Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 148.2 >
edited by Xiaoling
on 2022/08/17 08:54
To version < 134.4 >
edited by Xiaoling
on 2022/07/26 10:37
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Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Content
... ... @@ -6,14 +6,120 @@
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 +
66 +
67 +
68 +== 1.3  Specification ==
69 +
70 +* CPU: 32-bit 48 MHz
71 +* Flash: 256KB
72 +* RAM: 64KB
73 +* Input Power Range: 1.8v ~~ 3.7v
74 +* Power Consumption: < 4uA.
75 +* Frequency Range: 150 MHz ~~ 960 MHz
76 +* Maximum Power +22 dBm constant RF output
77 +* High sensitivity: -148 dBm
78 +* Temperature:
79 +** Storage: -55 ~~ +125℃
80 +** Operating: -40 ~~ +85℃
81 +* Humidity:
82 +** Storage: 5 ~~ 95% (Non-Condensing)
83 +** Operating: 10 ~~ 95% (Non-Condensing)
84 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
85 +* LoRa Rx current: <9 mA
86 +* I/O Voltage: 3.3v
87 +
88 +
89 +
90 +
91 +== 1.4  AT Command ==
92 +
93 +
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 +
96 +
97 +
98 +== 1.5  Dimension ==
99 +
100 +[[image:image-20220718094750-3.png]]
101 +
102 +
103 +
104 +== 1.6  Pin Mapping ==
105 +
106 +[[image:image-20220720111850-1.png]]
107 +
108 +
109 +
110 +== 1.7  Land Pattern ==
111 +
112 +[[image:image-20220517072821-2.png]]
113 +
114 +
115 +
116 += 2.  LA66 LoRaWAN Shield =
117 +
118 +
119 +== 2.1  Overview ==
120 +
121 +
122 +(((
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 ==
160 +== 2.2  Features ==
55 55  
56 -
57 57  * Arduino Shield base on LA66 LoRaWAN module
58 -* Support LoRaWAN v1.0.3 protocol
163 +* 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 ==
173 +== 2.3  Specification ==
69 69  
70 -
71 71  * CPU: 32-bit 48 MHz
72 72  * Flash: 256KB
73 73  * RAM: 64KB
... ... @@ -86,23 +86,16 @@
86 86  * LoRa Rx current: <9 mA
87 87  * I/O Voltage: 3.3v
88 88  
193 +== 2.4  LED ==
89 89  
90 -
91 -== 1.4  Pin Mapping & LED ==
92 -
93 -
94 -[[image:image-20220817085048-1.png]]
95 -
96 -
97 97  ~1. The LED lights up red when there is an upstream data packet
98 98  2. When the network is successfully connected, the green light will be on for 5 seconds
99 99  3. Purple light on when receiving downlink data packets
100 100  
101 101  
200 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
102 102  
103 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
104 104  
105 -
106 106  **Show connection diagram：**
107 107  
108 108  
... ... @@ -110,7 +110,7 @@
110 110  
111 111  
112 112  
113 -(% style="color:blue" %)**1.  open Arduino IDE**
210 +**1.  open Arduino IDE**
114 114  
115 115  
116 116  [[image:image-20220723170545-4.png]]
... ... @@ -117,40 +117,42 @@
117 117  
118 118  
119 119  
120 -(% style="color:blue" %)**2.  Open project**
217 +**2.  Open project**
121 121  
122 122  
123 -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]]
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]]
124 124  
125 -[[image:image-20220726135239-1.png]]
222 +[[image:image-20220723170750-5.png||height="533" width="930"]]
126 126  
127 127  
128 -(% 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**
129 129  
130 -[[image:image-20220726135356-2.png]]
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**
131 131  
132 132  
133 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
229 +[[image:image-20220723171228-6.png]]
134 134  
135 135  
136 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
137 137  
233 +**4.  After the upload is successful, open the serial port monitoring and send the AT command**
138 138  
139 139  
140 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
236 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
141 141  
142 142  
143 -(% style="color:blue" %)**1.  Open project**
144 144  
240 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
145 145  
146 -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]]
147 147  
243 +**1.  Open project**
148 148  
245 +
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]]
247 +
149 149  [[image:image-20220723172502-8.png]]
150 150  
151 151  
152 152  
153 -(% 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**
252 +2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
154 154  
155 155  
156 156  [[image:image-20220723172938-9.png||height="652" width="1050"]]
... ... @@ -157,13 +157,13 @@
157 157  
158 158  
159 159  
160 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
259 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
161 161  
162 162  
163 -(% style="color:blue" %)**1.  Open project**
262 +**1.  Open project**
164 164  
165 165  
166 -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]]
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]]
167 167  
168 168  
169 169  [[image:image-20220723173341-10.png||height="581" width="1014"]]
... ... @@ -170,7 +170,7 @@
170 170  
171 171  
172 172  
173 -(% 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**
272 +**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
174 174  
175 175  
176 176  [[image:image-20220723173950-11.png||height="665" width="1012"]]
... ... @@ -177,7 +177,7 @@
177 177  
178 178  
179 179  
180 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
279 +**3.  Integration into Node-red via TTNV3**
181 181  
182 182  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/]]
183 183  
... ... @@ -185,10 +185,10 @@
185 185  
186 186  
187 187  
188 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
287 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
189 189  
190 190  
191 -=== 1.8.1  Items needed for update ===
290 +=== 2.8.1  Items needed for update ===
192 192  
193 193  
194 194  1. LA66 LoRaWAN Shield
... ... @@ -198,10 +198,9 @@
198 198  [[image:image-20220602100052-2.png||height="385" width="600"]]
199 199  
200 200  
300 +=== 2.8.2  Connection ===
201 201  
202 -=== 1.8.2  Connection ===
203 203  
204 -
205 205  [[image:image-20220602101311-3.png||height="276" width="600"]]
206 206  
207 207  
... ... @@ -224,11 +224,9 @@
224 224  [[image:image-20220602102240-4.png||height="304" width="600"]]
225 225  
226 226  
325 +=== 2.8.3  Upgrade steps ===
227 227  
228 -=== 1.8.3  Upgrade steps ===
229 229  
230 -
231 -
232 232  ==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
233 233  
234 234  
... ... @@ -239,7 +239,7 @@
239 239  ==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
240 240  
241 241  
242 -[[image:image-20220817085447-1.png]]
338 +[[image:image-20220602104701-12.png||height="285" width="600"]]
243 243  
244 244  
245 245  
... ... @@ -302,22 +302,314 @@
302 302  
303 303  
304 304  
305 -= 2.  FAQ =
401 += 3.  LA66 USB LoRaWAN Adapter =
306 306  
307 307  
308 -== 2.1  How to Compile Source Code for LA66? ==
404 +== 3.1  Overview ==
309 309  
310 310  
311 -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]]
407 +[[image:image-20220715001142-3.png||height="145" width="220"]]
312 312  
313 313  
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 +)))
314 314  
315 -= 3.  Order Info =
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 +)))
316 316  
418 +(((
419 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
420 +)))
317 317  
318 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
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 +)))
319 319  
426 +(((
427 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
428 +)))
320 320  
430 +
431 +
432 +== 3.2  Features ==
433 +
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.
445 +
446 +
447 +
448 +== 3.3  Specification ==
449 +
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
465 +
466 +
467 +
468 +== 3.4  Pin Mapping & LED ==
469 +
470 +
471 +
472 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
473 +
474 +
475 +(((
476 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
477 +)))
478 +
479 +
480 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
481 +
482 +
483 +[[image:image-20220723100027-1.png]]
484 +
485 +
486 +Open the serial port tool
487 +
488 +[[image:image-20220602161617-8.png]]
489 +
490 +[[image:image-20220602161718-9.png||height="457" width="800"]]
491 +
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 +
321 321  (% style="color:blue" %)**XXX**(%%): The default frequency band
322 322  
323 323  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
... ... @@ -330,7 +330,8 @@
330 330  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
331 331  * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
332 332  
333 -= 4.  Reference =
334 334  
722 += 5.  Reference =
335 335  
336 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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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