Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 165.4 >
edited by Xiaoling
on 2022/10/10 11:37
To version < 134.1 >
edited by Herong Lu
on 2022/07/26 09:19
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Lu
Content
... ... @@ -1,4 +1,4 @@
1 -
1 +0
2 2  
3 3  **Table of Contents:**
4 4  
... ... @@ -6,14 +6,114 @@
6 6  
7 7  
8 8  
9 += 1.  LA66 LoRaWAN Module =
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
11 11  
12 +== 1.1  What is LA66 LoRaWAN Module ==
12 12  
13 -== 1.1  Overview ==
14 14  
15 +(((
16 +(((
17 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 +)))
15 15  
16 16  (((
21 +
22 +)))
23 +
24 +(((
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 +
29 +(((
30 +(((
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.
32 +)))
33 +)))
34 +
35 +(((
36 +(((
37 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 +)))
39 +
40 +(((
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 +
45 +(((
46 +(((
47 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
48 +)))
49 +)))
50 +
51 +
52 +
53 +== 1.2  Features ==
54 +
55 +* Support LoRaWAN v1.0.4 protocol
56 +* Support peer-to-peer protocol
57 +* TCXO crystal to ensure RF performance on low temperature
58 +* SMD Antenna pad and i-pex antenna connector
59 +* Available in different frequency LoRaWAN frequency bands.
60 +* World-wide unique OTAA keys.
61 +* AT Command via UART-TTL interface
62 +* Firmware upgradable via UART interface
63 +* Ultra-long RF range
64 +
65 +== 1.3  Specification ==
66 +
67 +* CPU: 32-bit 48 MHz
68 +* Flash: 256KB
69 +* RAM: 64KB
70 +* Input Power Range: 1.8v ~~ 3.7v
71 +* Power Consumption: < 4uA.
72 +* Frequency Range: 150 MHz ~~ 960 MHz
73 +* Maximum Power +22 dBm constant RF output
74 +* High sensitivity: -148 dBm
75 +* Temperature:
76 +** Storage: -55 ~~ +125℃
77 +** Operating: -40 ~~ +85℃
78 +* Humidity:
79 +** Storage: 5 ~~ 95% (Non-Condensing)
80 +** Operating: 10 ~~ 95% (Non-Condensing)
81 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
82 +* LoRa Rx current: <9 mA
83 +* I/O Voltage: 3.3v
84 +
85 +== 1.4  AT Command ==
86 +
87 +
88 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
89 +
90 +
91 +
92 +== 1.5  Dimension ==
93 +
94 +[[image:image-20220718094750-3.png]]
95 +
96 +
97 +
98 +== 1.6  Pin Mapping ==
99 +
100 +[[image:image-20220720111850-1.png]]
101 +
102 +
103 +
104 +== 1.7  Land Pattern ==
105 +
106 +[[image:image-20220517072821-2.png]]
107 +
108 +
109 +
110 += 2.  LA66 LoRaWAN Shield =
111 +
112 +
113 +== 2.1  Overview ==
114 +
115 +
116 +(((
17 17  [[image:image-20220715000826-2.png||height="145" width="220"]]
18 18  )))
19 19  
... ... @@ -51,11 +51,10 @@
51 51  
52 52  
53 53  
54 -== 1.2  Features ==
154 +== 2.2  Features ==
55 55  
56 -
57 57  * Arduino Shield base on LA66 LoRaWAN module
58 -* Support LoRaWAN v1.0.3 protocol
157 +* 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 61  * SMA connector
... ... @@ -65,9 +65,8 @@
65 65  * Firmware upgradable via UART interface
66 66  * Ultra-long RF range
67 67  
68 -== 1.3  Specification ==
167 +== 2.3  Specification ==
69 69  
70 -
71 71  * CPU: 32-bit 48 MHz
72 72  * Flash: 256KB
73 73  * RAM: 64KB
... ... @@ -86,356 +86,468 @@
86 86  * LoRa Rx current: <9 mA
87 87  * I/O Voltage: 3.3v
88 88  
89 -== 1.4  Pin Mapping & LED ==
187 +== 2.4  LED ==
90 90  
189 +~1. The LED lights up red when there is an upstream data packet
190 +2. When the network is successfully connected, the green light will be on for 5 seconds
191 +3. Purple light on when receiving downlink data packets
91 91  
92 -[[image:image-20220817085048-1.png||height="533" width="734"]]
93 93  
194 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
94 94  
196 +Show connection diagram：
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
198 +[[image:image-20220723170210-2.png||height="908" width="681"]]
99 99  
200 +1.open Arduino IDE
100 100  
101 -[[image:image-20220820112305-1.png||height="515" width="749"]]
202 +[[image:image-20220723170545-4.png]]
102 102  
204 +2.Open project
103 103  
206 +[[image:image-20220723170750-5.png||height="533" width="930"]]
104 104  
105 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
208 +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
106 106  
210 +[[image:image-20220723171228-6.png]]
107 107  
108 -**Show connection diagram：**
212 +4.After the upload is successful, open the serial port monitoring and send the AT command
109 109  
214 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
110 110  
111 -[[image:image-20220723170210-2.png||height="908" width="681"]]
216 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
112 112  
218 +1.Open project
113 113  
220 +[[image:image-20220723172502-8.png]]
114 114  
115 -(% style="color:blue" %)**1.  open Arduino IDE**
222 +2.Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
116 116  
224 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
117 117  
118 -[[image:image-20220723170545-4.png]]
119 119  
227 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
120 120  
229 +1.Open project
121 121  
122 -(% style="color:blue" %)**2.  Open project**
231 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
123 123  
233 +2.Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
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]]
235 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
126 126  
237 +3.Integration into Node-red via TTNV3
127 127  
128 -[[image:image-20220726135239-1.png]]
239 +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/]]
129 129  
241 +[[image:image-20220723175700-12.png||height="602" width="995"]]
130 130  
243 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
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**
133 133  
246 +=== 2.8.1  Items needed for update ===
134 134  
135 -[[image:image-20220726135356-2.png]]
248 +1. LA66 LoRaWAN Shield
249 +1. Arduino
250 +1. USB TO TTL Adapter
136 136  
252 +[[image:image-20220602100052-2.png||height="385" width="600"]]
137 137  
138 138  
139 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
255 +=== 2.8.2  Connection ===
140 140  
141 141  
142 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
258 +[[image:image-20220602101311-3.png||height="276" width="600"]]
143 143  
144 144  
261 +(((
262 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
263 +)))
145 145  
146 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
265 +(((
266 +(% style="background-color:yellow" %)**GND  <-> GND
267 +TXD  <->  TXD
268 +RXD  <->  RXD**
269 +)))
147 147  
148 148  
149 -(% style="color:blue" %)**1.  Open project**
272 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
150 150  
274 +Connect USB TTL Adapter to PC after connecting the wires
151 151  
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]]
153 153  
277 +[[image:image-20220602102240-4.png||height="304" width="600"]]
154 154  
155 -[[image:image-20220723172502-8.png]]
156 156  
280 +=== 2.8.3  Upgrade steps ===
157 157  
158 158  
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**
283 +==== 1.  Switch SW1 to put in ISP position ====
160 160  
161 161  
162 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
286 +[[image:image-20220602102824-5.png||height="306" width="600"]]
163 163  
164 164  
165 165  
166 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
290 +==== 2.  Press the RST switch once ====
167 167  
168 168  
169 -(% style="color:blue" %)**1.  Open project**
293 +[[image:image-20220602104701-12.png||height="285" width="600"]]
170 170  
171 171  
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]]
173 173  
297 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
174 174  
175 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
176 176  
300 +(((
301 +(% 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/]]**
302 +)))
177 177  
178 178  
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**
305 +[[image:image-20220602103227-6.png]]
180 180  
181 181  
182 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
308 +[[image:image-20220602103357-7.png]]
183 183  
184 184  
185 185  
312 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
313 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
186 186  
187 187  
188 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
316 +[[image:image-20220602103844-8.png]]
189 189  
190 190  
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/]]
192 192  
320 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
321 +(% style="color:blue" %)**3. Select the bin file to burn**
193 193  
194 -[[image:image-20220723175700-12.png||height="602" width="995"]]
195 195  
324 +[[image:image-20220602104144-9.png]]
196 196  
197 197  
198 -== 1.8  Example: How to join helium ==
327 +[[image:image-20220602104251-10.png]]
199 199  
200 200  
201 -(% style="color:blue" %)**1.  Create a new device.**
330 +[[image:image-20220602104402-11.png]]
202 202  
203 203  
204 -[[image:image-20220907165500-1.png||height="464" width="940"]]
205 205  
334 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
335 +(% style="color:blue" %)**4. Click to start the download**
206 206  
337 +[[image:image-20220602104923-13.png]]
207 207  
208 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
209 209  
210 210  
211 -[[image:image-20220907165837-2.png||height="375" width="809"]]
341 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
342 +(% style="color:blue" %)**5. Check update process**
212 212  
213 213  
345 +[[image:image-20220602104948-14.png]]
214 214  
215 -(% style="color:blue" %)**3.  Use AT commands.**
216 216  
217 217  
218 -[[image:image-20220602100052-2.png||height="385" width="600"]]
349 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
350 +(% style="color:blue" %)**The following picture shows that the burning is successful**
219 219  
352 +[[image:image-20220602105251-15.png]]
220 220  
221 221  
222 -(% style="color:#0000ff" %)**4.  Use command AT+CFG to get device configuration**
223 223  
356 += 3.  LA66 USB LoRaWAN Adapter =
224 224  
225 -[[image:image-20220907170308-3.png||height="556" width="617"]]
226 226  
359 +== 3.1  Overview ==
227 227  
228 228  
229 -(% style="color:blue" %)**5.  Network successfully.**
362 +[[image:image-20220715001142-3.png||height="145" width="220"]]
230 230  
231 231  
232 -[[image:image-20220907170436-4.png]]
365 +(((
366 +(% 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.
367 +)))
233 233  
369 +(((
370 +(% 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.
371 +)))
234 234  
373 +(((
374 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
375 +)))
235 235  
236 -(% style="color:blue" %)**6.  Send uplink using command**
377 +(((
378 +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.
379 +)))
237 237  
381 +(((
382 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
383 +)))
238 238  
239 -[[image:image-20220912084334-1.png]]
240 240  
241 241  
242 -[[image:image-20220912084412-3.png]]
387 +== 3.2  Features ==
243 243  
389 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
390 +* Ultra-long RF range
391 +* Support LoRaWAN v1.0.4 protocol
392 +* Support peer-to-peer protocol
393 +* TCXO crystal to ensure RF performance on low temperature
394 +* Spring RF antenna
395 +* Available in different frequency LoRaWAN frequency bands.
396 +* World-wide unique OTAA keys.
397 +* AT Command via UART-TTL interface
398 +* Firmware upgradable via UART interface
399 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
244 244  
401 +== 3.3  Specification ==
245 245  
246 -[[image:image-20220907170744-6.png||height="242" width="798"]]
403 +* CPU: 32-bit 48 MHz
404 +* Flash: 256KB
405 +* RAM: 64KB
406 +* Input Power Range: 5v
407 +* Frequency Range: 150 MHz ~~ 960 MHz
408 +* Maximum Power +22 dBm constant RF output
409 +* High sensitivity: -148 dBm
410 +* Temperature:
411 +** Storage: -55 ~~ +125℃
412 +** Operating: -40 ~~ +85℃
413 +* Humidity:
414 +** Storage: 5 ~~ 95% (Non-Condensing)
415 +** Operating: 10 ~~ 95% (Non-Condensing)
416 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
417 +* LoRa Rx current: <9 mA
247 247  
419 +== 3.4  Pin Mapping & LED ==
248 248  
249 249  
250 -== 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
251 251  
423 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
252 252  
253 -=== 1.9.1  Items needed for update ===
254 254  
426 +(((
427 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
428 +)))
255 255  
256 -1. LA66 LoRaWAN Shield
257 -1. Arduino
258 -1. USB TO TTL Adapter
259 259  
260 -[[image:image-20220602100052-2.png||height="385" width="600"]]
431 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
261 261  
262 262  
434 +[[image:image-20220723100027-1.png]]
263 263  
264 -=== 1.9.2  Connection ===
265 265  
437 +Open the serial port tool
266 266  
267 -[[image:image-20220602101311-3.png||height="276" width="600"]]
439 +[[image:image-20220602161617-8.png]]
268 268  
441 +[[image:image-20220602161718-9.png||height="457" width="800"]]
269 269  
270 -(((
271 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
272 -)))
273 273  
274 -(((
275 -(% style="background-color:yellow" %)**GND  <-> GND
276 -TXD  <->  TXD
277 -RXD  <->  RXD**
278 -)))
279 279  
445 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
280 280  
281 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
447 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
282 282  
283 -Connect USB TTL Adapter to PC after connecting the wires
284 284  
450 +[[image:image-20220602161935-10.png||height="498" width="800"]]
285 285  
286 -[[image:image-20220602102240-4.png||height="304" width="600"]]
287 287  
288 288  
454 +(% style="color:blue" %)**3. See Uplink Command**
289 289  
290 -=== 1.9.3  Upgrade steps ===
456 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
291 291  
458 +example: AT+SENDB=01,02,8,05820802581ea0a5
292 292  
460 +[[image:image-20220602162157-11.png||height="497" width="800"]]
293 293  
294 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
295 295  
296 296  
297 -[[image:image-20220602102824-5.png||height="306" width="600"]]
464 +(% style="color:blue" %)**4. Check to see if TTN received the message**
298 298  
466 +[[image:image-20220602162331-12.png||height="420" width="800"]]
299 299  
300 300  
301 301  
302 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
470 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
303 303  
304 304  
305 -[[image:image-20220817085447-1.png]]
473 +**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]]
306 306  
475 +(**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]])
307 307  
477 +(% style="color:red" %)**Preconditions:**
308 308  
479 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
309 309  
310 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
481 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
311 311  
312 312  
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 -)))
485 +(% style="color:blue" %)**Steps for usage:**
317 317  
487 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
318 318  
319 -[[image:image-20220602103227-6.png]]
489 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
320 320  
491 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
321 321  
322 -[[image:image-20220602103357-7.png]]
323 323  
324 324  
495 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
325 325  
326 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
327 -(% style="color:blue" %)**2.  Select the COM port corresponding to USB TTL**
328 328  
498 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
329 329  
330 -[[image:image-20220602103844-8.png]]
331 331  
501 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
332 332  
503 +[[image:image-20220723100439-2.png]]
333 333  
334 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
335 -(% style="color:blue" %)**3.  Select the bin file to burn**
336 336  
337 337  
338 -[[image:image-20220602104144-9.png]]
507 +(% style="color:blue" %)**2. Install Minicom in RPi.**
339 339  
509 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
340 340  
341 -[[image:image-20220602104251-10.png]]
511 + (% style="background-color:yellow" %)**apt update**
342 342  
513 + (% style="background-color:yellow" %)**apt install minicom**
343 343  
344 -[[image:image-20220602104402-11.png]]
345 345  
516 +Use minicom to connect to the RPI's terminal
346 346  
518 +[[image:image-20220602153146-3.png||height="439" width="500"]]
347 347  
348 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
349 -(% style="color:blue" %)**4.  Click to start the download**
350 350  
351 351  
352 -[[image:image-20220602104923-13.png]]
522 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
353 353  
524 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
354 354  
355 355  
356 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
357 -(% style="color:blue" %)**5.  Check update process**
527 +[[image:image-20220602154928-5.png||height="436" width="500"]]
358 358  
359 359  
360 -[[image:image-20220602104948-14.png]]
361 361  
531 +(% style="color:blue" %)**4. Send Uplink message**
362 362  
533 +Format: (% style="color:#4472c4" %)**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**
535 +example: AT+SENDB=01,02,8,05820802581ea0a5
366 366  
367 367  
368 -[[image:image-20220602105251-15.png]]
538 +[[image:image-20220602160339-6.png||height="517" width="600"]]
369 369  
370 370  
371 371  
372 -= 2.  FAQ =
542 +Check to see if TTN received the message
373 373  
544 +[[image:image-20220602160627-7.png||height="369" width="800"]]
374 374  
375 -== 2.1  How to Compile Source Code for LA66? ==
376 376  
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]]
548 +== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
379 379  
550 +=== 3.8.1 DRAGINO-LA66-APP ===
380 380  
552 +[[image:image-20220723102027-3.png]]
381 381  
382 -== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
554 +==== Overview： ====
383 383  
556 +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.
384 384  
385 -Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:.Instruction for LA66 Peer to Peer firmware.WebHome]]
558 +View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
386 386  
560 +==== Conditions of Use： ====
387 387  
562 +Requires a type-c to USB adapter
388 388  
389 -= 3.  Order Info =
564 +[[image:image-20220723104754-4.png]]
390 390  
566 +==== Use of APP: ====
391 391  
392 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
568 +Function and page introduction
393 393  
570 +[[image:image-20220723113448-7.png||height="1481" width="670"]]
394 394  
395 -(% style="color:blue" %)**XXX**(%%): The default frequency band
572 +1.Display LA66 USB LoRaWAN Module connection status
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
574 +2.Check and reconnect
406 406  
576 +3.Turn send timestamps on or off
407 407  
578 +4.Display LoRaWan connection status
408 408  
409 -= 4.  Reference =
580 +5.Check LoRaWan connection status
410 410  
582 +6.The RSSI value of the node when the ACK is received
411 411  
412 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
584 +7.Node's Signal Strength Icon
413 413  
586 +8.Set the packet sending interval of the node in seconds
414 414  
588 +9.AT command input box
415 415  
416 -= 5.  FCC Statement =
590 +10.Send AT command button
417 417  
592 +11.Node log box
418 418  
419 -(% style="color:red" %)**FCC Caution:**
594 +12.clear log button
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.
596 +13.exit button
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.
598 +LA66 USB LoRaWAN Module not connected
424 424  
600 +[[image:image-20220723110520-5.png||height="903" width="677"]]
425 425  
426 -(% style="color:red" %)**IMPORTANT NOTE: **
602 +Connect LA66 USB LoRaWAN Module
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:
604 +[[image:image-20220723110626-6.png||height="906" width="680"]]
429 429  
430 -—Reorient or relocate the receiving antenna.
606 +=== 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 ===
431 431  
432 -—Increase the separation between the equipment and receiver.
608 +1.Register LA66 USB LoRaWAN Module to TTNV3
433 433  
434 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
610 +[[image:image-20220723134549-8.png]]
435 435  
436 -—Consult the dealer or an experienced radio/TV technician for help.
612 +2.Open Node-RED,And import the JSON file to generate the flow
437 437  
614 +Sample JSON file please go to this link to download：放置JSON文件的链接
438 438  
439 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
616 +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/]]
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. 
618 +The following is the positioning effect map
619 +
620 +[[image:image-20220723144339-1.png]]
621 +
622 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
623 +
624 +The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
625 +
626 +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)
627 +
628 +[[image:image-20220723150132-2.png]]
629 +
630 +
631 += 4.  Order Info =
632 +
633 +
634 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
635 +
636 +
637 +(% style="color:blue" %)**XXX**(%%): The default frequency band
638 +
639 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
640 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
641 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
642 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
643 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
644 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
645 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
646 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
647 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
648 +
649 += 5.  Reference =
650 +
651 +* 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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