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 < 69.1 >
edited by Edwin Chen
on 2022/07/02 23:51
>
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 -
56 -
57 -* Arduino Shield base on LA66 LoRaWAN module
58 58  * Support LoRaWAN v1.0.4 protocol
59 59  * Support peer-to-peer protocol
60 60  * TCXO crystal to ensure RF performance on low temperature
61 -* SMA connector
25 +* SMD Antenna pad and i-pex antenna connector
62 62  * Available in different frequency LoRaWAN frequency bands.
63 63  * World-wide unique OTAA keys.
64 64  * AT Command via UART-TTL interface
... ... @@ -66,11 +66,8 @@
66 66  * Ultra-long RF range
67 67  
68 68  
33 +== Specification ==
69 69  
70 -
71 -== 1.3  Specification ==
72 -
73 -
74 74  * CPU: 32-bit 48 MHz
75 75  * Flash: 256KB
76 76  * RAM: 64KB
... ... @@ -89,253 +89,221 @@
89 89  * LoRa Rx current: <9 mA
90 90  * I/O Voltage: 3.3v
91 91  
53 +== AT Command ==
92 92  
55 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
93 93  
94 94  
95 -== 1.4  Pin Mapping & LED ==
58 +== Dimension ==
96 96  
60 +[[image:image-20220517072526-1.png]]
97 97  
98 -[[image:image-20220814101457-1.png||height="553" width="761"]]
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
63 +== Pin Mapping ==
103 103  
65 +[[image:image-20220523101537-1.png]]
104 104  
67 +== Land Pattern ==
105 105  
106 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
69 +[[image:image-20220517072821-2.png]]
107 107  
108 108  
109 -**Show connection diagram：**
72 +== Part Number ==
110 110  
74 +Part Number: **LA66-XXX**
111 111  
112 -[[image:image-20220723170210-2.png||height="908" width="681"]]
76 +**XX**: The default frequency band
113 113  
78 +* **AS923**: LoRaWAN AS923 band
79 +* **AU915**: LoRaWAN AU915 band
80 +* **EU433**: LoRaWAN EU433 band
81 +* **EU868**: LoRaWAN EU868 band
82 +* **KR920**: LoRaWAN KR920 band
83 +* **US915**: LoRaWAN US915 band
84 +* **IN865**: LoRaWAN IN865 band
85 +* **CN470**: LoRaWAN CN470 band
86 +* **PP**: Peer to Peer LoRa Protocol
114 114  
88 += LA66 LoRaWAN Shield =
115 115  
116 -(% style="color:blue" %)**1.  open Arduino IDE**
90 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
117 117  
92 +== Pin Mapping & LED ==
118 118  
119 -[[image:image-20220723170545-4.png]]
94 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
120 120  
96 +== Example: Join TTN network and send an uplink message, get downlink message. ==
121 121  
98 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
122 122  
123 -(% style="color:blue" %)**2.  Open project**
100 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
124 124  
102 +=== what needs to be used ===
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]]
104 +1.LA66 LoRaWAN Shield that needs to be upgraded
127 127  
128 -[[image:image-20220726135239-1.png]]
106 +2.Arduino
129 129  
108 +3.USB TO TTL
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**
110 +[[image:image-20220602100052-2.png]]
132 132  
133 -[[image:image-20220726135356-2.png]]
112 +=== Wiring Schematic ===
134 134  
114 +[[image:image-20220602101311-3.png]]
135 135  
136 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
116 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
137 137  
118 +GND  >>>>>>>>>>>>GND
138 138  
139 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
120 +TXD  >>>>>>>>>>>>TXD
140 140  
122 +RXD  >>>>>>>>>>>>RXD
141 141  
124 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
142 142  
143 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
126 +Connect to the PC after connecting the wires
144 144  
128 +[[image:image-20220602102240-4.png]]
145 145  
146 -(% style="color:blue" %)**1.  Open project**
130 +=== Upgrade steps ===
147 147  
132 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
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]]
134 +[[image:image-20220602102824-5.png]]
150 150  
136 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
151 151  
152 -[[image:image-20220723172502-8.png]]
138 +[[image:image-20220602104701-12.png]]
153 153  
140 +==== Open the upgrade application software ====
154 154  
142 +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/]]
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**
144 +[[image:image-20220602103227-6.png]]
157 157  
146 +[[image:image-20220602103357-7.png]]
158 158  
159 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
148 +===== Select the COM port corresponding to USB TTL =====
160 160  
150 +[[image:image-20220602103844-8.png]]
161 161  
152 +===== Select the bin file to burn =====
162 162  
163 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
154 +[[image:image-20220602104144-9.png]]
164 164  
156 +[[image:image-20220602104251-10.png]]
165 165  
166 -(% style="color:blue" %)**1.  Open project**
158 +[[image:image-20220602104402-11.png]]
167 167  
160 +===== Click to start the download =====
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]]
162 +[[image:image-20220602104923-13.png]]
170 170  
164 +===== The following figure appears to prove that the burning is in progress =====
171 171  
172 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
166 +[[image:image-20220602104948-14.png]]
173 173  
168 +===== The following picture appears to prove that the burning is successful =====
174 174  
170 +[[image:image-20220602105251-15.png]]
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**
172 += LA66 USB LoRaWAN Adapter =
177 177  
174 +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.
178 178  
179 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
176 +Before use, please make sure that the computer has installed the CP2102 driver
180 180  
178 +== Pin Mapping & LED ==
181 181  
180 +== Example Send & Get Messages via LoRaWAN in PC ==
182 182  
183 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
182 +Connect the LA66 LoRa Shield to the 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/]]
184 +[[image:image-20220602171217-1.png||height="615" width="915"]]
186 186  
187 -[[image:image-20220723175700-12.png||height="602" width="995"]]
186 +Open the serial port tool
188 188  
188 +[[image:image-20220602161617-8.png]]
189 189  
190 +[[image:image-20220602161718-9.png||height="529" width="927"]]
190 190  
191 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
192 +Press the reset switch RST on the LA66 LoRa Shield.
192 192  
194 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
193 193  
194 -=== 1.8.1  Items needed for update ===
196 +[[image:image-20220602161935-10.png]]
195 195  
198 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
196 196  
197 -1. LA66 LoRaWAN Shield
198 -1. Arduino
199 -1. USB TO TTL Adapter
200 +example: AT+SENDB=01,02,8,05820802581ea0a5
200 200  
201 -[[image:image-20220602100052-2.png||height="385" width="600"]]
202 +[[image:image-20220602162157-11.png]]
202 202  
204 +Check to see if TTN received the message
203 203  
206 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
204 204  
205 -=== 1.8.2  Connection ===
208 +== Example Send & Get Messages via LoRaWAN in RPi ==
206 206  
210 +Connect the LA66 LoRa Shield to the RPI
207 207  
208 -[[image:image-20220602101311-3.png||height="276" width="600"]]
212 +[[image:image-20220602171233-2.png||height="592" width="881"]]
209 209  
214 +Log in to the RPI's terminal and connect to the serial port
210 210  
211 -(((
212 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
213 -)))
216 +[[image:image-20220602153146-3.png]]
214 214  
215 -(((
216 -(% style="background-color:yellow" %)**GND  <-> GND
217 -TXD  <->  TXD
218 -RXD  <->  RXD**
219 -)))
218 +Press the reset switch RST on the LA66 LoRa Shield.
219 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
220 220  
221 +[[image:image-20220602154928-5.png]]
221 221  
222 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
223 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
223 223  
224 -Connect USB TTL Adapter to PC after connecting the wires
225 +example: AT+SENDB=01,02,8,05820802581ea0a5
225 225  
227 +[[image:image-20220602160339-6.png]]
226 226  
227 -[[image:image-20220602102240-4.png||height="304" width="600"]]
229 +Check to see if TTN received the message
228 228  
231 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
229 229  
233 +=== Install Minicom ===
230 230  
231 -=== 2.8.3  Upgrade steps ===
235 +Enter the following command in the RPI terminal
232 232  
237 +apt update
233 233  
234 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
239 +[[image:image-20220602143155-1.png]]
235 235  
241 +apt install minicom
236 236  
237 -[[image:image-20220602102824-5.png||height="306" width="600"]]
243 +[[image:image-20220602143744-2.png]]
238 238  
245 +=== Send PC's CPU/RAM usage to TTN via script. ===
239 239  
247 +==== Take python as an example： ====
240 240  
241 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
249 +===== Preconditions: =====
242 242  
251 +1.LA66 USB LoRaWAN Adapter works fine
243 243  
244 -[[image:image-20220602104701-12.png||height="285" width="600"]]
253 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
245 245  
255 +===== Steps for usage =====
246 246  
257 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
247 247  
248 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
259 +2.Run the script and see the TTN
249 249  
261 +[[image:image-20220602115852-3.png]]
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 -)))
254 254  
255 255  
256 -[[image:image-20220602103227-6.png]]
265 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
257 257  
258 258  
259 -[[image:image-20220602103357-7.png]]
268 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
260 260  
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]]
270 +
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