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
272 -)))
155 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield.
273 273  
274 -(((
275 -(% style="background-color:yellow" %)**GND  <-> GND
276 -TXD  <->  TXD
277 -RXD  <->  RXD**
278 -)))
279 -
280 -
281 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
282 -
283 283  Connect USB TTL Adapter to PC after connecting the wires
284 284  
285 285  
... ... @@ -286,156 +286,223 @@
286 286  [[image:image-20220602102240-4.png||height="304" width="600"]]
287 287  
288 288  
163 +=== Upgrade steps ===
289 289  
290 -=== 1.9.3  Upgrade steps ===
165 +==== Switch SW1 to put in ISP position ====
291 291  
167 +[[image:image-20220602102824-5.png||height="306" width="600"]]
292 292  
293 293  
294 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
170 +==== Press the RST switch once ====
295 295  
172 +[[image:image-20220602104701-12.png||height="285" width="600"]]
296 296  
297 -[[image:image-20220602102824-5.png||height="306" width="600"]]
298 298  
175 +==== Open the Upgrade tool (Tremo Programmer) in PC ====
299 299  
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/]]
300 300  
179 +[[image:image-20220602103227-6.png]]
301 301  
302 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
181 +[[image:image-20220602103357-7.png]]
303 303  
183 +===== Select the COM port corresponding to USB TTL =====
304 304  
305 -[[image:image-20220817085447-1.png]]
185 +[[image:image-20220602103844-8.png]]
306 306  
187 +===== Select the bin file to burn =====
307 307  
189 +[[image:image-20220602104144-9.png]]
308 308  
191 +[[image:image-20220602104251-10.png]]
309 309  
310 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
193 +[[image:image-20220602104402-11.png]]
311 311  
195 +===== Click to start the download =====
312 312  
197 +[[image:image-20220602104923-13.png]]
313 313  
314 -(((
315 -(% style="color:blue" %)**1.  Software download link:  **(%%)**[[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]**
316 -)))
199 +===== The following figure appears to prove that the burning is in progress =====
317 317  
201 +[[image:image-20220602104948-14.png]]
318 318  
319 -[[image:image-20220602103227-6.png]]
203 +===== The following picture appears to prove that the burning is successful =====
320 320  
205 +[[image:image-20220602105251-15.png]]
321 321  
322 -[[image:image-20220602103357-7.png]]
323 323  
208 +== Order Info ==
324 324  
210 +Part Number: **LA66-LoRaWAN-Shield-XXX**
325 325  
326 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
327 -(% style="color:blue" %)**2.  Select the COM port corresponding to USB TTL**
212 +**XX**: The default frequency band
328 328  
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
329 329  
330 -[[image:image-20220602103844-8.png]]
224 +== Package Info ==
331 331  
226 +* LA66 LoRaWAN Shield x 1
227 +* RF Antenna x 1
332 332  
333 333  
334 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
335 -(% style="color:blue" %)**3.  Select the bin file to burn**
230 += LA66 USB LoRaWAN Adapter =
336 336  
232 +== Overview ==
337 337  
338 -[[image:image-20220602104144-9.png]]
234 +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.
339 339  
340 340  
341 -[[image:image-20220602104251-10.png]]
237 +== Features ==
342 342  
239 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
240 +* Ultra-long RF range
241 +* Support LoRaWAN v1.0.4 protocol
242 +* Support peer-to-peer protocol
243 +* TCXO crystal to ensure RF performance on low temperature
244 +* Spring RF antenna
245 +* Available in different frequency LoRaWAN frequency bands.
246 +* World-wide unique OTAA keys.
247 +* AT Command via UART-TTL interface
248 +* Firmware upgradable via UART interface
343 343  
344 -[[image:image-20220602104402-11.png]]
250 +== Specification ==
345 345  
252 +* CPU: 32-bit 48 MHz
253 +* Flash: 256KB
254 +* RAM: 64KB
255 +* Input Power Range: 5v
256 +* Frequency Range: 150 MHz ~~ 960 MHz
257 +* Maximum Power +22 dBm constant RF output
258 +* High sensitivity: -148 dBm
259 +* Temperature:
260 +** Storage: -55 ~~ +125℃
261 +** Operating: -40 ~~ +85℃
262 +* Humidity:
263 +** Storage: 5 ~~ 95% (Non-Condensing)
264 +** Operating: 10 ~~ 95% (Non-Condensing)
265 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
266 +* LoRa Rx current: <9 mA
346 346  
268 +== Pin Mapping & LED ==
347 347  
348 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
349 -(% style="color:blue" %)**4.  Click to start the download**
270 +== Example Send & Get Messages via LoRaWAN in PC ==
350 350  
272 +Connect the LA66 LoRa Shield to the PC
351 351  
352 -[[image:image-20220602104923-13.png]]
274 +[[image:image-20220602171217-1.png||height="615" width="915"]]
353 353  
276 +Open the serial port tool
354 354  
278 +[[image:image-20220602161617-8.png]]
355 355  
356 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
357 -(% style="color:blue" %)**5.  Check update process**
280 +[[image:image-20220602161718-9.png||height="529" width="927"]]
358 358  
282 +Press the reset switch RST on the LA66 LoRa Shield.
359 359  
360 -[[image:image-20220602104948-14.png]]
284 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
361 361  
286 +[[image:image-20220602161935-10.png]]
362 362  
288 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
363 363  
364 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
365 -(% style="color:blue" %)**The following picture shows that the burning is successful**
290 +example: AT+SENDB=01,02,8,05820802581ea0a5
366 366  
292 +[[image:image-20220602162157-11.png]]
367 367  
368 -[[image:image-20220602105251-15.png]]
294 +Check to see if TTN received the message
369 369  
296 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
370 370  
298 +== Example Send & Get Messages via LoRaWAN in RPi ==
371 371  
372 -= 2.  FAQ =
300 +Connect the LA66 LoRa Shield to the RPI
373 373  
302 +[[image:image-20220602171233-2.png||height="592" width="881"]]
374 374  
375 -== 2.1  How to Compile Source Code for LA66? ==
304 +Log in to the RPI's terminal and connect to the serial port
376 376  
306 +[[image:image-20220602153146-3.png]]
377 377  
378 -Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Module.Compile and Upload Code to ASR6601 Platform.WebHome]]
308 +Press the reset switch RST on the LA66 LoRa Shield.
309 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
379 379  
311 +[[image:image-20220602154928-5.png]]
380 380  
313 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
381 381  
382 -== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
315 +example: AT+SENDB=01,02,8,05820802581ea0a5
383 383  
317 +[[image:image-20220602160339-6.png]]
384 384  
385 -Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:.Instruction for LA66 Peer to Peer firmware.WebHome]]
319 +Check to see if TTN received the message
386 386  
321 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
387 387  
323 +=== Install Minicom ===
388 388  
389 -= 3.  Order Info =
325 +Enter the following command in the RPI terminal
390 390  
327 +apt update
391 391  
392 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
329 +[[image:image-20220602143155-1.png]]
393 393  
331 +apt install minicom
394 394  
395 -(% style="color:blue" %)**XXX**(%%): The default frequency band
333 +[[image:image-20220602143744-2.png]]
396 396  
397 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
398 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
399 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
400 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
401 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
402 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
403 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
404 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
405 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
335 +=== Send PC's CPU/RAM usage to TTN via script. ===
406 406  
337 +==== Take python as an example： ====
407 407  
339 +===== Preconditions: =====
408 408  
409 -= 4.  Reference =
341 +1.LA66 USB LoRaWAN Adapter works fine
410 410  
343 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
411 411  
412 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
345 +===== Steps for usage =====
413 413  
347 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
414 414  
349 +2.Run the script and see the TTN
415 415  
416 -= 5.  FCC Statement =
351 +[[image:image-20220602115852-3.png]]
417 417  
418 418  
419 -(% style="color:red" %)**FCC Caution:**
420 420  
421 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
355 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
422 422  
423 -This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
424 424  
358 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
425 425  
426 -(% style="color:red" %)**IMPORTANT NOTE: **
427 427  
428 -(% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
429 429  
430 -—Reorient or relocate the receiving antenna.
362 +== Order Info ==
431 431  
432 -—Increase the separation between the equipment and receiver.
364 +Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
433 433  
434 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
366 +**XX**: The default frequency band
435 435  
436 -—Consult the dealer or an experienced radio/TV technician for help.
368 +* **AS923**: LoRaWAN AS923 band
369 +* **AU915**: LoRaWAN AU915 band
370 +* **EU433**: LoRaWAN EU433 band
371 +* **EU868**: LoRaWAN EU868 band
372 +* **KR920**: LoRaWAN KR920 band
373 +* **US915**: LoRaWAN US915 band
374 +* **IN865**: LoRaWAN IN865 band
375 +* **CN470**: LoRaWAN CN470 band
376 +* **PP**: Peer to Peer LoRa Protocol
437 437  
378 +== Package Info ==
438 438  
439 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
380 +* LA66 USB LoRaWAN Adapter x 1
440 440  
441 -This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body. 
382 +
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