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Last modified by Xiaoling on 2023/05/26 14:19
From version 149.4
edited by Xiaoling
on 2022/08/17 10:02
Change comment: There is no comment for this version
To version 56.1
edited by Herong Lu
on 2022/06/02 16:21
Change comment: Uploaded new attachment "image-20220602162157-11.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  
43 +LoRa Rx current: <9 mA
68 68  
45 +I/O Voltage: 3.3v
69 69  
70 -== 1.3  Specification ==
71 71  
48 +== AT Command ==
72 72  
73 -* CPU: 32-bit 48 MHz
74 -* Flash: 256KB
75 -* RAM: 64KB
76 -* Input Power Range: 1.8v ~~ 3.7v
77 -* Power Consumption: < 4uA.
78 -* Frequency Range: 150 MHz ~~ 960 MHz
79 -* Maximum Power +22 dBm constant RF output
80 -* High sensitivity: -148 dBm
81 -* Temperature:
82 -** Storage: -55 ~~ +125℃
83 -** Operating: -40 ~~ +85℃
84 -* Humidity:
85 -** Storage: 5 ~~ 95% (Non-Condensing)
86 -** Operating: 10 ~~ 95% (Non-Condensing)
87 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
88 -* LoRa Rx current: <9 mA
89 -* I/O Voltage: 3.3v
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 91  
53 +== Pin Mapping ==
92 92  
93 -== 1.4  Pin Mapping & LED ==
55 +[[image:image-20220523101537-1.png]]
94 94  
57 +== Land Pattern ==
95 95  
96 -[[image:image-20220817085048-1.png]]
59 +[[image:image-20220517072821-2.png]]
97 97  
98 98  
62 +== Part Number ==
99 99  
100 -~1. The LED lights up red when there is an upstream data packet
101 -2. When the network is successfully connected, the green light will be on for 5 seconds
102 -3. Purple light on when receiving downlink data packets
64 +Part Number: **LA66-XXX**
103 103  
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  
106 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
77 += LA66 LoRaWAN Shield =
107 107  
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  
109 -**Show connection diagram：**
81 +== Pin Mapping & LED ==
110 110  
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
111 111  
112 -[[image:image-20220723170210-2.png||height="908" width="681"]]
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
113 113  
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  
116 -(% style="color:blue" %)**1.  open Arduino IDE**
91 +=== what needs to be used ===
117 117  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
118 118  
119 -[[image:image-20220723170545-4.png]]
95 +2.Arduino
120 120  
97 +3.USB TO TTL
121 121  
99 +[[image:image-20220602100052-2.png]]
122 122  
123 -(% style="color:blue" %)**2.  Open project**
101 +=== Wiring Schematic ===
124 124  
103 +[[image:image-20220602101311-3.png]]
125 125  
126 -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
127 127  
128 -[[image:image-20220726135239-1.png]]
107 +GND  >>>>>>>>>>>>GND
129 129  
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  
119 +=== Upgrade steps ===
137 137  
138 -(% 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 ====
139 139  
123 +[[image:image-20220602102824-5.png]]
140 140  
141 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
142 142  
127 +[[image:image-20220602104701-12.png]]
143 143  
129 +==== Open the upgrade application software ====
144 144  
145 -== 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/]]
146 146  
147 -
148 -(% style="color:blue" %)**1.  Open project**
149 -
150 -
151 -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]]
152 -
153 -
154 -[[image:image-20220723172502-8.png]]
155 -
156 -
157 -
158 -(% 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**
159 -
160 -
161 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
162 -
163 -
164 -
165 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
166 -
167 -
168 -(% style="color:blue" %)**1.  Open project**
169 -
170 -
171 -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]]
172 -
173 -
174 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
175 -
176 -
177 -
178 -(% 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**
179 -
180 -
181 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
182 -
183 -
184 -
185 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
186 -
187 -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/]]
188 -
189 -[[image:image-20220723175700-12.png||height="602" width="995"]]
190 -
191 -
192 -
193 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
194 -
195 -
196 -=== 1.8.1  Items needed for update ===
197 -
198 -
199 -1. LA66 LoRaWAN Shield
200 -1. Arduino
201 -1. USB TO TTL Adapter
202 -
203 -[[image:image-20220602100052-2.png||height="385" width="600"]]
204 -
205 -
206 -
207 -=== 1.8.2  Connection ===
208 -
209 -
210 -[[image:image-20220602101311-3.png||height="276" width="600"]]
211 -
212 -
213 -(((
214 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
215 -)))
216 -
217 -(((
218 -(% style="background-color:yellow" %)**GND  <-> GND
219 -TXD  <->  TXD
220 -RXD  <->  RXD**
221 -)))
222 -
223 -
224 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
225 -
226 -Connect USB TTL Adapter to PC after connecting the wires
227 -
228 -
229 -[[image:image-20220602102240-4.png||height="304" width="600"]]
230 -
231 -
232 -
233 -=== 1.8.3  Upgrade steps ===
234 -
235 -
236 -
237 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
238 -
239 -
240 -[[image:image-20220602102824-5.png||height="306" width="600"]]
241 -
242 -
243 -
244 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
245 -
246 -
247 -[[image:image-20220817085447-1.png]]
248 -
249 -
250 -
251 -
252 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
253 -
254 -
255 -(((
256 -(% 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/]]**
257 -)))
258 -
259 -
260 260  [[image:image-20220602103227-6.png]]
261 261  
262 -
263 263  [[image:image-20220602103357-7.png]]
264 264  
137 +===== Select the COM port corresponding to USB TTL =====
265 265  
139 +[[image:image-20220602103844-8.png]]
266 266  
267 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
268 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
141 +===== Select the bin file to burn =====
269 269  
143 +[[image:image-20220602104144-9.png]]
270 270  
271 -[[image:image-20220602103844-8.png]]
145 +[[image:image-20220602104251-10.png]]
272 272  
147 +[[image:image-20220602104402-11.png]]
273 273  
149 +===== Click to start the download =====
274 274  
275 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
276 -(% style="color:blue" %)**3. Select the bin file to burn**
151 +[[image:image-20220602104923-13.png]]
277 277  
153 +===== The following figure appears to prove that the burning is in progress =====
278 278  
279 -[[image:image-20220602104144-9.png]]
155 +[[image:image-20220602104948-14.png]]
280 280  
157 +===== The following picture appears to prove that the burning is successful =====
281 281  
282 -[[image:image-20220602104251-10.png]]
159 +[[image:image-20220602105251-15.png]]
283 283  
161 += LA66 USB LoRaWAN Adapter =
284 284  
285 -[[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.
286 286  
165 +Before use, please make sure that the computer has installed the CP2102 driver
287 287  
167 +== Pin Mapping & LED ==
288 288  
289 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
290 -(% style="color:blue" %)**4. Click to start the download**
169 +== Example Send & Get Messages via LoRaWAN in PC ==
291 291  
292 -[[image:image-20220602104923-13.png]]
171 +== Example Send & Get Messages via LoRaWAN in RPi ==
293 293  
173 +Connect the LA66 LoRa Shield to the RPI
294 294  
175 +[[image:image-20220602153333-4.png]]
295 295  
296 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
297 -(% style="color:blue" %)**5. Check update process**
177 +Log in to the RPI's terminal and connect to the serial port
298 298  
179 +[[image:image-20220602153146-3.png]]
299 299  
300 -[[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
301 301  
184 +[[image:image-20220602154928-5.png]]
302 302  
186 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
303 303  
304 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
305 -(% style="color:blue" %)**The following picture shows that the burning is successful**
188 +example: AT+SENDB=01,02,8,05820802581ea0a5
306 306  
307 -[[image:image-20220602105251-15.png]]
190 +[[image:image-20220602160339-6.png]]
308 308  
192 +Check to see if TTN received the message
309 309  
194 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
310 310  
311 -= 2.  FAQ =
196 +=== Install Minicom ===
312 312  
198 +Enter the following command in the RPI terminal
313 313  
314 -== 2.1  How to Compile Source Code for LA66? ==
200 +apt update
315 315  
202 +[[image:image-20220602143155-1.png]]
316 316  
317 -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
318 318  
206 +[[image:image-20220602143744-2.png]]
319 319  
208 +=== Use AT Command to send an uplink message. ===
320 320  
321 -= 3.  Order Info =
210 +=== Send PC's CPU/RAM usage to TTN via script. ===
322 322  
212 +==== Take python as an example： ====
323 323  
324 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
214 +===== Preconditions: =====
325 325  
216 +1.LA66 LoRa Shield works fine
326 326  
327 -(% style="color:blue" %)**XXX**(%%): The default frequency band
218 +2.LA66 LoRa Shield is registered with TTN
328 328  
329 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
330 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
331 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
332 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
333 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
334 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
335 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
336 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
337 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
220 +===== Steps for usage =====
338 338  
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
339 339  
224 +[[image:image-20220602114148-1.png]]
340 340  
226 +2.Run the script and see the TTN
341 341  
342 -= 4.  Reference =
228 +[[image:image-20220602115852-3.png]]
343 343  
344 344  
345 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
346 346  
347 -
232 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
233 +
234 +
235 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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