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Last modified by Xiaoling on 2025/02/07 16:37
From version 157.6
edited by Xiaoling
on 2022/10/10 11:40
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To version 134.8
edited by Xiaoling
on 2022/07/26 10:45
Change comment: There is no comment for this version

Summary

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Title
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1 -LA66 USB LoRaWAN Adapter User Manual
1 +LA66 LoRaWAN Module
Content
... ... @@ -6,26 +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 13  
14 -== 1.1  Overview ==
15 +(((
16 +(((
17 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 +)))
15 15  
20 +(((
21 +
22 +)))
16 16  
17 -[[image:image-20220715001142-3.png||height="145" width="220"]]
18 -
19 -
20 20  (((
21 -(% 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.
22 22  )))
27 +)))
23 23  
24 24  (((
30 +(((
25 25  (% 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.
26 26  )))
33 +)))
27 27  
28 28  (((
36 +(((
29 29  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
30 30  )))
31 31  
... ... @@ -32,37 +32,35 @@
32 32  (((
33 33  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.
34 34  )))
43 +)))
35 35  
36 36  (((
46 +(((
37 37  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
38 38  )))
49 +)))
39 39  
40 40  
41 41  
42 42  == 1.2  Features ==
43 43  
44 -
45 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
46 -* Ultra-long RF range
47 47  * Support LoRaWAN v1.0.4 protocol
48 48  * Support peer-to-peer protocol
49 49  * TCXO crystal to ensure RF performance on low temperature
50 -* Spring RF antenna
58 +* SMD Antenna pad and i-pex antenna connector
51 51  * Available in different frequency LoRaWAN frequency bands.
52 52  * World-wide unique OTAA keys.
53 53  * AT Command via UART-TTL interface
54 54  * Firmware upgradable via UART interface
55 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
63 +* Ultra-long RF range
56 56  
57 -
58 -
59 59  == 1.3  Specification ==
60 60  
61 -
62 62  * CPU: 32-bit 48 MHz
63 63  * Flash: 256KB
64 64  * RAM: 64KB
65 -* Input Power Range: 5v
70 +* Input Power Range: 1.8v ~~ 3.7v
71 +* Power Consumption: < 4uA.
66 66  * Frequency Range: 150 MHz ~~ 960 MHz
67 67  * Maximum Power +22 dBm constant RF output
68 68  * High sensitivity: -148 dBm
... ... @@ -74,419 +74,635 @@
74 74  ** Operating: 10 ~~ 95% (Non-Condensing)
75 75  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
76 76  * LoRa Rx current: <9 mA
83 +* I/O Voltage: 3.3v
77 77  
85 +== 1.4  AT Command ==
78 78  
79 79  
80 -== 1.4  Pin Mapping & LED ==
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.
81 81  
82 82  
83 -[[image:image-20220813183239-3.png||height="526" width="662"]]
84 84  
92 +== 1.5  Dimension ==
85 85  
94 +[[image:image-20220718094750-3.png]]
86 86  
87 -== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
88 88  
89 89  
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 +
90 90  (((
91 -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"]]
92 92  )))
93 93  
120 +(((
121 +
122 +)))
94 94  
95 -(% style="color:blue" %)**1.  Connect the LA66 USB LoRaWAN adapter to PC**
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 +)))
96 96  
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 +)))
97 97  
98 -[[image:image-20220723100027-1.png]]
134 +(((
135 +(((
136 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
137 +)))
138 +)))
99 99  
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 +)))
100 100  
101 -Open the serial port tool
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 +)))
102 102  
103 -[[image:image-20220602161617-8.png]]
104 104  
105 105  
106 -[[image:image-20220602161718-9.png||height="457" width="800"]]
154 +== 2.2  Features ==
107 107  
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
108 108  
167 +== 2.3  Specification ==
109 109  
110 -(% style="color:blue" %)**2.  Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
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
111 111  
187 +== 2.4  LED ==
112 112  
113 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
114 114  
190 +~1. The LED lights up red when there is an upstream data packet
191 +2. When the network is successfully connected, the green light will be on for 5 seconds
192 +3. Purple light on when receiving downlink data packets
115 115  
116 -[[image:image-20220602161935-10.png||height="498" width="800"]]
117 117  
118 118  
196 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
119 119  
120 -(% style="color:blue" %)**3.  See Uplink Command**
121 121  
199 +**Show connection diagram：**
122 122  
123 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
124 124  
125 -example: AT+SENDB=01,02,8,05820802581ea0a5
202 +[[image:image-20220723170210-2.png||height="908" width="681"]]
126 126  
127 -[[image:image-20220602162157-11.png||height="497" width="800"]]
128 128  
129 129  
206 +(% style="color:blue" %)**1.  open Arduino IDE**
130 130  
131 -(% style="color:blue" %)**4.  Check to see if TTN received the message**
132 132  
209 +[[image:image-20220723170545-4.png]]
133 133  
134 -[[image:image-20220817093644-1.png]]
135 135  
136 136  
213 +(% style="color:blue" %)**2.  Open project**
137 137  
138 -== 1.6  Example: How to join helium ==
139 139  
216 +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]]
140 140  
141 141  
142 -(% style="color:blue" %)**1.  Create a new device.**
143 143  
220 +(% 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**
144 144  
145 -[[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"]]
146 146  
147 147  
224 +(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
148 148  
149 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
150 150  
227 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
151 151  
152 -[[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"]]
153 153  
154 154  
231 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
155 155  
156 -(% style="color:blue" %)**3.  Use AT commands.**
157 157  
234 +(% style="color:blue" %)**1.  Open project**
158 158  
159 -[[image:image-20220909151441-1.jpeg||height="695" width="521"]]
160 160  
237 +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]]
161 161  
162 162  
163 -(% style="color:blue" %)**4.  Use the serial port tool**
240 +[[image:image-20220723172502-8.png]]
164 164  
165 165  
166 -[[image:image-20220909151517-2.png||height="543" width="708"]]
167 167  
244 +(% 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**
168 168  
169 169  
170 -(% style="color:blue" %)**5.  Use command AT+CFG to get device configuration**
247 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
171 171  
172 172  
173 -[[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"]]
174 174  
251 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
175 175  
176 176  
177 -(% style="color:blue" %)**6.  Network successfully.**
254 +(% style="color:blue" %)**1.  Open project**
178 178  
179 179  
180 -[[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"]]
257 +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]]
181 181  
182 182  
260 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
183 183  
184 -(% style="color:blue" %)**7.  Send uplink using command**
185 185  
186 186  
187 -[[image:image-20220912085244-1.png]]
264 +(% 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**
188 188  
189 189  
190 -[[image:image-20220912085307-2.png]]
267 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
191 191  
192 192  
193 193  
194 -[[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"]]
271 +(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
195 195  
273 +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/]]
196 196  
275 +[[image:image-20220723175700-12.png||height="602" width="995"]]
197 197  
198 -== 1.7  Example: Send PC's CPU/RAM usage to TTN via python ==
199 199  
200 200  
201 -**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]]
279 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
202 202  
203 -(**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]])
204 204  
282 +=== 2.8.1  Items needed for update ===
205 205  
206 -(% style="color:red" %)**Preconditions:**
207 207  
208 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
285 +1. LA66 LoRaWAN Shield
286 +1. Arduino
287 +1. USB TO TTL Adapter
209 209  
210 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
289 +[[image:image-20220602100052-2.png||height="385" width="600"]]
211 211  
212 212  
292 +=== 2.8.2  Connection ===
213 213  
214 -(% style="color:blue" %)**Steps for usage:**
215 215  
216 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
295 +[[image:image-20220602101311-3.png||height="276" width="600"]]
217 217  
218 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
219 219  
298 +(((
299 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
300 +)))
220 220  
221 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
302 +(((
303 +(% style="background-color:yellow" %)**GND  <-> GND
304 +TXD  <->  TXD
305 +RXD  <->  RXD**
306 +)))
222 222  
223 223  
309 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
224 224  
225 -== 1.8  Example: Send & Get Messages via LoRaWAN in RPi ==
311 +Connect USB TTL Adapter to PC after connecting the wires
226 226  
227 227  
228 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
314 +[[image:image-20220602102240-4.png||height="304" width="600"]]
229 229  
230 230  
231 -(% style="color:blue" %)**1.  Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
317 +=== 2.8.3  Upgrade steps ===
232 232  
233 233  
234 -[[image:image-20220723100439-2.png]]
320 +==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
235 235  
236 236  
323 +[[image:image-20220602102824-5.png||height="306" width="600"]]
237 237  
238 -(% style="color:blue" %)**2.  Install Minicom in RPi.**
239 239  
240 240  
241 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
327 +==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
242 242  
243 - (% style="background-color:yellow" %)**apt update**
244 244  
245 - (% style="background-color:yellow" %)**apt install minicom**
330 +[[image:image-20220602104701-12.png||height="285" width="600"]]
246 246  
247 247  
248 -Use minicom to connect to the RPI's terminal
249 249  
250 -[[image:image-20220602153146-3.png||height="439" width="500"]]
334 +==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
251 251  
252 252  
337 +(((
338 +(% 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/]]**
339 +)))
253 253  
254 -(% style="color:blue" %)**3.  Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
255 255  
342 +[[image:image-20220602103227-6.png]]
256 256  
257 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
258 258  
345 +[[image:image-20220602103357-7.png]]
259 259  
260 -[[image:image-20220602154928-5.png||height="436" width="500"]]
261 261  
262 262  
349 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
350 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
263 263  
264 -(% style="color:blue" %)**4.  Send Uplink message**
265 265  
353 +[[image:image-20220602103844-8.png]]
266 266  
267 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
268 268  
269 -example: AT+SENDB=01,02,8,05820802581ea0a5
270 270  
357 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
358 +(% style="color:blue" %)**3. Select the bin file to burn**
271 271  
272 -[[image:image-20220602160339-6.png||height="517" width="600"]]
273 273  
361 +[[image:image-20220602104144-9.png]]
274 274  
275 275  
276 -Check to see if TTN received the message
364 +[[image:image-20220602104251-10.png]]
277 277  
278 278  
279 -[[image:image-20220602160627-7.png||height="369" width="800"]]
367 +[[image:image-20220602104402-11.png]]
280 280  
281 281  
282 282  
283 -== 1.9  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
371 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
372 +(% style="color:blue" %)**4. Click to start the download**
284 284  
374 +[[image:image-20220602104923-13.png]]
285 285  
286 -=== 1.9.1  Hardware and Software Connection ===
287 287  
288 288  
378 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
379 +(% style="color:blue" %)**5. Check update process**
289 289  
290 -==== (% style="color:blue" %)**Overview：**(%%) ====
291 291  
382 +[[image:image-20220602104948-14.png]]
292 292  
384 +
385 +
386 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
387 +(% style="color:blue" %)**The following picture shows that the burning is successful**
388 +
389 +[[image:image-20220602105251-15.png]]
390 +
391 +
392 +
393 += 3.  LA66 USB LoRaWAN Adapter =
394 +
395 +
396 +== 3.1  Overview ==
397 +
398 +
399 +[[image:image-20220715001142-3.png||height="145" width="220"]]
400 +
401 +
293 293  (((
294 -DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
403 +(% 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.
404 +)))
295 295  
296 -* Send real-time location information of mobile phone to LoRaWAN network.
297 -* Check LoRaWAN network signal strengh.
298 -* Manually send messages to LoRaWAN network.
406 +(((
407 +(% 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.
299 299  )))
300 300  
410 +(((
411 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
412 +)))
301 301  
414 +(((
415 +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.
416 +)))
302 302  
418 +(((
419 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
420 +)))
303 303  
304 304  
305 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
306 306  
424 +== 3.2  Features ==
307 307  
308 -A USB to Type-C adapter is needed to connect to a Mobile phone.
426 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
427 +* Ultra-long RF range
428 +* Support LoRaWAN v1.0.4 protocol
429 +* Support peer-to-peer protocol
430 +* TCXO crystal to ensure RF performance on low temperature
431 +* Spring RF antenna
432 +* Available in different frequency LoRaWAN frequency bands.
433 +* World-wide unique OTAA keys.
434 +* AT Command via UART-TTL interface
435 +* Firmware upgradable via UART interface
436 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
309 309  
310 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
438 +== 3.3  Specification ==
311 311  
312 -[[image:image-20220813174353-2.png||height="360" width="313"]]
440 +* CPU: 32-bit 48 MHz
441 +* Flash: 256KB
442 +* RAM: 64KB
443 +* Input Power Range: 5v
444 +* Frequency Range: 150 MHz ~~ 960 MHz
445 +* Maximum Power +22 dBm constant RF output
446 +* High sensitivity: -148 dBm
447 +* Temperature:
448 +** Storage: -55 ~~ +125℃
449 +** Operating: -40 ~~ +85℃
450 +* Humidity:
451 +** Storage: 5 ~~ 95% (Non-Condensing)
452 +** Operating: 10 ~~ 95% (Non-Condensing)
453 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
454 +* LoRa Rx current: <9 mA
313 313  
456 +== 3.4  Pin Mapping & LED ==
314 314  
315 315  
316 316  
317 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
460 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
318 318  
319 319  
320 -[[(% 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)
463 +(((
464 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
465 +)))
321 321  
322 322  
323 -[[image:image-20220813173738-1.png]]
468 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
324 324  
325 325  
471 +[[image:image-20220723100027-1.png]]
326 326  
327 327  
328 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
474 +Open the serial port tool
329 329  
476 +[[image:image-20220602161617-8.png]]
330 330  
331 -Function and page introduction
478 +[[image:image-20220602161718-9.png||height="457" width="800"]]
332 332  
333 333  
334 -[[image:image-20220723113448-7.png||height="995" width="450"]]
335 335  
482 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
336 336  
337 -**Block Explain:**
484 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
338 338  
339 -1.  Display LA66 USB LoRaWAN Module connection status
340 340  
341 -2.  Check and reconnect
487 +[[image:image-20220602161935-10.png||height="498" width="800"]]
342 342  
343 -3.  Turn send timestamps on or off
344 344  
345 -4.  Display LoRaWan connection status
346 346  
347 -5.  Check LoRaWan connection status
491 +(% style="color:blue" %)**3. See Uplink Command**
348 348  
349 -6.  The RSSI value of the node when the ACK is received
493 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
350 350  
351 -7.  Node's Signal Strength Icon
495 +example: AT+SENDB=01,02,8,05820802581ea0a5
352 352  
353 -8.  Configure Location Uplink Interval
497 +[[image:image-20220602162157-11.png||height="497" width="800"]]
354 354  
355 -9.  AT command input box
356 356  
357 -10.  Send Button:  Send input box info to LA66 USB Adapter
358 358  
359 -11.  Output Log from LA66 USB adapter
501 +(% style="color:blue" %)**4. Check to see if TTN received the message**
360 360  
361 -12.  clear log button
503 +[[image:image-20220602162331-12.png||height="420" width="800"]]
362 362  
363 -13.  exit button
364 364  
365 365  
507 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
366 366  
367 -LA66 USB LoRaWAN Module not connected
368 368  
510 +**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]]
369 369  
370 -[[image:image-20220723110520-5.png||height="677" width="508"]]
512 +(**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]])
371 371  
514 +(% style="color:red" %)**Preconditions:**
372 372  
516 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
373 373  
374 -Connect LA66 USB LoRaWAN Module
518 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
375 375  
376 376  
377 -[[image:image-20220723110626-6.png||height="681" width="511"]]
378 378  
522 +(% style="color:blue" %)**Steps for usage:**
379 379  
524 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
380 380  
526 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
381 381  
382 -=== 1.9.2  Send data to TTNv3 and plot location info in Node-Red ===
528 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
383 383  
384 384  
385 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
386 386  
532 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
387 387  
388 -[[image:image-20220723134549-8.png]]
389 389  
535 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
390 390  
391 391  
392 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
538 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
393 393  
540 +[[image:image-20220723100439-2.png]]
394 394  
395 -Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
396 396  
397 -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/]]
398 398  
399 -After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
544 +(% style="color:blue" %)**2. Install Minicom in RPi.**
400 400  
401 -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]]
546 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
402 402  
548 + (% style="background-color:yellow" %)**apt update**
403 403  
404 -Example output in NodeRed is as below:
550 + (% style="background-color:yellow" %)**apt install minicom**
405 405  
406 -[[image:image-20220723144339-1.png]]
407 407  
553 +Use minicom to connect to the RPI's terminal
408 408  
555 +[[image:image-20220602153146-3.png||height="439" width="500"]]
409 409  
410 -== 1.10  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
411 411  
412 412  
413 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method.
559 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
414 414  
415 -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).
561 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
416 416  
417 417  
418 -[[image:image-20220723150132-2.png]]
564 +[[image:image-20220602154928-5.png||height="436" width="500"]]
419 419  
420 420  
421 421  
422 -= 2.  FAQ =
568 +(% style="color:blue" %)**4. Send Uplink message**
423 423  
570 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
424 424  
425 -== 2.1  How to Compile Source Code for LA66? ==
572 +example: AT+SENDB=01,02,8,05820802581ea0a5
426 426  
427 427  
428 -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]]
575 +[[image:image-20220602160339-6.png||height="517" width="600"]]
429 429  
430 430  
431 431  
432 -== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
579 +Check to see if TTN received the message
433 433  
581 +[[image:image-20220602160627-7.png||height="369" width="800"]]
434 434  
435 -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]]
436 436  
437 437  
585 +== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
438 438  
439 -= 3.  Order Info =
440 440  
588 +=== 3.8.1 DRAGINO-LA66-APP ===
441 441  
442 -**Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
443 443  
591 +[[image:image-20220723102027-3.png]]
444 444  
445 -(% style="color:blue" %)**XXX**(%%): The default frequency band
446 446  
447 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
448 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
449 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
450 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
451 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
452 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
453 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
454 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
455 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
456 456  
595 +==== (% style="color:blue" %)**Overview：**(%%) ====
457 457  
458 458  
459 -= 4.  Reference =
598 +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.
460 460  
600 +View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
461 461  
462 -* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
463 -* Mobile Phone App Source Code: [[Download>>https://github.com/dragino/LA66_Mobile_App]].
464 464  
465 465  
604 +==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
466 466  
467 -= 5.  FCC Statement =
468 468  
607 +Requires a type-c to USB adapter
469 469  
470 -(% style="color:red" %)**FCC Caution:**
609 +[[image:image-20220723104754-4.png]]
471 471  
472 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
473 473  
474 -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.
475 475  
613 +==== (% style="color:blue" %)**Use of APP:**(%%) ====
476 476  
477 -(% style="color:red" %)**IMPORTANT NOTE: **
478 478  
479 -(% 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:
616 +Function and page introduction
480 480  
481 -—Reorient or relocate the receiving antenna.
618 +[[image:image-20220723113448-7.png||height="1481" width="670"]]
482 482  
483 -—Increase the separation between the equipment and receiver.
620 +1.Display LA66 USB LoRaWAN Module connection status
484 484  
485 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
622 +2.Check and reconnect
486 486  
487 -—Consult the dealer or an experienced radio/TV technician for help.
624 +3.Turn send timestamps on or off
488 488  
626 +4.Display LoRaWan connection status
489 489  
490 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
628 +5.Check LoRaWan connection status
491 491  
492 -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.
630 +6.The RSSI value of the node when the ACK is received
631 +
632 +7.Node's Signal Strength Icon
633 +
634 +8.Set the packet sending interval of the node in seconds
635 +
636 +9.AT command input box
637 +
638 +10.Send AT command button
639 +
640 +11.Node log box
641 +
642 +12.clear log button
643 +
644 +13.exit button
645 +
646 +
647 +LA66 USB LoRaWAN Module not connected
648 +
649 +[[image:image-20220723110520-5.png||height="903" width="677"]]
650 +
651 +
652 +
653 +Connect LA66 USB LoRaWAN Module
654 +
655 +[[image:image-20220723110626-6.png||height="906" width="680"]]
656 +
657 +
658 +
659 +=== 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 ===
660 +
661 +
662 +(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
663 +
664 +[[image:image-20220723134549-8.png]]
665 +
666 +
667 +
668 +(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
669 +
670 +Sample JSON file please go to this link to download：放置JSON文件的链接
671 +
672 +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/]]
673 +
674 +The following is the positioning effect map
675 +
676 +[[image:image-20220723144339-1.png]]
677 +
678 +
679 +
680 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
681 +
682 +
683 +The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
684 +
685 +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)
686 +
687 +[[image:image-20220723150132-2.png]]
688 +
689 +
690 +
691 += 4.  Order Info =
692 +
693 +
694 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
695 +
696 +
697 +(% style="color:blue" %)**XXX**(%%): The default frequency band
698 +
699 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
700 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
701 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
702 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
703 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
704 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
705 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
706 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
707 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
708 +
709 +
710 +
711 += 5.  Reference =
712 +
713 +
714 +* 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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