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Last modified by Xiaoling on 2025/02/07 16:37
From version 153.1
edited by Bei Jinggeng
on 2022/09/09 15:15
Change comment: Uploaded new attachment "image-20220909151517-2.png", version {1}
To version 62.1
edited by Herong Lu
on 2022/06/02 17:19
Change comment: There is no comment for this version

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Title
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1 -LA66 USB LoRaWAN Adapter User Manual
1 +LA66 LoRaWAN Module
Author
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1 -XWiki.Bei
1 +XWiki.Lu
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 +**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.
9 9  
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.
10 10  
11 -= 1.  LA66 USB LoRaWAN Adapter =
13 +**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
12 12  
13 13  
14 -== 1.1  Overview ==
15 15  
17 +== Specification ==
16 16  
17 -[[image:image-20220715001142-3.png||height="145" width="220"]]
19 +[[image:image-20220517072526-1.png]]
18 18  
21 +Input Power Range: 1.8v ~~ 3.7v
19 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 +Power Consumption: < 4uA.
23 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 -)))
25 +Frequency Range: 150 MHz ~~ 960 MHz
27 27  
28 -(((
29 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
30 -)))
27 +Maximum Power +22 dBm constant RF output
31 31  
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 -)))
29 +High sensitivity: -148 dBm
35 35  
36 -(((
37 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
38 -)))
31 +Temperature:
39 39  
33 +* Storage: -55 ~~ +125℃
34 +* Operating: -40 ~~ +85℃
40 40  
36 +Humidity:
41 41  
42 -== 1.2  Features ==
38 +* Storage: 5 ~~ 95% (Non-Condensing)
39 +* Operating: 10 ~~ 95% (Non-Condensing)
43 43  
41 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
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.
43 +LoRa Rx current: <9 mA
56 56  
57 -== 1.3  Specification ==
45 +I/O Voltage: 3.3v
58 58  
59 59  
60 -* CPU: 32-bit 48 MHz
61 -* Flash: 256KB
62 -* RAM: 64KB
63 -* Input Power Range: 5v
64 -* Frequency Range: 150 MHz ~~ 960 MHz
65 -* Maximum Power +22 dBm constant RF output
66 -* High sensitivity: -148 dBm
67 -* Temperature:
68 -** Storage: -55 ~~ +125℃
69 -** Operating: -40 ~~ +85℃
70 -* Humidity:
71 -** Storage: 5 ~~ 95% (Non-Condensing)
72 -** Operating: 10 ~~ 95% (Non-Condensing)
73 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
74 -* LoRa Rx current: <9 mA
48 +== AT Command ==
75 75  
76 -== 1.4  Pin Mapping & LED ==
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.
77 77  
78 78  
79 -[[image:image-20220813183239-3.png||height="526" width="662"]]
53 +== Pin Mapping ==
80 80  
55 +[[image:image-20220523101537-1.png]]
81 81  
57 +== Land Pattern ==
82 82  
83 -== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
59 +[[image:image-20220517072821-2.png]]
84 84  
85 85  
86 -(((
87 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
88 -)))
62 +== Part Number ==
89 89  
64 +Part Number: **LA66-XXX**
90 90  
91 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
66 +**XX**: The default frequency band
92 92  
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
93 93  
94 -[[image:image-20220723100027-1.png]]
77 += LA66 LoRaWAN Shield =
95 95  
79 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
96 96  
97 -Open the serial port tool
81 +== Pin Mapping & LED ==
98 98  
99 -[[image:image-20220602161617-8.png]]
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
100 100  
101 -[[image:image-20220602161718-9.png||height="457" width="800"]]
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
102 102  
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
103 103  
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
104 104  
105 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
91 +=== what needs to be used ===
106 106  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
107 107  
108 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
95 +2.Arduino
109 109  
97 +3.USB TO TTL
110 110  
111 -[[image:image-20220602161935-10.png||height="498" width="800"]]
99 +[[image:image-20220602100052-2.png]]
112 112  
101 +=== Wiring Schematic ===
113 113  
103 +[[image:image-20220602101311-3.png]]
114 114  
115 -(% style="color:blue" %)**3. See Uplink Command**
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
116 116  
107 +GND  >>>>>>>>>>>>GND
117 117  
118 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
109 +TXD  >>>>>>>>>>>>TXD
119 119  
120 -example: AT+SENDB=01,02,8,05820802581ea0a5
111 +RXD  >>>>>>>>>>>>RXD
121 121  
122 -[[image:image-20220602162157-11.png||height="497" width="800"]]
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
123 123  
115 +Connect to the PC after connecting the wires
124 124  
117 +[[image:image-20220602102240-4.png]]
125 125  
126 -(% style="color:blue" %)**4. Check to see if TTN received the message**
119 +=== Upgrade steps ===
127 127  
121 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
128 128  
129 -[[image:image-20220817093644-1.png]]
123 +[[image:image-20220602102824-5.png]]
130 130  
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
131 131  
127 +[[image:image-20220602104701-12.png]]
132 132  
133 -== 1.6  Example: Send PC's CPU/RAM usage to TTN via python ==
129 +==== Open the upgrade application software ====
134 134  
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/]]
135 135  
136 -**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]]
133 +[[image:image-20220602103227-6.png]]
137 137  
138 -(**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]])
135 +[[image:image-20220602103357-7.png]]
139 139  
137 +===== Select the COM port corresponding to USB TTL =====
140 140  
141 -(% style="color:red" %)**Preconditions:**
139 +[[image:image-20220602103844-8.png]]
142 142  
143 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
141 +===== Select the bin file to burn =====
144 144  
145 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
143 +[[image:image-20220602104144-9.png]]
146 146  
145 +[[image:image-20220602104251-10.png]]
147 147  
147 +[[image:image-20220602104402-11.png]]
148 148  
149 -(% style="color:blue" %)**Steps for usage:**
149 +===== Click to start the download =====
150 150  
151 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
151 +[[image:image-20220602104923-13.png]]
152 152  
153 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
153 +===== The following figure appears to prove that the burning is in progress =====
154 154  
155 +[[image:image-20220602104948-14.png]]
155 155  
156 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
157 +===== The following picture appears to prove that the burning is successful =====
157 157  
159 +[[image:image-20220602105251-15.png]]
158 158  
161 += LA66 USB LoRaWAN Adapter =
159 159  
160 -== 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
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.
161 161  
165 +Before use, please make sure that the computer has installed the CP2102 driver
162 162  
163 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
167 +== Pin Mapping & LED ==
164 164  
169 +== Example Send & Get Messages via LoRaWAN in PC ==
165 165  
166 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
171 +Connect the LA66 LoRa Shield to the PC
167 167  
173 +[[image:image-20220602171217-1.png||height="615" width="915"]]
168 168  
169 -[[image:image-20220723100439-2.png]]
175 +Open the serial port tool
170 170  
177 +[[image:image-20220602161617-8.png]]
171 171  
179 +[[image:image-20220602161718-9.png||height="529" width="927"]]
172 172  
173 -(% style="color:blue" %)**2. Install Minicom in RPi.**
181 +Press the reset switch RST on the LA66 LoRa Shield.
174 174  
183 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
175 175  
176 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
185 +[[image:image-20220602161935-10.png]]
177 177  
178 - (% style="background-color:yellow" %)**apt update**
187 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
179 179  
180 - (% style="background-color:yellow" %)**apt install minicom**
189 +example: AT+SENDB=01,02,8,05820802581ea0a5
181 181  
191 +[[image:image-20220602162157-11.png]]
182 182  
183 -Use minicom to connect to the RPI's terminal
193 +Check to see if TTN received the message
184 184  
185 -[[image:image-20220602153146-3.png||height="439" width="500"]]
195 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
186 186  
197 +== Example Send & Get Messages via LoRaWAN in RPi ==
187 187  
199 +Connect the LA66 LoRa Shield to the RPI
188 188  
189 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
201 +[[image:image-20220602171233-2.png||height="592" width="881"]]
190 190  
203 +Log in to the RPI's terminal and connect to the serial port
191 191  
192 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
205 +[[image:image-20220602153146-3.png]]
193 193  
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
194 194  
195 -[[image:image-20220602154928-5.png||height="436" width="500"]]
210 +[[image:image-20220602154928-5.png]]
196 196  
212 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
197 197  
198 -
199 -(% style="color:blue" %)**4. Send Uplink message**
200 -
201 -
202 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
203 -
204 204  example: AT+SENDB=01,02,8,05820802581ea0a5
205 205  
216 +[[image:image-20220602160339-6.png]]
206 206  
207 -[[image:image-20220602160339-6.png||height="517" width="600"]]
208 -
209 -
210 -
211 211  Check to see if TTN received the message
212 212  
213 -[[image:image-20220602160627-7.png||height="369" width="800"]]
220 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
214 214  
222 +=== Install Minicom ===
215 215  
224 +Enter the following command in the RPI terminal
216 216  
217 -== 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
226 +apt update
218 218  
228 +[[image:image-20220602143155-1.png]]
219 219  
220 -=== 1.8.1  Hardware and Software Connection ===
230 +apt install minicom
221 221  
232 +[[image:image-20220602143744-2.png]]
222 222  
234 +=== Send PC's CPU/RAM usage to TTN via script. ===
223 223  
224 -==== (% style="color:blue" %)**Overview：**(%%) ====
236 +==== Take python as an example： ====
225 225  
238 +===== Preconditions: =====
226 226  
227 -(((
228 -DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
240 +1.LA66 USB LoRaWAN Adapter works fine
229 229  
230 -* Send real-time location information of mobile phone to LoRaWAN network.
231 -* Check LoRaWAN network signal strengh.
232 -* Manually send messages to LoRaWAN network.
233 -)))
242 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
234 234  
244 +===== Steps for usage =====
235 235  
246 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
236 236  
237 237  
238 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
249 +2.Run the script and see the TTN
239 239  
251 +[[image:image-20220602115852-3.png]]
240 240  
241 -A USB to Type-C adapter is needed to connect to a Mobile phone.
242 242  
243 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
244 244  
245 -[[image:image-20220813174353-2.png||height="360" width="313"]]
255 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
246 246  
247 247  
248 -
249 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
250 -
251 -
252 -[[(% 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)
253 -
254 -[[image:image-20220813173738-1.png]]
255 -
256 -
257 -
258 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
259 -
260 -
261 -Function and page introduction
262 -
263 -
264 -[[image:image-20220723113448-7.png||height="995" width="450"]]
265 -
266 -**Block Explain:**
267 -
268 -1.  Display LA66 USB LoRaWAN Module connection status
269 -
270 -2.  Check and reconnect
271 -
272 -3.  Turn send timestamps on or off
273 -
274 -4.  Display LoRaWan connection status
275 -
276 -5.  Check LoRaWan connection status
277 -
278 -6.  The RSSI value of the node when the ACK is received
279 -
280 -7.  Node's Signal Strength Icon
281 -
282 -8.  Configure Location Uplink Interval
283 -
284 -9.  AT command input box
285 -
286 -10.  Send Button:  Send input box info to LA66 USB Adapter
287 -
288 -11.  Output Log from LA66 USB adapter
289 -
290 -12.  clear log button
291 -
292 -13.  exit button
293 -
294 -
295 -
296 -LA66 USB LoRaWAN Module not connected
297 -
298 -
299 -[[image:image-20220723110520-5.png||height="677" width="508"]]
300 -
301 -
302 -
303 -Connect LA66 USB LoRaWAN Module
304 -
305 -[[image:image-20220723110626-6.png||height="681" width="511"]]
306 -
307 -
308 -
309 -=== 1.8.2  Send data to TTNv3 and plot location info in Node-Red ===
310 -
311 -
312 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
313 -
314 -
315 -[[image:image-20220723134549-8.png]]
316 -
317 -
318 -
319 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
320 -
321 -
322 -Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
323 -
324 -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/]]
325 -
326 -After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
327 -
328 -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]]
329 -
330 -
331 -Example output in NodeRed is as below:
332 -
333 -[[image:image-20220723144339-1.png]]
334 -
335 -
336 -
337 -== 1.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
338 -
339 -
340 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
341 -
342 -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)
343 -
344 -
345 -[[image:image-20220723150132-2.png]]
346 -
347 -
348 -
349 -= 2.  FAQ =
350 -
351 -
352 -== 2.1  How to Compile Source Code for LA66? ==
353 -
354 -
355 -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]]
356 -
357 -
358 -
359 -= 3.  Order Info =
360 -
361 -
362 -**Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
363 -
364 -
365 -(% style="color:blue" %)**XXX**(%%): The default frequency band
366 -
367 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
368 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
369 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
370 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
371 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
372 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
373 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
374 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
375 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
376 -
377 -
378 -= 4.  Reference =
379 -
380 -
381 -* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
382 -* Mobile Phone App Source Code: [[Download>>https://github.com/dragino/LA66_Mobile_App]].
383 -
384 -
258 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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