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Last modified by Xiaoling on 2025/02/07 16:37
From version 149.3
edited by Xiaoling
on 2022/08/17 09:50
Change comment: There is no comment for this version
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 -== 1.3  Specification ==
59 -
60 -
61 -* CPU: 32-bit 48 MHz
62 -* Flash: 256KB
63 -* RAM: 64KB
64 -* Input Power Range: 5v
26 +* Input Power Range: 1.8v ~~ 3.7v
27 +* Power Consumption: < 4uA.
65 65  * Frequency Range: 150 MHz ~~ 960 MHz
66 66  * Maximum Power +22 dBm constant RF output
67 67  * High sensitivity: -148 dBm
... ... @@ -73,295 +73,222 @@
73 73  ** Operating: 10 ~~ 95% (Non-Condensing)
74 74  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
75 75  * LoRa Rx current: <9 mA
39 +* I/O Voltage: 3.3v
76 76  
41 +== AT Command ==
77 77  
78 -== 1.4  Pin Mapping & LED ==
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 -[[image:image-20220813183239-3.png||height="526" width="662"]]
81 81  
46 +== Dimension ==
82 82  
48 +[[image:image-20220517072526-1.png]]
83 83  
84 -== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
85 85  
51 +== Pin Mapping ==
86 86  
87 -(((
88 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
89 -)))
53 +[[image:image-20220523101537-1.png]]
90 90  
55 +== Land Pattern ==
91 91  
92 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
57 +[[image:image-20220517072821-2.png]]
93 93  
94 94  
95 -[[image:image-20220723100027-1.png]]
60 +== Part Number ==
96 96  
62 +Part Number: **LA66-XXX**
97 97  
98 -Open the serial port tool
64 +**XX**: The default frequency band
99 99  
100 -[[image:image-20220602161617-8.png]]
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-20220602161718-9.png||height="457" width="800"]]
75 += LA66 LoRaWAN Shield =
103 103  
77 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
104 104  
79 +== Pin Mapping & LED ==
105 105  
106 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
81 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
107 107  
108 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
83 +== Example: Join TTN network and send an uplink message, get downlink message. ==
109 109  
85 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
110 110  
111 -[[image:image-20220602161935-10.png||height="498" width="800"]]
87 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
112 112  
89 +=== what needs to be used ===
113 113  
91 +1.LA66 LoRaWAN Shield that needs to be upgraded
114 114  
115 -(% style="color:blue" %)**3. See Uplink Command**
93 +2.Arduino
116 116  
117 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
95 +3.USB TO TTL
118 118  
119 -example: AT+SENDB=01,02,8,05820802581ea0a5
97 +[[image:image-20220602100052-2.png]]
120 120  
121 -[[image:image-20220602162157-11.png||height="497" width="800"]]
99 +=== Wiring Schematic ===
122 122  
101 +[[image:image-20220602101311-3.png]]
123 123  
103 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
124 124  
125 -(% style="color:blue" %)**4. Check to see if TTN received the message**
105 +GND  >>>>>>>>>>>>GND
126 126  
107 +TXD  >>>>>>>>>>>>TXD
127 127  
109 +RXD  >>>>>>>>>>>>RXD
128 128  
129 -[[image:image-20220817093644-1.png]]
111 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
130 130  
113 +Connect to the PC after connecting the wires
131 131  
115 +[[image:image-20220602102240-4.png]]
132 132  
133 -== 1.6  Example: Send PC's CPU/RAM usage to TTN via python ==
117 +=== Upgrade steps ===
134 134  
119 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
135 135  
136 -**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]]
121 +[[image:image-20220602102824-5.png]]
137 137  
138 -(**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]])
123 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
139 139  
140 -(% style="color:red" %)**Preconditions:**
125 +[[image:image-20220602104701-12.png]]
141 141  
142 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
127 +==== Open the upgrade application software ====
143 143  
144 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
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/]]
145 145  
131 +[[image:image-20220602103227-6.png]]
146 146  
133 +[[image:image-20220602103357-7.png]]
147 147  
148 -(% style="color:blue" %)**Steps for usage:**
135 +===== Select the COM port corresponding to USB TTL =====
149 149  
150 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
137 +[[image:image-20220602103844-8.png]]
151 151  
152 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
139 +===== Select the bin file to burn =====
153 153  
154 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
141 +[[image:image-20220602104144-9.png]]
155 155  
143 +[[image:image-20220602104251-10.png]]
156 156  
145 +[[image:image-20220602104402-11.png]]
157 157  
158 -== 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
147 +===== Click to start the download =====
159 159  
149 +[[image:image-20220602104923-13.png]]
160 160  
161 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
151 +===== The following figure appears to prove that the burning is in progress =====
162 162  
153 +[[image:image-20220602104948-14.png]]
163 163  
164 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
155 +===== The following picture appears to prove that the burning is successful =====
165 165  
166 -[[image:image-20220723100439-2.png]]
157 +[[image:image-20220602105251-15.png]]
167 167  
159 += LA66 USB LoRaWAN Adapter =
168 168  
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  
170 -(% style="color:blue" %)**2. Install Minicom in RPi.**
163 +Before use, please make sure that the computer has installed the CP2102 driver
171 171  
172 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
165 +== Pin Mapping & LED ==
173 173  
174 - (% style="background-color:yellow" %)**apt update**
167 +== Example Send & Get Messages via LoRaWAN in PC ==
175 175  
176 - (% style="background-color:yellow" %)**apt install minicom**
169 +Connect the LA66 LoRa Shield to the PC
177 177  
171 +[[image:image-20220602171217-1.png||height="615" width="915"]]
178 178  
179 -Use minicom to connect to the RPI's terminal
173 +Open the serial port tool
180 180  
181 -[[image:image-20220602153146-3.png||height="439" width="500"]]
175 +[[image:image-20220602161617-8.png]]
182 182  
177 +[[image:image-20220602161718-9.png||height="529" width="927"]]
183 183  
179 +Press the reset switch RST on the LA66 LoRa Shield.
184 184  
185 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
181 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
186 186  
187 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
183 +[[image:image-20220602161935-10.png]]
188 188  
185 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
189 189  
190 -[[image:image-20220602154928-5.png||height="436" width="500"]]
191 -
192 -
193 -
194 -(% style="color:blue" %)**4. Send Uplink message**
195 -
196 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
197 -
198 198  example: AT+SENDB=01,02,8,05820802581ea0a5
199 199  
189 +[[image:image-20220602162157-11.png]]
200 200  
201 -[[image:image-20220602160339-6.png||height="517" width="600"]]
202 -
203 -
204 -
205 205  Check to see if TTN received the message
206 206  
207 -[[image:image-20220602160627-7.png||height="369" width="800"]]
193 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
208 208  
195 +== Example Send & Get Messages via LoRaWAN in RPi ==
209 209  
197 +Connect the LA66 LoRa Shield to the RPI
210 210  
211 -== 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
199 +[[image:image-20220602171233-2.png||height="592" width="881"]]
212 212  
201 +Log in to the RPI's terminal and connect to the serial port
213 213  
214 -=== 1.8.1  Hardware and Software Connection ===
203 +[[image:image-20220602153146-3.png]]
215 215  
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
216 216  
208 +[[image:image-20220602154928-5.png]]
217 217  
218 -==== (% style="color:blue" %)**Overview：**(%%) ====
210 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
219 219  
212 +example: AT+SENDB=01,02,8,05820802581ea0a5
220 220  
221 -(((
222 -DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
214 +[[image:image-20220602160339-6.png]]
223 223  
224 -* Send real-time location information of mobile phone to LoRaWAN network.
225 -* Check LoRaWAN network signal strengh.
226 -* Manually send messages to LoRaWAN network.
227 -)))
216 +Check to see if TTN received the message
228 228  
218 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
229 229  
220 +=== Install Minicom ===
230 230  
222 +Enter the following command in the RPI terminal
231 231  
232 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
224 +apt update
233 233  
234 -A USB to Type-C adapter is needed to connect to a Mobile phone.
226 +[[image:image-20220602143155-1.png]]
235 235  
236 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
228 +apt install minicom
237 237  
238 -[[image:image-20220813174353-2.png||height="360" width="313"]]
230 +[[image:image-20220602143744-2.png]]
239 239  
232 +=== Send PC's CPU/RAM usage to TTN via script. ===
240 240  
234 +==== Take python as an example： ====
241 241  
242 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
236 +===== Preconditions: =====
243 243  
244 -[[(% 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)
238 +1.LA66 USB LoRaWAN Adapter works fine
245 245  
246 -[[image:image-20220813173738-1.png]]
240 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
247 247  
242 +===== Steps for usage =====
248 248  
244 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
249 249  
250 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
246 +2.Run the script and see the TTN
251 251  
252 -Function and page introduction
248 +[[image:image-20220602115852-3.png]]
253 253  
254 -[[image:image-20220723113448-7.png||height="995" width="450"]]
255 255  
256 -**Block Explain:**
257 257  
258 -1.  Display LA66 USB LoRaWAN Module connection status
252 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
259 259  
260 -2.  Check and reconnect
261 261  
262 -3.  Turn send timestamps on or off
255 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
263 263  
264 -4.  Display LoRaWan connection status
265 -
266 -5.  Check LoRaWan connection status
267 -
268 -6.  The RSSI value of the node when the ACK is received
269 -
270 -7.  Node's Signal Strength Icon
271 -
272 -8.  Configure Location Uplink Interval
273 -
274 -9.  AT command input box
275 -
276 -10.  Send Button:  Send input box info to LA66 USB Adapter
277 -
278 -11.  Output Log from LA66 USB adapter
279 -
280 -12.  clear log button
281 -
282 -13.  exit button
283 -
284 -
285 -LA66 USB LoRaWAN Module not connected
286 -
287 -[[image:image-20220723110520-5.png||height="677" width="508"]]
288 -
289 -
290 -
291 -Connect LA66 USB LoRaWAN Module
292 -
293 -[[image:image-20220723110626-6.png||height="681" width="511"]]
294 -
295 -
296 -
297 -=== 1.8.2  Send data to TTNv3 and plot location info in Node-Red ===
298 -
299 -
300 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
301 -
302 -[[image:image-20220723134549-8.png]]
303 -
304 -
305 -
306 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
307 -
308 -Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
309 -
310 -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/]]
311 -
312 -After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
313 -
314 -
315 -Example output in NodeRed is as below:
316 -
317 -[[image:image-20220723144339-1.png]]
318 -
319 -
320 -
321 -== 1.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
322 -
323 -
324 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
325 -
326 -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)
327 -
328 -[[image:image-20220723150132-2.png]]
329 -
330 -
331 -
332 -= 2.  FAQ =
333 -
334 -
335 -== 2.1  How to Compile Source Code for LA66? ==
336 -
337 -
338 -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]]
339 -
340 -
341 -
342 -= 3.  Order Info =
343 -
344 -
345 -**Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
346 -
347 -
348 -(% style="color:blue" %)**XXX**(%%): The default frequency band
349 -
350 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
351 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
352 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
353 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
354 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
355 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
356 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
357 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
358 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
359 -
360 -
361 -
362 -
363 -
364 -= 4.  Reference =
365 -
366 -
367 -* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
257 +
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