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Last modified by Xiaoling on 2025/02/07 16:37
From version 146.5
edited by Xiaoling
on 2022/08/16 14:51
Change comment: There is no comment for this version
To version 71.1
edited by Edwin Chen
on 2022/07/03 00:00
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 -
44 -
45 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
46 -* Ultra-long RF range
47 47  * Support LoRaWAN v1.0.4 protocol
48 48  * Support peer-to-peer protocol
49 49  * TCXO crystal to ensure RF performance on low temperature
50 -* Spring RF antenna
25 +* SMD Antenna pad and i-pex antenna connector
51 51  * Available in different frequency LoRaWAN frequency bands.
52 52  * World-wide unique OTAA keys.
53 53  * AT Command via UART-TTL interface
54 54  * Firmware upgradable via UART interface
55 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
30 +* Ultra-long RF range
56 56  
57 57  
33 +== Specification ==
58 58  
59 -
60 -== 1.3  Specification ==
61 -
62 -
63 63  * CPU: 32-bit 48 MHz
64 64  * Flash: 256KB
65 65  * RAM: 64KB
66 -* Input Power Range: 5v
38 +* Input Power Range: 1.8v ~~ 3.7v
39 +* Power Consumption: < 4uA.
67 67  * Frequency Range: 150 MHz ~~ 960 MHz
68 68  * Maximum Power +22 dBm constant RF output
69 69  * High sensitivity: -148 dBm
... ... @@ -75,294 +75,263 @@
75 75  ** Operating: 10 ~~ 95% (Non-Condensing)
76 76  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
77 77  * LoRa Rx current: <9 mA
51 +* I/O Voltage: 3.3v
78 78  
53 +== AT Command ==
79 79  
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.
80 80  
81 81  
82 -== 1.4  Pin Mapping & LED ==
58 +== Dimension ==
83 83  
84 -[[image:image-20220813183239-3.png||height="526" width="662"]]
60 +[[image:image-20220517072526-1.png]]
85 85  
86 86  
63 +== Pin Mapping ==
87 87  
88 -== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
65 +[[image:image-20220523101537-1.png]]
89 89  
67 +== Land Pattern ==
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 -)))
69 +[[image:image-20220517072821-2.png]]
94 94  
95 95  
96 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
72 +== Part Number ==
97 97  
74 +Part Number: **LA66-XXX**
98 98  
99 -[[image:image-20220723100027-1.png]]
76 +**XX**: The default frequency band
100 100  
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
101 101  
102 -Open the serial port tool
103 103  
104 -[[image:image-20220602161617-8.png]]
105 105  
106 -[[image:image-20220602161718-9.png||height="457" width="800"]]
90 += LA66 LoRaWAN Shield =
107 107  
92 +== Overview ==
108 108  
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.
109 109  
110 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
111 111  
112 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
97 +== Features ==
113 113  
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
114 114  
115 -[[image:image-20220602161935-10.png||height="498" width="800"]]
116 116  
111 +== Specification ==
117 117  
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
118 118  
119 -(% style="color:blue" %)**3. See Uplink Command**
120 120  
121 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
132 +== Pin Mapping & LED ==
122 122  
123 -example: AT+SENDB=01,02,8,05820802581ea0a5
134 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
124 124  
125 -[[image:image-20220602162157-11.png||height="497" width="800"]]
136 +== Example: Join TTN network and send an uplink message, get downlink message. ==
126 126  
138 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
127 127  
140 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
128 128  
129 -(% style="color:blue" %)**4. Check to see if TTN received the message**
142 +=== what needs to be used ===
130 130  
131 -[[image:image-20220602162331-12.png||height="420" width="800"]]
144 +1.LA66 LoRaWAN Shield that needs to be upgraded
132 132  
146 +2.Arduino
133 133  
148 +3.USB TO TTL
134 134  
135 -== 1.6  Example: Send PC's CPU/RAM usage to TTN via python ==
150 +[[image:image-20220602100052-2.png]]
136 136  
152 +=== Wiring Schematic ===
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]]
154 +[[image:image-20220602101311-3.png]]
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]])
156 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
141 141  
142 -(% style="color:red" %)**Preconditions:**
158 +GND  >>>>>>>>>>>>GND
143 143  
144 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
160 +TXD  >>>>>>>>>>>>TXD
145 145  
146 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
162 +RXD  >>>>>>>>>>>>RXD
147 147  
164 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
148 148  
166 +Connect to the PC after connecting the wires
149 149  
150 -(% style="color:blue" %)**Steps for usage:**
168 +[[image:image-20220602102240-4.png]]
151 151  
152 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
170 +=== Upgrade steps ===
153 153  
154 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
172 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
155 155  
156 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
174 +[[image:image-20220602102824-5.png]]
157 157  
176 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
158 158  
178 +[[image:image-20220602104701-12.png]]
159 159  
160 -== 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
180 +==== Open the upgrade application software ====
161 161  
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/]]
162 162  
163 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
184 +[[image:image-20220602103227-6.png]]
164 164  
186 +[[image:image-20220602103357-7.png]]
165 165  
166 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
188 +===== Select the COM port corresponding to USB TTL =====
167 167  
168 -[[image:image-20220723100439-2.png]]
190 +[[image:image-20220602103844-8.png]]
169 169  
192 +===== Select the bin file to burn =====
170 170  
194 +[[image:image-20220602104144-9.png]]
171 171  
172 -(% style="color:blue" %)**2. Install Minicom in RPi.**
196 +[[image:image-20220602104251-10.png]]
173 173  
174 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
198 +[[image:image-20220602104402-11.png]]
175 175  
176 - (% style="background-color:yellow" %)**apt update**
200 +===== Click to start the download =====
177 177  
178 - (% style="background-color:yellow" %)**apt install minicom**
202 +[[image:image-20220602104923-13.png]]
179 179  
204 +===== The following figure appears to prove that the burning is in progress =====
180 180  
181 -Use minicom to connect to the RPI's terminal
206 +[[image:image-20220602104948-14.png]]
182 182  
183 -[[image:image-20220602153146-3.png||height="439" width="500"]]
208 +===== The following picture appears to prove that the burning is successful =====
184 184  
210 +[[image:image-20220602105251-15.png]]
185 185  
212 += LA66 USB LoRaWAN Adapter =
186 186  
187 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
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.
188 188  
189 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
216 +Before use, please make sure that the computer has installed the CP2102 driver
190 190  
218 +== Pin Mapping & LED ==
191 191  
192 -[[image:image-20220602154928-5.png||height="436" width="500"]]
220 +== Example Send & Get Messages via LoRaWAN in PC ==
193 193  
222 +Connect the LA66 LoRa Shield to the PC
194 194  
224 +[[image:image-20220602171217-1.png||height="615" width="915"]]
195 195  
196 -(% style="color:blue" %)**4. Send Uplink message**
226 +Open the serial port tool
197 197  
198 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
228 +[[image:image-20220602161617-8.png]]
199 199  
200 -example: AT+SENDB=01,02,8,05820802581ea0a5
230 +[[image:image-20220602161718-9.png||height="529" width="927"]]
201 201  
232 +Press the reset switch RST on the LA66 LoRa Shield.
202 202  
203 -[[image:image-20220602160339-6.png||height="517" width="600"]]
234 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
204 204  
236 +[[image:image-20220602161935-10.png]]
205 205  
238 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
206 206  
207 -Check to see if TTN received the message
240 +example: AT+SENDB=01,02,8,05820802581ea0a5
208 208  
209 -[[image:image-20220602160627-7.png||height="369" width="800"]]
242 +[[image:image-20220602162157-11.png]]
210 210  
244 +Check to see if TTN received the message
211 211  
246 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
212 212  
213 -== 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
248 +== Example Send & Get Messages via LoRaWAN in RPi ==
214 214  
250 +Connect the LA66 LoRa Shield to the RPI
215 215  
216 -=== 1.8.1  Hardware and Software Connection ===
252 +[[image:image-20220602171233-2.png||height="592" width="881"]]
217 217  
254 +Log in to the RPI's terminal and connect to the serial port
218 218  
256 +[[image:image-20220602153146-3.png]]
219 219  
220 -==== (% style="color:blue" %)**Overview：**(%%) ====
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
221 221  
261 +[[image:image-20220602154928-5.png]]
222 222  
223 -(((
224 -DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
263 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
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 -)))
265 +example: AT+SENDB=01,02,8,05820802581ea0a5
230 230  
267 +[[image:image-20220602160339-6.png]]
231 231  
269 +Check to see if TTN received the message
232 232  
271 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
233 233  
234 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
273 +=== Install Minicom ===
235 235  
236 -A USB to Type-C adapter is needed to connect to a Mobile phone.
275 +Enter the following command in the RPI terminal
237 237  
238 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
277 +apt update
239 239  
240 -[[image:image-20220813174353-2.png||height="360" width="313"]]
279 +[[image:image-20220602143155-1.png]]
241 241  
281 +apt install minicom
242 242  
283 +[[image:image-20220602143744-2.png]]
243 243  
244 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
285 +=== Send PC's CPU/RAM usage to TTN via script. ===
245 245  
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)
287 +==== Take python as an example： ====
247 247  
248 -[[image:image-20220813173738-1.png]]
289 +===== Preconditions: =====
249 249  
291 +1.LA66 USB LoRaWAN Adapter works fine
250 250  
293 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
251 251  
252 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
295 +===== Steps for usage =====
253 253  
254 -Function and page introduction
297 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
255 255  
256 -[[image:image-20220723113448-7.png||height="995" width="450"]]
299 +2.Run the script and see the TTN
257 257  
258 -**Block Explain:**
301 +[[image:image-20220602115852-3.png]]
259 259  
260 -1.  Display LA66 USB LoRaWAN Module connection status
261 261  
262 -2.  Check and reconnect
263 263  
264 -3.  Turn send timestamps on or off
305 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
265 265  
266 -4.  Display LoRaWan connection status
267 267  
268 -5.  Check LoRaWan connection status
308 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
269 269  
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]]
310 +
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