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Last modified by Xiaoling on 2025/02/07 16:37
From version 64.1
edited by Edwin Chen
on 2022/07/02 21:03
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To version 146.5
edited by Xiaoling
on 2022/08/16 14:51
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.Edwin
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 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.
10 10  
11 -**LA66 **is a ready-to-use module that includes the 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 for developers to make a LoRaWAN End device. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
12 12  
11 += 1.  LA66 USB LoRaWAN Adapter =
13 13  
14 -LA66 is equipped with **TCXO crystal** which ensures the module can achieve the stable performance in extreme temperatures.
15 15  
14 +== 1.1  Overview ==
16 16  
17 -**Each LA66 **module includes a world-unique OTAA key for LoRaWAN registration.
18 18  
17 +[[image:image-20220715001142-3.png||height="145" width="220"]]
19 19  
20 20  
21 -== Specification ==
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 +)))
22 22  
23 -[[image:image-20220517072526-1.png]]
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 +)))
24 24  
25 -Input Power Range: 1.8v ~~ 3.7v
28 +(((
29 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
30 +)))
26 26  
27 -Power Consumption: < 4uA.
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 +)))
28 28  
29 -Frequency Range: 150 MHz ~~ 960 MHz
36 +(((
37 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
38 +)))
30 30  
31 -Maximum Power +22 dBm constant RF output
32 32  
33 -High sensitivity: -148 dBm
34 34  
35 -Temperature:
42 +== 1.2  Features ==
36 36  
37 -* Storage: -55 ~~ +125℃
38 -* Operating: -40 ~~ +85℃
39 39  
40 -Humidity:
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.
41 41  
42 -* Storage: 5 ~~ 95% (Non-Condensing)
43 -* Operating: 10 ~~ 95% (Non-Condensing)
44 44  
45 -LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
46 46  
47 -LoRa Rx current: <9 mA
48 48  
49 -I/O Voltage: 3.3v
60 +== 1.3  Specification ==
50 50  
51 51  
52 -== AT Command ==
63 +* CPU: 32-bit 48 MHz
64 +* Flash: 256KB
65 +* RAM: 64KB
66 +* Input Power Range: 5v
67 +* Frequency Range: 150 MHz ~~ 960 MHz
68 +* Maximum Power +22 dBm constant RF output
69 +* High sensitivity: -148 dBm
70 +* Temperature:
71 +** Storage: -55 ~~ +125℃
72 +** Operating: -40 ~~ +85℃
73 +* Humidity:
74 +** Storage: 5 ~~ 95% (Non-Condensing)
75 +** Operating: 10 ~~ 95% (Non-Condensing)
76 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
77 +* LoRa Rx current: <9 mA
53 53  
54 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
55 55  
56 56  
57 -== Pin Mapping ==
58 58  
59 -[[image:image-20220523101537-1.png]]
82 +== 1.4  Pin Mapping & LED ==
60 60  
61 -== Land Pattern ==
84 +[[image:image-20220813183239-3.png||height="526" width="662"]]
62 62  
63 -[[image:image-20220517072821-2.png]]
64 64  
65 65  
66 -== Part Number ==
88 +== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
67 67  
68 -Part Number: **LA66-XXX**
69 69  
70 -**XX**: The default frequency band
91 +(((
92 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
93 +)))
71 71  
72 -* **AS923**: LoRaWAN AS923 band
73 -* **AU915**: LoRaWAN AU915 band
74 -* **EU433**: LoRaWAN EU433 band
75 -* **EU868**: LoRaWAN EU868 band
76 -* **KR920**: LoRaWAN KR920 band
77 -* **US915**: LoRaWAN US915 band
78 -* **IN865**: LoRaWAN IN865 band
79 -* **CN470**: LoRaWAN CN470 band
80 80  
81 -= LA66 LoRaWAN Shield =
96 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
82 82  
83 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
84 84  
85 -== Pin Mapping & LED ==
99 +[[image:image-20220723100027-1.png]]
86 86  
87 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
88 88  
89 -== Example: Join TTN network and send an uplink message, get downlink message. ==
102 +Open the serial port tool
90 90  
91 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
104 +[[image:image-20220602161617-8.png]]
92 92  
93 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
106 +[[image:image-20220602161718-9.png||height="457" width="800"]]
94 94  
95 -=== what needs to be used ===
96 96  
97 -1.LA66 LoRaWAN Shield that needs to be upgraded
98 98  
99 -2.Arduino
110 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
100 100  
101 -3.USB TO TTL
112 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
102 102  
103 -[[image:image-20220602100052-2.png]]
104 104  
105 -=== Wiring Schematic ===
115 +[[image:image-20220602161935-10.png||height="498" width="800"]]
106 106  
107 -[[image:image-20220602101311-3.png]]
108 108  
109 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
110 110  
111 -GND  >>>>>>>>>>>>GND
119 +(% style="color:blue" %)**3. See Uplink Command**
112 112  
113 -TXD  >>>>>>>>>>>>TXD
121 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
114 114  
115 -RXD  >>>>>>>>>>>>RXD
123 +example: AT+SENDB=01,02,8,05820802581ea0a5
116 116  
117 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
125 +[[image:image-20220602162157-11.png||height="497" width="800"]]
118 118  
119 -Connect to the PC after connecting the wires
120 120  
121 -[[image:image-20220602102240-4.png]]
122 122  
123 -=== Upgrade steps ===
129 +(% style="color:blue" %)**4. Check to see if TTN received the message**
124 124  
125 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
131 +[[image:image-20220602162331-12.png||height="420" width="800"]]
126 126  
127 -[[image:image-20220602102824-5.png]]
128 128  
129 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
130 130  
131 -[[image:image-20220602104701-12.png]]
135 +== 1.6  Example: Send PC's CPU/RAM usage to TTN via python ==
132 132  
133 -==== Open the upgrade application software ====
134 134  
135 -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/]]
138 +**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]]
136 136  
137 -[[image:image-20220602103227-6.png]]
140 +(**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]])
138 138  
139 -[[image:image-20220602103357-7.png]]
142 +(% style="color:red" %)**Preconditions:**
140 140  
141 -===== Select the COM port corresponding to USB TTL =====
144 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
142 142  
143 -[[image:image-20220602103844-8.png]]
146 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
144 144  
145 -===== Select the bin file to burn =====
146 146  
147 -[[image:image-20220602104144-9.png]]
148 148  
149 -[[image:image-20220602104251-10.png]]
150 +(% style="color:blue" %)**Steps for usage:**
150 150  
151 -[[image:image-20220602104402-11.png]]
152 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
152 152  
153 -===== Click to start the download =====
154 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
154 154  
155 -[[image:image-20220602104923-13.png]]
156 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
156 156  
157 -===== The following figure appears to prove that the burning is in progress =====
158 158  
159 -[[image:image-20220602104948-14.png]]
160 160  
161 -===== The following picture appears to prove that the burning is successful =====
160 +== 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
162 162  
163 -[[image:image-20220602105251-15.png]]
164 164  
165 -= LA66 USB LoRaWAN Adapter =
163 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
166 166  
167 -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  
169 -Before use, please make sure that the computer has installed the CP2102 driver
166 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
170 170  
171 -== Pin Mapping & LED ==
168 +[[image:image-20220723100439-2.png]]
172 172  
173 -== Example Send & Get Messages via LoRaWAN in PC ==
174 174  
175 -Connect the LA66 LoRa Shield to the PC
176 176  
177 -[[image:image-20220602171217-1.png||height="615" width="915"]]
172 +(% style="color:blue" %)**2. Install Minicom in RPi.**
178 178  
179 -Open the serial port tool
174 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
180 180  
181 -[[image:image-20220602161617-8.png]]
176 + (% style="background-color:yellow" %)**apt update**
182 182  
183 -[[image:image-20220602161718-9.png||height="529" width="927"]]
178 + (% style="background-color:yellow" %)**apt install minicom**
184 184  
185 -Press the reset switch RST on the LA66 LoRa Shield.
186 186  
187 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
181 +Use minicom to connect to the RPI's terminal
188 188  
189 -[[image:image-20220602161935-10.png]]
183 +[[image:image-20220602153146-3.png||height="439" width="500"]]
190 190  
191 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
192 192  
186 +
187 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
188 +
189 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
190 +
191 +
192 +[[image:image-20220602154928-5.png||height="436" width="500"]]
193 +
194 +
195 +
196 +(% style="color:blue" %)**4. Send Uplink message**
197 +
198 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
199 +
193 193  example: AT+SENDB=01,02,8,05820802581ea0a5
194 194  
195 -[[image:image-20220602162157-11.png]]
196 196  
203 +[[image:image-20220602160339-6.png||height="517" width="600"]]
204 +
205 +
206 +
197 197  Check to see if TTN received the message
198 198  
199 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
209 +[[image:image-20220602160627-7.png||height="369" width="800"]]
200 200  
201 -== Example Send & Get Messages via LoRaWAN in RPi ==
202 202  
203 -Connect the LA66 LoRa Shield to the RPI
204 204  
205 -[[image:image-20220602171233-2.png||height="592" width="881"]]
213 +== 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
206 206  
207 -Log in to the RPI's terminal and connect to the serial port
208 208  
209 -[[image:image-20220602153146-3.png]]
216 +=== 1.8.1  Hardware and Software Connection ===
210 210  
211 -Press the reset switch RST on the LA66 LoRa Shield.
212 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
213 213  
214 -[[image:image-20220602154928-5.png]]
215 215  
216 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
220 +==== (% style="color:blue" %)**Overview：**(%%) ====
217 217  
218 -example: AT+SENDB=01,02,8,05820802581ea0a5
219 219  
220 -[[image:image-20220602160339-6.png]]
223 +(((
224 +DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
221 221  
222 -Check to see if TTN received the message
226 +* Send real-time location information of mobile phone to LoRaWAN network.
227 +* Check LoRaWAN network signal strengh.
228 +* Manually send messages to LoRaWAN network.
229 +)))
223 223  
224 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
225 225  
226 -=== Install Minicom ===
227 227  
228 -Enter the following command in the RPI terminal
229 229  
230 -apt update
234 +==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
231 231  
232 -[[image:image-20220602143155-1.png]]
236 +A USB to Type-C adapter is needed to connect to a Mobile phone.
233 233  
234 -apt install minicom
238 +Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
235 235  
236 -[[image:image-20220602143744-2.png]]
240 +[[image:image-20220813174353-2.png||height="360" width="313"]]
237 237  
238 -=== Send PC's CPU/RAM usage to TTN via script. ===
239 239  
240 -==== Take python as an example： ====
241 241  
242 -===== Preconditions: =====
244 +==== (% style="color:blue" %)**Download and Install App:**(%%) ====
243 243  
244 -1.LA66 USB LoRaWAN Adapter works fine
246 +[[(% 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)
245 245  
246 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
248 +[[image:image-20220813173738-1.png]]
247 247  
248 -===== Steps for usage =====
249 249  
250 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
251 251  
252 -2.Run the script and see the TTN
252 +==== (% style="color:blue" %)**Use of APP:**(%%) ====
253 253  
254 -[[image:image-20220602115852-3.png]]
254 +Function and page introduction
255 255  
256 +[[image:image-20220723113448-7.png||height="995" width="450"]]
256 256  
258 +**Block Explain:**
257 257  
258 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
260 +1.  Display LA66 USB LoRaWAN Module connection status
259 259  
262 +2.  Check and reconnect
260 260  
261 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
264 +3.  Turn send timestamps on or off
262 262  
263 -
266 +4.  Display LoRaWan connection status
267 +
268 +5.  Check LoRaWan connection status
269 +
270 +6.  The RSSI value of the node when the ACK is received
271 +
272 +7.  Node's Signal Strength Icon
273 +
274 +8.  Configure Location Uplink Interval
275 +
276 +9.  AT command input box
277 +
278 +10.  Send Button:  Send input box info to LA66 USB Adapter
279 +
280 +11.  Output Log from LA66 USB adapter
281 +
282 +12.  clear log button
283 +
284 +13.  exit button
285 +
286 +
287 +LA66 USB LoRaWAN Module not connected
288 +
289 +[[image:image-20220723110520-5.png||height="677" width="508"]]
290 +
291 +
292 +
293 +Connect LA66 USB LoRaWAN Module
294 +
295 +[[image:image-20220723110626-6.png||height="681" width="511"]]
296 +
297 +
298 +
299 +=== 1.8.2 Send data to TTNv3 and plot location info in Node-Red ===
300 +
301 +
302 +(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
303 +
304 +[[image:image-20220723134549-8.png]]
305 +
306 +
307 +
308 +(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
309 +
310 +Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
311 +
312 +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/]]
313 +
314 +After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
315 +
316 +
317 +Example output in NodeRed is as below:
318 +
319 +[[image:image-20220723144339-1.png]]
320 +
321 +
322 +
323 +== 1.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
324 +
325 +
326 +The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
327 +
328 +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)
329 +
330 +[[image:image-20220723150132-2.png]]
331 +
332 +
333 +
334 += 2.  FAQ =
335 +
336 +
337 +== 2.1  How to Compile Source Code for LA66? ==
338 +
339 +
340 +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]]
341 +
342 +
343 +
344 += 3.  Order Info =
345 +
346 +
347 +**Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
348 +
349 +
350 +(% style="color:blue" %)**XXX**(%%): The default frequency band
351 +
352 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
353 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
354 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
355 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
356 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
357 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
358 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
359 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
360 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
361 +
362 +
363 +
364 +
365 += 4.  Reference =
366 +
367 +
368 +* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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