Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 165.1 >
edited by Edwin Chen
on 2022/09/24 13:43
To version < 134.2 >
edited by Xiaoling
on 2022/07/26 10:28
>
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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
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
... ... @@ -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
... ... @@ -65,10 +65,8 @@
65 65  * Firmware upgradable via UART interface
66 66  * Ultra-long RF range
67 67  
167 +== 2.3  Specification ==
68 68  
69 -== 1.3  Specification ==
70 -
71 -
72 72  * CPU: 32-bit 48 MHz
73 73  * Flash: 256KB
74 74  * RAM: 64KB
... ... @@ -87,310 +87,497 @@
87 87  * LoRa Rx current: <9 mA
88 88  * I/O Voltage: 3.3v
89 89  
187 +== 2.4  LED ==
90 90  
91 -== 1.4  Pin Mapping & LED ==
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
92 92  
93 93  
94 -[[image:image-20220817085048-1.png||height="533" width="734"]]
194 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
95 95  
196 +Show connection diagram：
96 96  
198 +[[image:image-20220723170210-2.png||height="908" width="681"]]
97 97  
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
200 +1.open Arduino IDE
101 101  
202 +[[image:image-20220723170545-4.png]]
102 102  
103 -[[image:image-20220820112305-1.png||height="515" width="749"]]
204 +2.Open project
104 104  
206 +[[image:image-20220723170750-5.png||height="533" width="930"]]
105 105  
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  
107 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
210 +[[image:image-20220723171228-6.png]]
108 108  
212 +4.After the upload is successful, open the serial port monitoring and send the AT command
109 109  
110 -**Show connection diagram：**
214 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
111 111  
216 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
112 112  
113 -[[image:image-20220723170210-2.png||height="908" width="681"]]
218 +1.Open project
114 114  
220 +[[image:image-20220723172502-8.png]]
115 115  
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  
117 -(% style="color:blue" %)**1.  open Arduino IDE**
224 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
118 118  
119 119  
120 -[[image:image-20220723170545-4.png]]
121 121  
228 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
122 122  
123 123  
124 -(% style="color:blue" %)**2.  Open project**
231 +**1.  Open project**
125 125  
126 126  
127 -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]]
234 +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]]
128 128  
129 129  
130 -[[image:image-20220726135239-1.png]]
237 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
131 131  
132 132  
133 133  
134 -(% 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**
241 +**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
135 135  
136 136  
137 -[[image:image-20220726135356-2.png]]
244 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
138 138  
139 139  
140 140  
141 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
248 +**3.  Integration into Node-red via TTNV3**
142 142  
250 +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/]]
143 143  
144 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
252 +[[image:image-20220723175700-12.png||height="602" width="995"]]
145 145  
146 146  
147 147  
148 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
256 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
149 149  
150 150  
151 -(% style="color:blue" %)**1.  Open project**
259 +=== 2.8.1  Items needed for update ===
152 152  
153 153  
154 -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]]
262 +1. LA66 LoRaWAN Shield
263 +1. Arduino
264 +1. USB TO TTL Adapter
155 155  
266 +[[image:image-20220602100052-2.png||height="385" width="600"]]
156 156  
157 -[[image:image-20220723172502-8.png]]
158 158  
269 +=== 2.8.2  Connection ===
159 159  
160 160  
161 -(% 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**
272 +[[image:image-20220602101311-3.png||height="276" width="600"]]
162 162  
163 163  
164 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
275 +(((
276 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
277 +)))
165 165  
279 +(((
280 +(% style="background-color:yellow" %)**GND  <-> GND
281 +TXD  <->  TXD
282 +RXD  <->  RXD**
283 +)))
166 166  
167 167  
168 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
286 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
169 169  
288 +Connect USB TTL Adapter to PC after connecting the wires
170 170  
171 -(% style="color:blue" %)**1.  Open project**
172 172  
291 +[[image:image-20220602102240-4.png||height="304" width="600"]]
173 173  
174 -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]]
175 175  
294 +=== 2.8.3  Upgrade steps ===
176 176  
177 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
178 178  
297 +==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
179 179  
180 180  
181 -(% 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**
300 +[[image:image-20220602102824-5.png||height="306" width="600"]]
182 182  
183 183  
184 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
185 185  
304 +==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
186 186  
187 187  
307 +[[image:image-20220602104701-12.png||height="285" width="600"]]
188 188  
189 189  
190 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
191 191  
311 +==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
192 192  
193 -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/]]
194 194  
314 +(((
315 +(% 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/]]**
316 +)))
195 195  
196 -[[image:image-20220723175700-12.png||height="602" width="995"]]
197 197  
319 +[[image:image-20220602103227-6.png]]
198 198  
199 199  
200 -== 1.8  Example: How to join helium ==
322 +[[image:image-20220602103357-7.png]]
201 201  
202 202  
203 -(% style="color:blue" %)**1.  Create a new device.**
204 204  
326 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
327 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
205 205  
206 -[[image:image-20220907165500-1.png||height="464" width="940"]]
207 207  
330 +[[image:image-20220602103844-8.png]]
208 208  
209 209  
210 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
211 211  
334 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
335 +(% style="color:blue" %)**3. Select the bin file to burn**
212 212  
213 -[[image:image-20220907165837-2.png||height="375" width="809"]]
214 214  
338 +[[image:image-20220602104144-9.png]]
215 215  
216 216  
217 -(% style="color:blue" %)**3.  Use AT commands.**
341 +[[image:image-20220602104251-10.png]]
218 218  
219 219  
220 -[[image:image-20220602100052-2.png||height="385" width="600"]]
344 +[[image:image-20220602104402-11.png]]
221 221  
222 222  
223 223  
224 -(% style="color:#0000ff" %)**4.  Use command AT+CFG to get device configuration**
348 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
349 +(% style="color:blue" %)**4. Click to start the download**
225 225  
351 +[[image:image-20220602104923-13.png]]
226 226  
227 -[[image:image-20220907170308-3.png||height="556" width="617"]]
228 228  
229 229  
355 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
356 +(% style="color:blue" %)**5. Check update process**
230 230  
231 -(% style="color:blue" %)**5.  Network successfully.**
232 232  
359 +[[image:image-20220602104948-14.png]]
233 233  
234 -[[image:image-20220907170436-4.png]]
235 235  
236 236  
363 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
364 +(% style="color:blue" %)**The following picture shows that the burning is successful**
237 237  
238 -(% style="color:blue" %)**6.  Send uplink using command**
366 +[[image:image-20220602105251-15.png]]
239 239  
240 240  
241 -[[image:image-20220912084334-1.png]]
242 242  
370 += 3.  LA66 USB LoRaWAN Adapter =
243 243  
244 -[[image:image-20220912084412-3.png]]
245 245  
373 +== 3.1  Overview ==
246 246  
247 247  
248 -[[image:image-20220907170744-6.png||height="242" width="798"]]
376 +[[image:image-20220715001142-3.png||height="145" width="220"]]
249 249  
250 250  
379 +(((
380 +(% 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.
381 +)))
251 251  
252 -== 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
383 +(((
384 +(% 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.
385 +)))
253 253  
387 +(((
388 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
389 +)))
254 254  
255 -=== 1.9.1  Items needed for update ===
391 +(((
392 +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.
393 +)))
256 256  
395 +(((
396 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
397 +)))
257 257  
258 -1. LA66 LoRaWAN Shield
259 -1. Arduino
260 -1. USB TO TTL Adapter
261 261  
262 -[[image:image-20220602100052-2.png||height="385" width="600"]]
263 263  
401 +== 3.2  Features ==
264 264  
403 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
404 +* Ultra-long RF range
405 +* Support LoRaWAN v1.0.4 protocol
406 +* Support peer-to-peer protocol
407 +* TCXO crystal to ensure RF performance on low temperature
408 +* Spring RF antenna
409 +* Available in different frequency LoRaWAN frequency bands.
410 +* World-wide unique OTAA keys.
411 +* AT Command via UART-TTL interface
412 +* Firmware upgradable via UART interface
413 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
265 265  
266 -=== 1.9.2  Connection ===
267 267  
268 268  
269 -[[image:image-20220602101311-3.png||height="276" width="600"]]
417 +== 3.3  Specification ==
270 270  
419 +* CPU: 32-bit 48 MHz
420 +* Flash: 256KB
421 +* RAM: 64KB
422 +* Input Power Range: 5v
423 +* Frequency Range: 150 MHz ~~ 960 MHz
424 +* Maximum Power +22 dBm constant RF output
425 +* High sensitivity: -148 dBm
426 +* Temperature:
427 +** Storage: -55 ~~ +125℃
428 +** Operating: -40 ~~ +85℃
429 +* Humidity:
430 +** Storage: 5 ~~ 95% (Non-Condensing)
431 +** Operating: 10 ~~ 95% (Non-Condensing)
432 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
433 +* LoRa Rx current: <9 mA
271 271  
272 -(((
273 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
274 -)))
275 275  
436 +
437 +== 3.4  Pin Mapping & LED ==
438 +
439 +
440 +
441 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
442 +
443 +
276 276  (((
277 -(% style="background-color:yellow" %)**GND  <-> GND
278 -TXD  <->  TXD
279 -RXD  <->  RXD**
445 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
280 280  )))
281 281  
282 282  
283 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
449 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
284 284  
285 -Connect USB TTL Adapter to PC after connecting the wires
286 286  
452 +[[image:image-20220723100027-1.png]]
287 287  
288 -[[image:image-20220602102240-4.png||height="304" width="600"]]
289 289  
455 +Open the serial port tool
290 290  
457 +[[image:image-20220602161617-8.png]]
291 291  
292 -=== 1.9.3  Upgrade steps ===
459 +[[image:image-20220602161718-9.png||height="457" width="800"]]
293 293  
294 294  
295 295  
296 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
463 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
297 297  
465 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
298 298  
299 -[[image:image-20220602102824-5.png||height="306" width="600"]]
300 300  
468 +[[image:image-20220602161935-10.png||height="498" width="800"]]
301 301  
302 302  
303 303  
304 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
472 +(% style="color:blue" %)**3. See Uplink Command**
305 305  
474 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
306 306  
307 -[[image:image-20220817085447-1.png]]
476 +example: AT+SENDB=01,02,8,05820802581ea0a5
308 308  
478 +[[image:image-20220602162157-11.png||height="497" width="800"]]
309 309  
310 310  
311 311  
312 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
482 +(% style="color:blue" %)**4. Check to see if TTN received the message**
313 313  
484 +[[image:image-20220602162331-12.png||height="420" width="800"]]
314 314  
315 315  
316 -(((
317 -(% 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]]**
318 -)))
319 319  
488 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
320 320  
321 -[[image:image-20220602103227-6.png]]
322 322  
491 +**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]]
323 323  
324 -[[image:image-20220602103357-7.png]]
493 +(**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]])
325 325  
495 +(% style="color:red" %)**Preconditions:**
326 326  
497 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
327 327  
328 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
329 -(% style="color:blue" %)**2.  Select the COM port corresponding to USB TTL**
499 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
330 330  
331 331  
332 -[[image:image-20220602103844-8.png]]
333 333  
503 +(% style="color:blue" %)**Steps for usage:**
334 334  
505 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
335 335  
336 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
337 -(% style="color:blue" %)**3.  Select the bin file to burn**
507 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
338 338  
509 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
339 339  
340 -[[image:image-20220602104144-9.png]]
341 341  
342 342  
343 -[[image:image-20220602104251-10.png]]
513 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
344 344  
345 345  
346 -[[image:image-20220602104402-11.png]]
516 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
347 347  
348 348  
519 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
349 349  
350 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
351 -(% style="color:blue" %)**4.  Click to start the download**
521 +[[image:image-20220723100439-2.png]]
352 352  
353 353  
354 -[[image:image-20220602104923-13.png]]
355 355  
525 +(% style="color:blue" %)**2. Install Minicom in RPi.**
356 356  
527 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
357 357  
358 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
359 -(% style="color:blue" %)**5.  Check update process**
529 + (% style="background-color:yellow" %)**apt update**
360 360  
531 + (% style="background-color:yellow" %)**apt install minicom**
361 361  
362 -[[image:image-20220602104948-14.png]]
363 363  
534 +Use minicom to connect to the RPI's terminal
364 364  
536 +[[image:image-20220602153146-3.png||height="439" width="500"]]
365 365  
366 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
367 -(% style="color:blue" %)**The following picture shows that the burning is successful**
368 368  
369 369  
370 -[[image:image-20220602105251-15.png]]
540 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
371 371  
542 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
372 372  
373 373  
374 -= 2.  FAQ =
545 +[[image:image-20220602154928-5.png||height="436" width="500"]]
375 375  
376 376  
377 -== 2.1  How to Compile Source Code for LA66? ==
378 378  
549 +(% style="color:blue" %)**4. Send Uplink message**
379 379  
380 -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]]
551 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
381 381  
553 +example: AT+SENDB=01,02,8,05820802581ea0a5
382 382  
383 -== 2.2 Where to find Peer-to-Peer firmware of LA66? ==
384 384  
556 +[[image:image-20220602160339-6.png||height="517" width="600"]]
385 385  
386 -* [[Instruction for LA66 Peer to Peer firmware>>Instruction for LA66 Peer to Peer firmware]].
387 387  
388 -= 3.  Order Info =
389 389  
560 +Check to see if TTN received the message
390 390  
391 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
562 +[[image:image-20220602160627-7.png||height="369" width="800"]]
392 392  
393 393  
565 +
566 +== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
567 +
568 +
569 +=== 3.8.1 DRAGINO-LA66-APP ===
570 +
571 +
572 +[[image:image-20220723102027-3.png]]
573 +
574 +
575 +
576 +==== (% style="color:blue" %)**Overview：**(%%) ====
577 +
578 +
579 +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.
580 +
581 +View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
582 +
583 +
584 +
585 +==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
586 +
587 +
588 +Requires a type-c to USB adapter
589 +
590 +[[image:image-20220723104754-4.png]]
591 +
592 +
593 +
594 +==== (% style="color:blue" %)**Use of APP:**(%%) ====
595 +
596 +
597 +Function and page introduction
598 +
599 +[[image:image-20220723113448-7.png||height="1481" width="670"]]
600 +
601 +1.Display LA66 USB LoRaWAN Module connection status
602 +
603 +2.Check and reconnect
604 +
605 +3.Turn send timestamps on or off
606 +
607 +4.Display LoRaWan connection status
608 +
609 +5.Check LoRaWan connection status
610 +
611 +6.The RSSI value of the node when the ACK is received
612 +
613 +7.Node's Signal Strength Icon
614 +
615 +8.Set the packet sending interval of the node in seconds
616 +
617 +9.AT command input box
618 +
619 +10.Send AT command button
620 +
621 +11.Node log box
622 +
623 +12.clear log button
624 +
625 +13.exit button
626 +
627 +
628 +LA66 USB LoRaWAN Module not connected
629 +
630 +[[image:image-20220723110520-5.png||height="903" width="677"]]
631 +
632 +
633 +
634 +Connect LA66 USB LoRaWAN Module
635 +
636 +[[image:image-20220723110626-6.png||height="906" width="680"]]
637 +
638 +
639 +
640 +=== 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 ===
641 +
642 +
643 +**1.  Register LA66 USB LoRaWAN Module to TTNV3**
644 +
645 +[[image:image-20220723134549-8.png]]
646 +
647 +
648 +
649 +**2.  Open Node-RED,And import the JSON file to generate the flow**
650 +
651 +Sample JSON file please go to this link to download：放置JSON文件的链接
652 +
653 +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/]]
654 +
655 +The following is the positioning effect map
656 +
657 +[[image:image-20220723144339-1.png]]
658 +
659 +
660 +
661 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
662 +
663 +
664 +The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
665 +
666 +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)
667 +
668 +[[image:image-20220723150132-2.png]]
669 +
670 +
671 +
672 += 4.  Order Info =
673 +
674 +
675 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
676 +
677 +
394 394  (% style="color:blue" %)**XXX**(%%): The default frequency band
395 395  
396 396  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
... ... @@ -404,9 +404,7 @@
404 404  * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
405 405  
406 406  
407 -= 4.  Reference =
691 += 5.  Reference =
408 408  
409 409  
410 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
411 -
412 -
694 +* 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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