Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 146.6 >
edited by Xiaoling
on 2022/08/16 14:18
To version < 133.1 >
edited by Herong Lu
on 2022/07/23 17:57
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Title
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1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Author
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1 -XWiki.Xiaoling
1 +XWiki.Lu
Content
... ... @@ -1,4 +1,4 @@
1 -
1 +0
2 2  
3 3  **Table of Contents:**
4 4  
... ... @@ -6,15 +6,15 @@
6 6  
7 7  
8 8  
9 += 1.  LA66 LoRaWAN Module =
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
11 11  
12 +== 1.1  What is LA66 LoRaWAN Module ==
12 12  
13 -== 1.1  Overview ==
14 14  
15 -
16 16  (((
17 -[[image:image-20220715000826-2.png||height="145" width="220"]]
16 +(((
17 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 18  )))
19 19  
20 20  (((
... ... @@ -22,12 +22,13 @@
22 22  )))
23 23  
24 24  (((
25 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to  Arduino projects.
25 +(% style="color:blue" %)**Dragino LA66**(%%) is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere.
26 26  )))
27 +)))
27 27  
28 28  (((
29 29  (((
30 -(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely.  This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
31 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
31 31  )))
32 32  )))
33 33  
... ... @@ -35,10 +35,8 @@
35 35  (((
36 36  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 37  )))
38 -)))
39 39  
40 40  (((
41 -(((
42 42  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.
43 43  )))
44 44  )))
... ... @@ -53,12 +53,10 @@
53 53  
54 54  == 1.2  Features ==
55 55  
56 -
57 -* Arduino Shield base on LA66 LoRaWAN module
58 58  * 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 -* SMA connector
58 +* SMD Antenna pad and i-pex antenna connector
62 62  * Available in different frequency LoRaWAN frequency bands.
63 63  * World-wide unique OTAA keys.
64 64  * AT Command via UART-TTL interface
... ... @@ -65,12 +65,8 @@
65 65  * Firmware upgradable via UART interface
66 66  * Ultra-long RF range
67 67  
68 -
69 -
70 -
71 71  == 1.3  Specification ==
72 72  
73 -
74 74  * CPU: 32-bit 48 MHz
75 75  * Flash: 256KB
76 76  * RAM: 64KB
... ... @@ -89,111 +89,169 @@
89 89  * LoRa Rx current: <9 mA
90 90  * I/O Voltage: 3.3v
91 91  
85 +== 1.4  AT Command ==
92 92  
93 93  
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.
94 94  
95 -== 1.4  Pin Mapping & LED ==
96 96  
97 97  
98 -[[image:image-20220814101457-1.png||height="553" width="761"]]
92 +== 1.5  Dimension ==
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
94 +[[image:image-20220718094750-3.png]]
103 103  
104 104  
105 105  
106 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
98 +== 1.6  Pin Mapping ==
107 107  
100 +[[image:image-20220720111850-1.png]]
108 108  
109 -**Show connection diagram：**
110 110  
111 111  
112 -[[image:image-20220723170210-2.png||height="908" width="681"]]
104 +== 1.7  Land Pattern ==
113 113  
106 +[[image:image-20220517072821-2.png]]
114 114  
115 115  
116 -(% style="color:blue" %)**1.  open Arduino IDE**
117 117  
110 += 2.  LA66 LoRaWAN Shield =
118 118  
119 -[[image:image-20220723170545-4.png]]
120 120  
113 +== 2.1  Overview ==
121 121  
122 122  
123 -(% style="color:blue" %)**2.  Open project**
116 +(((
117 +[[image:image-20220715000826-2.png||height="145" width="220"]]
118 +)))
124 124  
120 +(((
121 +
122 +)))
125 125  
126 -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]]
124 +(((
125 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to  Arduino projects.
126 +)))
127 127  
128 -[[image:image-20220726135239-1.png]]
128 +(((
129 +(((
130 +(% 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.
131 +)))
132 +)))
129 129  
134 +(((
135 +(((
136 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
137 +)))
138 +)))
130 130  
131 -(% 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**
140 +(((
141 +(((
142 +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.
143 +)))
144 +)))
132 132  
133 -[[image:image-20220726135356-2.png]]
146 +(((
147 +(((
148 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
149 +)))
150 +)))
134 134  
135 135  
136 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
137 137  
154 +== 2.2  Features ==
138 138  
139 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
156 +* Arduino Shield base on LA66 LoRaWAN module
157 +* Support LoRaWAN v1.0.4 protocol
158 +* Support peer-to-peer protocol
159 +* TCXO crystal to ensure RF performance on low temperature
160 +* SMA connector
161 +* Available in different frequency LoRaWAN frequency bands.
162 +* World-wide unique OTAA keys.
163 +* AT Command via UART-TTL interface
164 +* Firmware upgradable via UART interface
165 +* Ultra-long RF range
140 140  
167 +== 2.3  Specification ==
141 141  
169 +* CPU: 32-bit 48 MHz
170 +* Flash: 256KB
171 +* RAM: 64KB
172 +* Input Power Range: 1.8v ~~ 3.7v
173 +* Power Consumption: < 4uA.
174 +* Frequency Range: 150 MHz ~~ 960 MHz
175 +* Maximum Power +22 dBm constant RF output
176 +* High sensitivity: -148 dBm
177 +* Temperature:
178 +** Storage: -55 ~~ +125℃
179 +** Operating: -40 ~~ +85℃
180 +* Humidity:
181 +** Storage: 5 ~~ 95% (Non-Condensing)
182 +** Operating: 10 ~~ 95% (Non-Condensing)
183 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
184 +* LoRa Rx current: <9 mA
185 +* I/O Voltage: 3.3v
142 142  
143 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
187 +== 2.4  LED ==
144 144  
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
145 145  
146 -(% style="color:blue" %)**1.  Open project**
147 147  
194 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
148 148  
149 -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]]
196 +Show connection diagram：
150 150  
198 +[[image:image-20220723170210-2.png||height="908" width="681"]]
151 151  
152 -[[image:image-20220723172502-8.png]]
200 +1.open Arduino IDE
153 153  
202 +[[image:image-20220723170545-4.png]]
154 154  
204 +2.Open project
155 155  
156 -(% 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**
206 +[[image:image-20220723170750-5.png||height="533" width="930"]]
157 157  
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
158 158  
159 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
210 +[[image:image-20220723171228-6.png]]
160 160  
212 +4.After the upload is successful, open the serial port monitoring and send the AT command
161 161  
214 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
162 162  
163 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
216 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
164 164  
218 +1.Open project
165 165  
166 -(% style="color:blue" %)**1.  Open project**
220 +[[image:image-20220723172502-8.png]]
167 167  
222 +2.Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
168 168  
169 -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]]
224 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
170 170  
171 171  
172 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
227 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
173 173  
229 +1.Open project
174 174  
231 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
175 175  
176 -(% 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**
233 +2.Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
177 177  
178 -
179 179  [[image:image-20220723173950-11.png||height="665" width="1012"]]
180 180  
237 +3.Integration into Node-red via TTNV3
181 181  
182 -
183 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
184 -
185 185  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/]]
186 186  
187 187  [[image:image-20220723175700-12.png||height="602" width="995"]]
188 188  
243 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
189 189  
190 190  
191 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
246 +=== 2.8.1  Items needed for update ===
192 192  
193 -
194 -=== 1.8.1  Items needed for update ===
195 -
196 -
197 197  1. LA66 LoRaWAN Shield
198 198  1. Arduino
199 199  1. USB TO TTL Adapter
... ... @@ -201,10 +201,9 @@
201 201  [[image:image-20220602100052-2.png||height="385" width="600"]]
202 202  
203 203  
255 +=== 2.8.2  Connection ===
204 204  
205 -=== 1.8.2  Connection ===
206 206  
207 -
208 208  [[image:image-20220602101311-3.png||height="276" width="600"]]
209 209  
210 210  
... ... @@ -227,11 +227,10 @@
227 227  [[image:image-20220602102240-4.png||height="304" width="600"]]
228 228  
229 229  
230 -
231 231  === 2.8.3  Upgrade steps ===
232 232  
233 233  
234 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
283 +==== 1.  Switch SW1 to put in ISP position ====
235 235  
236 236  
237 237  [[image:image-20220602102824-5.png||height="306" width="600"]]
... ... @@ -238,7 +238,7 @@
238 238  
239 239  
240 240  
241 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
290 +==== 2.  Press the RST switch once ====
242 242  
243 243  
244 244  [[image:image-20220602104701-12.png||height="285" width="600"]]
... ... @@ -245,7 +245,7 @@
245 245  
246 246  
247 247  
248 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
297 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
249 249  
250 250  
251 251  (((
... ... @@ -337,7 +337,6 @@
337 337  
338 338  == 3.2  Features ==
339 339  
340 -
341 341  * LoRaWAN USB adapter base on LA66 LoRaWAN module
342 342  * Ultra-long RF range
343 343  * Support LoRaWAN v1.0.4 protocol
... ... @@ -352,7 +352,6 @@
352 352  
353 353  == 3.3  Specification ==
354 354  
355 -
356 356  * CPU: 32-bit 48 MHz
357 357  * Flash: 256KB
358 358  * RAM: 64KB
... ... @@ -371,7 +371,6 @@
371 371  
372 372  == 3.4  Pin Mapping & LED ==
373 373  
374 -[[image:image-20220813183239-3.png||height="526" width="662"]]
375 375  
376 376  
377 377  == 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
... ... @@ -499,136 +499,92 @@
499 499  
500 500  
501 501  
502 -== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
548 +== 3.8  Example: Use of LA66 USB LoRaWAN Module and DRAGINO-LA66-APP. ==
503 503  
550 +=== 3.8.1 DRAGINO-LA66-APP ===
504 504  
505 -=== 3.8.1  Hardware and Software Connection ===
552 +[[image:image-20220723102027-3.png]]
506 506  
554 +==== Overview： ====
507 507  
508 -==== (% style="color:blue" %)**Overview：**(%%) ====
556 +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.
509 509  
558 +View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
510 510  
511 -(((
512 -DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
560 +==== Conditions of Use： ====
513 513  
514 -* Send real-time location information of mobile phone to LoRaWAN network.
515 -* Check LoRaWAN network signal strengh.
516 -* Manually send messages to LoRaWAN network.
517 -)))
562 +Requires a type-c to USB adapter
518 518  
564 +[[image:image-20220723104754-4.png]]
519 519  
566 +==== Use of APP: ====
520 520  
521 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
522 -
523 -A USB to Type-C adapter is needed to connect to a Mobile phone.
524 -
525 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
526 -
527 -[[image:image-20220813174353-2.png||height="360" width="313"]]
528 -
529 -
530 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
531 -
532 -[[(% id="cke_bm_895007S" style="display:none" %)** **(%%)**Download Link for Android apk **>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]].  (Android Version Only)
533 -
534 -[[image:image-20220813173738-1.png]]
535 -
536 -
537 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
538 -
539 539  Function and page introduction
540 540  
541 -[[image:image-20220723113448-7.png||height="995" width="450"]]
570 +[[image:image-20220723113448-7.png||height="1481" width="670"]]
542 542  
543 -**Block Explain:**
572 +1.Display LA66 USB LoRaWAN Module connection status
544 544  
545 -1.  Display LA66 USB LoRaWAN Module connection status
574 +2.Check and reconnect
546 546  
547 -2.  Check and reconnect
576 +3.Turn send timestamps on or off
548 548  
549 -3.  Turn send timestamps on or off
578 +4.Display LoRaWan connection status
550 550  
551 -4.  Display LoRaWan connection status
580 +5.Check LoRaWan connection status
552 552  
553 -5.  Check LoRaWan connection status
582 +6.The RSSI value of the node when the ACK is received
554 554  
555 -6.  The RSSI value of the node when the ACK is received
584 +7.Node's Signal Strength Icon
556 556  
557 -7.  Node's Signal Strength Icon
586 +8.Set the packet sending interval of the node in seconds
558 558  
559 -8.  Configure Location Uplink Interval
588 +9.AT command input box
560 560  
561 -9.  AT command input box
590 +10.Send AT command button
562 562  
563 -10.  Send Button:  Send input box info to LA66 USB Adapter
592 +11.Node log box
564 564  
565 -11.  Output Log from LA66 USB adapter
594 +12.clear log button
566 566  
567 -12.  clear log button
596 +13.exit button
568 568  
569 -13.  exit button
570 -
571 -
572 572  LA66 USB LoRaWAN Module not connected
573 573  
574 -[[image:image-20220723110520-5.png||height="677" width="508"]]
600 +[[image:image-20220723110520-5.png||height="903" width="677"]]
575 575  
576 -
577 -
578 578  Connect LA66 USB LoRaWAN Module
579 579  
580 -[[image:image-20220723110626-6.png||height="681" width="511"]]
604 +[[image:image-20220723110626-6.png||height="906" width="680"]]
581 581  
606 +=== 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 ===
582 582  
608 +1.Register LA66 USB LoRaWAN Module to TTNV3
583 583  
584 -=== 3.8.2 Send data to TTNv3 and plot location info in Node-Red ===
585 -
586 -
587 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
588 -
589 589  [[image:image-20220723134549-8.png]]
590 590  
612 +2.Open Node-RED,And import the JSON file to generate the flow
591 591  
614 +Sample JSON file please go to this link to download：放置JSON文件的链接
592 592  
593 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
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/]]
594 594  
595 -Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
618 +The following is the positioning effect map
596 596  
597 -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/]]
598 -
599 -After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
600 -
601 -
602 -Example output in NodeRed is as below:
603 -
604 604  [[image:image-20220723144339-1.png]]
605 605  
606 -
607 -
608 608  == 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
609 609  
624 +The LA66 USB LoRaWAN Module is the same as the LA66 LoRaWAN Shield update method
610 610  
611 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
612 -
613 613  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)
614 614  
615 615  [[image:image-20220723150132-2.png]]
616 616  
617 617  
631 += 4.  Order Info =
618 618  
619 -= 4.  FAQ =
620 620  
621 -
622 -== 4.1  How to Compile Source Code for LA66? ==
623 -
624 -
625 -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]]
626 -
627 -
628 -
629 -= 5.  Order Info =
630 -
631 -
632 632  **Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
633 633  
634 634  
... ... @@ -644,7 +644,6 @@
644 644  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
645 645  * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
646 646  
647 -= 6.  Reference =
649 += 5.  Reference =
648 648  
649 -
650 650  * 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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