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Last modified by Xiaoling on 2025/02/07 16:37
From version 161.2
edited by Xiaoling
on 2023/06/10 08:47
Change comment: There is no comment for this version
To version 137.4
edited by Xiaoling
on 2022/07/29 09:17
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
... ... @@ -6,25 +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  
... ... @@ -31,36 +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 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 -
56 -
57 57  == 1.3  Specification ==
58 58  
59 -
60 60  * CPU: 32-bit 48 MHz
61 61  * Flash: 256KB
62 62  * RAM: 64KB
63 -* Input Power Range: 5v
70 +* Input Power Range: 1.8v ~~ 3.7v
71 +* Power Consumption: < 4uA.
64 64  * Frequency Range: 150 MHz ~~ 960 MHz
65 65  * Maximum Power +22 dBm constant RF output
66 66  * High sensitivity: -148 dBm
... ... @@ -72,421 +72,650 @@
72 72  ** Operating: 10 ~~ 95% (Non-Condensing)
73 73  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
74 74  * LoRa Rx current: <9 mA
83 +* I/O Voltage: 3.3v
75 75  
85 +== 1.4  AT Command ==
76 76  
77 77  
78 -== 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.
79 79  
80 80  
81 -[[image:image-20220813183239-3.png||height="526" width="662"]]
82 82  
92 +== 1.5  Dimension ==
83 83  
84 -== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
94 +[[image:image-20220718094750-3.png]]
85 85  
86 86  
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 +
87 87  (((
88 -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"]]
118 +)))
89 89  
120 +(((
90 90  
91 91  )))
92 92  
93 -(% 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 +)))
94 94  
95 -[[image:image-20220723100027-1.png]]
128 +(((
129 +(((
130 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely.  This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
131 +)))
132 +)))
96 96  
134 +(((
135 +(((
136 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
137 +)))
138 +)))
97 97  
98 -Open the serial port tool
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 +)))
99 99  
100 -[[image:image-20220602161617-8.png]]
146 +(((
147 +(((
148 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
149 +)))
150 +)))
101 101  
102 102  
103 -[[image:image-20220602161718-9.png||height="457" width="800"]]
104 104  
154 +== 2.2  Features ==
105 105  
106 -(% style="color:blue" %)**2.  Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
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
107 107  
108 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
167 +== 2.3  Specification ==
109 109  
110 -[[image:image-20220602161935-10.png||height="498" width="800"]]
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 -(% style="color:blue" %)**3.  See Uplink Command**
114 114  
115 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
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
116 116  
117 -example: AT+SENDB=01,02,8,05820802581ea0a5
118 118  
119 -[[image:image-20220602162157-11.png||height="497" width="800"]]
120 120  
196 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
121 121  
122 -(% style="color:blue" %)**4.  Check to see if TTN received the message**
123 123  
124 -[[image:image-20220817093644-1.png]]
199 +**Show connection diagram：**
125 125  
126 126  
127 -== 1.6  Example: How to join helium ==
202 +[[image:image-20220723170210-2.png||height="908" width="681"]]
128 128  
129 129  
130 -(% style="color:blue" %)**1.  Create a new device.**
131 131  
132 -[[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"]]
206 +(% style="color:blue" %)**1.  open Arduino IDE**
133 133  
134 134  
135 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
209 +[[image:image-20220723170545-4.png]]
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-20220907165837-2.png?width=809&height=375&rev=1.1||alt="image-20220907165837-2.png" height="375" width="809"]]
138 138  
139 139  
140 -(% style="color:blue" %)**3.  Use AT commands.**
213 +(% style="color:blue" %)**2.  Open project**
141 141  
142 -[[image:image-20220909151441-1.jpeg||height="695" width="521"]]
143 143  
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]]
144 144  
145 -(% style="color:blue" %)**4.  Use the serial port tool**
218 +[[image:image-20220726135239-1.png]]
146 146  
147 -[[image:image-20220909151517-2.png||height="543" width="708"]]
148 148  
221 +(% 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**
149 149  
150 -(% style="color:blue" %)**5.  Use command AT+CFG to get device configuration**
223 +[[image:image-20220726135356-2.png]]
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-20220907170308-3.png?width=617&height=556&rev=1.1||alt="image-20220907170308-3.png" height="556" width="617"]]
153 153  
226 +(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
154 154  
155 -(% style="color:blue" %)**6.  Network successfully.**
156 156  
157 -[[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"]]
229 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
158 158  
159 159  
160 -(% style="color:blue" %)**7.  Send uplink using command**
161 161  
162 -[[image:image-20220912085244-1.png]]
233 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
163 163  
164 -[[image:image-20220912085307-2.png]]
165 165  
236 +(% style="color:blue" %)**1.  Open project**
166 166  
167 -[[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"]]
168 168  
239 +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]]
169 169  
170 -== 1.7  Example: Send PC's CPU/RAM usage to TTN via python ==
171 171  
242 +[[image:image-20220723172502-8.png]]
172 172  
173 -**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]]
174 174  
175 -(**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]])
176 176  
246 +(% 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**
177 177  
178 -(% style="color:red" %)**Preconditions:**
179 179  
180 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
249 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
181 181  
182 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
183 183  
184 184  
253 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
185 185  
186 -(% style="color:blue" %)**Steps for usage:**
187 187  
188 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
256 +(% style="color:blue" %)**1.  Open project**
189 189  
190 -(% style="color:blue" %)**2.**(%%) Add [[decoder>>https://github.com/dragino/dragino-end-node-decoder/tree/main/LA66%20USB]] on TTN
191 191  
192 -(% style="color:blue" %)**3.**(%%) Run the python script in PC and see the TTN
259 +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]]
193 193  
194 194  
195 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
262 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
196 196  
197 197  
198 -== 1.8  Example: Send & Get Messages via LoRaWAN in RPi ==
199 199  
266 +(% 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**
200 200  
201 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
202 202  
269 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
203 203  
204 -(% style="color:blue" %)**1.  Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
205 205  
206 -[[image:image-20220723100439-2.png]]
207 207  
273 +(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
208 208  
209 -(% style="color:blue" %)**2.  Install Minicom in RPi.**
275 +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/]]
210 210  
211 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
277 +[[image:image-20220723175700-12.png||height="602" width="995"]]
212 212  
213 - (% style="background-color:yellow" %)**apt update**
214 214  
215 - (% style="background-color:yellow" %)**apt install minicom**
216 216  
217 -Use minicom to connect to the RPI's terminal
281 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
218 218  
219 -[[image:image-20220602153146-3.png||height="439" width="500"]]
220 220  
284 +=== 2.8.1  Items needed for update ===
221 221  
222 -(% style="color:blue" %)**3.  Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
223 223  
224 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
287 +1. LA66 LoRaWAN Shield
288 +1. Arduino
289 +1. USB TO TTL Adapter
225 225  
226 -[[image:image-20220602154928-5.png||height="436" width="500"]]
291 +[[image:image-20220602100052-2.png||height="385" width="600"]]
227 227  
228 228  
229 -(% style="color:blue" %)**4.  Send Uplink message**
294 +=== 2.8.2  Connection ===
230 230  
231 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
232 232  
233 -example: AT+SENDB=01,02,8,05820802581ea0a5
297 +[[image:image-20220602101311-3.png||height="276" width="600"]]
234 234  
235 -[[image:image-20220602160339-6.png||height="517" width="600"]]
236 236  
300 +(((
301 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
302 +)))
237 237  
304 +(((
305 +(% style="background-color:yellow" %)**GND  <-> GND
306 +TXD  <->  TXD
307 +RXD  <->  RXD**
308 +)))
238 238  
239 -Check to see if TTN received the message
240 240  
311 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
241 241  
242 -[[image:image-20220602160627-7.png||height="369" width="800"]]
313 +Connect USB TTL Adapter to PC after connecting the wires
243 243  
244 244  
245 -== 1.9  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
316 +[[image:image-20220602102240-4.png||height="304" width="600"]]
246 246  
247 -=== 1.9.1  Hardware and Software Connection ===
248 248  
319 +=== 2.8.3  Upgrade steps ===
249 249  
250 250  
251 -==== (% style="color:blue" %)**Overview：**(%%) ====
322 +==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
252 252  
253 253  
325 +[[image:image-20220602102824-5.png||height="306" width="600"]]
326 +
327 +
328 +
329 +==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
330 +
331 +
332 +[[image:image-20220602104701-12.png||height="285" width="600"]]
333 +
334 +
335 +
336 +==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
337 +
338 +
254 254  (((
255 -DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
340 +(% 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/]]**
341 +)))
256 256  
257 -* Send real-time location information of mobile phone to LoRaWAN network.
258 -* Check LoRaWAN network signal strengh.
259 -* Manually send messages to LoRaWAN network.
343 +
344 +[[image:image-20220602103227-6.png]]
345 +
346 +
347 +[[image:image-20220602103357-7.png]]
348 +
349 +
350 +
351 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
352 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
353 +
354 +
355 +[[image:image-20220602103844-8.png]]
356 +
357 +
358 +
359 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
360 +(% style="color:blue" %)**3. Select the bin file to burn**
361 +
362 +
363 +[[image:image-20220602104144-9.png]]
364 +
365 +
366 +[[image:image-20220602104251-10.png]]
367 +
368 +
369 +[[image:image-20220602104402-11.png]]
370 +
371 +
372 +
373 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
374 +(% style="color:blue" %)**4. Click to start the download**
375 +
376 +[[image:image-20220602104923-13.png]]
377 +
378 +
379 +
380 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
381 +(% style="color:blue" %)**5. Check update process**
382 +
383 +
384 +[[image:image-20220602104948-14.png]]
385 +
386 +
387 +
388 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
389 +(% style="color:blue" %)**The following picture shows that the burning is successful**
390 +
391 +[[image:image-20220602105251-15.png]]
392 +
393 +
394 +
395 += 3.  LA66 USB LoRaWAN Adapter =
396 +
397 +
398 +== 3.1  Overview ==
399 +
400 +
401 +[[image:image-20220715001142-3.png||height="145" width="220"]]
402 +
403 +
404 +(((
405 +(% 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.
260 260  )))
261 261  
408 +(((
409 +(% 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.
410 +)))
262 262  
412 +(((
413 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
414 +)))
263 263  
416 +(((
417 +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.
418 +)))
264 264  
265 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
420 +(((
421 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
422 +)))
266 266  
267 267  
268 -A USB to Type-C adapter is needed to connect to a Mobile phone.
269 269  
270 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
426 +== 3.2  Features ==
271 271  
272 -[[image:image-20220813174353-2.png||height="360" width="313"]]
428 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
429 +* Ultra-long RF range
430 +* Support LoRaWAN v1.0.4 protocol
431 +* Support peer-to-peer protocol
432 +* TCXO crystal to ensure RF performance on low temperature
433 +* Spring RF antenna
434 +* Available in different frequency LoRaWAN frequency bands.
435 +* World-wide unique OTAA keys.
436 +* AT Command via UART-TTL interface
437 +* Firmware upgradable via UART interface
438 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
273 273  
440 +== 3.3  Specification ==
274 274  
442 +* CPU: 32-bit 48 MHz
443 +* Flash: 256KB
444 +* RAM: 64KB
445 +* Input Power Range: 5v
446 +* Frequency Range: 150 MHz ~~ 960 MHz
447 +* Maximum Power +22 dBm constant RF output
448 +* High sensitivity: -148 dBm
449 +* Temperature:
450 +** Storage: -55 ~~ +125℃
451 +** Operating: -40 ~~ +85℃
452 +* Humidity:
453 +** Storage: 5 ~~ 95% (Non-Condensing)
454 +** Operating: 10 ~~ 95% (Non-Condensing)
455 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
456 +* LoRa Rx current: <9 mA
275 275  
276 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
458 +== 3.4  Pin Mapping & LED ==
277 277  
278 278  
279 -[[(% 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)
280 280  
462 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
281 281  
282 -[[image:image-20220813173738-1.png]]
283 283  
465 +(((
466 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
467 +)))
284 284  
285 285  
286 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
470 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
287 287  
288 288  
289 -Function and page introduction
473 +[[image:image-20220723100027-1.png]]
290 290  
291 291  
292 -[[image:image-20220723113448-7.png||height="995" width="450"]]
476 +Open the serial port tool
293 293  
478 +[[image:image-20220602161617-8.png]]
294 294  
295 -(% style="color:blue" %)**Block Explain:**
480 +[[image:image-20220602161718-9.png||height="457" width="800"]]
296 296  
297 -1.  Display LA66 USB LoRaWAN Module connection status
298 298  
299 -2.  Check and reconnect
300 300  
301 -3.  Turn send timestamps on or off
484 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
302 302  
303 -4.  Display LoRaWan connection status
486 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
304 304  
305 -5.  Check LoRaWan connection status
306 306  
307 -6.  The RSSI value of the node when the ACK is received
489 +[[image:image-20220602161935-10.png||height="498" width="800"]]
308 308  
309 -7.  Node's Signal Strength Icon
310 310  
311 -8.  Configure Location Uplink Interval
312 312  
313 -9.  AT command input box
493 +(% style="color:blue" %)**3. See Uplink Command**
314 314  
315 -10.  Send Button:  Send input box info to LA66 USB Adapter
495 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
316 316  
317 -11.  Output Log from LA66 USB adapter
497 +example: AT+SENDB=01,02,8,05820802581ea0a5
318 318  
319 -12.  clear log button
499 +[[image:image-20220602162157-11.png||height="497" width="800"]]
320 320  
321 -13.  exit button
322 322  
323 323  
503 +(% style="color:blue" %)**4. Check to see if TTN received the message**
324 324  
325 -LA66 USB LoRaWAN Module not connected
505 +[[image:image-20220602162331-12.png||height="420" width="800"]]
326 326  
327 327  
328 -[[image:image-20220723110520-5.png||height="677" width="508"]]
329 329  
509 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
330 330  
331 331  
332 -Connect LA66 USB LoRaWAN Module
512 +**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]]
333 333  
514 +(**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]])
334 334  
335 -[[image:image-20220723110626-6.png||height="681" width="511"]]
516 +(% style="color:red" %)**Preconditions:**
336 336  
518 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
337 337  
338 -=== 1.9.2  Send data to TTNv3 and plot location info in Node-Red ===
520 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
339 339  
340 340  
341 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
342 342  
524 +(% style="color:blue" %)**Steps for usage:**
343 343  
344 -[[image:image-20220723134549-8.png]]
526 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
345 345  
528 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
346 346  
530 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
347 347  
348 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
349 349  
350 350  
351 -Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
534 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
352 352  
353 -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/]]
354 354  
355 -After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
537 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
356 356  
357 -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]]
358 358  
540 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
359 359  
360 -Example output in NodeRed is as below:
542 +[[image:image-20220723100439-2.png]]
361 361  
362 -[[image:image-20220723144339-1.png]]
363 363  
364 364  
365 -== 1.10  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
546 +(% style="color:blue" %)**2. Install Minicom in RPi.**
366 366  
548 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
367 367  
368 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method.
550 + (% style="background-color:yellow" %)**apt update**
369 369  
370 -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).
552 + (% style="background-color:yellow" %)**apt install minicom**
371 371  
372 -(% style="color:red" %)**Notice: If upgrade via USB hub is not sucessful. try to connect to PC directly.**
373 373  
374 -[[image:image-20220723150132-2.png]]
555 +Use minicom to connect to the RPI's terminal
375 375  
557 +[[image:image-20220602153146-3.png||height="439" width="500"]]
376 376  
377 377  
378 -=== (% style="color:blue" %)**Open the Upgrade tool (Tremo Programmer) in PC and Upgrade** (%%) ===
379 379  
561 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
380 380  
381 -**1.  Software download link:  [[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>url:https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]**
563 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
382 382  
383 -[[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"]]
384 384  
385 -[[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"]]
566 +[[image:image-20220602154928-5.png||height="436" width="500"]]
386 386  
387 387  
388 -**2.  Select the COM port corresponding to USB TTL**
389 389  
390 -[[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"]]
570 +(% style="color:blue" %)**4. Send Uplink message**
391 391  
572 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
392 392  
393 -**3.  Select the bin file to burn**
574 +example: AT+SENDB=01,02,8,05820802581ea0a5
394 394  
395 -[[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"]]
396 396  
397 -[[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"]]
577 +[[image:image-20220602160339-6.png||height="517" width="600"]]
398 398  
399 -[[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"]]
400 400  
401 401  
402 -**4.  Click to start the download**
581 +Check to see if TTN received the message
403 403  
404 -[[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"]]
583 +[[image:image-20220602160627-7.png||height="369" width="800"]]
405 405  
406 406  
407 -**5.  Check update process**
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-20220602104948-14.png?rev=1.1||alt="image-20220602104948-14.png"]]
587 +== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
410 410  
411 411  
412 -**The following picture shows that the burning is successful**
590 +=== 3.8.1  DRAGINO-LA66-APP ===
413 413  
414 -[[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"]]
415 415  
593 +[[image:image-20220723102027-3.png]]
416 416  
417 -= 2.  FAQ =
418 418  
419 -== 2.1  How to Compile Source Code for LA66? ==
420 420  
597 +==== (% style="color:blue" %)**Overview：**(%%) ====
421 421  
422 -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]]
423 423  
600 +(((
601 +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.
602 +)))
424 424  
425 -== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
604 +(((
605 +View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
606 +)))
426 426  
427 427  
428 -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]]
429 429  
610 +==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
430 430  
431 -== 2.3 My device keeps showing invalid credentials, the device goes into low power mode ==
432 432  
613 +Requires a type-c to USB adapter
433 433  
434 -Set the AT+COMMAND: (% style="color:blue" %)**AT+UUID=666666666666**
615 +[[image:image-20220723104754-4.png]]
435 435  
436 436  
437 -= 3.  Order Info =
438 438  
619 +==== (% style="color:blue" %)**Use of APP:**(%%) ====
439 439  
440 -**Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
441 441  
622 +Function and page introduction
442 442  
443 -(% style="color:blue" %)**XXX**(%%): The default frequency band
624 +[[image:image-20220723113448-7.png||height="1481" width="670"]]
444 444  
445 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
446 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
447 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
448 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
449 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
450 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
451 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
452 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
453 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
454 454  
627 +1.Display LA66 USB LoRaWAN Module connection status
455 455  
629 +2.Check and reconnect
456 456  
457 -= 4.  Reference =
631 +3.Turn send timestamps on or off
458 458  
633 +4.Display LoRaWan connection status
459 459  
460 -* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
461 -* Mobile Phone App Source Code: [[Download>>https://github.com/dragino/LA66_Mobile_App]].
635 +5.Check LoRaWan connection status
462 462  
637 +6.The RSSI value of the node when the ACK is received
463 463  
639 +7.Node's Signal Strength Icon
464 464  
465 -= 5.  FCC Statement =
641 +8.Set the packet sending interval of the node in seconds
466 466  
643 +9.AT command input box
467 467  
468 -(% style="color:red" %)**FCC Caution:**
645 +10.Send AT command button
469 469  
470 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
647 +11.Node log box
471 471  
472 -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.
649 +12.clear log button
473 473  
651 +13.exit button
474 474  
475 -(% style="color:red" %)**IMPORTANT NOTE: **
476 476  
477 -(% 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:
654 +LA66 USB LoRaWAN Module not connected
478 478  
479 -—Reorient or relocate the receiving antenna.
656 +[[image:image-20220723110520-5.png||height="903" width="677"]]
480 480  
481 -—Increase the separation between the equipment and receiver.
482 482  
483 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
484 484  
485 -—Consult the dealer or an experienced radio/TV technician for help.
660 +Connect LA66 USB LoRaWAN Module
486 486  
662 +[[image:image-20220723110626-6.png||height="906" width="680"]]
487 487  
488 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
489 489  
490 -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.
491 491  
492 -
666 +=== 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 ===
667 +
668 +
669 +(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
670 +
671 +[[image:image-20220723134549-8.png]]
672 +
673 +
674 +
675 +(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
676 +
677 +Sample JSON file please go to this link to download：放置JSON文件的链接
678 +
679 +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/]]
680 +
681 +The following is the positioning effect map
682 +
683 +[[image:image-20220723144339-1.png]]
684 +
685 +
686 +
687 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
688 +
689 +
690 +The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
691 +
692 +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)
693 +
694 +[[image:image-20220723150132-2.png]]
695 +
696 +
697 +
698 += 4.  FAQ =
699 +
700 +
701 +== 4.1  How to Compile Source Code for LA66? ==
702 +
703 +
704 +Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
705 +
706 +
707 +
708 += 5.  Order Info =
709 +
710 +
711 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
712 +
713 +
714 +(% style="color:blue" %)**XXX**(%%): The default frequency band
715 +
716 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
717 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
718 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
719 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
720 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
721 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
722 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
723 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
724 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
725 +
726 += 6.  Reference =
727 +
728 +
729 +* 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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