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Last modified by Xiaoling on 2025/02/07 16:37
From version 147.1
edited by Xiaoling
on 2022/08/17 08:42
Change comment: Uploaded new attachment "image-20220817084245-1.png", version {1}
To version 63.1
edited by Herong Lu
on 2022/06/02 17:23
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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.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 58  
48 +== AT Command ==
59 59  
60 -== 1.3  Specification ==
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.
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
53 +== Pin Mapping ==
78 78  
55 +[[image:image-20220523101537-1.png]]
79 79  
57 +== Land Pattern ==
80 80  
59 +[[image:image-20220517072821-2.png]]
81 81  
82 -== 1.4  Pin Mapping & LED ==
83 83  
84 -[[image:image-20220813183239-3.png||height="526" width="662"]]
62 +== Part Number ==
85 85  
64 +Part Number: **LA66-XXX**
86 86  
66 +**XX**: The default frequency band
87 87  
88 -== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
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
89 89  
77 += LA66 LoRaWAN Shield =
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 -)))
79 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
94 94  
81 +== Pin Mapping & LED ==
95 95  
96 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
97 97  
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
98 98  
99 -[[image:image-20220723100027-1.png]]
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
100 100  
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
101 101  
102 -Open the serial port tool
91 +=== what needs to be used ===
103 103  
104 -[[image:image-20220602161617-8.png]]
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
105 105  
106 -[[image:image-20220602161718-9.png||height="457" width="800"]]
95 +2.Arduino
107 107  
97 +3.USB TO TTL
108 108  
99 +[[image:image-20220602100052-2.png]]
109 109  
110 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
101 +=== Wiring Schematic ===
111 111  
112 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
103 +[[image:image-20220602101311-3.png]]
113 113  
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
114 114  
115 -[[image:image-20220602161935-10.png||height="498" width="800"]]
107 +GND  >>>>>>>>>>>>GND
116 116  
109 +TXD  >>>>>>>>>>>>TXD
117 117  
111 +RXD  >>>>>>>>>>>>RXD
118 118  
119 -(% style="color:blue" %)**3. See Uplink Command**
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
120 120  
121 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
115 +Connect to the PC after connecting the wires
122 122  
123 -example: AT+SENDB=01,02,8,05820802581ea0a5
117 +[[image:image-20220602102240-4.png]]
124 124  
125 -[[image:image-20220602162157-11.png||height="497" width="800"]]
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  
123 +[[image:image-20220602102824-5.png]]
128 128  
129 -(% style="color:blue" %)**4. Check to see if TTN received the message**
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
130 130  
131 -[[image:image-20220602162331-12.png||height="420" width="800"]]
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  
142 -(% style="color:red" %)**Preconditions:**
141 +===== Select the bin file to burn =====
143 143  
144 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
143 +[[image:image-20220602104144-9.png]]
145 145  
146 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
145 +[[image:image-20220602104251-10.png]]
147 147  
147 +[[image:image-20220602104402-11.png]]
148 148  
149 +===== Click to start the download =====
149 149  
150 -(% style="color:blue" %)**Steps for usage:**
151 +[[image:image-20220602104923-13.png]]
151 151  
152 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
153 +===== The following figure appears to prove that the burning is in progress =====
153 153  
154 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
155 +[[image:image-20220602104948-14.png]]
155 155  
156 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
157 +===== The following picture appears to prove that the burning is successful =====
157 157  
159 +[[image:image-20220602105251-15.png]]
158 158  
161 += LA66 USB LoRaWAN Adapter =
159 159  
160 -== 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
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.
161 161  
165 +Before use, please make sure that the computer has installed the CP2102 driver
162 162  
163 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
167 +== Pin Mapping & LED ==
164 164  
169 +== Example Send & Get Messages via LoRaWAN in PC ==
165 165  
166 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
171 +Connect the LA66 LoRa Shield to the PC
167 167  
168 -[[image:image-20220723100439-2.png]]
173 +[[image:image-20220602171217-1.png||height="615" width="915"]]
169 169  
175 +Open the serial port tool
170 170  
177 +[[image:image-20220602161617-8.png]]
171 171  
172 -(% style="color:blue" %)**2. Install Minicom in RPi.**
179 +[[image:image-20220602161718-9.png||height="529" width="927"]]
173 173  
174 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
181 +Press the reset switch RST on the LA66 LoRa Shield.
175 175  
176 - (% style="background-color:yellow" %)**apt update**
183 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
177 177  
178 - (% style="background-color:yellow" %)**apt install minicom**
185 +[[image:image-20220602161935-10.png]]
179 179  
187 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
180 180  
181 -Use minicom to connect to the RPI's terminal
189 +example: AT+SENDB=01,02,8,05820802581ea0a5
182 182  
183 -[[image:image-20220602153146-3.png||height="439" width="500"]]
191 +[[image:image-20220602162157-11.png]]
184 184  
193 +Check to see if TTN received the message
185 185  
195 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
186 186  
187 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
197 +== Example Send & Get Messages via LoRaWAN in RPi ==
188 188  
189 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
199 +Connect the LA66 LoRa Shield to the RPI
190 190  
201 +[[image:image-20220602171233-2.png||height="592" width="881"]]
191 191  
192 -[[image:image-20220602154928-5.png||height="436" width="500"]]
203 +Log in to the RPI's terminal and connect to the serial port
193 193  
205 +[[image:image-20220602153146-3.png]]
194 194  
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
195 195  
196 -(% style="color:blue" %)**4. Send Uplink message**
210 +[[image:image-20220602154928-5.png]]
197 197  
198 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
212 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
199 199  
200 200  example: AT+SENDB=01,02,8,05820802581ea0a5
201 201  
216 +[[image:image-20220602160339-6.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"]]
220 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
210 210  
222 +=== Install Minicom ===
211 211  
224 +Enter the following command in the RPI terminal
212 212  
213 -== 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
226 +apt update
214 214  
228 +[[image:image-20220602143155-1.png]]
215 215  
216 -=== 1.8.1  Hardware and Software Connection ===
230 +apt install minicom
217 217  
232 +[[image:image-20220602143744-2.png]]
218 218  
234 +=== Send PC's CPU/RAM usage to TTN via script. ===
219 219  
220 -==== (% style="color:blue" %)**Overview：**(%%) ====
236 +==== Take python as an example： ====
221 221  
238 +===== Preconditions: =====
222 222  
223 -(((
224 -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
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 -)))
242 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
230 230  
244 +===== Steps for usage =====
231 231  
246 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
232 232  
248 +2.Run the script and see the TTN
233 233  
234 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
250 +[[image:image-20220602115852-3.png]]
235 235  
236 -A USB to Type-C adapter is needed to connect to a Mobile phone.
237 237  
238 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
239 239  
240 -[[image:image-20220813174353-2.png||height="360" width="313"]]
254 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
241 241  
242 242  
257 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
243 243  
244 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
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)
247 -
248 -[[image:image-20220813173738-1.png]]
249 -
250 -
251 -
252 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
253 -
254 -Function and page introduction
255 -
256 -[[image:image-20220723113448-7.png||height="995" width="450"]]
257 -
258 -**Block Explain:**
259 -
260 -1.  Display LA66 USB LoRaWAN Module connection status
261 -
262 -2.  Check and reconnect
263 -
264 -3.  Turn send timestamps on or off
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]]
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