Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 166.2 >
edited by Xiaoling
on 2022/11/14 11:41
To version < 132.1 >
edited by Herong Lu
on 2022/07/23 17:57
>
Change comment: Uploaded new attachment "image-20220723175700-12.png", version {1}

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
... ... @@ -65,11 +65,8 @@
65 65  * Firmware upgradable via UART interface
66 66  * Ultra-long RF range
67 67  
167 +== 2.3  Specification ==
68 68  
69 -
70 -== 1.3  Specification ==
71 -
72 -
73 73  * CPU: 32-bit 48 MHz
74 74  * Flash: 256KB
75 75  * RAM: 64KB
... ... @@ -88,357 +88,463 @@
88 88  * LoRa Rx current: <9 mA
89 89  * I/O Voltage: 3.3v
90 90  
187 +== 2.4  LED ==
91 91  
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 -== 1.4  Pin Mapping & LED ==
94 94  
194 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
95 95  
96 -[[image:image-20220817085048-1.png||height="533" width="734"]]
196 +Show connection diagram：
97 97  
198 +[[image:image-20220723170210-2.png||height="908" width="681"]]
98 98  
200 +1.open Arduino IDE
99 99  
100 -~1. The LED lights up red when there is an upstream data packet
101 -2. When the network is successfully connected, the green light will be on for 5 seconds
102 -3. Purple light on when receiving downlink data packets
202 +[[image:image-20220723170545-4.png]]
103 103  
204 +2.Open project
104 104  
105 -[[image:image-20220820112305-1.png||height="515" width="749"]]
206 +[[image:image-20220723170750-5.png||height="533" width="930"]]
106 106  
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
107 107  
210 +[[image:image-20220723171228-6.png]]
108 108  
109 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
212 +4.After the upload is successful, open the serial port monitoring and send the AT command
110 110  
214 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
111 111  
112 -**Show connection diagram：**
216 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
113 113  
218 +1.Open project
114 114  
115 -[[image:image-20220723170210-2.png||height="908" width="681"]]
220 +[[image:image-20220723172502-8.png]]
116 116  
222 +2.Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
117 117  
224 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
118 118  
119 -(% style="color:blue" %)**1.  open Arduino IDE**
120 120  
227 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
121 121  
122 -[[image:image-20220723170545-4.png]]
229 +1.Open project
123 123  
231 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
124 124  
233 +2.Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
125 125  
126 -(% style="color:blue" %)**2.  Open project**
235 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
127 127  
128 128  
129 -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]]
238 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
130 130  
131 -[[image:image-20220726135239-1.png]]
132 132  
241 +=== 2.8.1  Items needed for update ===
133 133  
243 +1. LA66 LoRaWAN Shield
244 +1. Arduino
245 +1. USB TO TTL Adapter
134 134  
135 -(% 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**
247 +[[image:image-20220602100052-2.png||height="385" width="600"]]
136 136  
137 137  
138 -[[image:image-20220726135356-2.png]]
250 +=== 2.8.2  Connection ===
139 139  
140 140  
253 +[[image:image-20220602101311-3.png||height="276" width="600"]]
141 141  
142 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
143 143  
256 +(((
257 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
258 +)))
144 144  
145 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
260 +(((
261 +(% style="background-color:yellow" %)**GND  <-> GND
262 +TXD  <->  TXD
263 +RXD  <->  RXD**
264 +)))
146 146  
147 147  
267 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
148 148  
149 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
269 +Connect USB TTL Adapter to PC after connecting the wires
150 150  
151 151  
152 -(% style="color:blue" %)**1.  Open project**
272 +[[image:image-20220602102240-4.png||height="304" width="600"]]
153 153  
154 154  
155 -Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0 >>https://www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0]]
275 +=== 2.8.3  Upgrade steps ===
156 156  
157 157  
158 -[[image:image-20220723172502-8.png]]
278 +==== 1.  Switch SW1 to put in ISP position ====
159 159  
160 160  
281 +[[image:image-20220602102824-5.png||height="306" width="600"]]
161 161  
162 -(% 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**
163 163  
164 164  
165 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
285 +==== 2.  Press the RST switch once ====
166 166  
167 167  
288 +[[image:image-20220602104701-12.png||height="285" width="600"]]
168 168  
169 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
170 170  
171 171  
172 -(% style="color:blue" %)**1.  Open project**
292 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
173 173  
174 174  
175 -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]]
295 +(((
296 +(% 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/]]**
297 +)))
176 176  
177 177  
178 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
300 +[[image:image-20220602103227-6.png]]
179 179  
180 180  
303 +[[image:image-20220602103357-7.png]]
181 181  
182 -(% 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**
183 183  
184 184  
185 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
307 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
308 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
186 186  
187 187  
311 +[[image:image-20220602103844-8.png]]
188 188  
189 189  
190 190  
191 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
315 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
316 +(% style="color:blue" %)**3. Select the bin file to burn**
192 192  
193 193  
194 -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/]]
319 +[[image:image-20220602104144-9.png]]
195 195  
196 196  
197 -[[image:image-20220723175700-12.png||height="602" width="995"]]
322 +[[image:image-20220602104251-10.png]]
198 198  
199 199  
325 +[[image:image-20220602104402-11.png]]
200 200  
201 -== 1.8  Example: How to join helium ==
202 202  
203 203  
204 -(% style="color:blue" %)**1.  Create a new device.**
329 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
330 +(% style="color:blue" %)**4. Click to start the download**
205 205  
332 +[[image:image-20220602104923-13.png]]
206 206  
207 -[[image:image-20220907165500-1.png||height="464" width="940"]]
208 208  
209 209  
336 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
337 +(% style="color:blue" %)**5. Check update process**
210 210  
211 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
212 212  
340 +[[image:image-20220602104948-14.png]]
213 213  
214 -[[image:image-20220907165837-2.png||height="375" width="809"]]
215 215  
216 216  
344 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
345 +(% style="color:blue" %)**The following picture shows that the burning is successful**
217 217  
218 -(% style="color:blue" %)**3.  Use AT commands.**
347 +[[image:image-20220602105251-15.png]]
219 219  
220 220  
221 -[[image:image-20220602100052-2.png||height="385" width="600"]]
222 222  
351 += 3.  LA66 USB LoRaWAN Adapter =
223 223  
224 224  
225 -(% style="color:#0000ff" %)**4.  Use command AT+CFG to get device configuration**
354 +== 3.1  Overview ==
226 226  
227 227  
228 -[[image:image-20220907170308-3.png||height="556" width="617"]]
357 +[[image:image-20220715001142-3.png||height="145" width="220"]]
229 229  
230 230  
360 +(((
361 +(% 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.
362 +)))
231 231  
232 -(% style="color:blue" %)**5.  Network successfully.**
364 +(((
365 +(% 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.
366 +)))
233 233  
368 +(((
369 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
370 +)))
234 234  
235 -[[image:image-20220907170436-4.png]]
372 +(((
373 +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.
374 +)))
236 236  
376 +(((
377 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
378 +)))
237 237  
238 238  
239 -(% style="color:blue" %)**6.  Send uplink using command**
240 240  
382 +== 3.2  Features ==
241 241  
242 -[[image:image-20220912084334-1.png]]
384 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
385 +* Ultra-long RF range
386 +* Support LoRaWAN v1.0.4 protocol
387 +* Support peer-to-peer protocol
388 +* TCXO crystal to ensure RF performance on low temperature
389 +* Spring RF antenna
390 +* Available in different frequency LoRaWAN frequency bands.
391 +* World-wide unique OTAA keys.
392 +* AT Command via UART-TTL interface
393 +* Firmware upgradable via UART interface
394 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
243 243  
396 +== 3.3  Specification ==
244 244  
245 -[[image:image-20220912084412-3.png]]
398 +* CPU: 32-bit 48 MHz
399 +* Flash: 256KB
400 +* RAM: 64KB
401 +* Input Power Range: 5v
402 +* Frequency Range: 150 MHz ~~ 960 MHz
403 +* Maximum Power +22 dBm constant RF output
404 +* High sensitivity: -148 dBm
405 +* Temperature:
406 +** Storage: -55 ~~ +125℃
407 +** Operating: -40 ~~ +85℃
408 +* Humidity:
409 +** Storage: 5 ~~ 95% (Non-Condensing)
410 +** Operating: 10 ~~ 95% (Non-Condensing)
411 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
412 +* LoRa Rx current: <9 mA
246 246  
414 +== 3.4  Pin Mapping & LED ==
247 247  
248 248  
249 -[[image:image-20220907170744-6.png||height="242" width="798"]]
250 250  
418 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
251 251  
252 252  
253 -== 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
421 +(((
422 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
423 +)))
254 254  
255 255  
256 -=== 1.9.1  Items needed for update ===
426 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
257 257  
258 258  
259 -1. LA66 LoRaWAN Shield
260 -1. Arduino
261 -1. USB TO TTL Adapter
429 +[[image:image-20220723100027-1.png]]
262 262  
263 -[[image:image-20220602100052-2.png||height="385" width="600"]]
264 264  
432 +Open the serial port tool
265 265  
434 +[[image:image-20220602161617-8.png]]
266 266  
267 -=== 1.9.2  Connection ===
436 +[[image:image-20220602161718-9.png||height="457" width="800"]]
268 268  
269 269  
270 -[[image:image-20220602101311-3.png||height="276" width="600"]]
271 271  
440 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
272 272  
273 -(((
274 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
275 -)))
442 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
276 276  
277 -(((
278 -(% style="background-color:yellow" %)**GND  <-> GND
279 -TXD  <->  TXD
280 -RXD  <->  RXD**
281 -)))
282 282  
445 +[[image:image-20220602161935-10.png||height="498" width="800"]]
283 283  
284 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
285 285  
286 -Connect USB TTL Adapter to PC after connecting the wires
287 287  
449 +(% style="color:blue" %)**3. See Uplink Command**
288 288  
289 -[[image:image-20220602102240-4.png||height="304" width="600"]]
451 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
290 290  
453 +example: AT+SENDB=01,02,8,05820802581ea0a5
291 291  
455 +[[image:image-20220602162157-11.png||height="497" width="800"]]
292 292  
293 -=== 1.9.3  Upgrade steps ===
294 294  
295 295  
459 +(% style="color:blue" %)**4. Check to see if TTN received the message**
296 296  
297 -==== (% style="color:blue" %)**1.  Switch SW1 to put in ISP position**(%%) ====
461 +[[image:image-20220602162331-12.png||height="420" width="800"]]
298 298  
299 299  
300 -[[image:image-20220602102824-5.png||height="306" width="600"]]
301 301  
465 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
302 302  
303 303  
468 +**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]]
304 304  
305 -==== (% style="color:blue" %)**2.  Press the RST switch once**(%%) ====
470 +(**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]])
306 306  
472 +(% style="color:red" %)**Preconditions:**
307 307  
308 -[[image:image-20220817085447-1.png]]
474 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
309 309  
476 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
310 310  
311 311  
312 312  
313 -==== (% style="color:blue" %)**3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade**(%%) ====
480 +(% style="color:blue" %)**Steps for usage:**
314 314  
482 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
315 315  
484 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
316 316  
317 -(((
318 -(% 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]]**
319 -)))
486 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
320 320  
321 321  
322 -[[image:image-20220602103227-6.png]]
323 323  
490 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
324 324  
325 -[[image:image-20220602103357-7.png]]
326 326  
493 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
327 327  
328 328  
329 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
330 -(% style="color:blue" %)**2.  Select the COM port corresponding to USB TTL**
496 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
331 331  
498 +[[image:image-20220723100439-2.png]]
332 332  
333 -[[image:image-20220602103844-8.png]]
334 334  
335 335  
502 +(% style="color:blue" %)**2. Install Minicom in RPi.**
336 336  
337 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
338 -(% style="color:blue" %)**3.  Select the bin file to burn**
504 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
339 339  
506 + (% style="background-color:yellow" %)**apt update**
340 340  
341 -[[image:image-20220602104144-9.png]]
508 + (% style="background-color:yellow" %)**apt install minicom**
342 342  
343 343  
344 -[[image:image-20220602104251-10.png]]
511 +Use minicom to connect to the RPI's terminal
345 345  
513 +[[image:image-20220602153146-3.png||height="439" width="500"]]
346 346  
347 -[[image:image-20220602104402-11.png]]
348 348  
349 349  
517 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
350 350  
351 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
352 -(% style="color:blue" %)**4.  Click to start the download**
519 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
353 353  
354 354  
355 -[[image:image-20220602104923-13.png]]
522 +[[image:image-20220602154928-5.png||height="436" width="500"]]
356 356  
357 357  
358 358  
359 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
360 -(% style="color:blue" %)**5.  Check update process**
526 +(% style="color:blue" %)**4. Send Uplink message**
361 361  
528 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
362 362  
363 -[[image:image-20220602104948-14.png]]
530 +example: AT+SENDB=01,02,8,05820802581ea0a5
364 364  
365 365  
533 +[[image:image-20220602160339-6.png||height="517" width="600"]]
366 366  
367 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
368 -(% style="color:blue" %)**The following picture shows that the burning is successful**
369 369  
370 370  
371 -[[image:image-20220602105251-15.png]]
537 +Check to see if TTN received the message
372 372  
539 +[[image:image-20220602160627-7.png||height="369" width="800"]]
373 373  
374 374  
375 -= 2.  FAQ =
376 376  
543 +== 3.8  Example: Use of LA66 USB LoRaWAN Module and DRAGINO-LA66-APP. ==
377 377  
378 -== 2.1  How to Compile Source Code for LA66? ==
545 +=== 3.8.1 DRAGINO-LA66-APP ===
379 379  
547 +[[image:image-20220723102027-3.png]]
380 380  
381 -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]]
549 +==== Overview： ====
382 382  
551 +DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Module. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Module.
383 383  
553 +View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
384 384  
385 -== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
555 +==== Conditions of Use： ====
386 386  
557 +Requires a type-c to USB adapter
387 387  
388 -Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:.Instruction for LA66 Peer to Peer firmware.WebHome]]
559 +[[image:image-20220723104754-4.png]]
389 389  
561 +==== Use of APP: ====
390 390  
563 +Function and page introduction
391 391  
392 -= 3.  Order Info =
565 +[[image:image-20220723113448-7.png||height="1481" width="670"]]
393 393  
567 +1.Display LA66 USB LoRaWAN Module connection status
394 394  
395 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
569 +2.Check and reconnect
396 396  
571 +3.Turn send timestamps on or off
397 397  
398 -(% style="color:blue" %)**XXX**(%%): The default frequency band
573 +4.Display LoRaWan connection status
399 399  
400 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
401 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
402 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
403 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
404 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
405 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
406 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
407 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
408 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
575 +5.Check LoRaWan connection status
409 409  
577 +6.The RSSI value of the node when the ACK is received
410 410  
579 +7.Node's Signal Strength Icon
411 411  
412 -= 4.  Reference =
581 +8.Set the packet sending interval of the node in seconds
413 413  
583 +9.AT command input box
414 414  
415 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
585 +10.Send AT command button
416 416  
587 +11.Node log box
417 417  
589 +12.clear log button
418 418  
419 -= 5.  FCC Statement =
591 +13.exit button
420 420  
593 +LA66 USB LoRaWAN Module not connected
421 421  
422 -(% style="color:red" %)**FCC Caution:**
595 +[[image:image-20220723110520-5.png||height="903" width="677"]]
423 423  
424 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
597 +Connect LA66 USB LoRaWAN Module
425 425  
426 -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.
599 +[[image:image-20220723110626-6.png||height="906" width="680"]]
427 427  
601 +=== 3.8.2 Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Module and integrate it into Node-RED ===
428 428  
429 -(% style="color:red" %)**IMPORTANT NOTE: **
603 +1.Register LA66 USB LoRaWAN Module to TTNV3
430 430  
431 -(% 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:
605 +[[image:image-20220723134549-8.png]]
432 432  
433 -—Reorient or relocate the receiving antenna.
607 +2.Open Node-RED,And import the JSON file to generate the flow
434 434  
435 -—Increase the separation between the equipment and receiver.
609 +Sample JSON file please go to this link to download：放置JSON文件的链接
436 436  
437 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
611 +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/]]
438 438  
439 -—Consult the dealer or an experienced radio/TV technician for help.
613 +The following is the positioning effect map
440 440  
615 +[[image:image-20220723144339-1.png]]
441 441  
442 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
617 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
443 443  
444 -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. 
619 +The LA66 USB LoRaWAN Module is the same as the LA66 LoRaWAN Shield update method
620 +
621 +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)
622 +
623 +[[image:image-20220723150132-2.png]]
624 +
625 +
626 += 4.  Order Info =
627 +
628 +
629 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
630 +
631 +
632 +(% style="color:blue" %)**XXX**(%%): The default frequency band
633 +
634 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
635 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
636 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
637 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
638 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
639 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
640 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
641 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
642 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
643 +
644 += 5.  Reference =
645 +
646 +* 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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