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Last modified by Xiaoling on 2023/05/26 14:19
From version 148.3
edited by Xiaoling
on 2022/08/17 08:55
Change comment: There is no comment for this version
To version 57.1
edited by Herong Lu
on 2022/06/02 16:23
Change comment: Uploaded new attachment "image-20220602162331-12.png", version {1}

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Title
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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  
43 +LoRa Rx current: <9 mA
68 68  
45 +I/O Voltage: 3.3v
69 69  
70 70  
48 +== AT Command ==
71 71  
72 -== 1.3  Specification ==
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.
73 73  
74 74  
75 -* CPU: 32-bit 48 MHz
76 -* Flash: 256KB
77 -* RAM: 64KB
78 -* Input Power Range: 1.8v ~~ 3.7v
79 -* Power Consumption: < 4uA.
80 -* Frequency Range: 150 MHz ~~ 960 MHz
81 -* Maximum Power +22 dBm constant RF output
82 -* High sensitivity: -148 dBm
83 -* Temperature:
84 -** Storage: -55 ~~ +125℃
85 -** Operating: -40 ~~ +85℃
86 -* Humidity:
87 -** Storage: 5 ~~ 95% (Non-Condensing)
88 -** Operating: 10 ~~ 95% (Non-Condensing)
89 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
90 -* LoRa Rx current: <9 mA
91 -* I/O Voltage: 3.3v
53 +== Pin Mapping ==
92 92  
55 +[[image:image-20220523101537-1.png]]
93 93  
57 +== Land Pattern ==
94 94  
95 -== 1.4  Pin Mapping & LED ==
59 +[[image:image-20220517072821-2.png]]
96 96  
97 97  
98 -[[image:image-20220817085048-1.png]]
62 +== Part Number ==
99 99  
64 +Part Number: **LA66-XXX**
100 100  
101 -~1. The LED lights up red when there is an upstream data packet
102 -2. When the network is successfully connected, the green light will be on for 5 seconds
103 -3. Purple light on when receiving downlink data packets
66 +**XX**: The default frequency band
104 104  
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
105 105  
77 += LA66 LoRaWAN Shield =
106 106  
107 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
79 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
108 108  
81 +== Pin Mapping & LED ==
109 109  
110 -**Show connection diagram：**
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
111 111  
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
112 112  
113 -[[image:image-20220723170210-2.png||height="908" width="681"]]
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
114 114  
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
115 115  
91 +=== what needs to be used ===
116 116  
117 -(% style="color:blue" %)**1.  open Arduino IDE**
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
118 118  
95 +2.Arduino
119 119  
120 -[[image:image-20220723170545-4.png]]
97 +3.USB TO TTL
121 121  
99 +[[image:image-20220602100052-2.png]]
122 122  
101 +=== Wiring Schematic ===
123 123  
124 -(% style="color:blue" %)**2.  Open project**
103 +[[image:image-20220602101311-3.png]]
125 125  
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
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]]
107 +GND  >>>>>>>>>>>>GND
128 128  
129 -[[image:image-20220726135239-1.png]]
109 +TXD  >>>>>>>>>>>>TXD
130 130  
111 +RXD  >>>>>>>>>>>>RXD
131 131  
132 -(% 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
133 133  
134 -[[image:image-20220726135356-2.png]]
115 +Connect to the PC after connecting the wires
135 135  
117 +[[image:image-20220602102240-4.png]]
136 136  
137 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
119 +=== Upgrade steps ===
138 138  
121 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
139 139  
140 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
123 +[[image:image-20220602102824-5.png]]
141 141  
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
142 142  
127 +[[image:image-20220602104701-12.png]]
143 143  
144 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
129 +==== Open the upgrade application software ====
145 145  
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/]]
146 146  
147 -(% style="color:blue" %)**1.  Open project**
148 -
149 -
150 -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]]
151 -
152 -
153 -[[image:image-20220723172502-8.png]]
154 -
155 -
156 -
157 -(% 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**
158 -
159 -
160 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
161 -
162 -
163 -
164 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
165 -
166 -
167 -(% style="color:blue" %)**1.  Open project**
168 -
169 -
170 -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]]
171 -
172 -
173 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
174 -
175 -
176 -
177 -(% 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**
178 -
179 -
180 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
181 -
182 -
183 -
184 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
185 -
186 -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/]]
187 -
188 -[[image:image-20220723175700-12.png||height="602" width="995"]]
189 -
190 -
191 -
192 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
193 -
194 -
195 -=== 1.8.1  Items needed for update ===
196 -
197 -
198 -1. LA66 LoRaWAN Shield
199 -1. Arduino
200 -1. USB TO TTL Adapter
201 -
202 -[[image:image-20220602100052-2.png||height="385" width="600"]]
203 -
204 -
205 -
206 -=== 1.8.2  Connection ===
207 -
208 -
209 -[[image:image-20220602101311-3.png||height="276" width="600"]]
210 -
211 -
212 -(((
213 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
214 -)))
215 -
216 -(((
217 -(% style="background-color:yellow" %)**GND  <-> GND
218 -TXD  <->  TXD
219 -RXD  <->  RXD**
220 -)))
221 -
222 -
223 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
224 -
225 -Connect USB TTL Adapter to PC after connecting the wires
226 -
227 -
228 -[[image:image-20220602102240-4.png||height="304" width="600"]]
229 -
230 -
231 -
232 -=== 1.8.3  Upgrade steps ===
233 -
234 -
235 -
236 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
237 -
238 -
239 -[[image:image-20220602102824-5.png||height="306" width="600"]]
240 -
241 -
242 -
243 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
244 -
245 -
246 -[[image:image-20220817085447-1.png]]
247 -
248 -
249 -
250 -
251 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
252 -
253 -
254 -(((
255 -(% 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/]]**
256 -)))
257 -
258 -
259 259  [[image:image-20220602103227-6.png]]
260 260  
261 -
262 262  [[image:image-20220602103357-7.png]]
263 263  
137 +===== Select the COM port corresponding to USB TTL =====
264 264  
139 +[[image:image-20220602103844-8.png]]
265 265  
266 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
267 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
141 +===== Select the bin file to burn =====
268 268  
143 +[[image:image-20220602104144-9.png]]
269 269  
270 -[[image:image-20220602103844-8.png]]
145 +[[image:image-20220602104251-10.png]]
271 271  
147 +[[image:image-20220602104402-11.png]]
272 272  
149 +===== Click to start the download =====
273 273  
274 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
275 -(% style="color:blue" %)**3. Select the bin file to burn**
151 +[[image:image-20220602104923-13.png]]
276 276  
153 +===== The following figure appears to prove that the burning is in progress =====
277 277  
278 -[[image:image-20220602104144-9.png]]
155 +[[image:image-20220602104948-14.png]]
279 279  
157 +===== The following picture appears to prove that the burning is successful =====
280 280  
281 -[[image:image-20220602104251-10.png]]
159 +[[image:image-20220602105251-15.png]]
282 282  
161 += LA66 USB LoRaWAN Adapter =
283 283  
284 -[[image:image-20220602104402-11.png]]
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.
285 285  
165 +Before use, please make sure that the computer has installed the CP2102 driver
286 286  
167 +== Pin Mapping & LED ==
287 287  
288 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
289 -(% style="color:blue" %)**4. Click to start the download**
169 +== Example Send & Get Messages via LoRaWAN in PC ==
290 290  
291 -[[image:image-20220602104923-13.png]]
171 +== Example Send & Get Messages via LoRaWAN in RPi ==
292 292  
173 +Connect the LA66 LoRa Shield to the RPI
293 293  
175 +[[image:image-20220602153333-4.png]]
294 294  
295 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
296 -(% style="color:blue" %)**5. Check update process**
177 +Log in to the RPI's terminal and connect to the serial port
297 297  
179 +[[image:image-20220602153146-3.png]]
298 298  
299 -[[image:image-20220602104948-14.png]]
181 +Press the reset switch RST on the LA66 LoRa Shield.
182 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
300 300  
184 +[[image:image-20220602154928-5.png]]
301 301  
186 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
302 302  
303 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
304 -(% style="color:blue" %)**The following picture shows that the burning is successful**
188 +example: AT+SENDB=01,02,8,05820802581ea0a5
305 305  
306 -[[image:image-20220602105251-15.png]]
190 +[[image:image-20220602160339-6.png]]
307 307  
192 +Check to see if TTN received the message
308 308  
194 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
309 309  
310 -= 2.  FAQ =
196 +=== Install Minicom ===
311 311  
198 +Enter the following command in the RPI terminal
312 312  
313 -== 2.1  How to Compile Source Code for LA66? ==
200 +apt update
314 314  
202 +[[image:image-20220602143155-1.png]]
315 315  
316 -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]]
204 +apt install minicom
317 317  
206 +[[image:image-20220602143744-2.png]]
318 318  
208 +=== Use AT Command to send an uplink message. ===
319 319  
320 -= 3.  Order Info =
210 +=== Send PC's CPU/RAM usage to TTN via script. ===
321 321  
212 +==== Take python as an example： ====
322 322  
323 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
214 +===== Preconditions: =====
324 324  
216 +1.LA66 LoRa Shield works fine
325 325  
326 -(% style="color:blue" %)**XXX**(%%): The default frequency band
218 +2.LA66 LoRa Shield is registered with TTN
327 327  
328 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
329 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
330 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
331 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
332 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
333 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
334 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
335 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
336 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
220 +===== Steps for usage =====
337 337  
222 +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
338 338  
224 +[[image:image-20220602114148-1.png]]
339 339  
226 +2.Run the script and see the TTN
340 340  
341 -= 4.  Reference =
228 +[[image:image-20220602115852-3.png]]
342 342  
343 343  
344 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
345 345  
232 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
346 346  
347 -
234 +
235 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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