Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 166.4
edited by Xiaoling
on 2023/05/26 14:19
To version < 134.4 >
edited by Xiaoling
on 2022/07/26 10:37
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Summary

Details

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Title
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1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Content
... ... @@ -6,14 +6,15 @@
6 6  
7 7  
8 8  
9 += 1.  LA66 LoRaWAN Module =
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
11 11  
12 -== 1.1  Overview ==
12 +== 1.1  What is LA66 LoRaWAN Module ==
13 13  
14 14  
15 15  (((
16 -[[image:image-20220715000826-2.png||height="145" width="220"]]
16 +(((
17 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
17 17  )))
18 18  
19 19  (((
... ... @@ -21,12 +21,13 @@
21 21  )))
22 22  
23 23  (((
24 -(% 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.
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.
25 25  )))
27 +)))
26 26  
27 27  (((
28 28  (((
29 -(% 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 +(% 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.
30 30  )))
31 31  )))
32 32  
... ... @@ -34,10 +34,8 @@
34 34  (((
35 35  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
36 36  )))
37 -)))
38 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 42  )))
43 43  )))
... ... @@ -49,14 +49,13 @@
49 49  )))
50 50  
51 51  
52 +
52 52  == 1.2  Features ==
53 53  
54 -
55 -* Arduino Shield base on LA66 LoRaWAN module
56 -* Support LoRaWAN v1.0.3 protocol
55 +* Support LoRaWAN v1.0.4 protocol
57 57  * Support peer-to-peer protocol
58 58  * TCXO crystal to ensure RF performance on low temperature
59 -* SMA connector
58 +* SMD Antenna pad and i-pex antenna connector
60 60  * Available in different frequency LoRaWAN frequency bands.
61 61  * World-wide unique OTAA keys.
62 62  * AT Command via UART-TTL interface
... ... @@ -64,9 +64,10 @@
64 64  * Ultra-long RF range
65 65  
66 66  
67 -== 1.3  Specification ==
68 68  
69 69  
68 +== 1.3  Specification ==
69 +
70 70  * CPU: 32-bit 48 MHz
71 71  * Flash: 256KB
72 72  * RAM: 64KB
... ... @@ -86,168 +86,210 @@
86 86  * I/O Voltage: 3.3v
87 87  
88 88  
89 -== 1.4  Pin Mapping & LED ==
90 90  
91 91  
92 -[[image:image-20220817085048-1.png||height="533" width="734"]]
91 +== 1.4  AT Command ==
93 93  
94 94  
94 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
95 95  
96 -~1. The LED lights up red when there is an upstream data packet
97 97  
98 -2. When the network is successfully connected, the green light will be on for 5 seconds
99 99  
100 -3. Purple light on when receiving downlink data packets
98 +== 1.5  Dimension ==
101 101  
100 +[[image:image-20220718094750-3.png]]
102 102  
103 -[[image:image-20220820112305-1.png||height="515" width="749"]]
104 104  
105 105  
106 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
104 +== 1.6  Pin Mapping ==
107 107  
106 +[[image:image-20220720111850-1.png]]
108 108  
109 -(% style="color:blue" %)**Show connection diagram：**
110 110  
111 111  
112 -[[image:image-20220723170210-2.png||height="908" width="681"]]
110 +== 1.7  Land Pattern ==
113 113  
112 +[[image:image-20220517072821-2.png]]
114 114  
115 115  
116 -(% style="color:blue" %)**1.  open Arduino IDE**
117 117  
116 += 2.  LA66 LoRaWAN Shield =
118 118  
119 -[[image:image-20220723170545-4.png]]
120 120  
119 +== 2.1  Overview ==
121 121  
122 122  
123 -(% style="color:blue" %)**2.  Open project**
122 +(((
123 +[[image:image-20220715000826-2.png||height="145" width="220"]]
124 +)))
124 124  
126 +(((
127 +
128 +)))
125 125  
126 -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]]
130 +(((
131 +(% 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.
132 +)))
127 127  
128 -[[image:image-20220726135239-1.png]]
134 +(((
135 +(((
136 +(% 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.
137 +)))
138 +)))
129 129  
140 +(((
141 +(((
142 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
143 +)))
144 +)))
130 130  
146 +(((
147 +(((
148 +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.
149 +)))
150 +)))
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**
152 +(((
153 +(((
154 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
155 +)))
156 +)))
133 133  
134 134  
135 -[[image:image-20220726135356-2.png]]
136 136  
160 +== 2.2  Features ==
137 137  
162 +* Arduino Shield base on LA66 LoRaWAN module
163 +* Support LoRaWAN v1.0.4 protocol
164 +* Support peer-to-peer protocol
165 +* TCXO crystal to ensure RF performance on low temperature
166 +* SMA connector
167 +* Available in different frequency LoRaWAN frequency bands.
168 +* World-wide unique OTAA keys.
169 +* AT Command via UART-TTL interface
170 +* Firmware upgradable via UART interface
171 +* Ultra-long RF range
138 138  
139 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
173 +== 2.3  Specification ==
140 140  
175 +* CPU: 32-bit 48 MHz
176 +* Flash: 256KB
177 +* RAM: 64KB
178 +* Input Power Range: 1.8v ~~ 3.7v
179 +* Power Consumption: < 4uA.
180 +* Frequency Range: 150 MHz ~~ 960 MHz
181 +* Maximum Power +22 dBm constant RF output
182 +* High sensitivity: -148 dBm
183 +* Temperature:
184 +** Storage: -55 ~~ +125℃
185 +** Operating: -40 ~~ +85℃
186 +* Humidity:
187 +** Storage: 5 ~~ 95% (Non-Condensing)
188 +** Operating: 10 ~~ 95% (Non-Condensing)
189 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
190 +* LoRa Rx current: <9 mA
191 +* I/O Voltage: 3.3v
141 141  
142 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
193 +== 2.4  LED ==
143 143  
195 +~1. The LED lights up red when there is an upstream data packet
196 +2. When the network is successfully connected, the green light will be on for 5 seconds
197 +3. Purple light on when receiving downlink data packets
144 144  
145 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
146 146  
200 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
147 147  
148 -(% style="color:blue" %)**1.  Open project**
149 149  
203 +**Show connection diagram：**
150 150  
151 -Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0 >>https://www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0]]
152 152  
206 +[[image:image-20220723170210-2.png||height="908" width="681"]]
153 153  
154 -[[image:image-20220723172502-8.png]]
155 155  
156 156  
210 +**1.  open Arduino IDE**
157 157  
158 -(% 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**
159 159  
213 +[[image:image-20220723170545-4.png]]
160 160  
161 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
162 162  
163 163  
164 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
217 +**2.  Open project**
165 165  
166 166  
167 -(% style="color:blue" %)**1.  Open project**
220 +LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
168 168  
222 +[[image:image-20220723170750-5.png||height="533" width="930"]]
169 169  
170 -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]]
171 171  
172 172  
173 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
226 +**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**
174 174  
175 175  
229 +[[image:image-20220723171228-6.png]]
176 176  
177 -(% 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**
178 178  
179 179  
180 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
233 +**4.  After the upload is successful, open the serial port monitoring and send the AT command**
181 181  
182 182  
236 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
183 183  
184 184  
185 185  
186 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
240 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
187 187  
188 188  
189 -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/]]
243 +**1.  Open project**
190 190  
191 191  
192 -[[image:image-20220723175700-12.png||height="602" width="995"]]
246 +Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
193 193  
248 +[[image:image-20220723172502-8.png]]
194 194  
195 -== 1.8  Example: How to join helium ==
196 196  
197 197  
198 -(% style="color:blue" %)**1.  Create a new device.**
252 +2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
199 199  
200 200  
201 -[[image:image-20220907165500-1.png||height="464" width="940"]]
255 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
202 202  
203 203  
204 204  
205 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
259 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
206 206  
207 207  
208 -[[image:image-20220907165837-2.png||height="375" width="809"]]
262 +**1.  Open project**
209 209  
210 210  
265 +Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
211 211  
212 -(% style="color:blue" %)**3.  Use AT commands.**
213 213  
268 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
214 214  
215 -[[image:image-20220602100052-2.png||height="385" width="600"]]
216 216  
217 217  
272 +**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
218 218  
219 -(% style="color:#0000ff" %)**4.  Use command AT+CFG to get device configuration**
220 220  
275 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
221 221  
222 -[[image:image-20220907170308-3.png||height="556" width="617"]]
223 223  
224 224  
279 +**3.  Integration into Node-red via TTNV3**
225 225  
226 -(% style="color:blue" %)**5.  Network successfully.**
281 +For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
227 227  
283 +[[image:image-20220723175700-12.png||height="602" width="995"]]
228 228  
229 -[[image:image-20220907170436-4.png]]
230 230  
231 231  
287 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
232 232  
233 -(% style="color:blue" %)**6.  Send uplink using command**
234 234  
290 +=== 2.8.1  Items needed for update ===
235 235  
236 -[[image:image-20220912084334-1.png]]
237 237  
238 -
239 -[[image:image-20220912084412-3.png]]
240 -
241 -
242 -
243 -[[image:image-20220907170744-6.png||height="242" width="798"]]
244 -
245 -
246 -== 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
247 -
248 -=== 1.9.1  Items needed for update ===
249 -
250 -
251 251  1. LA66 LoRaWAN Shield
252 252  1. Arduino
253 253  1. USB TO TTL Adapter
... ... @@ -255,7 +255,7 @@
255 255  [[image:image-20220602100052-2.png||height="385" width="600"]]
256 256  
257 257  
258 -=== 1.9.2  Connection ===
300 +=== 2.8.2  Connection ===
259 259  
260 260  
261 261  [[image:image-20220602101311-3.png||height="276" width="600"]]
... ... @@ -280,10 +280,10 @@
280 280  [[image:image-20220602102240-4.png||height="304" width="600"]]
281 281  
282 282  
283 -=== 1.9.3  Upgrade steps ===
325 +=== 2.8.3  Upgrade steps ===
284 284  
285 285  
286 -==== (% style="color:blue" %)**1.  Switch SW1 to put in ISP position**(%%) ====
328 +==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
287 287  
288 288  
289 289  [[image:image-20220602102824-5.png||height="306" width="600"]]
... ... @@ -290,18 +290,18 @@
290 290  
291 291  
292 292  
293 -==== (% style="color:blue" %)**2.  Press the RST switch once**(%%) ====
335 +==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
294 294  
295 295  
296 -[[image:image-20220817085447-1.png]]
338 +[[image:image-20220602104701-12.png||height="285" width="600"]]
297 297  
298 298  
299 299  
300 -==== (% style="color:blue" %)**3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade**(%%) ====
342 +==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
301 301  
302 302  
303 303  (((
304 -(% 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]]**
346 +(% 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/]]**
305 305  )))
306 306  
307 307  
... ... @@ -313,7 +313,7 @@
313 313  
314 314  
315 315  (% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
316 -(% style="color:blue" %)**2.  Select the COM port corresponding to USB TTL**
358 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
317 317  
318 318  
319 319  [[image:image-20220602103844-8.png]]
... ... @@ -321,7 +321,7 @@
321 321  
322 322  
323 323  (% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
324 -(% style="color:blue" %)**3.  Select the bin file to burn**
366 +(% style="color:blue" %)**3. Select the bin file to burn**
325 325  
326 326  
327 327  [[image:image-20220602104144-9.png]]
... ... @@ -335,15 +335,14 @@
335 335  
336 336  
337 337  (% class="wikigeneratedid" id="HClicktostartthedownload" %)
338 -(% style="color:blue" %)**4.  Click to start the download**
380 +(% style="color:blue" %)**4. Click to start the download**
339 339  
340 -
341 341  [[image:image-20220602104923-13.png]]
342 342  
343 343  
344 344  
345 345  (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
346 -(% style="color:blue" %)**5.  Check update process**
387 +(% style="color:blue" %)**5. Check update process**
347 347  
348 348  
349 349  [[image:image-20220602104948-14.png]]
... ... @@ -353,75 +353,332 @@
353 353  (% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
354 354  (% style="color:blue" %)**The following picture shows that the burning is successful**
355 355  
356 -
357 357  [[image:image-20220602105251-15.png]]
358 358  
359 359  
360 -= 2.  FAQ =
361 361  
362 -== 2.1  How to Compile Source Code for LA66? ==
401 += 3.  LA66 USB LoRaWAN Adapter =
363 363  
364 364  
365 -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]]
404 +== 3.1  Overview ==
366 366  
367 367  
368 -== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
407 +[[image:image-20220715001142-3.png||height="145" width="220"]]
369 369  
370 370  
371 -Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:.Instruction for LA66 Peer to Peer firmware.WebHome]]
410 +(((
411 +(% 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.
412 +)))
372 372  
414 +(((
415 +(% 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.
416 +)))
373 373  
374 -= 3.  Order Info =
418 +(((
419 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
420 +)))
375 375  
422 +(((
423 +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.
424 +)))
376 376  
377 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
426 +(((
427 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
428 +)))
378 378  
379 -(% style="color:blue" %)**XXX**(%%): The default frequency band
380 380  
381 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
382 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
383 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
384 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
385 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
386 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
387 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
388 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
389 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
390 390  
432 +== 3.2  Features ==
391 391  
434 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
435 +* Ultra-long RF range
436 +* Support LoRaWAN v1.0.4 protocol
437 +* Support peer-to-peer protocol
438 +* TCXO crystal to ensure RF performance on low temperature
439 +* Spring RF antenna
440 +* Available in different frequency LoRaWAN frequency bands.
441 +* World-wide unique OTAA keys.
442 +* AT Command via UART-TTL interface
443 +* Firmware upgradable via UART interface
444 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
392 392  
393 -= 4.  Reference =
394 394  
395 395  
396 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
448 +== 3.3  Specification ==
397 397  
450 +* CPU: 32-bit 48 MHz
451 +* Flash: 256KB
452 +* RAM: 64KB
453 +* Input Power Range: 5v
454 +* Frequency Range: 150 MHz ~~ 960 MHz
455 +* Maximum Power +22 dBm constant RF output
456 +* High sensitivity: -148 dBm
457 +* Temperature:
458 +** Storage: -55 ~~ +125℃
459 +** Operating: -40 ~~ +85℃
460 +* Humidity:
461 +** Storage: 5 ~~ 95% (Non-Condensing)
462 +** Operating: 10 ~~ 95% (Non-Condensing)
463 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
464 +* LoRa Rx current: <9 mA
398 398  
399 399  
400 -= 5.  FCC Statement =
401 401  
468 +== 3.4  Pin Mapping & LED ==
402 402  
403 -(% style="color:red" %)**FCC Caution:**
404 404  
405 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
406 406  
407 -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.
472 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
408 408  
409 409  
410 -(% style="color:red" %)**IMPORTANT NOTE: **
475 +(((
476 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
477 +)))
411 411  
412 -(% 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:
413 413  
414 -—Reorient or relocate the receiving antenna.
480 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
415 415  
416 -—Increase the separation between the equipment and receiver.
417 417  
418 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
483 +[[image:image-20220723100027-1.png]]
419 419  
420 -—Consult the dealer or an experienced radio/TV technician for help.
421 421  
486 +Open the serial port tool
422 422  
423 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
488 +[[image:image-20220602161617-8.png]]
424 424  
425 -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. 
490 +[[image:image-20220602161718-9.png||height="457" width="800"]]
426 426  
427 -
492 +
493 +
494 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
495 +
496 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
497 +
498 +
499 +[[image:image-20220602161935-10.png||height="498" width="800"]]
500 +
501 +
502 +
503 +(% style="color:blue" %)**3. See Uplink Command**
504 +
505 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
506 +
507 +example: AT+SENDB=01,02,8,05820802581ea0a5
508 +
509 +[[image:image-20220602162157-11.png||height="497" width="800"]]
510 +
511 +
512 +
513 +(% style="color:blue" %)**4. Check to see if TTN received the message**
514 +
515 +[[image:image-20220602162331-12.png||height="420" width="800"]]
516 +
517 +
518 +
519 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
520 +
521 +
522 +**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]]
523 +
524 +(**Raspberry Pi example: **[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py]])
525 +
526 +(% style="color:red" %)**Preconditions:**
527 +
528 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
529 +
530 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
531 +
532 +
533 +
534 +(% style="color:blue" %)**Steps for usage:**
535 +
536 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
537 +
538 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
539 +
540 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
541 +
542 +
543 +
544 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
545 +
546 +
547 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
548 +
549 +
550 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
551 +
552 +[[image:image-20220723100439-2.png]]
553 +
554 +
555 +
556 +(% style="color:blue" %)**2. Install Minicom in RPi.**
557 +
558 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
559 +
560 + (% style="background-color:yellow" %)**apt update**
561 +
562 + (% style="background-color:yellow" %)**apt install minicom**
563 +
564 +
565 +Use minicom to connect to the RPI's terminal
566 +
567 +[[image:image-20220602153146-3.png||height="439" width="500"]]
568 +
569 +
570 +
571 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
572 +
573 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
574 +
575 +
576 +[[image:image-20220602154928-5.png||height="436" width="500"]]
577 +
578 +
579 +
580 +(% style="color:blue" %)**4. Send Uplink message**
581 +
582 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
583 +
584 +example: AT+SENDB=01,02,8,05820802581ea0a5
585 +
586 +
587 +[[image:image-20220602160339-6.png||height="517" width="600"]]
588 +
589 +
590 +
591 +Check to see if TTN received the message
592 +
593 +[[image:image-20220602160627-7.png||height="369" width="800"]]
594 +
595 +
596 +
597 +== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
598 +
599 +
600 +=== 3.8.1 DRAGINO-LA66-APP ===
601 +
602 +
603 +[[image:image-20220723102027-3.png]]
604 +
605 +
606 +
607 +==== (% style="color:blue" %)**Overview：**(%%) ====
608 +
609 +
610 +DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Adapter and APP sample process. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Adapter.
611 +
612 +View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
613 +
614 +
615 +
616 +==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
617 +
618 +
619 +Requires a type-c to USB adapter
620 +
621 +[[image:image-20220723104754-4.png]]
622 +
623 +
624 +
625 +==== (% style="color:blue" %)**Use of APP:**(%%) ====
626 +
627 +
628 +Function and page introduction
629 +
630 +[[image:image-20220723113448-7.png||height="1481" width="670"]]
631 +
632 +1.Display LA66 USB LoRaWAN Module connection status
633 +
634 +2.Check and reconnect
635 +
636 +3.Turn send timestamps on or off
637 +
638 +4.Display LoRaWan connection status
639 +
640 +5.Check LoRaWan connection status
641 +
642 +6.The RSSI value of the node when the ACK is received
643 +
644 +7.Node's Signal Strength Icon
645 +
646 +8.Set the packet sending interval of the node in seconds
647 +
648 +9.AT command input box
649 +
650 +10.Send AT command button
651 +
652 +11.Node log box
653 +
654 +12.clear log button
655 +
656 +13.exit button
657 +
658 +
659 +LA66 USB LoRaWAN Module not connected
660 +
661 +[[image:image-20220723110520-5.png||height="903" width="677"]]
662 +
663 +
664 +
665 +Connect LA66 USB LoRaWAN Module
666 +
667 +[[image:image-20220723110626-6.png||height="906" width="680"]]
668 +
669 +
670 +
671 +=== 3.8.2 Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Adapter and integrate it into Node-RED ===
672 +
673 +
674 +**1.  Register LA66 USB LoRaWAN Module to TTNV3**
675 +
676 +[[image:image-20220723134549-8.png]]
677 +
678 +
679 +
680 +**2.  Open Node-RED,And import the JSON file to generate the flow**
681 +
682 +Sample JSON file please go to this link to download：放置JSON文件的链接
683 +
684 +For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
685 +
686 +The following is the positioning effect map
687 +
688 +[[image:image-20220723144339-1.png]]
689 +
690 +
691 +
692 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
693 +
694 +
695 +The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
696 +
697 +Just use the yellow jumper cap to short the BOOT corner and the RX corner, and then press the RESET button (without the jumper cap, you can directly short the BOOT corner and the RX corner with a wire to achieve the same effect)
698 +
699 +[[image:image-20220723150132-2.png]]
700 +
701 +
702 +
703 += 4.  Order Info =
704 +
705 +
706 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
707 +
708 +
709 +(% style="color:blue" %)**XXX**(%%): The default frequency band
710 +
711 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
712 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
713 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
714 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
715 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
716 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
717 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
718 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
719 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
720 +
721 +
722 += 5.  Reference =
723 +
724 +
725 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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