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Last modified by Xiaoling on 2025/02/07 16:37
From version 161.1
edited by Bei Jinggeng
on 2023/06/09 18:08
Change comment: There is no comment for this version
To version 134.4
edited by Xiaoling
on 2022/07/26 10:37
Change comment: There is no comment for this version

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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.Bei
1 +XWiki.Xiaoling
Content
... ... @@ -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="145" width="220"]]
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 +31,38 @@
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 45  * 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 -== 1.3  Specification ==
56 56  
57 57  
67 +
68 +== 1.3  Specification ==
69 +
58 58  * CPU: 32-bit 48 MHz
59 59  * Flash: 256KB
60 60  * RAM: 64KB
61 -* Input Power Range: 5v
73 +* Input Power Range: 1.8v ~~ 3.7v
74 +* 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
... ... @@ -70,440 +70,643 @@
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
86 +* I/O Voltage: 3.3v
73 73  
74 -== 1.4  Pin Mapping & LED ==
75 75  
76 76  
77 -[[image:image-20220813183239-3.png||height="526" width="662"]]
78 78  
91 +== 1.4  AT Command ==
79 79  
80 -== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
81 81  
94 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
82 82  
96 +
97 +
98 +== 1.5  Dimension ==
99 +
100 +[[image:image-20220718094750-3.png]]
101 +
102 +
103 +
104 +== 1.6  Pin Mapping ==
105 +
106 +[[image:image-20220720111850-1.png]]
107 +
108 +
109 +
110 +== 1.7  Land Pattern ==
111 +
112 +[[image:image-20220517072821-2.png]]
113 +
114 +
115 +
116 += 2.  LA66 LoRaWAN Shield =
117 +
118 +
119 +== 2.1  Overview ==
120 +
121 +
83 83  (((
84 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
123 +[[image:image-20220715000826-2.png||height="145" width="220"]]
85 85  )))
86 86  
126 +(((
127 +
128 +)))
87 87  
88 -(% style="color:blue" %)**1.  Connect the LA66 USB LoRaWAN adapter to PC**
130 +(((
131 +(% 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.
132 +)))
89 89  
134 +(((
135 +(((
136 +(% 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.
137 +)))
138 +)))
90 90  
91 -[[image:image-20220723100027-1.png]]
140 +(((
141 +(((
142 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
143 +)))
144 +)))
92 92  
146 +(((
147 +(((
148 +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.
149 +)))
150 +)))
93 93  
94 -Open the serial port tool
152 +(((
153 +(((
154 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
155 +)))
156 +)))
95 95  
96 -[[image:image-20220602161617-8.png]]
97 97  
98 98  
99 -[[image:image-20220602161718-9.png||height="457" width="800"]]
160 +== 2.2  Features ==
100 100  
162 +* Arduino Shield base on LA66 LoRaWAN module
163 +* Support LoRaWAN v1.0.4 protocol
164 +* Support peer-to-peer protocol
165 +* TCXO crystal to ensure RF performance on low temperature
166 +* SMA connector
167 +* Available in different frequency LoRaWAN frequency bands.
168 +* World-wide unique OTAA keys.
169 +* AT Command via UART-TTL interface
170 +* Firmware upgradable via UART interface
171 +* Ultra-long RF range
101 101  
173 +== 2.3  Specification ==
102 102  
103 -(% style="color:blue" %)**2.  Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
175 +* CPU: 32-bit 48 MHz
176 +* Flash: 256KB
177 +* RAM: 64KB
178 +* Input Power Range: 1.8v ~~ 3.7v
179 +* Power Consumption: < 4uA.
180 +* Frequency Range: 150 MHz ~~ 960 MHz
181 +* Maximum Power +22 dBm constant RF output
182 +* High sensitivity: -148 dBm
183 +* Temperature:
184 +** Storage: -55 ~~ +125℃
185 +** Operating: -40 ~~ +85℃
186 +* Humidity:
187 +** Storage: 5 ~~ 95% (Non-Condensing)
188 +** Operating: 10 ~~ 95% (Non-Condensing)
189 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
190 +* LoRa Rx current: <9 mA
191 +* I/O Voltage: 3.3v
104 104  
193 +== 2.4  LED ==
105 105  
106 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
195 +~1. The LED lights up red when there is an upstream data packet
196 +2. When the network is successfully connected, the green light will be on for 5 seconds
197 +3. Purple light on when receiving downlink data packets
107 107  
108 108  
109 -[[image:image-20220602161935-10.png||height="498" width="800"]]
200 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
110 110  
111 111  
203 +**Show connection diagram：**
112 112  
113 -(% style="color:blue" %)**3.  See Uplink Command**
114 114  
206 +[[image:image-20220723170210-2.png||height="908" width="681"]]
115 115  
116 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
117 117  
118 -example: AT+SENDB=01,02,8,05820802581ea0a5
119 119  
120 -[[image:image-20220602162157-11.png||height="497" width="800"]]
210 +**1.  open Arduino IDE**
121 121  
122 122  
213 +[[image:image-20220723170545-4.png]]
123 123  
124 -(% style="color:blue" %)**4.  Check to see if TTN received the message**
125 125  
126 126  
127 -[[image:image-20220817093644-1.png]]
217 +**2.  Open project**
128 128  
129 129  
130 -== 1.6  Example: How to join helium ==
220 +LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
131 131  
222 +[[image:image-20220723170750-5.png||height="533" width="930"]]
132 132  
133 133  
134 -(% style="color:blue" %)**1.  Create a new device.**
135 135  
226 +**3.  Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload**
136 136  
137 -[[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"]]
138 138  
229 +[[image:image-20220723171228-6.png]]
139 139  
140 140  
141 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
142 142  
233 +**4.  After the upload is successful, open the serial port monitoring and send the AT command**
143 143  
144 -[[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"]]
145 145  
236 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
146 146  
147 147  
148 -(% style="color:blue" %)**3.  Use AT commands.**
149 149  
240 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
150 150  
151 -[[image:image-20220909151441-1.jpeg||height="695" width="521"]]
152 152  
243 +**1.  Open project**
153 153  
154 154  
155 -(% style="color:blue" %)**4.  Use the serial port tool**
246 +Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
156 156  
248 +[[image:image-20220723172502-8.png]]
157 157  
158 -[[image:image-20220909151517-2.png||height="543" width="708"]]
159 159  
160 160  
252 +2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
161 161  
162 -(% style="color:blue" %)**5.  Use command AT+CFG to get device configuration**
163 163  
255 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
164 164  
165 -[[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"]]
166 166  
167 167  
259 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
168 168  
169 -(% style="color:blue" %)**6.  Network successfully.**
170 170  
262 +**1.  Open project**
171 171  
172 -[[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"]]
173 173  
265 +Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
174 174  
175 175  
176 -(% style="color:blue" %)**7.  Send uplink using command**
268 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
177 177  
178 178  
179 -[[image:image-20220912085244-1.png]]
180 180  
272 +**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
181 181  
182 -[[image:image-20220912085307-2.png]]
183 183  
275 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
184 184  
185 185  
186 -[[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"]]
187 187  
279 +**3.  Integration into Node-red via TTNV3**
188 188  
189 -== 1.7  Example: Send PC's CPU/RAM usage to TTN via python ==
281 +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/]]
190 190  
283 +[[image:image-20220723175700-12.png||height="602" width="995"]]
191 191  
192 -**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]]
193 193  
194 -(**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]])
195 195  
287 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
196 196  
197 -(% style="color:red" %)**Preconditions:**
198 198  
199 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
290 +=== 2.8.1  Items needed for update ===
200 200  
201 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
202 202  
293 +1. LA66 LoRaWAN Shield
294 +1. Arduino
295 +1. USB TO TTL Adapter
203 203  
297 +[[image:image-20220602100052-2.png||height="385" width="600"]]
204 204  
205 -(% style="color:blue" %)**Steps for usage:**
206 206  
207 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
300 +=== 2.8.2  Connection ===
208 208  
209 -(% style="color:blue" %)**2.**(%%) Add [[decoder>>https://github.com/dragino/dragino-end-node-decoder/tree/main/LA66%20USB]] on TTN
210 210  
211 -(% style="color:blue" %)**3.**(%%) Run the python script in PC and see the TTN
303 +[[image:image-20220602101311-3.png||height="276" width="600"]]
212 212  
213 213  
214 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
306 +(((
307 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
308 +)))
215 215  
310 +(((
311 +(% style="background-color:yellow" %)**GND  <-> GND
312 +TXD  <->  TXD
313 +RXD  <->  RXD**
314 +)))
216 216  
217 -== 1.8  Example: Send & Get Messages via LoRaWAN in RPi ==
218 218  
317 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
219 219  
220 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
319 +Connect USB TTL Adapter to PC after connecting the wires
221 221  
222 222  
223 -(% style="color:blue" %)**1.  Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
322 +[[image:image-20220602102240-4.png||height="304" width="600"]]
224 224  
225 225  
226 -[[image:image-20220723100439-2.png]]
325 +=== 2.8.3  Upgrade steps ===
227 227  
228 228  
328 +==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
229 229  
230 -(% style="color:blue" %)**2.  Install Minicom in RPi.**
231 231  
331 +[[image:image-20220602102824-5.png||height="306" width="600"]]
232 232  
233 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
234 234  
235 - (% style="background-color:yellow" %)**apt update**
236 236  
237 - (% style="background-color:yellow" %)**apt install minicom**
335 +==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
238 238  
239 239  
240 -Use minicom to connect to the RPI's terminal
338 +[[image:image-20220602104701-12.png||height="285" width="600"]]
241 241  
242 -[[image:image-20220602153146-3.png||height="439" width="500"]]
243 243  
244 244  
342 +==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
245 245  
246 -(% style="color:blue" %)**3.  Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
247 247  
345 +(((
346 +(% 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/]]**
347 +)))
248 248  
249 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
250 250  
350 +[[image:image-20220602103227-6.png]]
251 251  
252 -[[image:image-20220602154928-5.png||height="436" width="500"]]
253 253  
353 +[[image:image-20220602103357-7.png]]
254 254  
255 255  
256 -(% style="color:blue" %)**4.  Send Uplink message**
257 257  
357 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
358 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
258 258  
259 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
260 260  
261 -example: AT+SENDB=01,02,8,05820802581ea0a5
361 +[[image:image-20220602103844-8.png]]
262 262  
263 263  
264 -[[image:image-20220602160339-6.png||height="517" width="600"]]
265 265  
365 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
366 +(% style="color:blue" %)**3. Select the bin file to burn**
266 266  
267 267  
268 -Check to see if TTN received the message
369 +[[image:image-20220602104144-9.png]]
269 269  
270 270  
271 -[[image:image-20220602160627-7.png||height="369" width="800"]]
372 +[[image:image-20220602104251-10.png]]
272 272  
273 273  
274 -== 1.9  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
375 +[[image:image-20220602104402-11.png]]
275 275  
276 -=== 1.9.1  Hardware and Software Connection ===
277 277  
278 278  
379 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
380 +(% style="color:blue" %)**4. Click to start the download**
279 279  
280 -==== (% style="color:blue" %)**Overview：**(%%) ====
382 +[[image:image-20220602104923-13.png]]
281 281  
282 282  
385 +
386 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
387 +(% style="color:blue" %)**5. Check update process**
388 +
389 +
390 +[[image:image-20220602104948-14.png]]
391 +
392 +
393 +
394 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
395 +(% style="color:blue" %)**The following picture shows that the burning is successful**
396 +
397 +[[image:image-20220602105251-15.png]]
398 +
399 +
400 +
401 += 3.  LA66 USB LoRaWAN Adapter =
402 +
403 +
404 +== 3.1  Overview ==
405 +
406 +
407 +[[image:image-20220715001142-3.png||height="145" width="220"]]
408 +
409 +
283 283  (((
284 -DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
411 +(% style="color:blue" %)**LA66 USB LoRaWAN Adapter**(%%) is designed to fast turn USB devices to support LoRaWAN wireless features. It combines a CP2101 USB TTL Chip and LA66 LoRaWAN module which can easy to add LoRaWAN wireless feature to PC / Mobile phone or an embedded device that has USB Interface.
412 +)))
285 285  
286 -* Send real-time location information of mobile phone to LoRaWAN network.
287 -* Check LoRaWAN network signal strengh.
288 -* Manually send messages to LoRaWAN network.
414 +(((
415 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
289 289  )))
290 290  
418 +(((
419 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
420 +)))
291 291  
422 +(((
423 +Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
424 +)))
292 292  
426 +(((
427 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
428 +)))
293 293  
294 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
295 295  
296 296  
297 -A USB to Type-C adapter is needed to connect to a Mobile phone.
432 +== 3.2  Features ==
298 298  
299 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
434 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
435 +* Ultra-long RF range
436 +* Support LoRaWAN v1.0.4 protocol
437 +* Support peer-to-peer protocol
438 +* TCXO crystal to ensure RF performance on low temperature
439 +* Spring RF antenna
440 +* Available in different frequency LoRaWAN frequency bands.
441 +* World-wide unique OTAA keys.
442 +* AT Command via UART-TTL interface
443 +* Firmware upgradable via UART interface
444 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
300 300  
301 -[[image:image-20220813174353-2.png||height="360" width="313"]]
302 302  
303 303  
448 +== 3.3  Specification ==
304 304  
305 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
450 +* CPU: 32-bit 48 MHz
451 +* Flash: 256KB
452 +* RAM: 64KB
453 +* Input Power Range: 5v
454 +* Frequency Range: 150 MHz ~~ 960 MHz
455 +* Maximum Power +22 dBm constant RF output
456 +* High sensitivity: -148 dBm
457 +* Temperature:
458 +** Storage: -55 ~~ +125℃
459 +** Operating: -40 ~~ +85℃
460 +* Humidity:
461 +** Storage: 5 ~~ 95% (Non-Condensing)
462 +** Operating: 10 ~~ 95% (Non-Condensing)
463 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
464 +* LoRa Rx current: <9 mA
306 306  
307 307  
308 -[[(% 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)
309 309  
468 +== 3.4  Pin Mapping & LED ==
310 310  
311 -[[image:image-20220813173738-1.png]]
312 312  
313 313  
472 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
314 314  
315 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
316 316  
475 +(((
476 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
477 +)))
317 317  
318 -Function and page introduction
319 319  
480 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
320 320  
321 -[[image:image-20220723113448-7.png||height="995" width="450"]]
322 322  
483 +[[image:image-20220723100027-1.png]]
323 323  
324 -**Block Explain:**
325 325  
326 -1.  Display LA66 USB LoRaWAN Module connection status
486 +Open the serial port tool
327 327  
328 -2.  Check and reconnect
488 +[[image:image-20220602161617-8.png]]
329 329  
330 -3.  Turn send timestamps on or off
490 +[[image:image-20220602161718-9.png||height="457" width="800"]]
331 331  
332 -4.  Display LoRaWan connection status
333 333  
334 -5.  Check LoRaWan connection status
335 335  
336 -6.  The RSSI value of the node when the ACK is received
494 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
337 337  
338 -7.  Node's Signal Strength Icon
496 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
339 339  
340 -8.  Configure Location Uplink Interval
341 341  
342 -9.  AT command input box
499 +[[image:image-20220602161935-10.png||height="498" width="800"]]
343 343  
344 -10.  Send Button:  Send input box info to LA66 USB Adapter
345 345  
346 -11.  Output Log from LA66 USB adapter
347 347  
348 -12.  clear log button
503 +(% style="color:blue" %)**3. See Uplink Command**
349 349  
350 -13.  exit button
505 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
351 351  
507 +example: AT+SENDB=01,02,8,05820802581ea0a5
352 352  
509 +[[image:image-20220602162157-11.png||height="497" width="800"]]
353 353  
354 -LA66 USB LoRaWAN Module not connected
355 355  
356 356  
357 -[[image:image-20220723110520-5.png||height="677" width="508"]]
513 +(% style="color:blue" %)**4. Check to see if TTN received the message**
358 358  
515 +[[image:image-20220602162331-12.png||height="420" width="800"]]
359 359  
360 360  
361 -Connect LA66 USB LoRaWAN Module
362 362  
519 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
363 363  
364 -[[image:image-20220723110626-6.png||height="681" width="511"]]
365 365  
522 +**Use python as an example：**[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py]]
366 366  
367 -=== 1.9.2  Send data to TTNv3 and plot location info in Node-Red ===
524 +(**Raspberry Pi example: **[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py]])
368 368  
526 +(% style="color:red" %)**Preconditions:**
369 369  
370 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
528 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
371 371  
530 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
372 372  
373 -[[image:image-20220723134549-8.png]]
374 374  
375 375  
534 +(% style="color:blue" %)**Steps for usage:**
376 376  
377 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
536 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
378 378  
538 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
379 379  
380 -Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
540 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
381 381  
382 -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/]]
383 383  
384 -After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
385 385  
386 -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]]
544 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
387 387  
388 388  
389 -Example output in NodeRed is as below:
547 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
390 390  
391 -[[image:image-20220723144339-1.png]]
392 392  
550 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
393 393  
394 -== 1.10  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
552 +[[image:image-20220723100439-2.png]]
395 395  
396 396  
397 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method.
398 398  
399 -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).
556 +(% style="color:blue" %)**2. Install Minicom in RPi.**
400 400  
401 -(% style="color:red" %)**Notice: If upgrade via USB hub is not sucessful. try to connect to PC directly.**
558 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
402 402  
403 -[[image:image-20220723150132-2.png]]
560 + (% style="background-color:yellow" %)**apt update**
404 404  
405 -==== ** Open the Upgrade tool (Tremo Programmer) in PC and Upgrade** ====
562 + (% style="background-color:yellow" %)**apt install minicom**
406 406  
407 -**1.  Software download link:  [[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>url:https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]**
408 408  
409 -[[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"]]
565 +Use minicom to connect to the RPI's terminal
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-20220602103357-7.png?rev=1.1||alt="image-20220602103357-7.png"]]
567 +[[image:image-20220602153146-3.png||height="439" width="500"]]
412 412  
413 -**2.  Select the COM port corresponding to USB TTL**
414 414  
415 -[[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"]]
416 416  
417 -**3.  Select the bin file to burn**
571 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
418 418  
419 -[[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"]]
573 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
420 420  
421 -[[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"]]
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-20220602104402-11.png?rev=1.1||alt="image-20220602104402-11.png"]]
576 +[[image:image-20220602154928-5.png||height="436" width="500"]]
424 424  
425 -**4.  Click to start the download**
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-20220602104923-13.png?rev=1.1||alt="image-20220602104923-13.png"]]
428 428  
429 -**5.  Check update process**
580 +(% style="color:blue" %)**4. Send Uplink message**
430 430  
431 -[[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"]]
582 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
432 432  
433 -**The following picture shows that the burning is successful**
584 +example: AT+SENDB=01,02,8,05820802581ea0a5
434 434  
435 -[[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"]]
436 436  
437 -= 2.  FAQ =
587 +[[image:image-20220602160339-6.png||height="517" width="600"]]
438 438  
439 -== 2.1  How to Compile Source Code for LA66? ==
440 440  
441 441  
442 -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]]
591 +Check to see if TTN received the message
443 443  
593 +[[image:image-20220602160627-7.png||height="369" width="800"]]
444 444  
445 -== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
446 446  
447 447  
448 -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]]
597 +== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
449 449  
450 450  
451 -== 2.3 My device keeps showing invalid credentials, the device goes into low power mode ==
600 +=== 3.8.1 DRAGINO-LA66-APP ===
452 452  
453 -Set the AT+COMMAND:
454 454  
455 -AT+UUID=666666666666
603 +[[image:image-20220723102027-3.png]]
456 456  
457 457  
458 -= 3.  Order Info =
459 459  
607 +==== (% style="color:blue" %)**Overview：**(%%) ====
460 460  
461 -**Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
462 462  
610 +DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Adapter and APP sample process. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Adapter.
463 463  
464 -(% style="color:blue" %)**XXX**(%%): The default frequency band
612 +View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
465 465  
466 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
467 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
468 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
469 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
470 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
471 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
472 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
473 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
474 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
475 475  
476 -= 4.  Reference =
477 477  
616 +==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
478 478  
479 -* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
480 -* Mobile Phone App Source Code: [[Download>>https://github.com/dragino/LA66_Mobile_App]].
481 481  
482 -= 5.  FCC Statement =
619 +Requires a type-c to USB adapter
483 483  
621 +[[image:image-20220723104754-4.png]]
484 484  
485 -(% style="color:red" %)**FCC Caution:**
486 486  
487 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
488 488  
489 -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.
625 +==== (% style="color:blue" %)**Use of APP:**(%%) ====
490 490  
491 491  
492 -(% style="color:red" %)**IMPORTANT NOTE: **
628 +Function and page introduction
493 493  
494 -(% 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:
630 +[[image:image-20220723113448-7.png||height="1481" width="670"]]
495 495  
496 -—Reorient or relocate the receiving antenna.
632 +1.Display LA66 USB LoRaWAN Module connection status
497 497  
498 -—Increase the separation between the equipment and receiver.
634 +2.Check and reconnect
499 499  
500 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
636 +3.Turn send timestamps on or off
501 501  
502 -—Consult the dealer or an experienced radio/TV technician for help.
638 +4.Display LoRaWan connection status
503 503  
640 +5.Check LoRaWan connection status
504 504  
505 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
642 +6.The RSSI value of the node when the ACK is received
506 506  
507 -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.
644 +7.Node's Signal Strength Icon
508 508  
509 -
646 +8.Set the packet sending interval of the node in seconds
647 +
648 +9.AT command input box
649 +
650 +10.Send AT command button
651 +
652 +11.Node log box
653 +
654 +12.clear log button
655 +
656 +13.exit button
657 +
658 +
659 +LA66 USB LoRaWAN Module not connected
660 +
661 +[[image:image-20220723110520-5.png||height="903" width="677"]]
662 +
663 +
664 +
665 +Connect LA66 USB LoRaWAN Module
666 +
667 +[[image:image-20220723110626-6.png||height="906" width="680"]]
668 +
669 +
670 +
671 +=== 3.8.2 Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Adapter and integrate it into Node-RED ===
672 +
673 +
674 +**1.  Register LA66 USB LoRaWAN Module to TTNV3**
675 +
676 +[[image:image-20220723134549-8.png]]
677 +
678 +
679 +
680 +**2.  Open Node-RED,And import the JSON file to generate the flow**
681 +
682 +Sample JSON file please go to this link to download：放置JSON文件的链接
683 +
684 +For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
685 +
686 +The following is the positioning effect map
687 +
688 +[[image:image-20220723144339-1.png]]
689 +
690 +
691 +
692 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
693 +
694 +
695 +The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
696 +
697 +Just use the yellow jumper cap to short the BOOT corner and the RX corner, and then press the RESET button (without the jumper cap, you can directly short the BOOT corner and the RX corner with a wire to achieve the same effect)
698 +
699 +[[image:image-20220723150132-2.png]]
700 +
701 +
702 +
703 += 4.  Order Info =
704 +
705 +
706 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
707 +
708 +
709 +(% style="color:blue" %)**XXX**(%%): The default frequency band
710 +
711 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
712 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
713 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
714 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
715 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
716 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
717 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
718 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
719 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
720 +
721 +
722 += 5.  Reference =
723 +
724 +
725 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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