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Last modified by Xiaoling on 2025/02/07 16:37
From version 62.1
edited by Herong Lu
on 2022/06/02 17:19
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To version 149.7
edited by Xiaoling
on 2022/08/22 16:24
Change comment: There is no comment for this version

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Title
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1 -LA66 LoRaWAN Module
1 +LA66 USB LoRaWAN Adapter User Manual
Author
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1 -XWiki.Lu
1 +XWiki.Xiaoling
Content
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1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
1 +
2 +
3 +**Table of Contents:**
4 +
2 2  {{toc/}}
3 -{{/box}}
4 4  
5 -= LA66 LoRaWAN Module =
6 6  
7 -== What is LA66 LoRaWAN Module ==
8 8  
9 -**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 LoRa 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 program, create and connect your things everywhere.
10 10  
11 -**LA66 **is a ready-to-use module which includes the LoRaWAN v1.0.4 protocol. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
12 12  
13 -**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
11 += 1.  LA66 USB LoRaWAN Adapter =
14 14  
15 15  
14 +== 1.1  Overview ==
16 16  
17 -== Specification ==
18 18  
19 -[[image:image-20220517072526-1.png]]
17 +[[image:image-20220715001142-3.png||height="145" width="220"]]
20 20  
21 -Input Power Range: 1.8v ~~ 3.7v
22 22  
23 -Power Consumption: < 4uA.
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 +)))
24 24  
25 -Frequency Range: 150 MHz ~~ 960 MHz
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 +)))
26 26  
27 -Maximum Power +22 dBm constant RF output
28 +(((
29 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
30 +)))
28 28  
29 -High sensitivity: -148 dBm
32 +(((
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 +)))
30 30  
31 -Temperature:
36 +(((
37 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
38 +)))
32 32  
33 -* Storage: -55 ~~ +125℃
34 -* Operating: -40 ~~ +85℃
35 35  
36 -Humidity:
37 37  
38 -* Storage: 5 ~~ 95% (Non-Condensing)
39 -* Operating: 10 ~~ 95% (Non-Condensing)
42 +== 1.2  Features ==
40 40  
41 -LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
42 42  
43 -LoRa Rx current: <9 mA
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.
44 44  
45 -I/O Voltage: 3.3v
46 46  
47 47  
48 -== AT Command ==
59 +== 1.3  Specification ==
49 49  
50 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
51 51  
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
52 52  
53 -== Pin Mapping ==
54 54  
55 -[[image:image-20220523101537-1.png]]
56 56  
57 -== Land Pattern ==
80 +== 1.4  Pin Mapping & LED ==
58 58  
59 -[[image:image-20220517072821-2.png]]
60 60  
83 +[[image:image-20220813183239-3.png||height="526" width="662"]]
61 61  
62 -== Part Number ==
63 63  
64 -Part Number: **LA66-XXX**
65 65  
66 -**XX**: The default frequency band
87 +== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
67 67  
68 -* **AS923**: LoRaWAN AS923 band
69 -* **AU915**: LoRaWAN AU915 band
70 -* **EU433**: LoRaWAN EU433 band
71 -* **EU868**: LoRaWAN EU868 band
72 -* **KR920**: LoRaWAN KR920 band
73 -* **US915**: LoRaWAN US915 band
74 -* **IN865**: LoRaWAN IN865 band
75 -* **CN470**: LoRaWAN CN470 band
76 76  
77 -= LA66 LoRaWAN Shield =
90 +(((
91 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
92 +)))
78 78  
79 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
80 80  
81 -== Pin Mapping & LED ==
95 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
82 82  
83 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
84 84  
85 -== Example: Join TTN network and send an uplink message, get downlink message. ==
98 +[[image:image-20220723100027-1.png]]
86 86  
87 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
88 88  
89 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
101 +Open the serial port tool
90 90  
91 -=== what needs to be used ===
103 +[[image:image-20220602161617-8.png]]
92 92  
93 -1.LA66 LoRaWAN Shield that needs to be upgraded
105 +[[image:image-20220602161718-9.png||height="457" width="800"]]
94 94  
95 -2.Arduino
96 96  
97 -3.USB TO TTL
98 98  
99 -[[image:image-20220602100052-2.png]]
109 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
100 100  
101 -=== Wiring Schematic ===
102 102  
103 -[[image:image-20220602101311-3.png]]
112 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
104 104  
105 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
106 106  
107 -GND  >>>>>>>>>>>>GND
115 +[[image:image-20220602161935-10.png||height="498" width="800"]]
108 108  
109 -TXD  >>>>>>>>>>>>TXD
110 110  
111 -RXD  >>>>>>>>>>>>RXD
112 112  
113 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
119 +(% style="color:blue" %)**3. See Uplink Command**
114 114  
115 -Connect to the PC after connecting the wires
116 116  
117 -[[image:image-20220602102240-4.png]]
122 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
118 118  
119 -=== Upgrade steps ===
124 +example: AT+SENDB=01,02,8,05820802581ea0a5
120 120  
121 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
126 +[[image:image-20220602162157-11.png||height="497" width="800"]]
122 122  
123 -[[image:image-20220602102824-5.png]]
124 124  
125 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
126 126  
127 -[[image:image-20220602104701-12.png]]
130 +(% style="color:blue" %)**4. Check to see if TTN received the message**
128 128  
129 -==== Open the upgrade application software ====
130 130  
131 -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/]]
133 +[[image:image-20220817093644-1.png]]
132 132  
133 -[[image:image-20220602103227-6.png]]
134 134  
135 -[[image:image-20220602103357-7.png]]
136 136  
137 -===== Select the COM port corresponding to USB TTL =====
137 +== 1.6  Example: Send PC's CPU/RAM usage to TTN via python ==
138 138  
139 -[[image:image-20220602103844-8.png]]
140 140  
141 -===== Select the bin file to burn =====
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]]
142 142  
143 -[[image:image-20220602104144-9.png]]
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]])
144 144  
145 -[[image:image-20220602104251-10.png]]
146 146  
147 -[[image:image-20220602104402-11.png]]
145 +(% style="color:red" %)**Preconditions:**
148 148  
149 -===== Click to start the download =====
147 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
150 150  
151 -[[image:image-20220602104923-13.png]]
149 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
152 152  
153 -===== The following figure appears to prove that the burning is in progress =====
154 154  
155 -[[image:image-20220602104948-14.png]]
156 156  
157 -===== The following picture appears to prove that the burning is successful =====
153 +(% style="color:blue" %)**Steps for usage:**
158 158  
159 -[[image:image-20220602105251-15.png]]
155 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
160 160  
161 -= LA66 USB LoRaWAN Adapter =
157 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
162 162  
163 -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.
164 164  
165 -Before use, please make sure that the computer has installed the CP2102 driver
160 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
166 166  
167 -== Pin Mapping & LED ==
168 168  
169 -== Example Send & Get Messages via LoRaWAN in PC ==
170 170  
171 -Connect the LA66 LoRa Shield to the PC
164 +== 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
172 172  
173 -[[image:image-20220602171217-1.png||height="615" width="915"]]
174 174  
175 -Open the serial port tool
167 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
176 176  
177 -[[image:image-20220602161617-8.png]]
178 178  
179 -[[image:image-20220602161718-9.png||height="529" width="927"]]
170 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
180 180  
181 -Press the reset switch RST on the LA66 LoRa Shield.
182 182  
183 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
173 +[[image:image-20220723100439-2.png]]
184 184  
185 -[[image:image-20220602161935-10.png]]
186 186  
187 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
188 188  
189 -example: AT+SENDB=01,02,8,05820802581ea0a5
177 +(% style="color:blue" %)**2. Install Minicom in RPi.**
190 190  
191 -[[image:image-20220602162157-11.png]]
192 192  
193 -Check to see if TTN received the message
180 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
194 194  
195 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
182 + (% style="background-color:yellow" %)**apt update**
196 196  
197 -== Example Send & Get Messages via LoRaWAN in RPi ==
184 + (% style="background-color:yellow" %)**apt install minicom**
198 198  
199 -Connect the LA66 LoRa Shield to the RPI
200 200  
201 -[[image:image-20220602171233-2.png||height="592" width="881"]]
187 +Use minicom to connect to the RPI's terminal
202 202  
203 -Log in to the RPI's terminal and connect to the serial port
189 +[[image:image-20220602153146-3.png||height="439" width="500"]]
204 204  
205 -[[image:image-20220602153146-3.png]]
206 206  
207 -Press the reset switch RST on the LA66 LoRa Shield.
208 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
209 209  
210 -[[image:image-20220602154928-5.png]]
193 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
211 211  
212 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
213 213  
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 +
214 214  example: AT+SENDB=01,02,8,05820802581ea0a5
215 215  
216 -[[image:image-20220602160339-6.png]]
217 217  
211 +[[image:image-20220602160339-6.png||height="517" width="600"]]
212 +
213 +
214 +
218 218  Check to see if TTN received the message
219 219  
220 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
217 +[[image:image-20220602160627-7.png||height="369" width="800"]]
221 221  
222 -=== Install Minicom ===
223 223  
224 -Enter the following command in the RPI terminal
225 225  
226 -apt update
221 +== 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
227 227  
228 -[[image:image-20220602143155-1.png]]
229 229  
230 -apt install minicom
224 +=== 1.8.1  Hardware and Software Connection ===
231 231  
232 -[[image:image-20220602143744-2.png]]
233 233  
234 -=== Send PC's CPU/RAM usage to TTN via script. ===
235 235  
236 -==== Take python as an example： ====
228 +==== (% style="color:blue" %)**Overview：**(%%) ====
237 237  
238 -===== Preconditions: =====
239 239  
240 -1.LA66 USB LoRaWAN Adapter works fine
231 +(((
232 +DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
241 241  
242 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
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 +)))
243 243  
244 -===== Steps for usage =====
245 245  
246 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
247 247  
248 248  
249 -2.Run the script and see the TTN
242 +==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
250 250  
251 -[[image:image-20220602115852-3.png]]
252 252  
245 +A USB to Type-C adapter is needed to connect to a Mobile phone.
253 253  
247 +Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
254 254  
255 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
249 +[[image:image-20220813174353-2.png||height="360" width="313"]]
256 256  
257 257  
258 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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 +
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