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Last modified by Xiaoling on 2025/02/07 16:37
From version 149.6
edited by Xiaoling
on 2022/08/22 16:23
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To version 67.1
edited by Edwin Chen
on 2022/07/02 23:33
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  
40 40  
20 +== Features ==
41 41  
42 -== 1.2  Features ==
43 43  
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.
24 +== Specification ==
56 56  
57 -
58 -
59 -== 1.3  Specification ==
60 -
61 -
62 -* CPU: 32-bit 48 MHz
63 -* Flash: 256KB
64 -* RAM: 64KB
65 -* Input Power Range: 5v
26 +* Input Power Range: 1.8v ~~ 3.7v
27 +* Power Consumption: < 4uA.
66 66  * Frequency Range: 150 MHz ~~ 960 MHz
67 67  * Maximum Power +22 dBm constant RF output
68 68  * High sensitivity: -148 dBm
... ... @@ -74,313 +74,222 @@
74 74  ** Operating: 10 ~~ 95% (Non-Condensing)
75 75  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
76 76  * LoRa Rx current: <9 mA
39 +* I/O Voltage: 3.3v
77 77  
41 +== AT Command ==
78 78  
43 +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 -== 1.4  Pin Mapping & LED ==
81 81  
82 -[[image:image-20220813183239-3.png||height="526" width="662"]]
46 +== Dimension ==
83 83  
48 +[[image:image-20220517072526-1.png]]
84 84  
85 85  
86 -== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
51 +== Pin Mapping ==
87 87  
53 +[[image:image-20220523101537-1.png]]
88 88  
89 -(((
90 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
91 -)))
55 +== Land Pattern ==
92 92  
57 +[[image:image-20220517072821-2.png]]
93 93  
94 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
95 95  
60 +== Part Number ==
96 96  
97 -[[image:image-20220723100027-1.png]]
62 +Part Number: **LA66-XXX**
98 98  
64 +**XX**: The default frequency band
99 99  
100 -Open the serial port tool
66 +* **AS923**: LoRaWAN AS923 band
67 +* **AU915**: LoRaWAN AU915 band
68 +* **EU433**: LoRaWAN EU433 band
69 +* **EU868**: LoRaWAN EU868 band
70 +* **KR920**: LoRaWAN KR920 band
71 +* **US915**: LoRaWAN US915 band
72 +* **IN865**: LoRaWAN IN865 band
73 +* **CN470**: LoRaWAN CN470 band
101 101  
102 -[[image:image-20220602161617-8.png]]
75 += LA66 LoRaWAN Shield =
103 103  
104 -[[image:image-20220602161718-9.png||height="457" width="800"]]
77 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
105 105  
79 +== Pin Mapping & LED ==
106 106  
81 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
107 107  
108 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
83 +== Example: Join TTN network and send an uplink message, get downlink message. ==
109 109  
110 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
85 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
111 111  
87 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
112 112  
113 -[[image:image-20220602161935-10.png||height="498" width="800"]]
89 +=== what needs to be used ===
114 114  
91 +1.LA66 LoRaWAN Shield that needs to be upgraded
115 115  
93 +2.Arduino
116 116  
117 -(% style="color:blue" %)**3. See Uplink Command**
95 +3.USB TO TTL
118 118  
119 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
97 +[[image:image-20220602100052-2.png]]
120 120  
121 -example: AT+SENDB=01,02,8,05820802581ea0a5
99 +=== Wiring Schematic ===
122 122  
123 -[[image:image-20220602162157-11.png||height="497" width="800"]]
101 +[[image:image-20220602101311-3.png]]
124 124  
103 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
125 125  
105 +GND  >>>>>>>>>>>>GND
126 126  
127 -(% style="color:blue" %)**4. Check to see if TTN received the message**
107 +TXD  >>>>>>>>>>>>TXD
128 128  
109 +RXD  >>>>>>>>>>>>RXD
129 129  
111 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
130 130  
131 -[[image:image-20220817093644-1.png]]
113 +Connect to the PC after connecting the wires
132 132  
115 +[[image:image-20220602102240-4.png]]
133 133  
117 +=== Upgrade steps ===
134 134  
135 -== 1.6  Example: Send PC's CPU/RAM usage to TTN via python ==
119 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
136 136  
121 +[[image:image-20220602102824-5.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]]
123 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
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]])
125 +[[image:image-20220602104701-12.png]]
141 141  
127 +==== Open the upgrade application software ====
142 142  
143 -(% style="color:red" %)**Preconditions:**
129 +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/]]
144 144  
145 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
131 +[[image:image-20220602103227-6.png]]
146 146  
147 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
133 +[[image:image-20220602103357-7.png]]
148 148  
135 +===== Select the COM port corresponding to USB TTL =====
149 149  
137 +[[image:image-20220602103844-8.png]]
150 150  
151 -(% style="color:blue" %)**Steps for usage:**
139 +===== Select the bin file to burn =====
152 152  
153 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
141 +[[image:image-20220602104144-9.png]]
154 154  
155 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
143 +[[image:image-20220602104251-10.png]]
156 156  
145 +[[image:image-20220602104402-11.png]]
157 157  
158 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
147 +===== Click to start the download =====
159 159  
149 +[[image:image-20220602104923-13.png]]
160 160  
151 +===== The following figure appears to prove that the burning is in progress =====
161 161  
162 -== 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
153 +[[image:image-20220602104948-14.png]]
163 163  
155 +===== The following picture appears to prove that the burning is successful =====
164 164  
165 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
157 +[[image:image-20220602105251-15.png]]
166 166  
159 += LA66 USB LoRaWAN Adapter =
167 167  
168 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
161 +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.
169 169  
163 +Before use, please make sure that the computer has installed the CP2102 driver
170 170  
171 -[[image:image-20220723100439-2.png]]
165 +== Pin Mapping & LED ==
172 172  
167 +== Example Send & Get Messages via LoRaWAN in PC ==
173 173  
169 +Connect the LA66 LoRa Shield to the PC
174 174  
175 -(% style="color:blue" %)**2. Install Minicom in RPi.**
171 +[[image:image-20220602171217-1.png||height="615" width="915"]]
176 176  
173 +Open the serial port tool
177 177  
178 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
175 +[[image:image-20220602161617-8.png]]
179 179  
180 - (% style="background-color:yellow" %)**apt update**
177 +[[image:image-20220602161718-9.png||height="529" width="927"]]
181 181  
182 - (% style="background-color:yellow" %)**apt install minicom**
179 +Press the reset switch RST on the LA66 LoRa Shield.
183 183  
181 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
184 184  
185 -Use minicom to connect to the RPI's terminal
183 +[[image:image-20220602161935-10.png]]
186 186  
187 -[[image:image-20220602153146-3.png||height="439" width="500"]]
185 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
188 188  
187 +example: AT+SENDB=01,02,8,05820802581ea0a5
189 189  
189 +[[image:image-20220602162157-11.png]]
190 190  
191 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
191 +Check to see if TTN received the message
192 192  
193 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
193 193  
194 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
195 +== Example Send & Get Messages via LoRaWAN in RPi ==
195 195  
197 +Connect the LA66 LoRa Shield to the RPI
196 196  
197 -[[image:image-20220602154928-5.png||height="436" width="500"]]
199 +[[image:image-20220602171233-2.png||height="592" width="881"]]
198 198  
201 +Log in to the RPI's terminal and connect to the serial port
199 199  
203 +[[image:image-20220602153146-3.png]]
200 200  
201 -(% style="color:blue" %)**4. Send Uplink message**
205 +Press the reset switch RST on the LA66 LoRa Shield.
206 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
202 202  
208 +[[image:image-20220602154928-5.png]]
203 203  
204 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
210 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
205 205  
206 206  example: AT+SENDB=01,02,8,05820802581ea0a5
207 207  
214 +[[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"]]
218 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
216 216  
220 +=== Install Minicom ===
217 217  
222 +Enter the following command in the RPI terminal
218 218  
219 -== 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
224 +apt update
220 220  
226 +[[image:image-20220602143155-1.png]]
221 221  
222 -=== 1.8.1  Hardware and Software Connection ===
228 +apt install minicom
223 223  
230 +[[image:image-20220602143744-2.png]]
224 224  
232 +=== Send PC's CPU/RAM usage to TTN via script. ===
225 225  
226 -==== (% style="color:blue" %)**Overview：**(%%) ====
234 +==== Take python as an example： ====
227 227  
236 +===== 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:
238 +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 -)))
240 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
236 236  
242 +===== Steps for usage =====
237 237  
244 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
238 238  
246 +2.Run the script and see the TTN
239 239  
240 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
248 +[[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.
252 +== 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  
255 +== 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 -
380 -= 4.  Reference =
381 -
382 -
383 -* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
384 -
385 -
386 386  
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