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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
Change comment: There is no comment for this version
To version 70.1
edited by Edwin Chen
on 2022/07/02 23:51
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  
40 40  
20 +== Features ==
41 41  
42 -== 1.2  Features ==
43 -
44 -
45 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
46 -* Ultra-long RF range
47 47  * Support LoRaWAN v1.0.4 protocol
48 48  * Support peer-to-peer protocol
49 49  * TCXO crystal to ensure RF performance on low temperature
50 -* Spring RF antenna
25 +* SMD Antenna pad and i-pex antenna connector
51 51  * Available in different frequency LoRaWAN frequency bands.
52 52  * World-wide unique OTAA keys.
53 53  * AT Command via UART-TTL interface
54 54  * Firmware upgradable via UART interface
55 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
30 +* Ultra-long RF range
56 56  
57 57  
58 58  
59 -== 1.3  Specification ==
34 +== Specification ==
60 60  
61 -
62 62  * CPU: 32-bit 48 MHz
63 63  * Flash: 256KB
64 64  * RAM: 64KB
65 -* Input Power Range: 5v
39 +* Input Power Range: 1.8v ~~ 3.7v
40 +* Power Consumption: < 4uA.
66 66  * Frequency Range: 150 MHz ~~ 960 MHz
67 67  * Maximum Power +22 dBm constant RF output
68 68  * High sensitivity: -148 dBm
... ... @@ -74,315 +74,223 @@
74 74  ** Operating: 10 ~~ 95% (Non-Condensing)
75 75  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
76 76  * LoRa Rx current: <9 mA
52 +* I/O Voltage: 3.3v
77 77  
54 +== AT Command ==
78 78  
56 +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 -== 1.4  Pin Mapping & LED ==
81 81  
59 +== Dimension ==
82 82  
83 -[[image:image-20220813183239-3.png||height="526" width="662"]]
61 +[[image:image-20220517072526-1.png]]
84 84  
85 85  
64 +== Pin Mapping ==
86 86  
87 -== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
66 +[[image:image-20220523101537-1.png]]
88 88  
68 +== Land Pattern ==
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 -)))
70 +[[image:image-20220517072821-2.png]]
93 93  
94 94  
95 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
73 +== Part Number ==
96 96  
75 +Part Number: **LA66-XXX**
97 97  
98 -[[image:image-20220723100027-1.png]]
77 +**XX**: The default frequency band
99 99  
79 +* **AS923**: LoRaWAN AS923 band
80 +* **AU915**: LoRaWAN AU915 band
81 +* **EU433**: LoRaWAN EU433 band
82 +* **EU868**: LoRaWAN EU868 band
83 +* **KR920**: LoRaWAN KR920 band
84 +* **US915**: LoRaWAN US915 band
85 +* **IN865**: LoRaWAN IN865 band
86 +* **CN470**: LoRaWAN CN470 band
87 +* **PP**: Peer to Peer LoRa Protocol
100 100  
101 -Open the serial port tool
89 += LA66 LoRaWAN Shield =
102 102  
103 -[[image:image-20220602161617-8.png]]
91 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
104 104  
105 -[[image:image-20220602161718-9.png||height="457" width="800"]]
93 +== Pin Mapping & LED ==
106 106  
95 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
107 107  
97 +== Example: Join TTN network and send an uplink message, get downlink message. ==
108 108  
109 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
99 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
110 110  
101 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
111 111  
112 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
103 +=== what needs to be used ===
113 113  
105 +1.LA66 LoRaWAN Shield that needs to be upgraded
114 114  
115 -[[image:image-20220602161935-10.png||height="498" width="800"]]
107 +2.Arduino
116 116  
109 +3.USB TO TTL
117 117  
111 +[[image:image-20220602100052-2.png]]
118 118  
119 -(% style="color:blue" %)**3. See Uplink Command**
113 +=== Wiring Schematic ===
120 120  
115 +[[image:image-20220602101311-3.png]]
121 121  
122 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
117 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
123 123  
124 -example: AT+SENDB=01,02,8,05820802581ea0a5
119 +GND  >>>>>>>>>>>>GND
125 125  
126 -[[image:image-20220602162157-11.png||height="497" width="800"]]
121 +TXD  >>>>>>>>>>>>TXD
127 127  
123 +RXD  >>>>>>>>>>>>RXD
128 128  
125 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
129 129  
130 -(% style="color:blue" %)**4. Check to see if TTN received the message**
127 +Connect to the PC after connecting the wires
131 131  
129 +[[image:image-20220602102240-4.png]]
132 132  
133 -[[image:image-20220817093644-1.png]]
131 +=== Upgrade steps ===
134 134  
133 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
135 135  
135 +[[image:image-20220602102824-5.png]]
136 136  
137 -== 1.6  Example: Send PC's CPU/RAM usage to TTN via python ==
137 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
138 138  
139 +[[image:image-20220602104701-12.png]]
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]]
141 +==== Open the upgrade application software ====
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]])
143 +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/]]
143 143  
145 +[[image:image-20220602103227-6.png]]
144 144  
145 -(% style="color:red" %)**Preconditions:**
147 +[[image:image-20220602103357-7.png]]
146 146  
147 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
149 +===== Select the COM port corresponding to USB TTL =====
148 148  
149 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
151 +[[image:image-20220602103844-8.png]]
150 150  
153 +===== Select the bin file to burn =====
151 151  
155 +[[image:image-20220602104144-9.png]]
152 152  
153 -(% style="color:blue" %)**Steps for usage:**
157 +[[image:image-20220602104251-10.png]]
154 154  
155 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
159 +[[image:image-20220602104402-11.png]]
156 156  
157 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
161 +===== Click to start the download =====
158 158  
163 +[[image:image-20220602104923-13.png]]
159 159  
160 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
165 +===== The following figure appears to prove that the burning is in progress =====
161 161  
167 +[[image:image-20220602104948-14.png]]
162 162  
169 +===== The following picture appears to prove that the burning is successful =====
163 163  
164 -== 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
171 +[[image:image-20220602105251-15.png]]
165 165  
173 += LA66 USB LoRaWAN Adapter =
166 166  
167 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
175 +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.
168 168  
177 +Before use, please make sure that the computer has installed the CP2102 driver
169 169  
170 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
179 +== Pin Mapping & LED ==
171 171  
181 +== Example Send & Get Messages via LoRaWAN in PC ==
172 172  
173 -[[image:image-20220723100439-2.png]]
183 +Connect the LA66 LoRa Shield to the PC
174 174  
185 +[[image:image-20220602171217-1.png||height="615" width="915"]]
175 175  
187 +Open the serial port tool
176 176  
177 -(% style="color:blue" %)**2. Install Minicom in RPi.**
189 +[[image:image-20220602161617-8.png]]
178 178  
191 +[[image:image-20220602161718-9.png||height="529" width="927"]]
179 179  
180 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
193 +Press the reset switch RST on the LA66 LoRa Shield.
181 181  
182 - (% style="background-color:yellow" %)**apt update**
195 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
183 183  
184 - (% style="background-color:yellow" %)**apt install minicom**
197 +[[image:image-20220602161935-10.png]]
185 185  
199 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
186 186  
187 -Use minicom to connect to the RPI's terminal
201 +example: AT+SENDB=01,02,8,05820802581ea0a5
188 188  
189 -[[image:image-20220602153146-3.png||height="439" width="500"]]
203 +[[image:image-20220602162157-11.png]]
190 190  
205 +Check to see if TTN received the message
191 191  
207 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
192 192  
193 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
209 +== Example Send & Get Messages via LoRaWAN in RPi ==
194 194  
211 +Connect the LA66 LoRa Shield to the RPI
195 195  
196 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
213 +[[image:image-20220602171233-2.png||height="592" width="881"]]
197 197  
215 +Log in to the RPI's terminal and connect to the serial port
198 198  
199 -[[image:image-20220602154928-5.png||height="436" width="500"]]
217 +[[image:image-20220602153146-3.png]]
200 200  
219 +Press the reset switch RST on the LA66 LoRa Shield.
220 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
201 201  
222 +[[image:image-20220602154928-5.png]]
202 202  
203 -(% style="color:blue" %)**4. Send Uplink message**
224 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
204 204  
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  
228 +[[image:image-20220602160339-6.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"]]
232 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
218 218  
234 +=== Install Minicom ===
219 219  
236 +Enter the following command in the RPI terminal
220 220  
221 -== 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
238 +apt update
222 222  
240 +[[image:image-20220602143155-1.png]]
223 223  
224 -=== 1.8.1  Hardware and Software Connection ===
242 +apt install minicom
225 225  
244 +[[image:image-20220602143744-2.png]]
226 226  
246 +=== Send PC's CPU/RAM usage to TTN via script. ===
227 227  
228 -==== (% style="color:blue" %)**Overview：**(%%) ====
248 +==== Take python as an example： ====
229 229  
250 +===== Preconditions: =====
230 230  
231 -(((
232 -DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
252 +1.LA66 USB LoRaWAN Adapter works fine
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 -)))
254 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
238 238  
256 +===== Steps for usage =====
239 239  
258 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
240 240  
260 +2.Run the script and see the TTN
241 241  
242 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
262 +[[image:image-20220602115852-3.png]]
243 243  
244 244  
245 -A USB to Type-C adapter is needed to connect to a Mobile phone.
246 246  
247 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
266 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
248 248  
249 -[[image:image-20220813174353-2.png||height="360" width="313"]]
250 250  
269 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
251 251  
252 -
253 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
254 -
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)
257 -
258 -[[image:image-20220813173738-1.png]]
259 -
260 -
261 -
262 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
263 -
264 -
265 -Function and page introduction
266 -
267 -
268 -[[image:image-20220723113448-7.png||height="995" width="450"]]
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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