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Last modified by Xiaoling on 2025/02/07 16:37
From version 71.1
edited by Edwin Chen
on 2022/07/03 00:00
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 19  
20 -== Features ==
21 21  
42 +== 1.2  Features ==
43 +
44 +
45 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
46 +* Ultra-long RF range
22 22  * Support LoRaWAN v1.0.4 protocol
23 23  * Support peer-to-peer protocol
24 24  * TCXO crystal to ensure RF performance on low temperature
25 -* SMD Antenna pad and i-pex antenna connector
50 +* Spring RF antenna
26 26  * Available in different frequency LoRaWAN frequency bands.
27 27  * World-wide unique OTAA keys.
28 28  * AT Command via UART-TTL interface
29 29  * Firmware upgradable via UART interface
30 -* Ultra-long RF range
55 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
31 31  
32 32  
33 -== Specification ==
34 34  
59 +== 1.3  Specification ==
60 +
61 +
35 35  * CPU: 32-bit 48 MHz
36 36  * Flash: 256KB
37 37  * RAM: 64KB
38 -* Input Power Range: 1.8v ~~ 3.7v
39 -* Power Consumption: < 4uA.
65 +* Input Power Range: 5v
40 40  * Frequency Range: 150 MHz ~~ 960 MHz
41 41  * Maximum Power +22 dBm constant RF output
42 42  * High sensitivity: -148 dBm
... ... @@ -48,263 +48,315 @@
48 48  ** Operating: 10 ~~ 95% (Non-Condensing)
49 49  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
50 50  * LoRa Rx current: <9 mA
51 -* I/O Voltage: 3.3v
52 52  
53 -== AT Command ==
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  
80 +== 1.4  Pin Mapping & LED ==
57 57  
58 -== Dimension ==
59 59  
60 -[[image:image-20220517072526-1.png]]
83 +[[image:image-20220813183239-3.png||height="526" width="662"]]
61 61  
62 62  
63 -== Pin Mapping ==
64 64  
65 -[[image:image-20220523101537-1.png]]
87 +== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
66 66  
67 -== Land Pattern ==
68 68  
69 -[[image:image-20220517072821-2.png]]
90 +(((
91 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
92 +)))
70 70  
71 71  
72 -== Part Number ==
95 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
73 73  
74 -Part Number: **LA66-XXX**
75 75  
76 -**XX**: The default frequency band
98 +[[image:image-20220723100027-1.png]]
77 77  
78 -* **AS923**: LoRaWAN AS923 band
79 -* **AU915**: LoRaWAN AU915 band
80 -* **EU433**: LoRaWAN EU433 band
81 -* **EU868**: LoRaWAN EU868 band
82 -* **KR920**: LoRaWAN KR920 band
83 -* **US915**: LoRaWAN US915 band
84 -* **IN865**: LoRaWAN IN865 band
85 -* **CN470**: LoRaWAN CN470 band
86 -* **PP**: Peer to Peer LoRa Protocol
87 87  
101 +Open the serial port tool
88 88  
103 +[[image:image-20220602161617-8.png]]
89 89  
90 -= LA66 LoRaWAN Shield =
105 +[[image:image-20220602161718-9.png||height="457" width="800"]]
91 91  
92 -== Overview ==
93 93  
94 -LA66 LoRaWAN Shield is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to  Arduino projects.
95 95  
109 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
96 96  
97 -== Features ==
98 98  
99 -* Arduino Shield base on LA66 LoRaWAN module
100 -* Support LoRaWAN v1.0.4 protocol
101 -* Support peer-to-peer protocol
102 -* TCXO crystal to ensure RF performance on low temperature
103 -* SMA connector
104 -* Available in different frequency LoRaWAN frequency bands.
105 -* World-wide unique OTAA keys.
106 -* AT Command via UART-TTL interface
107 -* Firmware upgradable via UART interface
108 -* Ultra-long RF range
112 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
109 109  
110 110  
111 -== Specification ==
115 +[[image:image-20220602161935-10.png||height="498" width="800"]]
112 112  
113 -* CPU: 32-bit 48 MHz
114 -* Flash: 256KB
115 -* RAM: 64KB
116 -* Input Power Range: 1.8v ~~ 3.7v
117 -* Power Consumption: < 4uA.
118 -* Frequency Range: 150 MHz ~~ 960 MHz
119 -* Maximum Power +22 dBm constant RF output
120 -* High sensitivity: -148 dBm
121 -* Temperature:
122 -** Storage: -55 ~~ +125℃
123 -** Operating: -40 ~~ +85℃
124 -* Humidity:
125 -** Storage: 5 ~~ 95% (Non-Condensing)
126 -** Operating: 10 ~~ 95% (Non-Condensing)
127 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
128 -* LoRa Rx current: <9 mA
129 -* I/O Voltage: 3.3v
130 130  
131 131  
132 -== Pin Mapping & LED ==
119 +(% style="color:blue" %)**3. See Uplink Command**
133 133  
134 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
135 135  
136 -== Example: Join TTN network and send an uplink message, get downlink message. ==
122 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
137 137  
138 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
124 +example: AT+SENDB=01,02,8,05820802581ea0a5
139 139  
140 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
126 +[[image:image-20220602162157-11.png||height="497" width="800"]]
141 141  
142 -=== what needs to be used ===
143 143  
144 -1.LA66 LoRaWAN Shield that needs to be upgraded
145 145  
146 -2.Arduino
130 +(% style="color:blue" %)**4. Check to see if TTN received the message**
147 147  
148 -3.USB TO TTL
149 149  
150 -[[image:image-20220602100052-2.png]]
133 +[[image:image-20220817093644-1.png]]
151 151  
152 -=== Wiring Schematic ===
153 153  
154 -[[image:image-20220602101311-3.png]]
155 155  
156 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
137 +== 1.6  Example: Send PC's CPU/RAM usage to TTN via python ==
157 157  
158 -GND  >>>>>>>>>>>>GND
159 159  
160 -TXD  >>>>>>>>>>>>TXD
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]]
161 161  
162 -RXD  >>>>>>>>>>>>RXD
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]])
163 163  
164 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
165 165  
166 -Connect to the PC after connecting the wires
145 +(% style="color:red" %)**Preconditions:**
167 167  
168 -[[image:image-20220602102240-4.png]]
147 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
169 169  
170 -=== Upgrade steps ===
149 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
171 171  
172 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
173 173  
174 -[[image:image-20220602102824-5.png]]
175 175  
176 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
153 +(% style="color:blue" %)**Steps for usage:**
177 177  
178 -[[image:image-20220602104701-12.png]]
155 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
179 179  
180 -==== Open the upgrade application software ====
157 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
181 181  
182 -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/]]
183 183  
184 -[[image:image-20220602103227-6.png]]
160 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
185 185  
186 -[[image:image-20220602103357-7.png]]
187 187  
188 -===== Select the COM port corresponding to USB TTL =====
189 189  
190 -[[image:image-20220602103844-8.png]]
164 +== 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
191 191  
192 -===== Select the bin file to burn =====
193 193  
194 -[[image:image-20220602104144-9.png]]
167 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
195 195  
196 -[[image:image-20220602104251-10.png]]
197 197  
198 -[[image:image-20220602104402-11.png]]
170 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
199 199  
200 -===== Click to start the download =====
201 201  
202 -[[image:image-20220602104923-13.png]]
173 +[[image:image-20220723100439-2.png]]
203 203  
204 -===== The following figure appears to prove that the burning is in progress =====
205 205  
206 -[[image:image-20220602104948-14.png]]
207 207  
208 -===== The following picture appears to prove that the burning is successful =====
177 +(% style="color:blue" %)**2. Install Minicom in RPi.**
209 209  
210 -[[image:image-20220602105251-15.png]]
211 211  
212 -= LA66 USB LoRaWAN Adapter =
180 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
213 213  
214 -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.
182 + (% style="background-color:yellow" %)**apt update**
215 215  
216 -Before use, please make sure that the computer has installed the CP2102 driver
184 + (% style="background-color:yellow" %)**apt install minicom**
217 217  
218 -== Pin Mapping & LED ==
219 219  
220 -== Example Send & Get Messages via LoRaWAN in PC ==
187 +Use minicom to connect to the RPI's terminal
221 221  
222 -Connect the LA66 LoRa Shield to the PC
189 +[[image:image-20220602153146-3.png||height="439" width="500"]]
223 223  
224 -[[image:image-20220602171217-1.png||height="615" width="915"]]
225 225  
226 -Open the serial port tool
227 227  
228 -[[image:image-20220602161617-8.png]]
193 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
229 229  
230 -[[image:image-20220602161718-9.png||height="529" width="927"]]
231 231  
232 -Press the reset switch RST on the LA66 LoRa Shield.
196 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
233 233  
234 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
235 235  
236 -[[image:image-20220602161935-10.png]]
199 +[[image:image-20220602154928-5.png||height="436" width="500"]]
237 237  
238 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
239 239  
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 +
240 240  example: AT+SENDB=01,02,8,05820802581ea0a5
241 241  
242 -[[image:image-20220602162157-11.png]]
243 243  
211 +[[image:image-20220602160339-6.png||height="517" width="600"]]
212 +
213 +
214 +
244 244  Check to see if TTN received the message
245 245  
246 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
217 +[[image:image-20220602160627-7.png||height="369" width="800"]]
247 247  
248 -== Example Send & Get Messages via LoRaWAN in RPi ==
249 249  
250 -Connect the LA66 LoRa Shield to the RPI
251 251  
252 -[[image:image-20220602171233-2.png||height="592" width="881"]]
221 +== 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
253 253  
254 -Log in to the RPI's terminal and connect to the serial port
255 255  
256 -[[image:image-20220602153146-3.png]]
224 +=== 1.8.1  Hardware and Software Connection ===
257 257  
258 -Press the reset switch RST on the LA66 LoRa Shield.
259 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
260 260  
261 -[[image:image-20220602154928-5.png]]
262 262  
263 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
228 +==== (% style="color:blue" %)**Overview：**(%%) ====
264 264  
265 -example: AT+SENDB=01,02,8,05820802581ea0a5
266 266  
267 -[[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:
268 268  
269 -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 +)))
270 270  
271 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
272 272  
273 -=== Install Minicom ===
274 274  
275 -Enter the following command in the RPI terminal
276 276  
277 -apt update
242 +==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
278 278  
279 -[[image:image-20220602143155-1.png]]
280 280  
281 -apt install minicom
245 +A USB to Type-C adapter is needed to connect to a Mobile phone.
282 282  
283 -[[image:image-20220602143744-2.png]]
247 +Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
284 284  
285 -=== Send PC's CPU/RAM usage to TTN via script. ===
249 +[[image:image-20220813174353-2.png||height="360" width="313"]]
286 286  
287 -==== Take python as an example： ====
288 288  
289 -===== Preconditions: =====
290 290  
291 -1.LA66 USB LoRaWAN Adapter works fine
253 +==== (% style="color:blue" %)**Download and Install App:**(%%) ====
292 292  
293 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
294 294  
295 -===== 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)
296 296  
297 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
258 +[[image:image-20220813173738-1.png]]
298 298  
299 -2.Run the script and see the TTN
300 300  
301 -[[image:image-20220602115852-3.png]]
302 302  
262 +==== (% style="color:blue" %)**Use of APP:**(%%) ====
303 303  
304 304  
305 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
265 +Function and page introduction
306 306  
307 307  
308 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
268 +[[image:image-20220723113448-7.png||height="995" width="450"]]
309 309  
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 +
310 310  
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