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Last modified by Xiaoling on 2025/02/07 16:37
From version 149.7
edited by Xiaoling
on 2022/08/22 16:24
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To version 65.1
edited by Edwin Chen
on 2022/07/02 23:30
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.Xiaoling
1 +XWiki.Edwin
Content
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1 -
2 -
3 -**Table of Contents:**
4 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
5 5  {{toc/}}
3 +{{/box}}
6 6  
5 += LA66 LoRaWAN Module =
7 7  
7 +== What is LA66 LoRaWAN Module ==
8 8  
9 +(% 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.
9 9  
11 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 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.
10 10  
11 -= 1.  LA66 USB LoRaWAN Adapter =
12 -
13 -
14 -== 1.1  Overview ==
15 -
16 -
17 -[[image:image-20220715001142-3.png||height="145" width="220"]]
18 -
19 -
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.
22 -)))
23 -
24 -(((
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 -)))
27 -
28 -(((
29 29  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
30 -)))
31 31  
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 -)))
35 35  
36 -(((
37 37  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
38 -)))
39 39  
19 +== Features ==
40 40  
41 41  
42 -== 1.2  Features ==
22 +== Specification ==
43 43  
24 +[[image:image-20220517072526-1.png]]
44 44  
45 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
46 -* Ultra-long RF range
47 -* Support LoRaWAN v1.0.4 protocol
48 -* Support peer-to-peer protocol
49 -* TCXO crystal to ensure RF performance on low temperature
50 -* Spring RF antenna
51 -* Available in different frequency LoRaWAN frequency bands.
52 -* World-wide unique OTAA keys.
53 -* AT Command via UART-TTL interface
54 -* Firmware upgradable via UART interface
55 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
26 +Input Power Range: 1.8v ~~ 3.7v
56 56  
28 +Power Consumption: < 4uA.
57 57  
30 +Frequency Range: 150 MHz ~~ 960 MHz
58 58  
59 -== 1.3  Specification ==
32 +Maximum Power +22 dBm constant RF output
60 60  
34 +High sensitivity: -148 dBm
61 61  
62 -* CPU: 32-bit 48 MHz
63 -* Flash: 256KB
64 -* RAM: 64KB
65 -* Input Power Range: 5v
66 -* Frequency Range: 150 MHz ~~ 960 MHz
67 -* Maximum Power +22 dBm constant RF output
68 -* High sensitivity: -148 dBm
69 -* Temperature:
70 -** Storage: -55 ~~ +125℃
71 -** Operating: -40 ~~ +85℃
72 -* Humidity:
73 -** Storage: 5 ~~ 95% (Non-Condensing)
74 -** Operating: 10 ~~ 95% (Non-Condensing)
75 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
76 -* LoRa Rx current: <9 mA
36 +Temperature:
77 77  
38 +* Storage: -55 ~~ +125℃
39 +* Operating: -40 ~~ +85℃
78 78  
41 +Humidity:
79 79  
80 -== 1.4  Pin Mapping & LED ==
43 +* Storage: 5 ~~ 95% (Non-Condensing)
44 +* Operating: 10 ~~ 95% (Non-Condensing)
81 81  
46 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
82 82  
83 -[[image:image-20220813183239-3.png||height="526" width="662"]]
48 +LoRa Rx current: <9 mA
84 84  
50 +I/O Voltage: 3.3v
85 85  
86 86  
87 -== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
53 +== AT Command ==
88 88  
55 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
89 89  
90 -(((
91 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
92 -)))
93 93  
58 +== Pin Mapping ==
94 94  
95 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
60 +[[image:image-20220523101537-1.png]]
96 96  
62 +== Land Pattern ==
97 97  
98 -[[image:image-20220723100027-1.png]]
64 +[[image:image-20220517072821-2.png]]
99 99  
100 100  
101 -Open the serial port tool
67 +== Part Number ==
102 102  
103 -[[image:image-20220602161617-8.png]]
69 +Part Number: **LA66-XXX**
104 104  
105 -[[image:image-20220602161718-9.png||height="457" width="800"]]
71 +**XX**: The default frequency band
106 106  
73 +* **AS923**: LoRaWAN AS923 band
74 +* **AU915**: LoRaWAN AU915 band
75 +* **EU433**: LoRaWAN EU433 band
76 +* **EU868**: LoRaWAN EU868 band
77 +* **KR920**: LoRaWAN KR920 band
78 +* **US915**: LoRaWAN US915 band
79 +* **IN865**: LoRaWAN IN865 band
80 +* **CN470**: LoRaWAN CN470 band
107 107  
82 += LA66 LoRaWAN Shield =
108 108  
109 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
84 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
110 110  
86 +== Pin Mapping & LED ==
111 111  
112 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
88 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
113 113  
90 +== Example: Join TTN network and send an uplink message, get downlink message. ==
114 114  
115 -[[image:image-20220602161935-10.png||height="498" width="800"]]
92 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
116 116  
94 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
117 117  
96 +=== what needs to be used ===
118 118  
119 -(% style="color:blue" %)**3. See Uplink Command**
98 +1.LA66 LoRaWAN Shield that needs to be upgraded
120 120  
100 +2.Arduino
121 121  
122 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
102 +3.USB TO TTL
123 123  
124 -example: AT+SENDB=01,02,8,05820802581ea0a5
104 +[[image:image-20220602100052-2.png]]
125 125  
126 -[[image:image-20220602162157-11.png||height="497" width="800"]]
106 +=== Wiring Schematic ===
127 127  
108 +[[image:image-20220602101311-3.png]]
128 128  
110 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
129 129  
130 -(% style="color:blue" %)**4. Check to see if TTN received the message**
112 +GND  >>>>>>>>>>>>GND
131 131  
114 +TXD  >>>>>>>>>>>>TXD
132 132  
133 -[[image:image-20220817093644-1.png]]
116 +RXD  >>>>>>>>>>>>RXD
134 134  
118 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
135 135  
120 +Connect to the PC after connecting the wires
136 136  
137 -== 1.6  Example: Send PC's CPU/RAM usage to TTN via python ==
122 +[[image:image-20220602102240-4.png]]
138 138  
124 +=== Upgrade steps ===
139 139  
140 -**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]]
126 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
141 141  
142 -(**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]])
128 +[[image:image-20220602102824-5.png]]
143 143  
130 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
144 144  
145 -(% style="color:red" %)**Preconditions:**
132 +[[image:image-20220602104701-12.png]]
146 146  
147 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
134 +==== Open the upgrade application software ====
148 148  
149 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
136 +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/]]
150 150  
138 +[[image:image-20220602103227-6.png]]
151 151  
140 +[[image:image-20220602103357-7.png]]
152 152  
153 -(% style="color:blue" %)**Steps for usage:**
142 +===== Select the COM port corresponding to USB TTL =====
154 154  
155 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
144 +[[image:image-20220602103844-8.png]]
156 156  
157 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
146 +===== Select the bin file to burn =====
158 158  
148 +[[image:image-20220602104144-9.png]]
159 159  
160 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
150 +[[image:image-20220602104251-10.png]]
161 161  
152 +[[image:image-20220602104402-11.png]]
162 162  
154 +===== Click to start the download =====
163 163  
164 -== 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
156 +[[image:image-20220602104923-13.png]]
165 165  
158 +===== The following figure appears to prove that the burning is in progress =====
166 166  
167 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
160 +[[image:image-20220602104948-14.png]]
168 168  
162 +===== The following picture appears to prove that the burning is successful =====
169 169  
170 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
164 +[[image:image-20220602105251-15.png]]
171 171  
166 += LA66 USB LoRaWAN Adapter =
172 172  
173 -[[image:image-20220723100439-2.png]]
168 +LA66 USB LoRaWAN Adapter is the USB Adapter for LA66, it combines a USB TTL Chip and LA66 module which can easy to test the LoRaWAN feature by using PC or embedded device which has USB Interface.
174 174  
170 +Before use, please make sure that the computer has installed the CP2102 driver
175 175  
172 +== Pin Mapping & LED ==
176 176  
177 -(% style="color:blue" %)**2. Install Minicom in RPi.**
174 +== Example Send & Get Messages via LoRaWAN in PC ==
178 178  
176 +Connect the LA66 LoRa Shield to the PC
179 179  
180 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
178 +[[image:image-20220602171217-1.png||height="615" width="915"]]
181 181  
182 - (% style="background-color:yellow" %)**apt update**
180 +Open the serial port tool
183 183  
184 - (% style="background-color:yellow" %)**apt install minicom**
182 +[[image:image-20220602161617-8.png]]
185 185  
184 +[[image:image-20220602161718-9.png||height="529" width="927"]]
186 186  
187 -Use minicom to connect to the RPI's terminal
186 +Press the reset switch RST on the LA66 LoRa Shield.
188 188  
189 -[[image:image-20220602153146-3.png||height="439" width="500"]]
188 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
190 190  
190 +[[image:image-20220602161935-10.png]]
191 191  
192 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
192 192  
193 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
194 -
195 -
196 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
197 -
198 -
199 -[[image:image-20220602154928-5.png||height="436" width="500"]]
200 -
201 -
202 -
203 -(% style="color:blue" %)**4. Send Uplink message**
204 -
205 -
206 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
207 -
208 208  example: AT+SENDB=01,02,8,05820802581ea0a5
209 209  
196 +[[image:image-20220602162157-11.png]]
210 210  
211 -[[image:image-20220602160339-6.png||height="517" width="600"]]
212 -
213 -
214 -
215 215  Check to see if TTN received the message
216 216  
217 -[[image:image-20220602160627-7.png||height="369" width="800"]]
200 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
218 218  
202 +== Example Send & Get Messages via LoRaWAN in RPi ==
219 219  
204 +Connect the LA66 LoRa Shield to the RPI
220 220  
221 -== 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
206 +[[image:image-20220602171233-2.png||height="592" width="881"]]
222 222  
208 +Log in to the RPI's terminal and connect to the serial port
223 223  
224 -=== 1.8.1  Hardware and Software Connection ===
210 +[[image:image-20220602153146-3.png]]
225 225  
212 +Press the reset switch RST on the LA66 LoRa Shield.
213 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
226 226  
215 +[[image:image-20220602154928-5.png]]
227 227  
228 -==== (% style="color:blue" %)**Overview：**(%%) ====
217 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
229 229  
219 +example: AT+SENDB=01,02,8,05820802581ea0a5
230 230  
231 -(((
232 -DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
221 +[[image:image-20220602160339-6.png]]
233 233  
234 -* Send real-time location information of mobile phone to LoRaWAN network.
235 -* Check LoRaWAN network signal strengh.
236 -* Manually send messages to LoRaWAN network.
237 -)))
223 +Check to see if TTN received the message
238 238  
225 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
239 239  
227 +=== Install Minicom ===
240 240  
229 +Enter the following command in the RPI terminal
241 241  
242 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
231 +apt update
243 243  
233 +[[image:image-20220602143155-1.png]]
244 244  
245 -A USB to Type-C adapter is needed to connect to a Mobile phone.
235 +apt install minicom
246 246  
247 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
237 +[[image:image-20220602143744-2.png]]
248 248  
249 -[[image:image-20220813174353-2.png||height="360" width="313"]]
239 +=== Send PC's CPU/RAM usage to TTN via script. ===
250 250  
241 +==== Take python as an example： ====
251 251  
243 +===== Preconditions: =====
252 252  
253 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
245 +1.LA66 USB LoRaWAN Adapter works fine
254 254  
247 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
255 255  
256 -[[(% 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)
249 +===== Steps for usage =====
257 257  
258 -[[image:image-20220813173738-1.png]]
251 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
259 259  
253 +2.Run the script and see the TTN
260 260  
255 +[[image:image-20220602115852-3.png]]
261 261  
262 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
263 263  
264 264  
265 -Function and page introduction
259 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
266 266  
267 267  
268 -[[image:image-20220723113448-7.png||height="995" width="450"]]
262 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
269 269  
270 -**Block Explain:**
271 -
272 -1.  Display LA66 USB LoRaWAN Module connection status
273 -
274 -2.  Check and reconnect
275 -
276 -3.  Turn send timestamps on or off
277 -
278 -4.  Display LoRaWan connection status
279 -
280 -5.  Check LoRaWan connection status
281 -
282 -6.  The RSSI value of the node when the ACK is received
283 -
284 -7.  Node's Signal Strength Icon
285 -
286 -8.  Configure Location Uplink Interval
287 -
288 -9.  AT command input box
289 -
290 -10.  Send Button:  Send input box info to LA66 USB Adapter
291 -
292 -11.  Output Log from LA66 USB adapter
293 -
294 -12.  clear log button
295 -
296 -13.  exit button
297 -
298 -
299 -
300 -LA66 USB LoRaWAN Module not connected
301 -
302 -
303 -[[image:image-20220723110520-5.png||height="677" width="508"]]
304 -
305 -
306 -
307 -Connect LA66 USB LoRaWAN Module
308 -
309 -[[image:image-20220723110626-6.png||height="681" width="511"]]
310 -
311 -
312 -
313 -=== 1.8.2  Send data to TTNv3 and plot location info in Node-Red ===
314 -
315 -
316 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
317 -
318 -
319 -[[image:image-20220723134549-8.png]]
320 -
321 -
322 -
323 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
324 -
325 -
326 -Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
327 -
328 -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/]]
329 -
330 -After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
331 -
332 -
333 -Example output in NodeRed is as below:
334 -
335 -[[image:image-20220723144339-1.png]]
336 -
337 -
338 -
339 -== 1.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
340 -
341 -
342 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
343 -
344 -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)
345 -
346 -
347 -[[image:image-20220723150132-2.png]]
348 -
349 -
350 -
351 -= 2.  FAQ =
352 -
353 -
354 -== 2.1  How to Compile Source Code for LA66? ==
355 -
356 -
357 -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]]
358 -
359 -
360 -
361 -= 3.  Order Info =
362 -
363 -
364 -**Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
365 -
366 -
367 -(% style="color:blue" %)**XXX**(%%): The default frequency band
368 -
369 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
370 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
371 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
372 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
373 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
374 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
375 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
376 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
377 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
378 -
379 -
380 -
381 -
382 -= 4.  Reference =
383 -
384 -
385 -* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
386 -
387 -
388 388  
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