Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 146.7 >
edited by Xiaoling
on 2022/08/16 14:19
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 -
71 -== 1.3  Specification ==
72 -
73 -
74 -* CPU: 32-bit 48 MHz
75 -* Flash: 256KB
76 -* RAM: 64KB
77 77  * Input Power Range: 1.8v ~~ 3.7v
78 78  * Power Consumption: < 4uA.
79 79  * Frequency Range: 150 MHz ~~ 960 MHz
... ... @@ -90,252 +90,220 @@
90 90  * I/O Voltage: 3.3v
91 91  
92 92  
40 +== AT Command ==
93 93  
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 -== 1.4  Pin Mapping & LED ==
96 96  
45 +== Dimension ==
97 97  
98 -[[image:image-20220814101457-1.png||height="553" width="761"]]
47 +[[image:image-20220517072526-1.png]]
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
103 103  
50 +== Pin Mapping ==
104 104  
52 +[[image:image-20220523101537-1.png]]
105 105  
106 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
54 +== Land Pattern ==
107 107  
56 +[[image:image-20220517072821-2.png]]
108 108  
109 -**Show connection diagram：**
110 110  
59 +== Part Number ==
111 111  
112 -[[image:image-20220723170210-2.png||height="908" width="681"]]
61 +Part Number: **LA66-XXX**
113 113  
63 +**XX**: The default frequency band
114 114  
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  
116 -(% style="color:blue" %)**1.  open Arduino IDE**
74 += LA66 LoRaWAN Shield =
117 117  
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  
119 -[[image:image-20220723170545-4.png]]
78 +== Pin Mapping & LED ==
120 120  
80 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
121 121  
82 +== Example: Join TTN network and send an uplink message, get downlink message. ==
122 122  
123 -(% style="color:blue" %)**2.  Open project**
84 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
124 124  
86 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
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]]
88 +=== what needs to be used ===
127 127  
128 -[[image:image-20220726135239-1.png]]
90 +1.LA66 LoRaWAN Shield that needs to be upgraded
129 129  
92 +2.Arduino
130 130  
131 -(% 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**
94 +3.USB TO TTL
132 132  
133 -[[image:image-20220726135356-2.png]]
96 +[[image:image-20220602100052-2.png]]
134 134  
98 +=== Wiring Schematic ===
135 135  
136 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
100 +[[image:image-20220602101311-3.png]]
137 137  
102 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
138 138  
139 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
104 +GND  >>>>>>>>>>>>GND
140 140  
106 +TXD  >>>>>>>>>>>>TXD
141 141  
108 +RXD  >>>>>>>>>>>>RXD
142 142  
143 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
110 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
144 144  
112 +Connect to the PC after connecting the wires
145 145  
146 -(% style="color:blue" %)**1.  Open project**
114 +[[image:image-20220602102240-4.png]]
147 147  
116 +=== Upgrade steps ===
148 148  
149 -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]]
118 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
150 150  
120 +[[image:image-20220602102824-5.png]]
151 151  
152 -[[image:image-20220723172502-8.png]]
122 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
153 153  
124 +[[image:image-20220602104701-12.png]]
154 154  
126 +==== Open the upgrade application software ====
155 155  
156 -(% 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**
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/]]
157 157  
130 +[[image:image-20220602103227-6.png]]
158 158  
159 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
132 +[[image:image-20220602103357-7.png]]
160 160  
134 +===== Select the COM port corresponding to USB TTL =====
161 161  
136 +[[image:image-20220602103844-8.png]]
162 162  
163 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
138 +===== Select the bin file to burn =====
164 164  
140 +[[image:image-20220602104144-9.png]]
165 165  
166 -(% style="color:blue" %)**1.  Open project**
142 +[[image:image-20220602104251-10.png]]
167 167  
144 +[[image:image-20220602104402-11.png]]
168 168  
169 -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]]
146 +===== Click to start the download =====
170 170  
148 +[[image:image-20220602104923-13.png]]
171 171  
172 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
150 +===== The following figure appears to prove that the burning is in progress =====
173 173  
152 +[[image:image-20220602104948-14.png]]
174 174  
154 +===== The following picture appears to prove that the burning is successful =====
175 175  
176 -(% 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**
156 +[[image:image-20220602105251-15.png]]
177 177  
158 += LA66 USB LoRaWAN Adapter =
178 178  
179 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
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.
180 180  
162 +Before use, please make sure that the computer has installed the CP2102 driver
181 181  
164 +== Pin Mapping & LED ==
182 182  
183 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
166 +== Example Send & Get Messages via LoRaWAN in PC ==
184 184  
185 -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/]]
168 +Connect the LA66 LoRa Shield to the PC
186 186  
187 -[[image:image-20220723175700-12.png||height="602" width="995"]]
170 +[[image:image-20220602171217-1.png||height="615" width="915"]]
188 188  
172 +Open the serial port tool
189 189  
174 +[[image:image-20220602161617-8.png]]
190 190  
191 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
176 +[[image:image-20220602161718-9.png||height="529" width="927"]]
192 192  
178 +Press the reset switch RST on the LA66 LoRa Shield.
193 193  
194 -=== 1.8.1  Items needed for update ===
180 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
195 195  
182 +[[image:image-20220602161935-10.png]]
196 196  
197 -1. LA66 LoRaWAN Shield
198 -1. Arduino
199 -1. USB TO TTL Adapter
184 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
200 200  
201 -[[image:image-20220602100052-2.png||height="385" width="600"]]
186 +example: AT+SENDB=01,02,8,05820802581ea0a5
202 202  
188 +[[image:image-20220602162157-11.png]]
203 203  
190 +Check to see if TTN received the message
204 204  
205 -=== 1.8.2  Connection ===
192 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
206 206  
194 +== Example Send & Get Messages via LoRaWAN in RPi ==
207 207  
208 -[[image:image-20220602101311-3.png||height="276" width="600"]]
196 +Connect the LA66 LoRa Shield to the RPI
209 209  
198 +[[image:image-20220602171233-2.png||height="592" width="881"]]
210 210  
211 -(((
212 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
213 -)))
200 +Log in to the RPI's terminal and connect to the serial port
214 214  
215 -(((
216 -(% style="background-color:yellow" %)**GND  <-> GND
217 -TXD  <->  TXD
218 -RXD  <->  RXD**
219 -)))
202 +[[image:image-20220602153146-3.png]]
220 220  
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 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
207 +[[image:image-20220602154928-5.png]]
223 223  
224 -Connect USB TTL Adapter to PC after connecting the wires
209 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
225 225  
211 +example: AT+SENDB=01,02,8,05820802581ea0a5
226 226  
227 -[[image:image-20220602102240-4.png||height="304" width="600"]]
213 +[[image:image-20220602160339-6.png]]
228 228  
215 +Check to see if TTN received the message
229 229  
217 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
230 230  
231 -=== 2.8.3  Upgrade steps ===
219 +=== Install Minicom ===
232 232  
221 +Enter the following command in the RPI terminal
233 233  
234 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
223 +apt update
235 235  
225 +[[image:image-20220602143155-1.png]]
236 236  
237 -[[image:image-20220602102824-5.png||height="306" width="600"]]
227 +apt install minicom
238 238  
229 +[[image:image-20220602143744-2.png]]
239 239  
231 +=== Send PC's CPU/RAM usage to TTN via script. ===
240 240  
241 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
233 +==== Take python as an example： ====
242 242  
235 +===== Preconditions: =====
243 243  
244 -[[image:image-20220602104701-12.png||height="285" width="600"]]
237 +1.LA66 USB LoRaWAN Adapter works fine
245 245  
239 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
246 246  
241 +===== Steps for usage =====
247 247  
248 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
243 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
249 249  
245 +2.Run the script and see the TTN
250 250  
251 -(((
252 -(% 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/]]**
253 -)))
247 +[[image:image-20220602115852-3.png]]
254 254  
255 255  
256 -[[image:image-20220602103227-6.png]]
257 257  
251 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
258 258  
259 -[[image:image-20220602103357-7.png]]
260 260  
254 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
261 261  
262 -
263 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
264 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
265 -
266 -
267 -[[image:image-20220602103844-8.png]]
268 -
269 -
270 -
271 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
272 -(% style="color:blue" %)**3. Select the bin file to burn**
273 -
274 -
275 -[[image:image-20220602104144-9.png]]
276 -
277 -
278 -[[image:image-20220602104251-10.png]]
279 -
280 -
281 -[[image:image-20220602104402-11.png]]
282 -
283 -
284 -
285 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
286 -(% style="color:blue" %)**4. Click to start the download**
287 -
288 -[[image:image-20220602104923-13.png]]
289 -
290 -
291 -
292 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
293 -(% style="color:blue" %)**5. Check update process**
294 -
295 -
296 -[[image:image-20220602104948-14.png]]
297 -
298 -
299 -
300 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
301 -(% style="color:blue" %)**The following picture shows that the burning is successful**
302 -
303 -[[image:image-20220602105251-15.png]]
304 -
305 -
306 -
307 -= 2.  FAQ =
308 -
309 -
310 -== 2.1  How to Compile Source Code for LA66? ==
311 -
312 -
313 -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]]
314 -
315 -
316 -
317 -= 3.  Order Info =
318 -
319 -
320 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
321 -
322 -
323 -(% style="color:blue" %)**XXX**(%%): The default frequency band
324 -
325 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
326 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
327 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
328 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
329 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
330 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
331 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
332 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
333 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
334 -
335 -
336 -
337 -
338 -= 4.  Reference =
339 -
340 -
341 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
256 +
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