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Last modified by Xiaoling on 2023/05/26 14:19
From version 148.2
edited by Xiaoling
on 2022/08/17 08:54
Change comment: There is no comment for this version
To version 45.1
edited by Herong Lu
on 2022/06/02 14:37
Change comment: Uploaded new attachment "image-20220602143744-2.png", version {1}

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