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Last modified by Xiaoling on 2023/05/26 14:19
From version 151.1
edited by Edwin Chen
on 2022/08/20 11:23
Change comment: There is no comment for this version
To version 51.1
edited by Herong Lu
on 2022/06/02 16:06
Change comment: Uploaded new attachment "image-20220602160627-7.png", version {1}

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1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Author
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1 -XWiki.Edwin
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  
10 -= 1.  LA66 LoRaWAN Shield =
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.
11 11  
13 +**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
12 12  
13 -== 1.1  Overview ==
14 14  
15 15  
16 -(((
17 -[[image:image-20220715000826-2.png||height="145" width="220"]]
18 -)))
17 +== Specification ==
19 19  
20 -(((
21 -
22 -)))
19 +[[image:image-20220517072526-1.png]]
23 23  
24 -(((
25 -(% style="color:blue" %)**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.
26 -)))
21 +Input Power Range: 1.8v ~~ 3.7v
27 27  
28 -(((
29 -(((
30 -(% 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.
31 -)))
32 -)))
23 +Power Consumption: < 4uA.
33 33  
34 -(((
35 -(((
36 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 -)))
38 -)))
25 +Frequency Range: 150 MHz ~~ 960 MHz
39 39  
40 -(((
41 -(((
42 -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.
43 -)))
44 -)))
27 +Maximum Power +22 dBm constant RF output
45 45  
46 -(((
47 -(((
48 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 -)))
50 -)))
29 +High sensitivity: -148 dBm
51 51  
31 +Temperature:
52 52  
33 +* Storage: -55 ~~ +125℃
34 +* Operating: -40 ~~ +85℃
53 53  
54 -== 1.2  Features ==
36 +Humidity:
55 55  
38 +* Storage: 5 ~~ 95% (Non-Condensing)
39 +* Operating: 10 ~~ 95% (Non-Condensing)
56 56  
57 -* Arduino Shield base on LA66 LoRaWAN module
58 -* Support LoRaWAN v1.0.3 protocol
59 -* Support peer-to-peer protocol
60 -* TCXO crystal to ensure RF performance on low temperature
61 -* SMA connector
62 -* Available in different frequency LoRaWAN frequency bands.
63 -* World-wide unique OTAA keys.
64 -* AT Command via UART-TTL interface
65 -* Firmware upgradable via UART interface
66 -* Ultra-long RF range
41 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
67 67  
43 +LoRa Rx current: <9 mA
68 68  
69 -== 1.3  Specification ==
45 +I/O Voltage: 3.3v
70 70  
71 71  
72 -* CPU: 32-bit 48 MHz
73 -* Flash: 256KB
74 -* RAM: 64KB
75 -* Input Power Range: 1.8v ~~ 3.7v
76 -* Power Consumption: < 4uA.
77 -* Frequency Range: 150 MHz ~~ 960 MHz
78 -* Maximum Power +22 dBm constant RF output
79 -* High sensitivity: -148 dBm
80 -* Temperature:
81 -** Storage: -55 ~~ +125℃
82 -** Operating: -40 ~~ +85℃
83 -* Humidity:
84 -** Storage: 5 ~~ 95% (Non-Condensing)
85 -** Operating: 10 ~~ 95% (Non-Condensing)
86 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
87 -* LoRa Rx current: <9 mA
88 -* I/O Voltage: 3.3v
48 +== AT Command ==
89 89  
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.
90 90  
91 -== 1.4  Pin Mapping & LED ==
92 92  
53 +== Pin Mapping ==
93 93  
94 -[[image:image-20220817085048-1.png||height="533" width="734"]]
55 +[[image:image-20220523101537-1.png]]
95 95  
57 +== Land Pattern ==
96 96  
59 +[[image:image-20220517072821-2.png]]
97 97  
98 -~1. The LED lights up red when there is an upstream data packet
99 -2. When the network is successfully connected, the green light will be on for 5 seconds
100 -3. Purple light on when receiving downlink data packets
101 101  
62 +== Part Number ==
102 102  
103 -[[image:image-20220820112305-1.png||height="515" width="749"]]
64 +Part Number: **LA66-XXX**
104 104  
66 +**XX**: The default frequency band
105 105  
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
106 106  
107 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
77 += LA66 LoRaWAN Shield =
108 108  
79 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
109 109  
110 -**Show connection diagram：**
81 +== Pin Mapping & LED ==
111 111  
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
112 112  
113 -[[image:image-20220723170210-2.png||height="908" width="681"]]
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
114 114  
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
115 115  
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
116 116  
117 -(% style="color:blue" %)**1.  open Arduino IDE**
91 +=== what needs to be used ===
118 118  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
119 119  
120 -[[image:image-20220723170545-4.png]]
95 +2.Arduino
121 121  
97 +3.USB TO TTL
122 122  
99 +[[image:image-20220602100052-2.png]]
123 123  
124 -(% style="color:blue" %)**2.  Open project**
101 +=== Wiring Schematic ===
125 125  
103 +[[image:image-20220602101311-3.png]]
126 126  
127 -LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0>>https://www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0]]
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
128 128  
129 -[[image:image-20220726135239-1.png]]
107 +GND  >>>>>>>>>>>>GND
130 130  
109 +TXD  >>>>>>>>>>>>TXD
131 131  
111 +RXD  >>>>>>>>>>>>RXD
132 132  
133 -(% style="color:blue" %)**3.  Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload**
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
134 134  
135 -[[image:image-20220726135356-2.png]]
115 +Connect to the PC after connecting the wires
136 136  
117 +[[image:image-20220602102240-4.png]]
137 137  
119 +=== Upgrade steps ===
138 138  
139 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
121 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
140 140  
123 +[[image:image-20220602102824-5.png]]
141 141  
142 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
143 143  
127 +[[image:image-20220602104701-12.png]]
144 144  
129 +==== Open the upgrade application software ====
145 145  
146 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
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/]]
147 147  
148 -
149 -(% style="color:blue" %)**1.  Open project**
150 -
151 -
152 -Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0>>https://www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0]]
153 -
154 -
155 -[[image:image-20220723172502-8.png]]
156 -
157 -
158 -
159 -(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
160 -
161 -
162 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
163 -
164 -
165 -
166 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
167 -
168 -
169 -(% style="color:blue" %)**1.  Open project**
170 -
171 -
172 -Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0>>https://www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0]]
173 -
174 -
175 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
176 -
177 -
178 -
179 -(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
180 -
181 -
182 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
183 -
184 -
185 -
186 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
187 -
188 -For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
189 -
190 -[[image:image-20220723175700-12.png||height="602" width="995"]]
191 -
192 -
193 -
194 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
195 -
196 -
197 -=== 1.8.1  Items needed for update ===
198 -
199 -
200 -1. LA66 LoRaWAN Shield
201 -1. Arduino
202 -1. USB TO TTL Adapter
203 -
204 -[[image:image-20220602100052-2.png||height="385" width="600"]]
205 -
206 -
207 -
208 -=== 1.8.2  Connection ===
209 -
210 -
211 -[[image:image-20220602101311-3.png||height="276" width="600"]]
212 -
213 -
214 -(((
215 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
216 -)))
217 -
218 -(((
219 -(% style="background-color:yellow" %)**GND  <-> GND
220 -TXD  <->  TXD
221 -RXD  <->  RXD**
222 -)))
223 -
224 -
225 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
226 -
227 -Connect USB TTL Adapter to PC after connecting the wires
228 -
229 -
230 -[[image:image-20220602102240-4.png||height="304" width="600"]]
231 -
232 -
233 -
234 -=== 1.8.3  Upgrade steps ===
235 -
236 -
237 -
238 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
239 -
240 -
241 -[[image:image-20220602102824-5.png||height="306" width="600"]]
242 -
243 -
244 -
245 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
246 -
247 -
248 -[[image:image-20220817085447-1.png]]
249 -
250 -
251 -
252 -
253 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
254 -
255 -
256 -(((
257 -(% style="color:blue" %)**1. 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/]]**
258 -)))
259 -
260 -
261 261  [[image:image-20220602103227-6.png]]
262 262  
263 -
264 264  [[image:image-20220602103357-7.png]]
265 265  
137 +===== Select the COM port corresponding to USB TTL =====
266 266  
267 -
268 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
269 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
270 -
271 -
272 272  [[image:image-20220602103844-8.png]]
273 273  
141 +===== Select the bin file to burn =====
274 274  
275 -
276 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
277 -(% style="color:blue" %)**3. Select the bin file to burn**
278 -
279 -
280 280  [[image:image-20220602104144-9.png]]
281 281  
282 -
283 283  [[image:image-20220602104251-10.png]]
284 284  
285 -
286 286  [[image:image-20220602104402-11.png]]
287 287  
149 +===== Click to start the download =====
288 288  
151 +[[image:image-20220602104923-13.png]]
289 289  
290 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
291 -(% style="color:blue" %)**4. Click to start the download**
153 +===== The following figure appears to prove that the burning is in progress =====
292 292  
293 -[[image:image-20220602104923-13.png]]
155 +[[image:image-20220602104948-14.png]]
294 294  
157 +===== The following picture appears to prove that the burning is successful =====
295 295  
159 +[[image:image-20220602105251-15.png]]
296 296  
297 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
298 -(% style="color:blue" %)**5. Check update process**
161 += LA66 USB LoRaWAN Adapter =
299 299  
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.
300 300  
301 -[[image:image-20220602104948-14.png]]
165 +== Pin Mapping & LED ==
302 302  
167 +== Example Send & Get Messages via LoRaWAN in PC ==
303 303  
169 +== Example Send & Get Messages via LoRaWAN in RPi ==
304 304  
305 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
306 -(% style="color:blue" %)**The following picture shows that the burning is successful**
171 +=== Install USB Driver ===
307 307  
308 -[[image:image-20220602105251-15.png]]
173 +Download Link:[[click here>>attach:CP210x_Universal_Windows_Driver.zip]]
309 309  
175 +=== Install Minicom ===
310 310  
177 +Enter the following command in the RPI terminal
311 311  
312 -= 2.  FAQ =
179 +apt update
313 313  
181 +[[image:image-20220602143155-1.png]]
314 314  
315 -== 2.1  How to Compile Source Code for LA66? ==
183 +apt install minicom
316 316  
185 +[[image:image-20220602143744-2.png]]
317 317  
318 -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]]
187 +=== Use AT Command to send an uplink message. ===
319 319  
189 +=== Send PC's CPU/RAM usage to TTN via script. ===
320 320  
191 +==== Take python as an example： ====
321 321  
322 -= 3.  Order Info =
193 +===== Preconditions: =====
323 323  
195 +1.LA66 LoRa Shield works fine
324 324  
325 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
197 +2.LA66 LoRa Shield is registered with TTN
326 326  
199 +===== Steps for usage =====
327 327  
328 -(% style="color:blue" %)**XXX**(%%): The default frequency band
201 +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
329 329  
330 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
331 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
332 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
333 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
334 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
335 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
336 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
337 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
338 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
203 +[[image:image-20220602114148-1.png]]
339 339  
205 +2.Run the script and see the TTN
340 340  
207 +[[image:image-20220602115852-3.png]]
341 341  
342 -= 4.  Reference =
343 343  
344 344  
345 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
211 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
346 346  
347 -
213 +
214 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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