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Last modified by Xiaoling on 2025/02/07 16:37
From version 150.1
edited by Edwin Chen
on 2022/08/30 19:09
Change comment: There is no comment for this version
To version 63.1
edited by Herong Lu
on 2022/06/02 17:23
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.Edwin
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  
45 +I/O Voltage: 3.3v
57 57  
58 -== 1.3  Specification ==
59 59  
48 +== AT Command ==
60 60  
61 -* CPU: 32-bit 48 MHz
62 -* Flash: 256KB
63 -* RAM: 64KB
64 -* Input Power Range: 5v
65 -* Frequency Range: 150 MHz ~~ 960 MHz
66 -* Maximum Power +22 dBm constant RF output
67 -* High sensitivity: -148 dBm
68 -* Temperature:
69 -** Storage: -55 ~~ +125℃
70 -** Operating: -40 ~~ +85℃
71 -* Humidity:
72 -** Storage: 5 ~~ 95% (Non-Condensing)
73 -** Operating: 10 ~~ 95% (Non-Condensing)
74 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
75 -* LoRa Rx current: <9 mA
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.
76 76  
77 77  
78 -== 1.4  Pin Mapping & LED ==
53 +== Pin Mapping ==
79 79  
55 +[[image:image-20220523101537-1.png]]
80 80  
81 -[[image:image-20220813183239-3.png||height="526" width="662"]]
57 +== Land Pattern ==
82 82  
59 +[[image:image-20220517072821-2.png]]
83 83  
84 84  
85 -== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
62 +== Part Number ==
86 86  
64 +Part Number: **LA66-XXX**
87 87  
88 -(((
89 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
90 -)))
66 +**XX**: The default frequency band
91 91  
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
92 92  
93 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
77 += LA66 LoRaWAN Shield =
94 94  
79 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
95 95  
96 -[[image:image-20220723100027-1.png]]
81 +== Pin Mapping & LED ==
97 97  
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
98 98  
99 -Open the serial port tool
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
100 100  
101 -[[image:image-20220602161617-8.png]]
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
102 102  
103 -[[image:image-20220602161718-9.png||height="457" width="800"]]
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
104 104  
91 +=== what needs to be used ===
105 105  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
106 106  
107 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
95 +2.Arduino
108 108  
97 +3.USB TO TTL
109 109  
110 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
99 +[[image:image-20220602100052-2.png]]
111 111  
101 +=== Wiring Schematic ===
112 112  
113 -[[image:image-20220602161935-10.png||height="498" width="800"]]
103 +[[image:image-20220602101311-3.png]]
114 114  
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
115 115  
107 +GND  >>>>>>>>>>>>GND
116 116  
117 -(% style="color:blue" %)**3. See Uplink Command**
109 +TXD  >>>>>>>>>>>>TXD
118 118  
111 +RXD  >>>>>>>>>>>>RXD
119 119  
120 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
121 121  
122 -example: AT+SENDB=01,02,8,05820802581ea0a5
115 +Connect to the PC after connecting the wires
123 123  
124 -[[image:image-20220602162157-11.png||height="497" width="800"]]
117 +[[image:image-20220602102240-4.png]]
125 125  
119 +=== Upgrade steps ===
126 126  
121 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
127 127  
128 -(% style="color:blue" %)**4. Check to see if TTN received the message**
123 +[[image:image-20220602102824-5.png]]
129 129  
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
130 130  
131 -[[image:image-20220817093644-1.png]]
127 +[[image:image-20220602104701-12.png]]
132 132  
129 +==== Open the upgrade application software ====
133 133  
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/]]
134 134  
135 -== 1.6  Example: Send PC's CPU/RAM usage to TTN via python ==
133 +[[image:image-20220602103227-6.png]]
136 136  
135 +[[image:image-20220602103357-7.png]]
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]]
137 +===== Select the COM port corresponding to USB TTL =====
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]])
139 +[[image:image-20220602103844-8.png]]
141 141  
141 +===== Select the bin file to burn =====
142 142  
143 -(% style="color:red" %)**Preconditions:**
143 +[[image:image-20220602104144-9.png]]
144 144  
145 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
145 +[[image:image-20220602104251-10.png]]
146 146  
147 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
147 +[[image:image-20220602104402-11.png]]
148 148  
149 +===== Click to start the download =====
149 149  
151 +[[image:image-20220602104923-13.png]]
150 150  
151 -(% style="color:blue" %)**Steps for usage:**
153 +===== The following figure appears to prove that the burning is in progress =====
152 152  
153 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
155 +[[image:image-20220602104948-14.png]]
154 154  
155 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
157 +===== The following picture appears to prove that the burning is successful =====
156 156  
159 +[[image:image-20220602105251-15.png]]
157 157  
158 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
161 += LA66 USB LoRaWAN Adapter =
159 159  
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.
160 160  
165 +Before use, please make sure that the computer has installed the CP2102 driver
161 161  
162 -== 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
167 +== Pin Mapping & LED ==
163 163  
169 +== Example Send & Get Messages via LoRaWAN in PC ==
164 164  
165 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
171 +Connect the LA66 LoRa Shield to the PC
166 166  
173 +[[image:image-20220602171217-1.png||height="615" width="915"]]
167 167  
168 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
175 +Open the serial port tool
169 169  
177 +[[image:image-20220602161617-8.png]]
170 170  
171 -[[image:image-20220723100439-2.png]]
179 +[[image:image-20220602161718-9.png||height="529" width="927"]]
172 172  
181 +Press the reset switch RST on the LA66 LoRa Shield.
173 173  
183 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
174 174  
175 -(% style="color:blue" %)**2. Install Minicom in RPi.**
185 +[[image:image-20220602161935-10.png]]
176 176  
187 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
177 177  
178 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
189 +example: AT+SENDB=01,02,8,05820802581ea0a5
179 179  
180 - (% style="background-color:yellow" %)**apt update**
191 +[[image:image-20220602162157-11.png]]
181 181  
182 - (% style="background-color:yellow" %)**apt install minicom**
193 +Check to see if TTN received the message
183 183  
195 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
184 184  
185 -Use minicom to connect to the RPI's terminal
197 +== Example Send & Get Messages via LoRaWAN in RPi ==
186 186  
187 -[[image:image-20220602153146-3.png||height="439" width="500"]]
199 +Connect the LA66 LoRa Shield to the RPI
188 188  
201 +[[image:image-20220602171233-2.png||height="592" width="881"]]
189 189  
203 +Log in to the RPI's terminal and connect to the serial port
190 190  
191 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
205 +[[image:image-20220602153146-3.png]]
192 192  
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
193 193  
194 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
210 +[[image:image-20220602154928-5.png]]
195 195  
212 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
196 196  
197 -[[image:image-20220602154928-5.png||height="436" width="500"]]
198 -
199 -
200 -
201 -(% style="color:blue" %)**4. Send Uplink message**
202 -
203 -
204 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
205 -
206 206  example: AT+SENDB=01,02,8,05820802581ea0a5
207 207  
216 +[[image:image-20220602160339-6.png]]
208 208  
209 -[[image:image-20220602160339-6.png||height="517" width="600"]]
210 -
211 -
212 -
213 213  Check to see if TTN received the message
214 214  
215 -[[image:image-20220602160627-7.png||height="369" width="800"]]
220 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
216 216  
222 +=== Install Minicom ===
217 217  
224 +Enter the following command in the RPI terminal
218 218  
219 -== 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
226 +apt update
220 220  
228 +[[image:image-20220602143155-1.png]]
221 221  
222 -=== 1.8.1  Hardware and Software Connection ===
230 +apt install minicom
223 223  
232 +[[image:image-20220602143744-2.png]]
224 224  
234 +=== Send PC's CPU/RAM usage to TTN via script. ===
225 225  
226 -==== (% style="color:blue" %)**Overview：**(%%) ====
236 +==== Take python as an example： ====
227 227  
238 +===== Preconditions: =====
228 228  
229 -(((
230 -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
231 231  
232 -* Send real-time location information of mobile phone to LoRaWAN network.
233 -* Check LoRaWAN network signal strengh.
234 -* Manually send messages to LoRaWAN network.
235 -)))
242 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
236 236  
244 +===== Steps for usage =====
237 237  
246 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
238 238  
248 +2.Run the script and see the TTN
239 239  
240 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
250 +[[image:image-20220602115852-3.png]]
241 241  
242 242  
243 -A USB to Type-C adapter is needed to connect to a Mobile phone.
244 244  
245 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
254 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
246 246  
247 -[[image:image-20220813174353-2.png||height="360" width="313"]]
248 248  
257 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
249 249  
250 -
251 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
252 -
253 -
254 -[[(% 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)
255 -
256 -[[image:image-20220813173738-1.png]]
257 -
258 -
259 -
260 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
261 -
262 -
263 -Function and page introduction
264 -
265 -
266 -[[image:image-20220723113448-7.png||height="995" width="450"]]
267 -
268 -**Block Explain:**
269 -
270 -1.  Display LA66 USB LoRaWAN Module connection status
271 -
272 -2.  Check and reconnect
273 -
274 -3.  Turn send timestamps on or off
275 -
276 -4.  Display LoRaWan connection status
277 -
278 -5.  Check LoRaWan connection status
279 -
280 -6.  The RSSI value of the node when the ACK is received
281 -
282 -7.  Node's Signal Strength Icon
283 -
284 -8.  Configure Location Uplink Interval
285 -
286 -9.  AT command input box
287 -
288 -10.  Send Button:  Send input box info to LA66 USB Adapter
289 -
290 -11.  Output Log from LA66 USB adapter
291 -
292 -12.  clear log button
293 -
294 -13.  exit button
295 -
296 -
297 -
298 -LA66 USB LoRaWAN Module not connected
299 -
300 -
301 -[[image:image-20220723110520-5.png||height="677" width="508"]]
302 -
303 -
304 -
305 -Connect LA66 USB LoRaWAN Module
306 -
307 -[[image:image-20220723110626-6.png||height="681" width="511"]]
308 -
309 -
310 -
311 -=== 1.8.2  Send data to TTNv3 and plot location info in Node-Red ===
312 -
313 -
314 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
315 -
316 -
317 -[[image:image-20220723134549-8.png]]
318 -
319 -
320 -
321 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
322 -
323 -
324 -Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
325 -
326 -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/]]
327 -
328 -After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the 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 -
379 -= 4.  Reference =
380 -
381 -
382 -* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
383 -* Mobile Phone App Source Code: [[Download>>https://github.com/dragino/LA66_Mobile_App]].
384 -
385 385  
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