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Last modified by Xiaoling on 2023/05/26 14:19
From version 75.1
edited by Edwin Chen
on 2022/07/03 00:21
Change comment: There is no comment for this version
To version 166.3
edited by Xiaoling
on 2023/05/26 13:55
Change comment: There is no comment for this version

Summary

Details

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Title
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1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Shield User Manual
Author
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
... ... @@ -1,28 +1,64 @@
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 -(% 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.
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.
10 += 1.  LA66 LoRaWAN Shield =
12 12  
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 +(((
13 13  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 +)))
38 +)))
14 14  
40 +(((
41 +(((
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.
43 +)))
44 +)))
16 16  
46 +(((
47 +(((
17 17  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 +)))
50 +)))
18 18  
19 19  
20 -== Features ==
21 21  
22 -* Support LoRaWAN v1.0.4 protocol
54 +== 1.2  Features ==
55 +
56 +
57 +* Arduino Shield base on LA66 LoRaWAN module
58 +* Support LoRaWAN v1.0.3 protocol
23 23  * Support peer-to-peer protocol
24 24  * TCXO crystal to ensure RF performance on low temperature
25 -* SMD Antenna pad and i-pex antenna connector
61 +* SMA connector
26 26  * Available in different frequency LoRaWAN frequency bands.
27 27  * World-wide unique OTAA keys.
28 28  * AT Command via UART-TTL interface
... ... @@ -29,8 +29,10 @@
29 29  * Firmware upgradable via UART interface
30 30  * Ultra-long RF range
31 31  
32 -== Specification ==
33 33  
69 +== 1.3  Specification ==
70 +
71 +
34 34  * CPU: 32-bit 48 MHz
35 35  * Flash: 256KB
36 36  * RAM: 64KB
... ... @@ -49,93 +49,173 @@
49 49  * LoRa Rx current: <9 mA
50 50  * I/O Voltage: 3.3v
51 51  
52 -== AT Command ==
53 53  
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 +== 1.4  Pin Mapping & LED ==
55 55  
56 56  
57 -== Dimension ==
94 +[[image:image-20220817085048-1.png||height="533" width="734"]]
58 58  
59 -[[image:image-20220517072526-1.png]]
60 60  
61 61  
62 -== Pin Mapping ==
98 +~1. The LED lights up red when there is an upstream data packet
99 +2. When the network is successfully connected, the green light will be on for 5 seconds
100 +3. Purple light on when receiving downlink data packets
63 63  
64 -[[image:image-20220523101537-1.png]]
65 65  
66 -== Land Pattern ==
103 +[[image:image-20220820112305-1.png||height="515" width="749"]]
67 67  
68 -[[image:image-20220517072821-2.png]]
69 69  
70 70  
71 -== Order Info ==
107 +== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
72 72  
73 -Part Number: **LA66-XXX**
74 74  
75 -**XX**: The default frequency band
110 +**Show connection diagram：**
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
86 86  
87 -= LA66 LoRaWAN Shield =
113 +[[image:image-20220723170210-2.png||height="908" width="681"]]
88 88  
89 -== Overview ==
90 90  
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.
92 92  
117 +(% style="color:blue" %)**1.  open Arduino IDE**
93 93  
94 -== Features ==
95 95  
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 +[[image:image-20220723170545-4.png]]
106 106  
107 -== Specification ==
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
126 126  
127 -== Pin Mapping & LED ==
124 +(% style="color:blue" %)**2.  Open project**
128 128  
129 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
130 130  
131 -== Example: Join TTN network and send an uplink message, get downlink message. ==
127 +LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0 >>https://www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0]]
132 132  
133 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
129 +[[image:image-20220726135239-1.png]]
134 134  
135 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
136 136  
137 -=== Items needed for update ===
138 138  
133 +(% 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**
134 +
135 +
136 +[[image:image-20220726135356-2.png]]
137 +
138 +
139 +
140 +(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
141 +
142 +
143 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
144 +
145 +
146 +
147 +== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
148 +
149 +
150 +(% style="color:blue" %)**1.  Open project**
151 +
152 +
153 +Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0 >>https://www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0]]
154 +
155 +
156 +[[image:image-20220723172502-8.png]]
157 +
158 +
159 +
160 +(% 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**
161 +
162 +
163 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
164 +
165 +
166 +
167 +== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
168 +
169 +
170 +(% style="color:blue" %)**1.  Open project**
171 +
172 +
173 +Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0>>https://www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0]]
174 +
175 +
176 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
177 +
178 +
179 +
180 +(% 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**
181 +
182 +
183 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
184 +
185 +
186 +
187 +
188 +
189 +(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
190 +
191 +
192 +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/]]
193 +
194 +
195 +[[image:image-20220723175700-12.png||height="602" width="995"]]
196 +
197 +
198 +
199 +== 1.8  Example: How to join helium ==
200 +
201 +
202 +(% style="color:blue" %)**1.  Create a new device.**
203 +
204 +
205 +[[image:image-20220907165500-1.png||height="464" width="940"]]
206 +
207 +
208 +
209 +(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
210 +
211 +
212 +[[image:image-20220907165837-2.png||height="375" width="809"]]
213 +
214 +
215 +
216 +(% style="color:blue" %)**3.  Use AT commands.**
217 +
218 +
219 +[[image:image-20220602100052-2.png||height="385" width="600"]]
220 +
221 +
222 +
223 +(% style="color:#0000ff" %)**4.  Use command AT+CFG to get device configuration**
224 +
225 +
226 +[[image:image-20220907170308-3.png||height="556" width="617"]]
227 +
228 +
229 +
230 +(% style="color:blue" %)**5.  Network successfully.**
231 +
232 +
233 +[[image:image-20220907170436-4.png]]
234 +
235 +
236 +
237 +(% style="color:blue" %)**6.  Send uplink using command**
238 +
239 +
240 +[[image:image-20220912084334-1.png]]
241 +
242 +
243 +[[image:image-20220912084412-3.png]]
244 +
245 +
246 +
247 +[[image:image-20220907170744-6.png||height="242" width="798"]]
248 +
249 +
250 +
251 +== 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
252 +
253 +
254 +=== 1.9.1  Items needed for update ===
255 +
256 +
139 139  1. LA66 LoRaWAN Shield
140 140  1. Arduino
141 141  1. USB TO TTL Adapter
... ... @@ -143,240 +143,177 @@
143 143  [[image:image-20220602100052-2.png||height="385" width="600"]]
144 144  
145 145  
146 -=== Connection ===
147 147  
148 -[[image:image-20220602101311-3.png||height="276" width="600"]]
265 +=== 1.9.2  Connection ===
149 149  
150 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
151 -**GND  <-> GND
152 -TXD  <-> TXD
153 -RXD  <-> RXD**
154 154  
155 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield.
268 +[[image:image-20220602101311-3.png||height="276" width="600"]]
156 156  
157 -Connect USB TTL Adapter to PC after connecting the wires
158 158  
271 +(((
272 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
273 +)))
159 159  
160 -[[image:image-20220602102240-4.png||height="304" width="600"]]
275 +(((
276 +(% style="background-color:yellow" %)**GND  <-> GND
277 +TXD  <->  TXD
278 +RXD  <->  RXD**
279 +)))
161 161  
162 162  
163 -=== Upgrade steps ===
282 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
164 164  
165 -==== Switch SW1 to put in ISP position ====
284 +Connect USB TTL Adapter to PC after connecting the wires
166 166  
167 -[[image:image-20220602102824-5.png||height="306" width="600"]]
168 168  
287 +[[image:image-20220602102240-4.png||height="304" width="600"]]
169 169  
170 -==== Press the RST switch once ====
171 171  
172 -[[image:image-20220602104701-12.png||height="285" width="600"]]
173 173  
291 +=== 1.9.3  Upgrade steps ===
174 174  
175 -==== Open the Upgrade tool (Tremo Programmer) in PC ====
176 176  
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/]]
178 178  
179 -[[image:image-20220602103227-6.png]]
295 +==== (% style="color:blue" %)**1.  Switch SW1 to put in ISP position**(%%) ====
180 180  
181 -[[image:image-20220602103357-7.png]]
182 182  
183 -===== Select the COM port corresponding to USB TTL =====
298 +[[image:image-20220602102824-5.png||height="306" width="600"]]
184 184  
185 -[[image:image-20220602103844-8.png]]
186 186  
187 -===== Select the bin file to burn =====
188 188  
189 -[[image:image-20220602104144-9.png]]
190 190  
191 -[[image:image-20220602104251-10.png]]
303 +==== (% style="color:blue" %)**2.  Press the RST switch once**(%%) ====
192 192  
193 -[[image:image-20220602104402-11.png]]
194 194  
195 -===== Click to start the download =====
306 +[[image:image-20220817085447-1.png]]
196 196  
197 -[[image:image-20220602104923-13.png]]
198 198  
199 -===== The following figure appears to prove that the burning is in progress =====
200 200  
201 -[[image:image-20220602104948-14.png]]
202 202  
203 -===== The following picture appears to prove that the burning is successful =====
311 +==== (% style="color:blue" %)**3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade**(%%) ====
204 204  
205 -[[image:image-20220602105251-15.png]]
206 206  
207 207  
208 -== Order Info ==
315 +(((
316 +(% 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]]**
317 +)))
209 209  
210 -Part Number: **LA66-LoRaWAN-Shield-XXX**
211 211  
212 -**XX**: The default frequency band
320 +[[image:image-20220602103227-6.png]]
213 213  
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
223 223  
224 -== Package Info ==
323 +[[image:image-20220602103357-7.png]]
225 225  
226 -* LA66 LoRaWAN Shield x 1
227 -* RF Antenna x 1
228 228  
229 229  
230 -= LA66 USB LoRaWAN Adapter =
327 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
328 +(% style="color:blue" %)**2.  Select the COM port corresponding to USB TTL**
231 231  
232 -== Overview ==
233 233  
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.
331 +[[image:image-20220602103844-8.png]]
235 235  
236 236  
237 -== Features ==
238 238  
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
335 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
336 +(% style="color:blue" %)**3.  Select the bin file to burn**
249 249  
250 -== Specification ==
251 251  
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
339 +[[image:image-20220602104144-9.png]]
267 267  
268 -== Pin Mapping & LED ==
269 269  
270 -== Example Send & Get Messages via LoRaWAN in PC ==
342 +[[image:image-20220602104251-10.png]]
271 271  
272 -Connect the LA66 LoRa Shield to the PC
273 273  
274 -[[image:image-20220602171217-1.png||height="615" width="915"]]
345 +[[image:image-20220602104402-11.png]]
275 275  
276 -Open the serial port tool
277 277  
278 -[[image:image-20220602161617-8.png]]
279 279  
280 -[[image:image-20220602161718-9.png||height="529" width="927"]]
349 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
350 +(% style="color:blue" %)**4.  Click to start the download**
281 281  
282 -Press the reset switch RST on the LA66 LoRa Shield.
283 283  
284 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
353 +[[image:image-20220602104923-13.png]]
285 285  
286 -[[image:image-20220602161935-10.png]]
287 287  
288 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
289 289  
290 -example: AT+SENDB=01,02,8,05820802581ea0a5
357 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
358 +(% style="color:blue" %)**5.  Check update process**
291 291  
292 -[[image:image-20220602162157-11.png]]
293 293  
294 -Check to see if TTN received the message
361 +[[image:image-20220602104948-14.png]]
295 295  
296 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
297 297  
298 -== Example Send & Get Messages via LoRaWAN in RPi ==
299 299  
300 -Connect the LA66 LoRa Shield to the RPI
365 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
366 +(% style="color:blue" %)**The following picture shows that the burning is successful**
301 301  
302 -[[image:image-20220602171233-2.png||height="592" width="881"]]
303 303  
304 -Log in to the RPI's terminal and connect to the serial port
369 +[[image:image-20220602105251-15.png]]
305 305  
306 -[[image:image-20220602153146-3.png]]
307 307  
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
310 310  
311 -[[image:image-20220602154928-5.png]]
373 += 2.  FAQ =
312 312  
313 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
375 +== 2.1  How to Compile Source Code for LA66? ==
314 314  
315 -example: AT+SENDB=01,02,8,05820802581ea0a5
316 316  
317 -[[image:image-20220602160339-6.png]]
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]]
318 318  
319 -Check to see if TTN received the message
320 320  
321 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
322 322  
323 -=== Install Minicom ===
382 +== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
324 324  
325 -Enter the following command in the RPI terminal
326 326  
327 -apt update
385 +Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:.Instruction for LA66 Peer to Peer firmware.WebHome]]
328 328  
329 -[[image:image-20220602143155-1.png]]
387 += 3.  Order Info =
330 330  
331 -apt install minicom
332 332  
333 -[[image:image-20220602143744-2.png]]
390 +**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
334 334  
335 -=== Send PC's CPU/RAM usage to TTN via script. ===
336 336  
337 -==== Take python as an example： ====
393 +(% style="color:blue" %)**XXX**(%%): The default frequency band
338 338  
339 -===== Preconditions: =====
395 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
396 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
397 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
398 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
399 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
400 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
401 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
402 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
403 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
340 340  
341 -1.LA66 USB LoRaWAN Adapter works fine
342 342  
343 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
406 += 4.  Reference =
344 344  
345 -===== Steps for usage =====
346 346  
347 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
409 +* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
348 348  
349 -2.Run the script and see the TTN
350 350  
351 -[[image:image-20220602115852-3.png]]
412 += 5.  FCC Statement =
352 352  
353 353  
415 +(% style="color:red" %)**FCC Caution:**
354 354  
355 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
417 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
356 356  
419 +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.
357 357  
358 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
359 359  
422 +(% style="color:red" %)**IMPORTANT NOTE: **
360 360  
424 +(% 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:
361 361  
362 -== Order Info ==
426 +—Reorient or relocate the receiving antenna.
363 363  
364 -Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
428 +—Increase the separation between the equipment and receiver.
365 365  
366 -**XX**: The default frequency band
430 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
367 367  
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
432 +—Consult the dealer or an experienced radio/TV technician for help.
377 377  
378 -== Package Info ==
379 379  
380 -* LA66 USB LoRaWAN Adapter x 1
435 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
381 381  
382 -
437 +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. 
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