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Last modified by Xiaoling on 2023/05/26 14:19
From version 151.1
edited by Edwin Chen
on 2022/08/20 11:23
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To version 68.1
edited by Edwin Chen
on 2022/07/02 23:42
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
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 -* Support LoRaWAN v1.0.3 protocol
22 +* 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 -* AT Command via UART-TTL interface
65 -* Firmware upgradable via UART interface
66 -* Ultra-long RF range
67 67  
68 68  
69 -== 1.3  Specification ==
70 70  
71 71  
32 +== Specification ==
33 +
72 72  * CPU: 32-bit 48 MHz
73 73  * Flash: 256KB
74 74  * RAM: 64KB
... ... @@ -87,261 +87,222 @@
87 87  * LoRa Rx current: <9 mA
88 88  * I/O Voltage: 3.3v
89 89  
52 +== AT Command ==
90 90  
91 -== 1.4  Pin Mapping & LED ==
54 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
92 92  
93 93  
94 -[[image:image-20220817085048-1.png||height="533" width="734"]]
57 +== Dimension ==
95 95  
59 +[[image:image-20220517072526-1.png]]
96 96  
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
62 +== Pin Mapping ==
101 101  
64 +[[image:image-20220523101537-1.png]]
102 102  
103 -[[image:image-20220820112305-1.png||height="515" width="749"]]
66 +== Land Pattern ==
104 104  
68 +[[image:image-20220517072821-2.png]]
105 105  
106 106  
107 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
71 +== Part Number ==
108 108  
73 +Part Number: **LA66-XXX**
109 109  
110 -**Show connection diagram：**
75 +**XX**: The default frequency band
111 111  
77 +* **AS923**: LoRaWAN AS923 band
78 +* **AU915**: LoRaWAN AU915 band
79 +* **EU433**: LoRaWAN EU433 band
80 +* **EU868**: LoRaWAN EU868 band
81 +* **KR920**: LoRaWAN KR920 band
82 +* **US915**: LoRaWAN US915 band
83 +* **IN865**: LoRaWAN IN865 band
84 +* **CN470**: LoRaWAN CN470 band
85 +* **PP**: Peer to Peer LoRa Protocol
112 112  
113 -[[image:image-20220723170210-2.png||height="908" width="681"]]
114 114  
88 += LA66 LoRaWAN Shield =
115 115  
90 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
116 116  
117 -(% style="color:blue" %)**1.  open Arduino IDE**
92 +== Pin Mapping & LED ==
118 118  
94 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
119 119  
120 -[[image:image-20220723170545-4.png]]
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  
100 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
123 123  
124 -(% style="color:blue" %)**2.  Open project**
102 +=== what needs to be used ===
125 125  
104 +1.LA66 LoRaWAN Shield that needs to be upgraded
126 126  
127 -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]]
106 +2.Arduino
128 128  
129 -[[image:image-20220726135239-1.png]]
108 +3.USB TO TTL
130 130  
110 +[[image:image-20220602100052-2.png]]
131 131  
112 +=== Wiring Schematic ===
132 132  
133 -(% 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**
114 +[[image:image-20220602101311-3.png]]
134 134  
135 -[[image:image-20220726135356-2.png]]
116 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
136 136  
118 +GND  >>>>>>>>>>>>GND
137 137  
120 +TXD  >>>>>>>>>>>>TXD
138 138  
139 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
122 +RXD  >>>>>>>>>>>>RXD
140 140  
124 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
141 141  
142 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
126 +Connect to the PC after connecting the wires
143 143  
128 +[[image:image-20220602102240-4.png]]
144 144  
130 +=== Upgrade steps ===
145 145  
146 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
132 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
147 147  
134 +[[image:image-20220602102824-5.png]]
148 148  
149 -(% style="color:blue" %)**1.  Open project**
136 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
150 150  
138 +[[image:image-20220602104701-12.png]]
151 151  
152 -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]]
140 +==== Open the upgrade application software ====
153 153  
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/]]
154 154  
155 -[[image:image-20220723172502-8.png]]
144 +[[image:image-20220602103227-6.png]]
156 156  
146 +[[image:image-20220602103357-7.png]]
157 157  
148 +===== Select the COM port corresponding to USB TTL =====
158 158  
159 -(% 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**
150 +[[image:image-20220602103844-8.png]]
160 160  
152 +===== Select the bin file to burn =====
161 161  
162 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
154 +[[image:image-20220602104144-9.png]]
163 163  
156 +[[image:image-20220602104251-10.png]]
164 164  
158 +[[image:image-20220602104402-11.png]]
165 165  
166 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
160 +===== Click to start the download =====
167 167  
162 +[[image:image-20220602104923-13.png]]
168 168  
169 -(% style="color:blue" %)**1.  Open project**
164 +===== The following figure appears to prove that the burning is in progress =====
170 170  
166 +[[image:image-20220602104948-14.png]]
171 171  
172 -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]]
168 +===== The following picture appears to prove that the burning is successful =====
173 173  
170 +[[image:image-20220602105251-15.png]]
174 174  
175 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
172 += LA66 USB LoRaWAN Adapter =
176 176  
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.
177 177  
176 +Before use, please make sure that the computer has installed the CP2102 driver
178 178  
179 -(% 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**
178 +== Pin Mapping & LED ==
180 180  
180 +== Example Send & Get Messages via LoRaWAN in PC ==
181 181  
182 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
182 +Connect the LA66 LoRa Shield to the PC
183 183  
184 +[[image:image-20220602171217-1.png||height="615" width="915"]]
184 184  
186 +Open the serial port tool
185 185  
186 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
188 +[[image:image-20220602161617-8.png]]
187 187  
188 -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/]]
190 +[[image:image-20220602161718-9.png||height="529" width="927"]]
189 189  
190 -[[image:image-20220723175700-12.png||height="602" width="995"]]
192 +Press the reset switch RST on the LA66 LoRa Shield.
191 191  
194 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
192 192  
196 +[[image:image-20220602161935-10.png]]
193 193  
194 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
198 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
195 195  
200 +example: AT+SENDB=01,02,8,05820802581ea0a5
196 196  
197 -=== 1.8.1  Items needed for update ===
202 +[[image:image-20220602162157-11.png]]
198 198  
204 +Check to see if TTN received the message
199 199  
200 -1. LA66 LoRaWAN Shield
201 -1. Arduino
202 -1. USB TO TTL Adapter
206 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
203 203  
204 -[[image:image-20220602100052-2.png||height="385" width="600"]]
208 +== Example Send & Get Messages via LoRaWAN in RPi ==
205 205  
210 +Connect the LA66 LoRa Shield to the RPI
206 206  
212 +[[image:image-20220602171233-2.png||height="592" width="881"]]
207 207  
208 -=== 1.8.2  Connection ===
214 +Log in to the RPI's terminal and connect to the serial port
209 209  
216 +[[image:image-20220602153146-3.png]]
210 210  
211 -[[image:image-20220602101311-3.png||height="276" width="600"]]
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
212 212  
221 +[[image:image-20220602154928-5.png]]
213 213  
214 -(((
215 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
216 -)))
223 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
217 217  
218 -(((
219 -(% style="background-color:yellow" %)**GND  <-> GND
220 -TXD  <->  TXD
221 -RXD  <->  RXD**
222 -)))
225 +example: AT+SENDB=01,02,8,05820802581ea0a5
223 223  
227 +[[image:image-20220602160339-6.png]]
224 224  
225 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
229 +Check to see if TTN received the message
226 226  
227 -Connect USB TTL Adapter to PC after connecting the wires
231 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
228 228  
233 +=== Install Minicom ===
229 229  
230 -[[image:image-20220602102240-4.png||height="304" width="600"]]
235 +Enter the following command in the RPI terminal
231 231  
237 +apt update
232 232  
239 +[[image:image-20220602143155-1.png]]
233 233  
234 -=== 1.8.3  Upgrade steps ===
241 +apt install minicom
235 235  
243 +[[image:image-20220602143744-2.png]]
236 236  
245 +=== Send PC's CPU/RAM usage to TTN via script. ===
237 237  
238 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
247 +==== Take python as an example： ====
239 239  
249 +===== Preconditions: =====
240 240  
241 -[[image:image-20220602102824-5.png||height="306" width="600"]]
251 +1.LA66 USB LoRaWAN Adapter works fine
242 242  
253 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
243 243  
255 +===== Steps for usage =====
244 244  
245 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
257 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
246 246  
259 +2.Run the script and see the TTN
247 247  
248 -[[image:image-20220817085447-1.png]]
261 +[[image:image-20220602115852-3.png]]
249 249  
250 250  
251 251  
265 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
252 252  
253 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
254 254  
268 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
255 255  
256 -(((
257 -(% 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/]]**
258 -)))
259 -
260 -
261 -[[image:image-20220602103227-6.png]]
262 -
263 -
264 -[[image:image-20220602103357-7.png]]
265 -
266 -
267 -
268 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
269 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
270 -
271 -
272 -[[image:image-20220602103844-8.png]]
273 -
274 -
275 -
276 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
277 -(% style="color:blue" %)**3. Select the bin file to burn**
278 -
279 -
280 -[[image:image-20220602104144-9.png]]
281 -
282 -
283 -[[image:image-20220602104251-10.png]]
284 -
285 -
286 -[[image:image-20220602104402-11.png]]
287 -
288 -
289 -
290 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
291 -(% style="color:blue" %)**4. Click to start the download**
292 -
293 -[[image:image-20220602104923-13.png]]
294 -
295 -
296 -
297 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
298 -(% style="color:blue" %)**5. Check update process**
299 -
300 -
301 -[[image:image-20220602104948-14.png]]
302 -
303 -
304 -
305 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
306 -(% style="color:blue" %)**The following picture shows that the burning is successful**
307 -
308 -[[image:image-20220602105251-15.png]]
309 -
310 -
311 -
312 -= 2.  FAQ =
313 -
314 -
315 -== 2.1  How to Compile Source Code for LA66? ==
316 -
317 -
318 -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]]
319 -
320 -
321 -
322 -= 3.  Order Info =
323 -
324 -
325 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
326 -
327 -
328 -(% style="color:blue" %)**XXX**(%%): The default frequency band
329 -
330 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
331 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
332 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
333 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
334 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
335 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
336 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
337 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
338 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
339 -
340 -
341 -
342 -= 4.  Reference =
343 -
344 -
345 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
346 -
347 347  
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