Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 146.8 >
edited by Xiaoling
on 2022/08/16 14:21
To version < 66.1 >
edited by Edwin Chen
on 2022/07/02 23:32
>
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1 -LA66 LoRaWAN Shield 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  
10 -= 1.  LA66 LoRaWAN Shield =
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.
11 11  
12 -
13 -== 1.1  Overview ==
14 -
15 -
16 -(((
17 -[[image:image-20220715000826-2.png||height="145" width="220"]]
18 -)))
19 -
20 -(((
21 -
22 -)))
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 -)))
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 -)))
33 -
34 -(((
35 -(((
36 36  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 -)))
38 -)))
39 39  
40 -(((
41 -(((
42 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 -)))
45 45  
46 -(((
47 -(((
48 48  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 -)))
50 -)))
51 51  
19 +== Features ==
52 52  
53 53  
54 -== 1.2  Features ==
22 +== Specification ==
55 55  
56 -
57 -* Arduino Shield base on LA66 LoRaWAN module
58 -* Support LoRaWAN v1.0.4 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
67 -
68 -
69 -
70 -== 1.3  Specification ==
71 -
72 -
73 -* CPU: 32-bit 48 MHz
74 -* Flash: 256KB
75 -* RAM: 64KB
76 76  * Input Power Range: 1.8v ~~ 3.7v
77 77  * Power Consumption: < 4uA.
78 78  * Frequency Range: 150 MHz ~~ 960 MHz
... ... @@ -89,250 +89,220 @@
89 89  * I/O Voltage: 3.3v
90 90  
91 91  
40 +== AT Command ==
92 92  
93 -== 1.4  Pin Mapping & LED ==
42 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
94 94  
95 95  
96 -[[image:image-20220814101457-1.png||height="553" width="761"]]
45 +== Dimension ==
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
47 +[[image:image-20220517072526-1.png]]
101 101  
102 102  
50 +== Pin Mapping ==
103 103  
104 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
52 +[[image:image-20220523101537-1.png]]
105 105  
54 +== Land Pattern ==
106 106  
107 -**Show connection diagram：**
56 +[[image:image-20220517072821-2.png]]
108 108  
109 109  
110 -[[image:image-20220723170210-2.png||height="908" width="681"]]
59 +== Part Number ==
111 111  
61 +Part Number: **LA66-XXX**
112 112  
63 +**XX**: The default frequency band
113 113  
114 -(% style="color:blue" %)**1.  open Arduino IDE**
65 +* **AS923**: LoRaWAN AS923 band
66 +* **AU915**: LoRaWAN AU915 band
67 +* **EU433**: LoRaWAN EU433 band
68 +* **EU868**: LoRaWAN EU868 band
69 +* **KR920**: LoRaWAN KR920 band
70 +* **US915**: LoRaWAN US915 band
71 +* **IN865**: LoRaWAN IN865 band
72 +* **CN470**: LoRaWAN CN470 band
115 115  
74 += LA66 LoRaWAN Shield =
116 116  
117 -[[image:image-20220723170545-4.png]]
76 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
118 118  
78 +== Pin Mapping & LED ==
119 119  
80 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
120 120  
121 -(% style="color:blue" %)**2.  Open project**
82 +== Example: Join TTN network and send an uplink message, get downlink message. ==
122 122  
84 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
123 123  
124 -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]]
86 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
125 125  
126 -[[image:image-20220726135239-1.png]]
88 +=== what needs to be used ===
127 127  
90 +1.LA66 LoRaWAN Shield that needs to be upgraded
128 128  
129 -(% 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**
92 +2.Arduino
130 130  
131 -[[image:image-20220726135356-2.png]]
94 +3.USB TO TTL
132 132  
96 +[[image:image-20220602100052-2.png]]
133 133  
134 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
98 +=== Wiring Schematic ===
135 135  
100 +[[image:image-20220602101311-3.png]]
136 136  
137 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
102 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
138 138  
104 +GND  >>>>>>>>>>>>GND
139 139  
106 +TXD  >>>>>>>>>>>>TXD
140 140  
141 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
108 +RXD  >>>>>>>>>>>>RXD
142 142  
110 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
143 143  
144 -(% style="color:blue" %)**1.  Open project**
112 +Connect to the PC after connecting the wires
145 145  
114 +[[image:image-20220602102240-4.png]]
146 146  
147 -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]]
116 +=== Upgrade steps ===
148 148  
118 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
149 149  
150 -[[image:image-20220723172502-8.png]]
120 +[[image:image-20220602102824-5.png]]
151 151  
122 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
152 152  
124 +[[image:image-20220602104701-12.png]]
153 153  
154 -(% 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**
126 +==== Open the upgrade application software ====
155 155  
128 +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/]]
156 156  
157 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
130 +[[image:image-20220602103227-6.png]]
158 158  
132 +[[image:image-20220602103357-7.png]]
159 159  
134 +===== Select the COM port corresponding to USB TTL =====
160 160  
161 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
136 +[[image:image-20220602103844-8.png]]
162 162  
138 +===== Select the bin file to burn =====
163 163  
164 -(% style="color:blue" %)**1.  Open project**
140 +[[image:image-20220602104144-9.png]]
165 165  
142 +[[image:image-20220602104251-10.png]]
166 166  
167 -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]]
144 +[[image:image-20220602104402-11.png]]
168 168  
146 +===== Click to start the download =====
169 169  
170 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
148 +[[image:image-20220602104923-13.png]]
171 171  
150 +===== The following figure appears to prove that the burning is in progress =====
172 172  
152 +[[image:image-20220602104948-14.png]]
173 173  
174 -(% 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 +===== The following picture appears to prove that the burning is successful =====
175 175  
156 +[[image:image-20220602105251-15.png]]
176 176  
177 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
158 += LA66 USB LoRaWAN Adapter =
178 178  
160 +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.
179 179  
162 +Before use, please make sure that the computer has installed the CP2102 driver
180 180  
181 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
164 +== Pin Mapping & LED ==
182 182  
183 -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/]]
166 +== Example Send & Get Messages via LoRaWAN in PC ==
184 184  
185 -[[image:image-20220723175700-12.png||height="602" width="995"]]
168 +Connect the LA66 LoRa Shield to the PC
186 186  
170 +[[image:image-20220602171217-1.png||height="615" width="915"]]
187 187  
172 +Open the serial port tool
188 188  
189 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
174 +[[image:image-20220602161617-8.png]]
190 190  
176 +[[image:image-20220602161718-9.png||height="529" width="927"]]
191 191  
192 -=== 1.8.1  Items needed for update ===
178 +Press the reset switch RST on the LA66 LoRa Shield.
193 193  
180 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
194 194  
195 -1. LA66 LoRaWAN Shield
196 -1. Arduino
197 -1. USB TO TTL Adapter
182 +[[image:image-20220602161935-10.png]]
198 198  
199 -[[image:image-20220602100052-2.png||height="385" width="600"]]
184 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
200 200  
186 +example: AT+SENDB=01,02,8,05820802581ea0a5
201 201  
188 +[[image:image-20220602162157-11.png]]
202 202  
203 -=== 1.8.2  Connection ===
190 +Check to see if TTN received the message
204 204  
192 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
205 205  
206 -[[image:image-20220602101311-3.png||height="276" width="600"]]
194 +== Example Send & Get Messages via LoRaWAN in RPi ==
207 207  
196 +Connect the LA66 LoRa Shield to the RPI
208 208  
209 -(((
210 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
211 -)))
198 +[[image:image-20220602171233-2.png||height="592" width="881"]]
212 212  
213 -(((
214 -(% style="background-color:yellow" %)**GND  <-> GND
215 -TXD  <->  TXD
216 -RXD  <->  RXD**
217 -)))
200 +Log in to the RPI's terminal and connect to the serial port
218 218  
202 +[[image:image-20220602153146-3.png]]
219 219  
220 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
204 +Press the reset switch RST on the LA66 LoRa Shield.
205 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
221 221  
222 -Connect USB TTL Adapter to PC after connecting the wires
207 +[[image:image-20220602154928-5.png]]
223 223  
209 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
224 224  
225 -[[image:image-20220602102240-4.png||height="304" width="600"]]
211 +example: AT+SENDB=01,02,8,05820802581ea0a5
226 226  
213 +[[image:image-20220602160339-6.png]]
227 227  
215 +Check to see if TTN received the message
228 228  
229 -=== 1.8.3  Upgrade steps ===
217 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
230 230  
219 +=== Install Minicom ===
231 231  
232 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
221 +Enter the following command in the RPI terminal
233 233  
223 +apt update
234 234  
235 -[[image:image-20220602102824-5.png||height="306" width="600"]]
225 +[[image:image-20220602143155-1.png]]
236 236  
227 +apt install minicom
237 237  
229 +[[image:image-20220602143744-2.png]]
238 238  
239 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
231 +=== Send PC's CPU/RAM usage to TTN via script. ===
240 240  
233 +==== Take python as an example： ====
241 241  
242 -[[image:image-20220602104701-12.png||height="285" width="600"]]
235 +===== Preconditions: =====
243 243  
237 +1.LA66 USB LoRaWAN Adapter works fine
244 244  
239 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
245 245  
246 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
241 +===== Steps for usage =====
247 247  
243 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
248 248  
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 -)))
245 +2.Run the script and see the TTN
252 252  
247 +[[image:image-20220602115852-3.png]]
253 253  
254 -[[image:image-20220602103227-6.png]]
255 255  
256 256  
257 -[[image:image-20220602103357-7.png]]
251 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
258 258  
259 259  
254 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
260 260  
261 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
262 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
263 -
264 -
265 -[[image:image-20220602103844-8.png]]
266 -
267 -
268 -
269 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
270 -(% style="color:blue" %)**3. Select the bin file to burn**
271 -
272 -
273 -[[image:image-20220602104144-9.png]]
274 -
275 -
276 -[[image:image-20220602104251-10.png]]
277 -
278 -
279 -[[image:image-20220602104402-11.png]]
280 -
281 -
282 -
283 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
284 -(% style="color:blue" %)**4. Click to start the download**
285 -
286 -[[image:image-20220602104923-13.png]]
287 -
288 -
289 -
290 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
291 -(% style="color:blue" %)**5. Check update process**
292 -
293 -
294 -[[image:image-20220602104948-14.png]]
295 -
296 -
297 -
298 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
299 -(% style="color:blue" %)**The following picture shows that the burning is successful**
300 -
301 -[[image:image-20220602105251-15.png]]
302 -
303 -
304 -
305 -= 2.  FAQ =
306 -
307 -
308 -== 2.1  How to Compile Source Code for LA66? ==
309 -
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]]
312 -
313 -
314 -
315 -= 3.  Order Info =
316 -
317 -
318 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
319 -
320 -
321 -(% style="color:blue" %)**XXX**(%%): The default frequency band
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 -
333 -
334 -
335 -= 4.  Reference =
336 -
337 -
338 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
256 +
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