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Last modified by Xiaoling on 2023/05/26 14:19
From version 147.2
edited by Xiaoling
on 2022/08/17 08:50
Change comment: There is no comment for this version
To version 67.1
edited by Edwin Chen
on 2022/07/02 23:33
Change comment: There is no comment for this version

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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.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  
52 52  
20 +== Features ==
53 53  
54 -== 1.2  Features ==
55 55  
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
24 +== Specification ==
67 67  
68 -
69 -== 1.3  Specification ==
70 -
71 -
72 -* CPU: 32-bit 48 MHz
73 -* Flash: 256KB
74 -* RAM: 64KB
75 75  * Input Power Range: 1.8v ~~ 3.7v
76 76  * Power Consumption: < 4uA.
77 77  * Frequency Range: 150 MHz ~~ 960 MHz
... ... @@ -87,251 +87,220 @@
87 87  * LoRa Rx current: <9 mA
88 88  * I/O Voltage: 3.3v
89 89  
41 +== AT Command ==
90 90  
43 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
91 91  
92 92  
93 -== 1.4  Pin Mapping & LED ==
46 +== Dimension ==
94 94  
48 +[[image:image-20220517072526-1.png]]
95 95  
96 -[[image:image-20220817085048-1.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
51 +== Pin Mapping ==
101 101  
53 +[[image:image-20220523101537-1.png]]
102 102  
55 +== Land Pattern ==
103 103  
104 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
57 +[[image:image-20220517072821-2.png]]
105 105  
106 106  
107 -**Show connection diagram：**
60 +== Part Number ==
108 108  
62 +Part Number: **LA66-XXX**
109 109  
110 -[[image:image-20220723170210-2.png||height="908" width="681"]]
64 +**XX**: The default frequency band
111 111  
66 +* **AS923**: LoRaWAN AS923 band
67 +* **AU915**: LoRaWAN AU915 band
68 +* **EU433**: LoRaWAN EU433 band
69 +* **EU868**: LoRaWAN EU868 band
70 +* **KR920**: LoRaWAN KR920 band
71 +* **US915**: LoRaWAN US915 band
72 +* **IN865**: LoRaWAN IN865 band
73 +* **CN470**: LoRaWAN CN470 band
112 112  
75 += LA66 LoRaWAN Shield =
113 113  
114 -(% style="color:blue" %)**1.  open Arduino IDE**
77 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
115 115  
79 +== Pin Mapping & LED ==
116 116  
117 -[[image:image-20220723170545-4.png]]
81 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
118 118  
83 +== Example: Join TTN network and send an uplink message, get downlink message. ==
119 119  
85 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
120 120  
121 -(% style="color:blue" %)**2.  Open project**
87 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
122 122  
89 +=== what needs to be used ===
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]]
91 +1.LA66 LoRaWAN Shield that needs to be upgraded
125 125  
126 -[[image:image-20220726135239-1.png]]
93 +2.Arduino
127 127  
95 +3.USB TO TTL
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**
97 +[[image:image-20220602100052-2.png]]
130 130  
131 -[[image:image-20220726135356-2.png]]
99 +=== Wiring Schematic ===
132 132  
101 +[[image:image-20220602101311-3.png]]
133 133  
134 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
103 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
135 135  
105 +GND  >>>>>>>>>>>>GND
136 136  
137 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
107 +TXD  >>>>>>>>>>>>TXD
138 138  
109 +RXD  >>>>>>>>>>>>RXD
139 139  
111 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
140 140  
141 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
113 +Connect to the PC after connecting the wires
142 142  
115 +[[image:image-20220602102240-4.png]]
143 143  
144 -(% style="color:blue" %)**1.  Open project**
117 +=== Upgrade steps ===
145 145  
119 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
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]]
121 +[[image:image-20220602102824-5.png]]
148 148  
123 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
149 149  
150 -[[image:image-20220723172502-8.png]]
125 +[[image:image-20220602104701-12.png]]
151 151  
127 +==== Open the upgrade application software ====
152 152  
129 +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/]]
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**
131 +[[image:image-20220602103227-6.png]]
155 155  
133 +[[image:image-20220602103357-7.png]]
156 156  
157 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
135 +===== Select the COM port corresponding to USB TTL =====
158 158  
137 +[[image:image-20220602103844-8.png]]
159 159  
139 +===== Select the bin file to burn =====
160 160  
161 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
141 +[[image:image-20220602104144-9.png]]
162 162  
143 +[[image:image-20220602104251-10.png]]
163 163  
164 -(% style="color:blue" %)**1.  Open project**
145 +[[image:image-20220602104402-11.png]]
165 165  
147 +===== Click to start the download =====
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]]
149 +[[image:image-20220602104923-13.png]]
168 168  
151 +===== The following figure appears to prove that the burning is in progress =====
169 169  
170 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
153 +[[image:image-20220602104948-14.png]]
171 171  
155 +===== The following picture appears to prove that the burning is successful =====
172 172  
157 +[[image:image-20220602105251-15.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**
159 += LA66 USB LoRaWAN Adapter =
175 175  
161 +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.
176 176  
177 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
163 +Before use, please make sure that the computer has installed the CP2102 driver
178 178  
165 +== Pin Mapping & LED ==
179 179  
167 +== Example Send & Get Messages via LoRaWAN in PC ==
180 180  
181 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
169 +Connect the LA66 LoRa Shield to the PC
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/]]
171 +[[image:image-20220602171217-1.png||height="615" width="915"]]
184 184  
185 -[[image:image-20220723175700-12.png||height="602" width="995"]]
173 +Open the serial port tool
186 186  
175 +[[image:image-20220602161617-8.png]]
187 187  
177 +[[image:image-20220602161718-9.png||height="529" width="927"]]
188 188  
189 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
179 +Press the reset switch RST on the LA66 LoRa Shield.
190 190  
181 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
191 191  
192 -=== 1.8.1  Items needed for update ===
183 +[[image:image-20220602161935-10.png]]
193 193  
185 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
194 194  
195 -1. LA66 LoRaWAN Shield
196 -1. Arduino
197 -1. USB TO TTL Adapter
187 +example: AT+SENDB=01,02,8,05820802581ea0a5
198 198  
199 -[[image:image-20220602100052-2.png||height="385" width="600"]]
189 +[[image:image-20220602162157-11.png]]
200 200  
191 +Check to see if TTN received the message
201 201  
193 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
202 202  
203 -=== 1.8.2  Connection ===
195 +== Example Send & Get Messages via LoRaWAN in RPi ==
204 204  
197 +Connect the LA66 LoRa Shield to the RPI
205 205  
206 -[[image:image-20220602101311-3.png||height="276" width="600"]]
199 +[[image:image-20220602171233-2.png||height="592" width="881"]]
207 207  
201 +Log in to the RPI's terminal and connect to the serial port
208 208  
209 -(((
210 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
211 -)))
203 +[[image:image-20220602153146-3.png]]
212 212  
213 -(((
214 -(% style="background-color:yellow" %)**GND  <-> GND
215 -TXD  <->  TXD
216 -RXD  <->  RXD**
217 -)))
205 +Press the reset switch RST on the LA66 LoRa Shield.
206 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
218 218  
208 +[[image:image-20220602154928-5.png]]
219 219  
220 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
210 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
221 221  
222 -Connect USB TTL Adapter to PC after connecting the wires
212 +example: AT+SENDB=01,02,8,05820802581ea0a5
223 223  
214 +[[image:image-20220602160339-6.png]]
224 224  
225 -[[image:image-20220602102240-4.png||height="304" width="600"]]
216 +Check to see if TTN received the message
226 226  
218 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
227 227  
220 +=== Install Minicom ===
228 228  
229 -=== 1.8.3  Upgrade steps ===
222 +Enter the following command in the RPI terminal
230 230  
224 +apt update
231 231  
226 +[[image:image-20220602143155-1.png]]
232 232  
233 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
228 +apt install minicom
234 234  
230 +[[image:image-20220602143744-2.png]]
235 235  
236 -[[image:image-20220602102824-5.png||height="306" width="600"]]
232 +=== Send PC's CPU/RAM usage to TTN via script. ===
237 237  
234 +==== Take python as an example： ====
238 238  
236 +===== Preconditions: =====
239 239  
240 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
238 +1.LA66 USB LoRaWAN Adapter works fine
241 241  
240 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
242 242  
243 -[[image:image-20220602104701-12.png||height="285" width="600"]]
242 +===== Steps for usage =====
244 244  
244 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
245 245  
246 +2.Run the script and see the TTN
246 246  
247 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
248 +[[image:image-20220602115852-3.png]]
248 248  
249 249  
250 -(((
251 -(% 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/]]**
252 -)))
253 253  
252 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
254 254  
255 -[[image:image-20220602103227-6.png]]
256 256  
255 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
257 257  
258 -[[image:image-20220602103357-7.png]]
259 -
260 -
261 -
262 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
263 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
264 -
265 -
266 -[[image:image-20220602103844-8.png]]
267 -
268 -
269 -
270 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
271 -(% style="color:blue" %)**3. Select the bin file to burn**
272 -
273 -
274 -[[image:image-20220602104144-9.png]]
275 -
276 -
277 -[[image:image-20220602104251-10.png]]
278 -
279 -
280 -[[image:image-20220602104402-11.png]]
281 -
282 -
283 -
284 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
285 -(% style="color:blue" %)**4. Click to start the download**
286 -
287 -[[image:image-20220602104923-13.png]]
288 -
289 -
290 -
291 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
292 -(% style="color:blue" %)**5. Check update process**
293 -
294 -
295 -[[image:image-20220602104948-14.png]]
296 -
297 -
298 -
299 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
300 -(% style="color:blue" %)**The following picture shows that the burning is successful**
301 -
302 -[[image:image-20220602105251-15.png]]
303 -
304 -
305 -
306 -= 2.  FAQ =
307 -
308 -
309 -== 2.1  How to Compile Source Code for LA66? ==
310 -
311 -
312 -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]]
313 -
314 -
315 -
316 -= 3.  Order Info =
317 -
318 -
319 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
320 -
321 -
322 -(% style="color:blue" %)**XXX**(%%): The default frequency band
323 -
324 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
325 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
326 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
327 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
328 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
329 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
330 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
331 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
332 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
333 -
334 -= 4.  Reference =
335 -
336 -
337 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
257 +
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