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Last modified by Xiaoling on 2025/02/07 16:37
From version 65.1
edited by Edwin Chen
on 2022/07/02 23:30
Change comment: There is no comment for this version
To version 149.7
edited by Xiaoling
on 2022/08/22 16:24
Change comment: There is no comment for this version

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Title
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1 -LA66 LoRaWAN Module
1 +LA66 USB LoRaWAN Adapter User Manual
Author
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
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1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
1 +
2 +
3 +**Table of Contents:**
4 +
2 2  {{toc/}}
3 -{{/box}}
4 4  
5 -= LA66 LoRaWAN Module =
6 6  
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.
10 10  
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.
12 12  
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 +(((
13 13  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
30 +)))
14 14  
32 +(((
15 15  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 +)))
16 16  
36 +(((
17 17  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
38 +)))
18 18  
19 -== Features ==
20 20  
21 21  
22 -== Specification ==
42 +== 1.2  Features ==
23 23  
24 -[[image:image-20220517072526-1.png]]
25 25  
26 -Input Power Range: 1.8v ~~ 3.7v
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.
27 27  
28 -Power Consumption: < 4uA.
29 29  
30 -Frequency Range: 150 MHz ~~ 960 MHz
31 31  
32 -Maximum Power +22 dBm constant RF output
59 +== 1.3  Specification ==
33 33  
34 -High sensitivity: -148 dBm
35 35  
36 -Temperature:
62 +* CPU: 32-bit 48 MHz
63 +* Flash: 256KB
64 +* RAM: 64KB
65 +* Input Power Range: 5v
66 +* Frequency Range: 150 MHz ~~ 960 MHz
67 +* Maximum Power +22 dBm constant RF output
68 +* High sensitivity: -148 dBm
69 +* Temperature:
70 +** Storage: -55 ~~ +125℃
71 +** Operating: -40 ~~ +85℃
72 +* Humidity:
73 +** Storage: 5 ~~ 95% (Non-Condensing)
74 +** Operating: 10 ~~ 95% (Non-Condensing)
75 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
76 +* LoRa Rx current: <9 mA
37 37  
38 -* Storage: -55 ~~ +125℃
39 -* Operating: -40 ~~ +85℃
40 40  
41 -Humidity:
42 42  
43 -* Storage: 5 ~~ 95% (Non-Condensing)
44 -* Operating: 10 ~~ 95% (Non-Condensing)
80 +== 1.4  Pin Mapping & LED ==
45 45  
46 -LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
47 47  
48 -LoRa Rx current: <9 mA
83 +[[image:image-20220813183239-3.png||height="526" width="662"]]
49 49  
50 -I/O Voltage: 3.3v
51 51  
52 52  
53 -== AT Command ==
87 +== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
54 54  
55 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
56 56  
90 +(((
91 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
92 +)))
57 57  
58 -== Pin Mapping ==
59 59  
60 -[[image:image-20220523101537-1.png]]
95 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
61 61  
62 -== Land Pattern ==
63 63  
64 -[[image:image-20220517072821-2.png]]
98 +[[image:image-20220723100027-1.png]]
65 65  
66 66  
67 -== Part Number ==
101 +Open the serial port tool
68 68  
69 -Part Number: **LA66-XXX**
103 +[[image:image-20220602161617-8.png]]
70 70  
71 -**XX**: The default frequency band
105 +[[image:image-20220602161718-9.png||height="457" width="800"]]
72 72  
73 -* **AS923**: LoRaWAN AS923 band
74 -* **AU915**: LoRaWAN AU915 band
75 -* **EU433**: LoRaWAN EU433 band
76 -* **EU868**: LoRaWAN EU868 band
77 -* **KR920**: LoRaWAN KR920 band
78 -* **US915**: LoRaWAN US915 band
79 -* **IN865**: LoRaWAN IN865 band
80 -* **CN470**: LoRaWAN CN470 band
81 81  
82 -= LA66 LoRaWAN Shield =
83 83  
84 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
109 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
85 85  
86 -== Pin Mapping & LED ==
87 87  
88 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
112 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
89 89  
90 -== Example: Join TTN network and send an uplink message, get downlink message. ==
91 91  
92 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
115 +[[image:image-20220602161935-10.png||height="498" width="800"]]
93 93  
94 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
95 95  
96 -=== what needs to be used ===
97 97  
98 -1.LA66 LoRaWAN Shield that needs to be upgraded
119 +(% style="color:blue" %)**3. See Uplink Command**
99 99  
100 -2.Arduino
101 101  
102 -3.USB TO TTL
122 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
103 103  
104 -[[image:image-20220602100052-2.png]]
124 +example: AT+SENDB=01,02,8,05820802581ea0a5
105 105  
106 -=== Wiring Schematic ===
126 +[[image:image-20220602162157-11.png||height="497" width="800"]]
107 107  
108 -[[image:image-20220602101311-3.png]]
109 109  
110 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
111 111  
112 -GND  >>>>>>>>>>>>GND
130 +(% style="color:blue" %)**4. Check to see if TTN received the message**
113 113  
114 -TXD  >>>>>>>>>>>>TXD
115 115  
116 -RXD  >>>>>>>>>>>>RXD
133 +[[image:image-20220817093644-1.png]]
117 117  
118 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
119 119  
120 -Connect to the PC after connecting the wires
121 121  
122 -[[image:image-20220602102240-4.png]]
137 +== 1.6  Example: Send PC's CPU/RAM usage to TTN via python ==
123 123  
124 -=== Upgrade steps ===
125 125  
126 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
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]]
127 127  
128 -[[image:image-20220602102824-5.png]]
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]])
129 129  
130 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
131 131  
132 -[[image:image-20220602104701-12.png]]
145 +(% style="color:red" %)**Preconditions:**
133 133  
134 -==== Open the upgrade application software ====
147 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
135 135  
136 -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/]]
149 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
137 137  
138 -[[image:image-20220602103227-6.png]]
139 139  
140 -[[image:image-20220602103357-7.png]]
141 141  
142 -===== Select the COM port corresponding to USB TTL =====
153 +(% style="color:blue" %)**Steps for usage:**
143 143  
144 -[[image:image-20220602103844-8.png]]
155 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
145 145  
146 -===== Select the bin file to burn =====
157 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
147 147  
148 -[[image:image-20220602104144-9.png]]
149 149  
150 -[[image:image-20220602104251-10.png]]
160 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
151 151  
152 -[[image:image-20220602104402-11.png]]
153 153  
154 -===== Click to start the download =====
155 155  
156 -[[image:image-20220602104923-13.png]]
164 +== 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
157 157  
158 -===== The following figure appears to prove that the burning is in progress =====
159 159  
160 -[[image:image-20220602104948-14.png]]
167 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
161 161  
162 -===== The following picture appears to prove that the burning is successful =====
163 163  
164 -[[image:image-20220602105251-15.png]]
170 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
165 165  
166 -= LA66 USB LoRaWAN Adapter =
167 167  
168 -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.
173 +[[image:image-20220723100439-2.png]]
169 169  
170 -Before use, please make sure that the computer has installed the CP2102 driver
171 171  
172 -== Pin Mapping & LED ==
173 173  
174 -== Example Send & Get Messages via LoRaWAN in PC ==
177 +(% style="color:blue" %)**2. Install Minicom in RPi.**
175 175  
176 -Connect the LA66 LoRa Shield to the PC
177 177  
178 -[[image:image-20220602171217-1.png||height="615" width="915"]]
180 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
179 179  
180 -Open the serial port tool
182 + (% style="background-color:yellow" %)**apt update**
181 181  
182 -[[image:image-20220602161617-8.png]]
184 + (% style="background-color:yellow" %)**apt install minicom**
183 183  
184 -[[image:image-20220602161718-9.png||height="529" width="927"]]
185 185  
186 -Press the reset switch RST on the LA66 LoRa Shield.
187 +Use minicom to connect to the RPI's terminal
187 187  
188 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
189 +[[image:image-20220602153146-3.png||height="439" width="500"]]
189 189  
190 -[[image:image-20220602161935-10.png]]
191 191  
192 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
193 193  
193 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
194 +
195 +
196 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
197 +
198 +
199 +[[image:image-20220602154928-5.png||height="436" width="500"]]
200 +
201 +
202 +
203 +(% style="color:blue" %)**4. Send Uplink message**
204 +
205 +
206 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
207 +
194 194  example: AT+SENDB=01,02,8,05820802581ea0a5
195 195  
196 -[[image:image-20220602162157-11.png]]
197 197  
211 +[[image:image-20220602160339-6.png||height="517" width="600"]]
212 +
213 +
214 +
198 198  Check to see if TTN received the message
199 199  
200 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
217 +[[image:image-20220602160627-7.png||height="369" width="800"]]
201 201  
202 -== Example Send & Get Messages via LoRaWAN in RPi ==
203 203  
204 -Connect the LA66 LoRa Shield to the RPI
205 205  
206 -[[image:image-20220602171233-2.png||height="592" width="881"]]
221 +== 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
207 207  
208 -Log in to the RPI's terminal and connect to the serial port
209 209  
210 -[[image:image-20220602153146-3.png]]
224 +=== 1.8.1  Hardware and Software Connection ===
211 211  
212 -Press the reset switch RST on the LA66 LoRa Shield.
213 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
214 214  
215 -[[image:image-20220602154928-5.png]]
216 216  
217 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
228 +==== (% style="color:blue" %)**Overview：**(%%) ====
218 218  
219 -example: AT+SENDB=01,02,8,05820802581ea0a5
220 220  
221 -[[image:image-20220602160339-6.png]]
231 +(((
232 +DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
222 222  
223 -Check to see if TTN received the message
234 +* Send real-time location information of mobile phone to LoRaWAN network.
235 +* Check LoRaWAN network signal strengh.
236 +* Manually send messages to LoRaWAN network.
237 +)))
224 224  
225 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
226 226  
227 -=== Install Minicom ===
228 228  
229 -Enter the following command in the RPI terminal
230 230  
231 -apt update
242 +==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
232 232  
233 -[[image:image-20220602143155-1.png]]
234 234  
235 -apt install minicom
245 +A USB to Type-C adapter is needed to connect to a Mobile phone.
236 236  
237 -[[image:image-20220602143744-2.png]]
247 +Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
238 238  
239 -=== Send PC's CPU/RAM usage to TTN via script. ===
249 +[[image:image-20220813174353-2.png||height="360" width="313"]]
240 240  
241 -==== Take python as an example： ====
242 242  
243 -===== Preconditions: =====
244 244  
245 -1.LA66 USB LoRaWAN Adapter works fine
253 +==== (% style="color:blue" %)**Download and Install App:**(%%) ====
246 246  
247 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
248 248  
249 -===== Steps for usage =====
256 +[[(% 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)
250 250  
251 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
258 +[[image:image-20220813173738-1.png]]
252 252  
253 -2.Run the script and see the TTN
254 254  
255 -[[image:image-20220602115852-3.png]]
256 256  
262 +==== (% style="color:blue" %)**Use of APP:**(%%) ====
257 257  
258 258  
259 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
265 +Function and page introduction
260 260  
261 261  
262 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
268 +[[image:image-20220723113448-7.png||height="995" width="450"]]
263 263  
270 +**Block Explain:**
271 +
272 +1.  Display LA66 USB LoRaWAN Module connection status
273 +
274 +2.  Check and reconnect
275 +
276 +3.  Turn send timestamps on or off
277 +
278 +4.  Display LoRaWan connection status
279 +
280 +5.  Check LoRaWan connection status
281 +
282 +6.  The RSSI value of the node when the ACK is received
283 +
284 +7.  Node's Signal Strength Icon
285 +
286 +8.  Configure Location Uplink Interval
287 +
288 +9.  AT command input box
289 +
290 +10.  Send Button:  Send input box info to LA66 USB Adapter
291 +
292 +11.  Output Log from LA66 USB adapter
293 +
294 +12.  clear log button
295 +
296 +13.  exit button
297 +
298 +
299 +
300 +LA66 USB LoRaWAN Module not connected
301 +
302 +
303 +[[image:image-20220723110520-5.png||height="677" width="508"]]
304 +
305 +
306 +
307 +Connect LA66 USB LoRaWAN Module
308 +
309 +[[image:image-20220723110626-6.png||height="681" width="511"]]
310 +
311 +
312 +
313 +=== 1.8.2  Send data to TTNv3 and plot location info in Node-Red ===
314 +
315 +
316 +(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
317 +
318 +
319 +[[image:image-20220723134549-8.png]]
320 +
321 +
322 +
323 +(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
324 +
325 +
326 +Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
327 +
328 +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/]]
329 +
330 +After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
331 +
332 +
333 +Example output in NodeRed is as below:
334 +
335 +[[image:image-20220723144339-1.png]]
336 +
337 +
338 +
339 +== 1.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
340 +
341 +
342 +The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
343 +
344 +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)
345 +
346 +
347 +[[image:image-20220723150132-2.png]]
348 +
349 +
350 +
351 += 2.  FAQ =
352 +
353 +
354 +== 2.1  How to Compile Source Code for LA66? ==
355 +
356 +
357 +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]]
358 +
359 +
360 +
361 += 3.  Order Info =
362 +
363 +
364 +**Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
365 +
366 +
367 +(% style="color:blue" %)**XXX**(%%): The default frequency band
368 +
369 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
370 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
371 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
372 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
373 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
374 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
375 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
376 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
377 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
378 +
379 +
380 +
381 +
382 += 4.  Reference =
383 +
384 +
385 +* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
386 +
387 +
264 264  
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