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Last modified by Xiaoling on 2025/02/07 16:37
From version 149.5
edited by Xiaoling
on 2022/08/17 10:01
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To version 64.1
edited by Edwin Chen
on 2022/07/02 21:03
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 +**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 +**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.
10 10  
11 -= 1.  LA66 USB LoRaWAN Adapter =
12 12  
14 +LA66 is equipped with **TCXO crystal** which ensures the module can achieve the stable performance in extreme temperatures.
13 13  
14 -== 1.1  Overview ==
15 15  
17 +**Each LA66 **module includes a world-unique OTAA key for LoRaWAN registration.
16 16  
17 -[[image:image-20220715001142-3.png||height="145" width="220"]]
18 18  
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 -)))
21 +== Specification ==
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 -)))
23 +[[image:image-20220517072526-1.png]]
27 27  
28 -(((
29 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
30 -)))
25 +Input Power Range: 1.8v ~~ 3.7v
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 -)))
27 +Power Consumption: < 4uA.
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 -)))
29 +Frequency Range: 150 MHz ~~ 960 MHz
39 39  
31 +Maximum Power +22 dBm constant RF output
40 40  
33 +High sensitivity: -148 dBm
41 41  
42 -== 1.2  Features ==
35 +Temperature:
43 43  
37 +* Storage: -55 ~~ +125℃
38 +* Operating: -40 ~~ +85℃
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.
40 +Humidity:
56 56  
42 +* Storage: 5 ~~ 95% (Non-Condensing)
43 +* Operating: 10 ~~ 95% (Non-Condensing)
57 57  
45 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
58 58  
47 +LoRa Rx current: <9 mA
59 59  
60 -== 1.3  Specification ==
49 +I/O Voltage: 3.3v
61 61  
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
52 +== AT Command ==
78 78  
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.
79 79  
80 80  
57 +== Pin Mapping ==
81 81  
82 -== 1.4  Pin Mapping & LED ==
59 +[[image:image-20220523101537-1.png]]
83 83  
84 -[[image:image-20220813183239-3.png||height="526" width="662"]]
61 +== Land Pattern ==
85 85  
63 +[[image:image-20220517072821-2.png]]
86 86  
87 87  
88 -== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
66 +== Part Number ==
89 89  
68 +Part Number: **LA66-XXX**
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 -)))
70 +**XX**: The default frequency band
94 94  
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
95 95  
96 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
81 += LA66 LoRaWAN Shield =
97 97  
83 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
98 98  
99 -[[image:image-20220723100027-1.png]]
85 +== Pin Mapping & LED ==
100 100  
87 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
101 101  
102 -Open the serial port tool
89 +== Example: Join TTN network and send an uplink message, get downlink message. ==
103 103  
104 -[[image:image-20220602161617-8.png]]
91 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
105 105  
106 -[[image:image-20220602161718-9.png||height="457" width="800"]]
93 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
107 107  
95 +=== what needs to be used ===
108 108  
97 +1.LA66 LoRaWAN Shield that needs to be upgraded
109 109  
110 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
99 +2.Arduino
111 111  
112 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
101 +3.USB TO TTL
113 113  
103 +[[image:image-20220602100052-2.png]]
114 114  
115 -[[image:image-20220602161935-10.png||height="498" width="800"]]
105 +=== Wiring Schematic ===
116 116  
107 +[[image:image-20220602101311-3.png]]
117 117  
109 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
118 118  
119 -(% style="color:blue" %)**3. See Uplink Command**
111 +GND  >>>>>>>>>>>>GND
120 120  
121 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
113 +TXD  >>>>>>>>>>>>TXD
122 122  
123 -example: AT+SENDB=01,02,8,05820802581ea0a5
115 +RXD  >>>>>>>>>>>>RXD
124 124  
125 -[[image:image-20220602162157-11.png||height="497" width="800"]]
117 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
126 126  
119 +Connect to the PC after connecting the wires
127 127  
121 +[[image:image-20220602102240-4.png]]
128 128  
129 -(% style="color:blue" %)**4. Check to see if TTN received the message**
123 +=== Upgrade steps ===
130 130  
125 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
131 131  
127 +[[image:image-20220602102824-5.png]]
132 132  
133 -[[image:image-20220817093644-1.png]]
129 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
134 134  
131 +[[image:image-20220602104701-12.png]]
135 135  
133 +==== Open the upgrade application software ====
136 136  
137 -== 1.6  Example: Send PC's CPU/RAM usage to TTN via python ==
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/]]
138 138  
137 +[[image:image-20220602103227-6.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]]
139 +[[image:image-20220602103357-7.png]]
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]])
141 +===== Select the COM port corresponding to USB TTL =====
143 143  
144 -(% style="color:red" %)**Preconditions:**
143 +[[image:image-20220602103844-8.png]]
145 145  
146 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
145 +===== Select the bin file to burn =====
147 147  
148 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
147 +[[image:image-20220602104144-9.png]]
149 149  
149 +[[image:image-20220602104251-10.png]]
150 150  
151 +[[image:image-20220602104402-11.png]]
151 151  
152 -(% style="color:blue" %)**Steps for usage:**
153 +===== Click to start the download =====
153 153  
154 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
155 +[[image:image-20220602104923-13.png]]
155 155  
156 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
157 +===== The following figure appears to prove that the burning is in progress =====
157 157  
158 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
159 +[[image:image-20220602104948-14.png]]
159 159  
161 +===== The following picture appears to prove that the burning is successful =====
160 160  
163 +[[image:image-20220602105251-15.png]]
161 161  
162 -== 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
165 += LA66 USB LoRaWAN Adapter =
163 163  
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.
164 164  
165 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
169 +Before use, please make sure that the computer has installed the CP2102 driver
166 166  
171 +== Pin Mapping & LED ==
167 167  
168 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
173 +== Example Send & Get Messages via LoRaWAN in PC ==
169 169  
170 -[[image:image-20220723100439-2.png]]
175 +Connect the LA66 LoRa Shield to the PC
171 171  
177 +[[image:image-20220602171217-1.png||height="615" width="915"]]
172 172  
179 +Open the serial port tool
173 173  
174 -(% style="color:blue" %)**2. Install Minicom in RPi.**
181 +[[image:image-20220602161617-8.png]]
175 175  
176 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
183 +[[image:image-20220602161718-9.png||height="529" width="927"]]
177 177  
178 - (% style="background-color:yellow" %)**apt update**
185 +Press the reset switch RST on the LA66 LoRa Shield.
179 179  
180 - (% style="background-color:yellow" %)**apt install minicom**
187 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
181 181  
189 +[[image:image-20220602161935-10.png]]
182 182  
183 -Use minicom to connect to the RPI's terminal
191 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
184 184  
185 -[[image:image-20220602153146-3.png||height="439" width="500"]]
186 -
187 -
188 -
189 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
190 -
191 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
192 -
193 -
194 -[[image:image-20220602154928-5.png||height="436" width="500"]]
195 -
196 -
197 -
198 -(% style="color:blue" %)**4. Send Uplink message**
199 -
200 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
201 -
202 202  example: AT+SENDB=01,02,8,05820802581ea0a5
203 203  
195 +[[image:image-20220602162157-11.png]]
204 204  
205 -[[image:image-20220602160339-6.png||height="517" width="600"]]
206 -
207 -
208 -
209 209  Check to see if TTN received the message
210 210  
211 -[[image:image-20220602160627-7.png||height="369" width="800"]]
199 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
212 212  
201 +== Example Send & Get Messages via LoRaWAN in RPi ==
213 213  
203 +Connect the LA66 LoRa Shield to the RPI
214 214  
215 -== 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
205 +[[image:image-20220602171233-2.png||height="592" width="881"]]
216 216  
207 +Log in to the RPI's terminal and connect to the serial port
217 217  
218 -=== 1.8.1  Hardware and Software Connection ===
209 +[[image:image-20220602153146-3.png]]
219 219  
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
220 220  
214 +[[image:image-20220602154928-5.png]]
221 221  
222 -==== (% style="color:blue" %)**Overview：**(%%) ====
216 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
223 223  
218 +example: AT+SENDB=01,02,8,05820802581ea0a5
224 224  
225 -(((
226 -DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
220 +[[image:image-20220602160339-6.png]]
227 227  
228 -* Send real-time location information of mobile phone to LoRaWAN network.
229 -* Check LoRaWAN network signal strengh.
230 -* Manually send messages to LoRaWAN network.
231 -)))
222 +Check to see if TTN received the message
232 232  
224 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
233 233  
226 +=== Install Minicom ===
234 234  
228 +Enter the following command in the RPI terminal
235 235  
236 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
230 +apt update
237 237  
238 -A USB to Type-C adapter is needed to connect to a Mobile phone.
232 +[[image:image-20220602143155-1.png]]
239 239  
240 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
234 +apt install minicom
241 241  
242 -[[image:image-20220813174353-2.png||height="360" width="313"]]
236 +[[image:image-20220602143744-2.png]]
243 243  
238 +=== Send PC's CPU/RAM usage to TTN via script. ===
244 244  
240 +==== Take python as an example： ====
245 245  
246 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
242 +===== Preconditions: =====
247 247  
248 -[[(% 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)
244 +1.LA66 USB LoRaWAN Adapter works fine
249 249  
250 -[[image:image-20220813173738-1.png]]
246 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
251 251  
248 +===== Steps for usage =====
252 252  
250 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
253 253  
254 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
252 +2.Run the script and see the TTN
255 255  
256 -Function and page introduction
254 +[[image:image-20220602115852-3.png]]
257 257  
258 -[[image:image-20220723113448-7.png||height="995" width="450"]]
259 259  
260 -**Block Explain:**
261 261  
262 -1.  Display LA66 USB LoRaWAN Module connection status
258 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
263 263  
264 -2.  Check and reconnect
265 265  
266 -3.  Turn send timestamps on or off
261 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
267 267  
268 -4.  Display LoRaWan connection status
269 -
270 -5.  Check LoRaWan connection status
271 -
272 -6.  The RSSI value of the node when the ACK is received
273 -
274 -7.  Node's Signal Strength Icon
275 -
276 -8.  Configure Location Uplink Interval
277 -
278 -9.  AT command input box
279 -
280 -10.  Send Button:  Send input box info to LA66 USB Adapter
281 -
282 -11.  Output Log from LA66 USB adapter
283 -
284 -12.  clear log button
285 -
286 -13.  exit button
287 -
288 -
289 -LA66 USB LoRaWAN Module not connected
290 -
291 -[[image:image-20220723110520-5.png||height="677" width="508"]]
292 -
293 -
294 -
295 -Connect LA66 USB LoRaWAN Module
296 -
297 -[[image:image-20220723110626-6.png||height="681" width="511"]]
298 -
299 -
300 -
301 -=== 1.8.2  Send data to TTNv3 and plot location info in Node-Red ===
302 -
303 -
304 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
305 -
306 -[[image:image-20220723134549-8.png]]
307 -
308 -
309 -
310 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
311 -
312 -Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
313 -
314 -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/]]
315 -
316 -After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
317 -
318 -
319 -Example output in NodeRed is as below:
320 -
321 -[[image:image-20220723144339-1.png]]
322 -
323 -
324 -
325 -== 1.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
326 -
327 -
328 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
329 -
330 -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)
331 -
332 -
333 -[[image:image-20220723150132-2.png]]
334 -
335 -
336 -
337 -= 2.  FAQ =
338 -
339 -
340 -== 2.1  How to Compile Source Code for LA66? ==
341 -
342 -
343 -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]]
344 -
345 -
346 -
347 -= 3.  Order Info =
348 -
349 -
350 -**Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
351 -
352 -
353 -(% style="color:blue" %)**XXX**(%%): The default frequency band
354 -
355 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
356 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
357 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
358 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
359 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
360 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
361 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
362 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
363 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
364 -
365 -
366 -
367 -
368 -= 4.  Reference =
369 -
370 -
371 -* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
263 +
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