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Last modified by Xiaoling on 2025/02/07 16:37
From version 146.5
edited by Xiaoling
on 2022/08/16 14:51
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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  
32 +Maximum Power +22 dBm constant RF output
59 59  
60 -== 1.3  Specification ==
34 +High sensitivity: -148 dBm
61 61  
36 +Temperature:
62 62  
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
38 +* Storage: -55 ~~ +125℃
39 +* Operating: -40 ~~ +85℃
78 78  
41 +Humidity:
79 79  
43 +* Storage: 5 ~~ 95% (Non-Condensing)
44 +* Operating: 10 ~~ 95% (Non-Condensing)
80 80  
46 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
81 81  
82 -== 1.4  Pin Mapping & LED ==
48 +LoRa Rx current: <9 mA
83 83  
84 -[[image:image-20220813183239-3.png||height="526" width="662"]]
50 +I/O Voltage: 3.3v
85 85  
86 86  
53 +== AT Command ==
87 87  
88 -== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
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 90  
91 -(((
92 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
93 -)))
58 +== Pin Mapping ==
94 94  
60 +[[image:image-20220523101537-1.png]]
95 95  
96 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
62 +== Land Pattern ==
97 97  
64 +[[image:image-20220517072821-2.png]]
98 98  
99 -[[image:image-20220723100027-1.png]]
100 100  
67 +== Part Number ==
101 101  
102 -Open the serial port tool
69 +Part Number: **LA66-XXX**
103 103  
104 -[[image:image-20220602161617-8.png]]
71 +**XX**: The default frequency band
105 105  
106 -[[image:image-20220602161718-9.png||height="457" width="800"]]
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  
84 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
109 109  
110 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
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  
121 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
100 +2.Arduino
122 122  
123 -example: AT+SENDB=01,02,8,05820802581ea0a5
102 +3.USB TO TTL
124 124  
125 -[[image:image-20220602162157-11.png||height="497" width="800"]]
104 +[[image:image-20220602100052-2.png]]
126 126  
106 +=== Wiring Schematic ===
127 127  
108 +[[image:image-20220602101311-3.png]]
128 128  
129 -(% style="color:blue" %)**4. Check to see if TTN received the message**
110 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
130 130  
131 -[[image:image-20220602162331-12.png||height="420" width="800"]]
112 +GND  >>>>>>>>>>>>GND
132 132  
114 +TXD  >>>>>>>>>>>>TXD
133 133  
116 +RXD  >>>>>>>>>>>>RXD
134 134  
135 -== 1.6  Example: Send PC's CPU/RAM usage to TTN via python ==
118 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
136 136  
120 +Connect to the PC after connecting the wires
137 137  
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]]
122 +[[image:image-20220602102240-4.png]]
139 139  
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]])
124 +=== Upgrade steps ===
141 141  
142 -(% style="color:red" %)**Preconditions:**
126 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
143 143  
144 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
128 +[[image:image-20220602102824-5.png]]
145 145  
146 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
130 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
147 147  
132 +[[image:image-20220602104701-12.png]]
148 148  
134 +==== Open the upgrade application software ====
149 149  
150 -(% style="color:blue" %)**Steps for usage:**
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/]]
151 151  
152 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
138 +[[image:image-20220602103227-6.png]]
153 153  
154 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
140 +[[image:image-20220602103357-7.png]]
155 155  
156 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
142 +===== Select the COM port corresponding to USB TTL =====
157 157  
144 +[[image:image-20220602103844-8.png]]
158 158  
146 +===== Select the bin file to burn =====
159 159  
160 -== 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
148 +[[image:image-20220602104144-9.png]]
161 161  
150 +[[image:image-20220602104251-10.png]]
162 162  
163 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
152 +[[image:image-20220602104402-11.png]]
164 164  
154 +===== Click to start the download =====
165 165  
166 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
156 +[[image:image-20220602104923-13.png]]
167 167  
168 -[[image:image-20220723100439-2.png]]
158 +===== The following figure appears to prove that the burning is in progress =====
169 169  
160 +[[image:image-20220602104948-14.png]]
170 170  
162 +===== The following picture appears to prove that the burning is successful =====
171 171  
172 -(% style="color:blue" %)**2. Install Minicom in RPi.**
164 +[[image:image-20220602105251-15.png]]
173 173  
174 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
166 += LA66 USB LoRaWAN Adapter =
175 175  
176 - (% style="background-color:yellow" %)**apt update**
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.
177 177  
178 - (% style="background-color:yellow" %)**apt install minicom**
170 +Before use, please make sure that the computer has installed the CP2102 driver
179 179  
172 +== Pin Mapping & LED ==
180 180  
181 -Use minicom to connect to the RPI's terminal
174 +== Example Send & Get Messages via LoRaWAN in PC ==
182 182  
183 -[[image:image-20220602153146-3.png||height="439" width="500"]]
176 +Connect the LA66 LoRa Shield to the PC
184 184  
178 +[[image:image-20220602171217-1.png||height="615" width="915"]]
185 185  
180 +Open the serial port tool
186 186  
187 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
182 +[[image:image-20220602161617-8.png]]
188 188  
189 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
184 +[[image:image-20220602161718-9.png||height="529" width="927"]]
190 190  
186 +Press the reset switch RST on the LA66 LoRa Shield.
191 191  
192 -[[image:image-20220602154928-5.png||height="436" width="500"]]
188 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
193 193  
190 +[[image:image-20220602161935-10.png]]
194 194  
192 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
195 195  
196 -(% style="color:blue" %)**4. Send Uplink message**
197 -
198 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
199 -
200 200  example: AT+SENDB=01,02,8,05820802581ea0a5
201 201  
196 +[[image:image-20220602162157-11.png]]
202 202  
203 -[[image:image-20220602160339-6.png||height="517" width="600"]]
204 -
205 -
206 -
207 207  Check to see if TTN received the message
208 208  
209 -[[image:image-20220602160627-7.png||height="369" width="800"]]
200 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
210 210  
202 +== Example Send & Get Messages via LoRaWAN in RPi ==
211 211  
204 +Connect the LA66 LoRa Shield to the RPI
212 212  
213 -== 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
206 +[[image:image-20220602171233-2.png||height="592" width="881"]]
214 214  
208 +Log in to the RPI's terminal and connect to the serial port
215 215  
216 -=== 1.8.1  Hardware and Software Connection ===
210 +[[image:image-20220602153146-3.png]]
217 217  
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
218 218  
215 +[[image:image-20220602154928-5.png]]
219 219  
220 -==== (% style="color:blue" %)**Overview：**(%%) ====
217 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
221 221  
219 +example: AT+SENDB=01,02,8,05820802581ea0a5
222 222  
223 -(((
224 -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]]
225 225  
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 +Check to see if TTN received the message
230 230  
225 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
231 231  
227 +=== Install Minicom ===
232 232  
229 +Enter the following command in the RPI terminal
233 233  
234 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
231 +apt update
235 235  
236 -A USB to Type-C adapter is needed to connect to a Mobile phone.
233 +[[image:image-20220602143155-1.png]]
237 237  
238 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
235 +apt install minicom
239 239  
240 -[[image:image-20220813174353-2.png||height="360" width="313"]]
237 +[[image:image-20220602143744-2.png]]
241 241  
239 +=== Send PC's CPU/RAM usage to TTN via script. ===
242 242  
241 +==== Take python as an example： ====
243 243  
244 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
243 +===== Preconditions: =====
245 245  
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 +1.LA66 USB LoRaWAN Adapter works fine
247 247  
248 -[[image:image-20220813173738-1.png]]
247 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
249 249  
249 +===== Steps for usage =====
250 250  
251 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
251 251  
252 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
253 +2.Run the script and see the TTN
253 253  
254 -Function and page introduction
255 +[[image:image-20220602115852-3.png]]
255 255  
256 -[[image:image-20220723113448-7.png||height="995" width="450"]]
257 257  
258 -**Block Explain:**
259 259  
260 -1.  Display LA66 USB LoRaWAN Module connection status
259 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
261 261  
262 -2.  Check and reconnect
263 263  
264 -3.  Turn send timestamps on or off
262 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
265 265  
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]]
264 +
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