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Last modified by Xiaoling on 2025/02/07 16:37
From version 182.1
edited by Xiaoling
on 2025/02/07 16:37
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To version 130.1
edited by Herong Lu
on 2022/07/23 17:39
Change comment: Uploaded new attachment "image-20220723173950-11.png", version {1}

Summary

Details

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Title
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1 -LA66 USB LoRaWAN Adapter 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  
... ... @@ -6,25 +6,34 @@
6 6  
7 7  
8 8  
9 += 1.  LA66 LoRaWAN Module =
9 9  
10 10  
11 -= 1.  LA66 USB LoRaWAN Adapter =
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 -[[image:image-20220715001142-3.png||height="194" width="294"]][[image:image-20240101111030-2.png]]
20 +(((
21 +
22 +)))
17 17  
18 -
19 19  (((
20 -(% 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.
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.
21 21  )))
27 +)))
22 22  
23 23  (((
30 +(((
24 24  (% 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.
25 25  )))
33 +)))
26 26  
27 27  (((
36 +(((
28 28  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
29 29  )))
30 30  
... ... @@ -31,34 +31,35 @@
31 31  (((
32 32  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.
33 33  )))
43 +)))
34 34  
35 35  (((
46 +(((
36 36  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
37 37  )))
49 +)))
38 38  
39 39  
52 +
40 40  == 1.2  Features ==
41 41  
42 -
43 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
44 -* Ultra-long RF range
45 -* Support LoRaWAN v1.0.3 protocol
55 +* Support LoRaWAN v1.0.4 protocol
46 46  * Support peer-to-peer protocol
47 47  * TCXO crystal to ensure RF performance on low temperature
48 -* Spring RF antenna
58 +* SMD Antenna pad and i-pex antenna connector
49 49  * Available in different frequency LoRaWAN frequency bands.
50 50  * World-wide unique OTAA keys.
51 51  * AT Command via UART-TTL interface
52 52  * Firmware upgradable via UART interface
53 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
63 +* Ultra-long RF range
54 54  
55 55  == 1.3  Specification ==
56 56  
57 -
58 58  * CPU: 32-bit 48 MHz
59 59  * Flash: 256KB
60 60  * RAM: 64KB
61 -* Input Power Range: 5v
70 +* Input Power Range: 1.8v ~~ 3.7v
71 +* Power Consumption: < 4uA.
62 62  * Frequency Range: 150 MHz ~~ 960 MHz
63 63  * Maximum Power +22 dBm constant RF output
64 64  * High sensitivity: -148 dBm
... ... @@ -70,455 +70,552 @@
70 70  ** Operating: 10 ~~ 95% (Non-Condensing)
71 71  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
72 72  * LoRa Rx current: <9 mA
83 +* I/O Voltage: 3.3v
73 73  
74 -== 1.4  Pin Mapping & LED ==
85 +== 1.4  AT Command ==
75 75  
76 76  
77 -[[image:image-20220813183239-3.png||height="526" width="662"]]
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.
78 78  
79 79  
80 -== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
81 81  
92 +== 1.5  Dimension ==
82 82  
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 +
83 83  (((
84 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
117 +[[image:image-20220715000826-2.png||height="145" width="220"]]
85 85  )))
86 86  
87 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
120 +(((
121 +
122 +)))
88 88  
89 -[[image:image-20220723100027-1.png]]
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 +)))
90 90  
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 +)))
91 91  
92 -Open the serial port tool
134 +(((
135 +(((
136 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
137 +)))
138 +)))
93 93  
94 -[[image:image-20220602161617-8.png]]
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 +)))
95 95  
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 +)))
96 96  
97 -[[image:image-20220602161718-9.png||height="457" width="800"]]
98 98  
99 99  
100 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66_V1 USB LoRaWAN Adapter to reset it.（You do not need to reset the LA66 V2 USB LoRaWAN Adapter.）**
154 +== 2.2  Features ==
101 101  
102 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
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
103 103  
104 -[[image:image-20220602161935-10.png||height="498" width="800"]]
167 +== 2.3  Specification ==
105 105  
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
106 106  
107 -(% style="color:blue" %)**3. See Uplink Command**
187 +== 2.4  LED ==
108 108  
109 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
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
110 110  
111 -example: AT+SENDB=01,02,8,05820802581ea0a5
112 112  
113 -[[image:image-20220602162157-11.png||height="497" width="800"]]
194 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
114 114  
196 +Show connection diagram：
115 115  
116 -(% style="color:blue" %)**5.  Check to see if TTN received the message**
198 +[[image:image-20220723170210-2.png||height="908" width="681"]]
117 117  
118 -[[image:image-20220817093644-1.png]]
200 +1.open Arduino IDE
119 119  
202 +[[image:image-20220723170545-4.png]]
120 120  
121 -== 1.6  Example: How to join helium ==
204 +2.Open project
122 122  
206 +[[image:image-20220723170750-5.png]]
123 123  
124 -(% style="color:blue" %)**1.  Create a new device.**
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
125 125  
126 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907165500-1.png?width=940&height=464&rev=1.1||alt="image-20220907165500-1.png"]]
210 +[[image:image-20220723171228-6.png]]
127 127  
212 +4.After the upload is successful, open the serial port monitoring and send the AT command
128 128  
129 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
130 130  
131 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907165837-2.png?width=809&height=375&rev=1.1||alt="image-20220907165837-2.png" height="375" width="809"]]
215 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
132 132  
133 133  
134 -(% style="color:blue" %)**3.  Use AT commands.**
135 135  
136 -[[image:image-20220909151441-1.jpeg||height="695" width="521"]]
219 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
137 137  
138 138  
139 -(% style="color:blue" %)**4.  Use the serial port tool**
140 140  
141 -[[image:image-20220909151517-2.png||height="543" width="708"]]
223 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
142 142  
143 143  
144 -(% style="color:blue" %)**5.  Use command AT+CFG to get device configuration**
226 +=== 2.8.1  Items needed for update ===
145 145  
146 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170308-3.png?width=617&height=556&rev=1.1||alt="image-20220907170308-3.png" height="556" width="617"]]
228 +1. LA66 LoRaWAN Shield
229 +1. Arduino
230 +1. USB TO TTL Adapter
147 147  
232 +[[image:image-20220602100052-2.png||height="385" width="600"]]
148 148  
149 -(% style="color:blue" %)**6.  Network successfully.**
150 150  
151 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170436-4.png?rev=1.1||alt="image-20220907170436-4.png"]]
235 +=== 2.8.2  Connection ===
152 152  
153 153  
154 -(% style="color:blue" %)**7.  Send uplink using command**
238 +[[image:image-20220602101311-3.png||height="276" width="600"]]
155 155  
156 -[[image:image-20220912085244-1.png]]
157 157  
158 -[[image:image-20220912085307-2.png]]
241 +(((
242 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
243 +)))
159 159  
245 +(((
246 +(% style="background-color:yellow" %)**GND  <-> GND
247 +TXD  <->  TXD
248 +RXD  <->  RXD**
249 +)))
160 160  
161 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170744-6.png?width=798&height=242&rev=1.1||alt="image-20220907170744-6.png" height="242" width="798"]]
162 162  
252 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
163 163  
164 -== 1.7  Example: Send PC's CPU/RAM usage to TTN via python ==
254 +Connect USB TTL Adapter to PC after connecting the wires
165 165  
166 166  
167 -**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]]
257 +[[image:image-20220602102240-4.png||height="304" width="600"]]
168 168  
169 -(**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]])
170 170  
260 +=== 2.8.3  Upgrade steps ===
171 171  
172 -(% style="color:red" %)**Preconditions:**
173 173  
174 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
263 +==== 1.  Switch SW1 to put in ISP position ====
175 175  
176 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
177 177  
266 +[[image:image-20220602102824-5.png||height="306" width="600"]]
178 178  
179 -(% style="color:blue" %)**Steps for usage:**
180 180  
181 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
182 182  
183 -(% style="color:blue" %)**2.**(%%) Add [[decoder>>https://github.com/dragino/dragino-end-node-decoder/tree/main/LA66%20USB]] on TTN
270 +==== 2.  Press the RST switch once ====
184 184  
185 -(% style="color:blue" %)**3.**(%%) Run the python script in PC and see the TTN
186 186  
273 +[[image:image-20220602104701-12.png||height="285" width="600"]]
187 187  
188 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
189 189  
190 190  
191 -== 1.8  Example: Send & Get Messages via LoRaWAN in RPi ==
277 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
192 192  
193 193  
194 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
280 +(((
281 +(% 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/]]**
282 +)))
195 195  
196 -(% style="color:blue" %)**1.  Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
197 197  
198 -[[image:image-20220723100439-2.png]]
285 +[[image:image-20220602103227-6.png]]
199 199  
200 200  
201 -(% style="color:blue" %)**2.  Install Minicom in RPi.**
288 +[[image:image-20220602103357-7.png]]
202 202  
203 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
204 204  
205 - (% style="background-color:yellow" %)**apt update**
206 206  
207 - (% style="background-color:yellow" %)**apt install minicom**
292 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
293 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
208 208  
209 -Use minicom to connect to the RPI's terminal
210 210  
211 -[[image:image-20220602153146-3.png||height="439" width="500"]]
296 +[[image:image-20220602103844-8.png]]
212 212  
213 213  
214 -(% style="color:blue" %)**3.  Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
215 215  
216 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
300 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
301 +(% style="color:blue" %)**3. Select the bin file to burn**
217 217  
218 -[[image:image-20220602154928-5.png||height="436" width="500"]]
219 219  
304 +[[image:image-20220602104144-9.png]]
220 220  
221 -(% style="color:blue" %)**4.  Send Uplink message**
222 222  
223 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
307 +[[image:image-20220602104251-10.png]]
224 224  
225 -example: AT+SENDB=01,02,8,05820802581ea0a5
226 226  
227 -[[image:image-20220602160339-6.png||height="517" width="600"]]
310 +[[image:image-20220602104402-11.png]]
228 228  
229 229  
230 -Check to see if TTN received the message
231 231  
314 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
315 +(% style="color:blue" %)**4. Click to start the download**
232 232  
233 -[[image:image-20220602160627-7.png||height="369" width="800"]]
317 +[[image:image-20220602104923-13.png]]
234 234  
235 235  
236 -== 1.9  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
237 237  
238 -=== 1.9.1  Hardware and Software Connection ===
321 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
322 +(% style="color:blue" %)**5. Check update process**
239 239  
240 240  
241 -(% class="wikigeneratedid" id="HOverviewFF1A" %)
242 -(% style="color:blue" %)**Overview：**
325 +[[image:image-20220602104948-14.png]]
243 243  
244 -(((
245 -DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
246 246  
247 -* Send real-time location information of mobile phone to LoRaWAN network.
248 -* Check LoRaWAN network signal strengh.
249 -* Manually send messages to LoRaWAN network.
250 -)))
251 251  
329 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
330 +(% style="color:blue" %)**The following picture shows that the burning is successful**
252 252  
332 +[[image:image-20220602105251-15.png]]
253 253  
254 -(% class="wikigeneratedid" id="HHardwareConnection:" %)
255 -(% style="color:blue" %)**Hardware Connection:**
256 256  
257 -A USB to Type-C adapter is needed to connect to a Mobile phone.
258 258  
259 -(% style="color:red" %)**Note: The package of LA66 USB adapter already includes this USB Type-C adapter.**
336 += 3.  LA66 USB LoRaWAN Adapter =
260 260  
261 -[[image:image-20220813174353-2.png||height="360" width="313"]]
262 262  
339 +== 3.1  Overview ==
263 263  
264 -(% class="wikigeneratedid" id="HDownloadandInstallApp:" %)
265 -(% style="color:blue" %)**Download and Install App:**
266 266  
267 -[[(% 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)
342 +[[image:image-20220715001142-3.png||height="145" width="220"]]
268 268  
269 -[[image:image-20220813173738-1.png]]
270 270  
345 +(((
346 +(% 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.
347 +)))
271 271  
272 -(% class="wikigeneratedid" id="HUseofAPP:" %)
273 -(% style="color:blue" %)**Use of APP:**
349 +(((
350 +(% 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.
351 +)))
274 274  
275 -Function and page introduction:
353 +(((
354 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
355 +)))
276 276  
277 -[[image:image-20220723113448-7.png||height="911" width="412"]]
357 +(((
358 +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.
359 +)))
278 278  
361 +(((
362 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
363 +)))
279 279  
280 -(% style="color:blue" %)**Block Explain:**
281 281  
282 -1.  Display LA66 USB LoRaWAN Module connection status
283 283  
284 -2.  Check and reconnect
367 +== 3.2  Features ==
285 285  
286 -3.  Turn send timestamps on or off
369 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
370 +* Ultra-long RF range
371 +* Support LoRaWAN v1.0.4 protocol
372 +* Support peer-to-peer protocol
373 +* TCXO crystal to ensure RF performance on low temperature
374 +* Spring RF antenna
375 +* Available in different frequency LoRaWAN frequency bands.
376 +* World-wide unique OTAA keys.
377 +* AT Command via UART-TTL interface
378 +* Firmware upgradable via UART interface
379 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
287 287  
288 -4.  Display LoRaWan connection status
381 +== 3.3  Specification ==
289 289  
290 -5.  Check LoRaWan connection status
383 +* CPU: 32-bit 48 MHz
384 +* Flash: 256KB
385 +* RAM: 64KB
386 +* Input Power Range: 5v
387 +* Frequency Range: 150 MHz ~~ 960 MHz
388 +* Maximum Power +22 dBm constant RF output
389 +* High sensitivity: -148 dBm
390 +* Temperature:
391 +** Storage: -55 ~~ +125℃
392 +** Operating: -40 ~~ +85℃
393 +* Humidity:
394 +** Storage: 5 ~~ 95% (Non-Condensing)
395 +** Operating: 10 ~~ 95% (Non-Condensing)
396 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
397 +* LoRa Rx current: <9 mA
291 291  
292 -6.  The RSSI value of the node when the ACK is received
399 +== 3.4  Pin Mapping & LED ==
293 293  
294 -7.  Node's Signal Strength Icon
295 295  
296 -8.  Configure Location Uplink Interval
297 297  
298 -9.  AT command input box
403 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
299 299  
300 -10.  Send Button:  Send input box info to LA66 USB Adapter
301 301  
302 -11.  Output Log from LA66 USB adapter
406 +(((
407 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
408 +)))
303 303  
304 -12.  clear log button
305 305  
306 -13.  exit button
411 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
307 307  
308 308  
309 -LA66 USB LoRaWAN Module not connected:
414 +[[image:image-20220723100027-1.png]]
310 310  
311 -[[image:image-20220723110520-5.png||height="677" width="508"]]
312 312  
417 +Open the serial port tool
313 313  
314 -Connect LA66 USB LoRaWAN Module:
419 +[[image:image-20220602161617-8.png]]
315 315  
316 -[[image:image-20220723110626-6.png||height="681" width="511"]]
421 +[[image:image-20220602161718-9.png||height="457" width="800"]]
317 317  
318 318  
319 -=== 1.9.2  Send data to TTNv3 and plot location info in Node-Red ===
320 320  
425 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
321 321  
322 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
427 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
323 323  
324 -[[image:image-20220723134549-8.png]]
325 325  
430 +[[image:image-20220602161935-10.png||height="498" width="800"]]
326 326  
327 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
328 328  
329 329  
330 -Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
434 +(% style="color:blue" %)**3. See Uplink Command**
331 331  
332 -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/]]
436 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
333 333  
334 -After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
438 +example: AT+SENDB=01,02,8,05820802581ea0a5
335 335  
336 -LA66~-~-node-red~-~-decoder:[[dragino-end-node-decoder/Node-RED at main · dragino/dragino-end-node-decoder · GitHub>>url:https://github.com/dragino/dragino-end-node-decoder/tree/main/Node-RED]]
440 +[[image:image-20220602162157-11.png||height="497" width="800"]]
337 337  
338 338  
339 -Example output in NodeRed is as below:
340 340  
341 -[[image:image-20220723144339-1.png]]
444 +(% style="color:blue" %)**4. Check to see if TTN received the message**
342 342  
446 +[[image:image-20220602162331-12.png||height="420" width="800"]]
343 343  
344 -== 1.10  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
345 345  
346 -=== 1.10.1 Update method: For LA66 with bootloader ===
347 347  
450 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
348 348  
349 -* We ship the LA66 USB LoRaWAN Adapter with a boot loader by default, and the latest boot loader is V1.4. Users can download the new version of the boot loader by clicking on this [[link>>https://www.dropbox.com/scl/fo/ztlw35a9xbkomu71u31im/AFhmjtEOaipfBAFrpMCoWrI/LoRaWAN%20End%20Node/LA66%20LoRaWAN%20module/Firmware/OTA_Firmware?dl=0&rlkey=ojjcsw927eaow01dgooldq3nu&subfolder_nav_tracking=1]].
350 350  
351 -[[image:image-20250122110039-1.png||height="335" width="816"]]
453 +**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]]
352 352  
353 -(% style="color:red" %)**Note: Upgrading the boot loader requires using the upgrade method described in section 1.10.2.**
455 +(**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]])
354 354  
457 +(% style="color:red" %)**Preconditions:**
355 355  
356 -* For the bootloader V1.4, compared to V1.3, his role is to support OTA configuration for T68DL (D let Gino product model).
459 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
357 357  
358 -So if your LA66 doesn't need this feature, you can also just follow the below to upgrade the firmware instead of the bootloader:
461 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
359 359  
360 -**Firmware download (Please select withbootloader version):**
361 361  
362 -[[Firmware - Dropbox>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AABJQUWNgt61Z567OcUf-sIya/LA66%20LoRaWAN%20module/Firmware?dl=0&subfolder_nav_tracking=1]]
363 363  
465 +(% style="color:blue" %)**Steps for usage:**
364 364  
365 -**Firmware update method:**
467 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
366 366  
367 -Please refer to this link
469 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
368 368  
369 -[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H3.2.1UpdateafirmwareviaDraginoSensorManagerUtility.exe>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H3.2.1UpdateafirmwareviaDraginoSensorManagerUtility.exe]]
471 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
370 370  
371 371  
372 -=== 1.10.2 Update method: For LA66 without bootloader ===
373 373  
475 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
374 374  
375 -* Explanation:
376 376  
377 -For LA66 without a bootloader, we can only burn a bootloader for it in the following way. Because using OTA_Tool to upgrade the firmware of LA66 this address is (% style="color:blue" %)**0x0800D000**(%%) by default, but our bootloader needs to be burned at address .
478 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
378 378  
379 -Therefore, you can use this method to download the firmware with the boot loader directly or upgrade your boot loader (address from (% style="color:blue" %)**0x08000000**(%%)).
380 380  
381 -**Firmware download（Download firmware with bootloader）:**
481 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
382 382  
383 -[[Firmware - Dropbox>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AABJQUWNgt61Z567OcUf-sIya/LA66%20LoRaWAN%20module/Firmware?dl=0&subfolder_nav_tracking=1]]
483 +[[image:image-20220723100439-2.png]]
384 384  
385 -[[image:image-20250122111651-2.png||height="243" width="682"]]
386 386  
387 387  
388 -* Upgrade Details:
487 +(% style="color:blue" %)**2. Install Minicom in RPi.**
389 389  
390 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method.
489 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
391 391  
392 -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).
491 + (% style="background-color:yellow" %)**apt update**
393 393  
394 -(% style="color:red" %)**Notice: If upgrade via USB hub is not sucessful. try to connect to PC directly.**
493 + (% style="background-color:yellow" %)**apt install minicom**
395 395  
396 -[[image:image-20220723150132-2.png||height="514" width="506"]]
397 397  
496 +Use minicom to connect to the RPI's terminal
398 398  
399 -(% style="color:blue" %)**For the LA66 USB LoRaWAN Adapter v1.2, the hardware design has eliminated the reset button, so the first step we need to use the DuPont wire to connect the BOOT pin to the RX pin. Second, connect the LA66 USB LoRaWAN Adapter v1.2 to a USB hub or computer USB port so that it will enter burn mode. Then follow the steps below to burn the firmware.**
498 +[[image:image-20220602153146-3.png||height="439" width="500"]]
400 400  
401 -(% style="color:red" %)**Note: After the successful burning need to unplug the LA66 USB LoRaWAN Adapter v1.2, and then reconnect the computer interface, so that it will exit the burning mode.**
402 402  
403 -[[image:image-20240401171313-1.jpeg||height="521" width="792"]]
404 404  
502 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
405 405  
406 -(% class="wikigeneratedid" id="HOpentheUpgradetool28TremoProgrammer29inPCandUpgrade" %)
407 -(% style="color:blue" %)**Open the Upgrade tool (Tremo Programmer) in PC and Upgrade**
504 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
408 408  
409 -**1.  Software download link:  [[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>url:https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]**
410 410  
411 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602103227-6.png?rev=1.1||alt="image-20220602103227-6.png"]]
507 +[[image:image-20220602154928-5.png||height="436" width="500"]]
412 412  
413 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602103357-7.png?rev=1.1||alt="image-20220602103357-7.png" height="486" width="390"]]
414 414  
415 415  
416 -**2.  Select the COM port corresponding to USB TTL**
511 +(% style="color:blue" %)**4. Send Uplink message**
417 417  
418 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602103844-8.png?rev=1.1||alt="image-20220602103844-8.png" height="291" width="389"]]
513 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
419 419  
515 +example: AT+SENDB=01,02,8,05820802581ea0a5
420 420  
421 -**3.  Select the bin file to burn**
422 422  
423 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104144-9.png?rev=1.1||alt="image-20220602104144-9.png" height="318" width="405"]]
518 +[[image:image-20220602160339-6.png||height="517" width="600"]]
424 424  
425 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104251-10.png?rev=1.1||alt="image-20220602104251-10.png" height="330" width="579"]]
426 426  
427 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104402-11.png?rev=1.1||alt="image-20220602104402-11.png" height="290" width="372"]]
428 428  
522 +Check to see if TTN received the message
429 429  
430 -**4.  Click to start the download**
524 +[[image:image-20220602160627-7.png||height="369" width="800"]]
431 431  
432 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104923-13.png?rev=1.1||alt="image-20220602104923-13.png" height="462" width="372"]]
433 433  
434 434  
435 -**5.  Check update process**
528 +== 3.8  Example: Use of LA66 USB LoRaWAN Module and DRAGINO-LA66-APP. ==
436 436  
437 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104948-14.png?rev=1.1||alt="image-20220602104948-14.png" height="483" width="386"]]
530 +=== 3.8.1 DRAGINO-LA66-APP ===
438 438  
532 +[[image:image-20220723102027-3.png]]
439 439  
440 -**The following picture shows that the burning is successful**
534 +==== Overview： ====
441 441  
442 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602105251-15.png?rev=1.1||alt="image-20220602105251-15.png" height="513" width="406"]]
536 +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.
443 443  
538 +View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
444 444  
445 -= 2.  FAQ =
540 +==== Conditions of Use： ====
446 446  
447 -== 2.1  How to Compile Source Code for LA66? ==
542 +Requires a type-c to USB adapter
448 448  
544 +[[image:image-20220723104754-4.png]]
449 449  
450 -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]]
546 +==== Use of APP: ====
451 451  
548 +Function and page introduction
452 452  
453 -== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
550 +[[image:image-20220723113448-7.png||height="1481" width="670"]]
454 454  
552 +1.Display LA66 USB LoRaWAN Module connection status
455 455  
456 -Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.Instruction for LA66 Peer to Peer firmware.WebHome]]
554 +2.Check and reconnect
457 457  
556 +3.Turn send timestamps on or off
458 458  
459 -== 2.3 My device keeps showing invalid credentials, the device goes into low power mode ==
558 +4.Display LoRaWan connection status
460 460  
560 +5.Check LoRaWan connection status
461 461  
462 -Set the AT+COMMAND: (% style="color:blue" %)**AT+UUID=666666666666**
562 +6.The RSSI value of the node when the ACK is received
463 463  
564 +7.Node's Signal Strength Icon
464 464  
465 -== 2.4 How to use external antenna via ipex connector? ==
566 +8.Set the packet sending interval of the node in seconds
466 466  
568 +9.AT command input box
467 467  
468 -You need to remove the spring antenna first, and also remove the resistor and capacitor.
469 -Connect external antenna.
570 +10.Send AT command button
470 470  
471 -[[image:image-20231129155939-1.png||height="529" width="397"]]
572 +11.Node log box
472 472  
574 +12.clear log button
473 473  
474 -= 3.  Order Info =
576 +13.exit button
475 475  
578 +LA66 USB LoRaWAN Module not connected
476 476  
477 -**Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
580 +[[image:image-20220723110520-5.png||height="903" width="677"]]
478 478  
479 -(% style="color:blue" %)**XXX**(%%): The default frequency band
582 +Connect LA66 USB LoRaWAN Module
480 480  
481 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
482 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
483 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
484 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
485 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
486 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
487 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
488 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
489 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
584 +[[image:image-20220723110626-6.png||height="906" width="680"]]
490 490  
491 -= 4.  Reference =
586 +=== 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 ===
492 492  
588 +1.Register LA66 USB LoRaWAN Module to TTNV3
493 493  
494 -* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
495 -* Mobile Phone App Source Code: [[Download>>https://github.com/dragino/LA66_Mobile_App]].
590 +[[image:image-20220723134549-8.png]]
496 496  
497 -= 5.  FCC Statement =
592 +2.Open Node-RED,And import the JSON file to generate the flow
498 498  
594 +Sample JSON file please go to this link to download：放置JSON文件的链接
499 499  
500 -(% style="color:red" %)**FCC Caution:**
596 +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/]]
501 501  
502 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
598 +The following is the positioning effect map
503 503  
504 -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.
600 +[[image:image-20220723144339-1.png]]
505 505  
602 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
506 506  
507 -(% style="color:red" %)**IMPORTANT NOTE: **
604 +The LA66 USB LoRaWAN Module is the same as the LA66 LoRaWAN Shield update method
508 508  
509 -(% 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:
606 +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)
510 510  
511 -—Reorient or relocate the receiving antenna.
608 +[[image:image-20220723150132-2.png]]
512 512  
513 -—Increase the separation between the equipment and receiver.
514 514  
515 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
611 += 4.  Order Info =
516 516  
517 -—Consult the dealer or an experienced radio/TV technician for help.
518 518  
614 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
519 519  
520 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
521 521  
522 -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.
617 +(% style="color:blue" %)**XXX**(%%): The default frequency band
523 523  
524 -
619 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
620 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
621 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
622 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
623 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
624 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
625 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
626 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
627 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
628 +
629 += 5.  Reference =
630 +
631 +* 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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