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Last modified by Xiaoling on 2025/02/07 16:37
From version 148.2
edited by Xiaoling
on 2022/08/17 08:46
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To version 59.1
edited by Herong Lu
on 2022/06/02 17:12
Change comment: Uploaded new attachment "image-20220602171217-1.png", version {1}

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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  
59 -== 1.3  Specification ==
48 +== AT Command ==
60 60  
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 -* 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
77 77  
53 +== Pin Mapping ==
78 78  
55 +[[image:image-20220523101537-1.png]]
79 79  
80 -== 1.4  Pin Mapping & LED ==
57 +== Land Pattern ==
81 81  
82 -[[image:image-20220813183239-3.png||height="526" width="662"]]
59 +[[image:image-20220517072821-2.png]]
83 83  
84 84  
62 +== Part Number ==
85 85  
86 -== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
64 +Part Number: **LA66-XXX**
87 87  
66 +**XX**: The default frequency band
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 -)))
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
92 92  
77 += LA66 LoRaWAN Shield =
93 93  
94 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
79 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
95 95  
81 +== Pin Mapping & LED ==
96 96  
97 -[[image:image-20220723100027-1.png]]
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
98 98  
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
99 99  
100 -Open the serial port tool
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
101 101  
102 -[[image:image-20220602161617-8.png]]
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
103 103  
104 -[[image:image-20220602161718-9.png||height="457" width="800"]]
91 +=== what needs to be used ===
105 105  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
106 106  
95 +2.Arduino
107 107  
108 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
97 +3.USB TO TTL
109 109  
110 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
99 +[[image:image-20220602100052-2.png]]
111 111  
101 +=== Wiring Schematic ===
112 112  
113 -[[image:image-20220602161935-10.png||height="498" width="800"]]
103 +[[image:image-20220602101311-3.png]]
114 114  
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
115 115  
107 +GND  >>>>>>>>>>>>GND
116 116  
117 -(% style="color:blue" %)**3. See Uplink Command**
109 +TXD  >>>>>>>>>>>>TXD
118 118  
119 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
111 +RXD  >>>>>>>>>>>>RXD
120 120  
121 -example: AT+SENDB=01,02,8,05820802581ea0a5
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
122 122  
123 -[[image:image-20220602162157-11.png||height="497" width="800"]]
115 +Connect to the PC after connecting the wires
124 124  
117 +[[image:image-20220602102240-4.png]]
125 125  
119 +=== Upgrade steps ===
126 126  
127 -(% style="color:blue" %)**4. Check to see if TTN received the message**
121 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
128 128  
129 -[[image:image-20220817084532-1.jpeg||height="563" width="1076"]]
123 +[[image:image-20220602102824-5.png]]
130 130  
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
131 131  
127 +[[image:image-20220602104701-12.png]]
132 132  
133 -== 1.6  Example: Send PC's CPU/RAM usage to TTN via python ==
129 +==== Open the upgrade application software ====
134 134  
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/]]
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]]
133 +[[image:image-20220602103227-6.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]])
135 +[[image:image-20220602103357-7.png]]
139 139  
140 -(% style="color:red" %)**Preconditions:**
137 +===== Select the COM port corresponding to USB TTL =====
141 141  
142 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
139 +[[image:image-20220602103844-8.png]]
143 143  
144 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
141 +===== Select the bin file to burn =====
145 145  
143 +[[image:image-20220602104144-9.png]]
146 146  
145 +[[image:image-20220602104251-10.png]]
147 147  
148 -(% style="color:blue" %)**Steps for usage:**
147 +[[image:image-20220602104402-11.png]]
149 149  
150 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
149 +===== Click to start the download =====
151 151  
152 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
151 +[[image:image-20220602104923-13.png]]
153 153  
154 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
153 +===== The following figure appears to prove that the burning is in progress =====
155 155  
155 +[[image:image-20220602104948-14.png]]
156 156  
157 +===== The following picture appears to prove that the burning is successful =====
157 157  
158 -== 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
159 +[[image:image-20220602105251-15.png]]
159 159  
161 += LA66 USB LoRaWAN Adapter =
160 160  
161 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
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.
162 162  
165 +Before use, please make sure that the computer has installed the CP2102 driver
163 163  
164 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
167 +== Pin Mapping & LED ==
165 165  
166 -[[image:image-20220723100439-2.png]]
169 +== Example Send & Get Messages via LoRaWAN in PC ==
167 167  
171 +Connect the LA66 LoRa Shield to the PC
168 168  
173 +[[image:image-20220602153333-4.png]]
169 169  
170 -(% style="color:blue" %)**2. Install Minicom in RPi.**
175 +Open the serial port tool
171 171  
172 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
177 +[[image:image-20220602161617-8.png]]
173 173  
174 - (% style="background-color:yellow" %)**apt update**
179 +[[image:image-20220602161718-9.png||height="529" width="927"]]
175 175  
176 - (% style="background-color:yellow" %)**apt install minicom**
181 +Press the reset switch RST on the LA66 LoRa Shield.
177 177  
183 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
178 178  
179 -Use minicom to connect to the RPI's terminal
185 +[[image:image-20220602161935-10.png]]
180 180  
181 -[[image:image-20220602153146-3.png||height="439" width="500"]]
187 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
182 182  
183 -
184 -
185 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
186 -
187 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
188 -
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  
191 +[[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"]]
195 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
208 208  
197 +== Example Send & Get Messages via LoRaWAN in RPi ==
209 209  
199 +Connect the LA66 LoRa Shield to the RPI
210 210  
211 -== 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
201 +[[image:image-20220602153333-4.png]]
212 212  
203 +Log in to the RPI's terminal and connect to the serial port
213 213  
214 -=== 1.8.1  Hardware and Software Connection ===
205 +[[image:image-20220602153146-3.png]]
215 215  
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
216 216  
210 +[[image:image-20220602154928-5.png]]
217 217  
218 -==== (% style="color:blue" %)**Overview：**(%%) ====
212 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
219 219  
214 +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:
216 +[[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 -)))
218 +Check to see if TTN received the message
228 228  
220 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
229 229  
222 +=== Install Minicom ===
230 230  
224 +Enter the following command in the RPI terminal
231 231  
232 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
226 +apt update
233 233  
234 -A USB to Type-C adapter is needed to connect to a Mobile phone.
228 +[[image:image-20220602143155-1.png]]
235 235  
236 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
230 +apt install minicom
237 237  
238 -[[image:image-20220813174353-2.png||height="360" width="313"]]
232 +[[image:image-20220602143744-2.png]]
239 239  
234 +=== Send PC's CPU/RAM usage to TTN via script. ===
240 240  
236 +==== Take python as an example： ====
241 241  
242 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
238 +===== 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)
240 +1.LA66 LoRa Shield works fine
245 245  
246 -[[image:image-20220813173738-1.png]]
242 +2.LA66 LoRa Shield is registered with TTN
247 247  
244 +===== Steps for usage =====
248 248  
246 +1.After connecting the line, connect it to the PC, turn SW1 to FLASH, and press the RST switch. As shown in the figure below
249 249  
250 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
248 +[[image:image-20220602114148-1.png]]
251 251  
252 -Function and page introduction
250 +2.Run the script and see the TTN
253 253  
254 -[[image:image-20220723113448-7.png||height="995" width="450"]]
252 +[[image:image-20220602115852-3.png]]
255 255  
256 -**Block Explain:**
257 257  
258 -1.  Display LA66 USB LoRaWAN Module connection status
259 259  
260 -2.  Check and reconnect
256 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
261 261  
262 -3.  Turn send timestamps on or off
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 -= 4.  Reference =
363 -
364 -
365 -* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
259 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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