Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 146.9 >
edited by Xiaoling
on 2022/08/16 14:21
To version < 65.1 >
edited by Edwin Chen
on 2022/07/02 23:30
>
Change comment: There is no comment for this version

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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  
24 +[[image:image-20220517072526-1.png]]
56 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
26 +Input Power Range: 1.8v ~~ 3.7v
67 67  
28 +Power Consumption: < 4uA.
68 68  
30 +Frequency Range: 150 MHz ~~ 960 MHz
69 69  
70 -== 1.3  Specification ==
32 +Maximum Power +22 dBm constant RF output
71 71  
34 +High sensitivity: -148 dBm
72 72  
73 -* CPU: 32-bit 48 MHz
74 -* Flash: 256KB
75 -* RAM: 64KB
76 -* Input Power Range: 1.8v ~~ 3.7v
77 -* Power Consumption: < 4uA.
78 -* Frequency Range: 150 MHz ~~ 960 MHz
79 -* Maximum Power +22 dBm constant RF output
80 -* High sensitivity: -148 dBm
81 -* Temperature:
82 -** Storage: -55 ~~ +125℃
83 -** Operating: -40 ~~ +85℃
84 -* Humidity:
85 -** Storage: 5 ~~ 95% (Non-Condensing)
86 -** Operating: 10 ~~ 95% (Non-Condensing)
87 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
88 -* LoRa Rx current: <9 mA
89 -* I/O Voltage: 3.3v
36 +Temperature:
90 90  
38 +* Storage: -55 ~~ +125℃
39 +* Operating: -40 ~~ +85℃
91 91  
41 +Humidity:
92 92  
93 -== 1.4  Pin Mapping & LED ==
43 +* Storage: 5 ~~ 95% (Non-Condensing)
44 +* Operating: 10 ~~ 95% (Non-Condensing)
94 94  
46 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
95 95  
96 -[[image:image-20220814101457-1.png||height="553" width="761"]]
48 +LoRa Rx current: <9 mA
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
50 +I/O Voltage: 3.3v
101 101  
102 102  
53 +== AT Command ==
103 103  
104 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
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.
105 105  
106 106  
107 -**Show connection diagram：**
58 +== Pin Mapping ==
108 108  
60 +[[image:image-20220523101537-1.png]]
109 109  
110 -[[image:image-20220723170210-2.png||height="908" width="681"]]
62 +== Land Pattern ==
111 111  
64 +[[image:image-20220517072821-2.png]]
112 112  
113 113  
114 -(% style="color:blue" %)**1.  open Arduino IDE**
67 +== Part Number ==
115 115  
69 +Part Number: **LA66-XXX**
116 116  
117 -[[image:image-20220723170545-4.png]]
71 +**XX**: The default frequency band
118 118  
73 +* **AS923**: LoRaWAN AS923 band
74 +* **AU915**: LoRaWAN AU915 band
75 +* **EU433**: LoRaWAN EU433 band
76 +* **EU868**: LoRaWAN EU868 band
77 +* **KR920**: LoRaWAN KR920 band
78 +* **US915**: LoRaWAN US915 band
79 +* **IN865**: LoRaWAN IN865 band
80 +* **CN470**: LoRaWAN CN470 band
119 119  
82 += LA66 LoRaWAN Shield =
120 120  
121 -(% style="color:blue" %)**2.  Open project**
84 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
122 122  
86 +== Pin Mapping & LED ==
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]]
88 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
125 125  
126 -[[image:image-20220726135239-1.png]]
90 +== Example: Join TTN network and send an uplink message, get downlink message. ==
127 127  
92 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
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**
94 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
130 130  
131 -[[image:image-20220726135356-2.png]]
96 +=== what needs to be used ===
132 132  
98 +1.LA66 LoRaWAN Shield that needs to be upgraded
133 133  
134 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
100 +2.Arduino
135 135  
102 +3.USB TO TTL
136 136  
137 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
104 +[[image:image-20220602100052-2.png]]
138 138  
106 +=== Wiring Schematic ===
139 139  
108 +[[image:image-20220602101311-3.png]]
140 140  
141 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
110 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
142 142  
112 +GND  >>>>>>>>>>>>GND
143 143  
144 -(% style="color:blue" %)**1.  Open project**
114 +TXD  >>>>>>>>>>>>TXD
145 145  
116 +RXD  >>>>>>>>>>>>RXD
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]]
118 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
148 148  
120 +Connect to the PC after connecting the wires
149 149  
150 -[[image:image-20220723172502-8.png]]
122 +[[image:image-20220602102240-4.png]]
151 151  
124 +=== Upgrade steps ===
152 152  
126 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
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**
128 +[[image:image-20220602102824-5.png]]
155 155  
130 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
156 156  
157 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
132 +[[image:image-20220602104701-12.png]]
158 158  
134 +==== Open the upgrade application software ====
159 159  
136 +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/]]
160 160  
161 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
138 +[[image:image-20220602103227-6.png]]
162 162  
140 +[[image:image-20220602103357-7.png]]
163 163  
164 -(% style="color:blue" %)**1.  Open project**
142 +===== Select the COM port corresponding to USB TTL =====
165 165  
144 +[[image:image-20220602103844-8.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]]
146 +===== Select the bin file to burn =====
168 168  
148 +[[image:image-20220602104144-9.png]]
169 169  
170 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
150 +[[image:image-20220602104251-10.png]]
171 171  
152 +[[image:image-20220602104402-11.png]]
172 172  
154 +===== Click to start the download =====
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**
156 +[[image:image-20220602104923-13.png]]
175 175  
158 +===== The following figure appears to prove that the burning is in progress =====
176 176  
177 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
160 +[[image:image-20220602104948-14.png]]
178 178  
162 +===== The following picture appears to prove that the burning is successful =====
179 179  
164 +[[image:image-20220602105251-15.png]]
180 180  
181 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
166 += LA66 USB LoRaWAN Adapter =
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/]]
168 +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.
184 184  
185 -[[image:image-20220723175700-12.png||height="602" width="995"]]
170 +Before use, please make sure that the computer has installed the CP2102 driver
186 186  
172 +== Pin Mapping & LED ==
187 187  
174 +== Example Send & Get Messages via LoRaWAN in PC ==
188 188  
189 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
176 +Connect the LA66 LoRa Shield to the PC
190 190  
178 +[[image:image-20220602171217-1.png||height="615" width="915"]]
191 191  
192 -=== 1.8.1  Items needed for update ===
180 +Open the serial port tool
193 193  
182 +[[image:image-20220602161617-8.png]]
194 194  
195 -1. LA66 LoRaWAN Shield
196 -1. Arduino
197 -1. USB TO TTL Adapter
184 +[[image:image-20220602161718-9.png||height="529" width="927"]]
198 198  
199 -[[image:image-20220602100052-2.png||height="385" width="600"]]
186 +Press the reset switch RST on the LA66 LoRa Shield.
200 200  
188 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
201 201  
190 +[[image:image-20220602161935-10.png]]
202 202  
203 -=== 1.8.2  Connection ===
192 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
204 204  
194 +example: AT+SENDB=01,02,8,05820802581ea0a5
205 205  
206 -[[image:image-20220602101311-3.png||height="276" width="600"]]
196 +[[image:image-20220602162157-11.png]]
207 207  
198 +Check to see if TTN received the message
208 208  
209 -(((
210 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
211 -)))
200 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
212 212  
213 -(((
214 -(% style="background-color:yellow" %)**GND  <-> GND
215 -TXD  <->  TXD
216 -RXD  <->  RXD**
217 -)))
202 +== Example Send & Get Messages via LoRaWAN in RPi ==
218 218  
204 +Connect the LA66 LoRa Shield to the RPI
219 219  
220 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
206 +[[image:image-20220602171233-2.png||height="592" width="881"]]
221 221  
222 -Connect USB TTL Adapter to PC after connecting the wires
208 +Log in to the RPI's terminal and connect to the serial port
223 223  
210 +[[image:image-20220602153146-3.png]]
224 224  
225 -[[image:image-20220602102240-4.png||height="304" width="600"]]
212 +Press the reset switch RST on the LA66 LoRa Shield.
213 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
226 226  
215 +[[image:image-20220602154928-5.png]]
227 227  
217 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
228 228  
229 -=== 1.8.3  Upgrade steps ===
219 +example: AT+SENDB=01,02,8,05820802581ea0a5
230 230  
221 +[[image:image-20220602160339-6.png]]
231 231  
223 +Check to see if TTN received the message
232 232  
233 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
225 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
234 234  
227 +=== Install Minicom ===
235 235  
236 -[[image:image-20220602102824-5.png||height="306" width="600"]]
229 +Enter the following command in the RPI terminal
237 237  
231 +apt update
238 238  
233 +[[image:image-20220602143155-1.png]]
239 239  
240 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
235 +apt install minicom
241 241  
237 +[[image:image-20220602143744-2.png]]
242 242  
243 -[[image:image-20220602104701-12.png||height="285" width="600"]]
239 +=== Send PC's CPU/RAM usage to TTN via script. ===
244 244  
241 +==== Take python as an example： ====
245 245  
243 +===== Preconditions: =====
246 246  
247 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
245 +1.LA66 USB LoRaWAN Adapter works fine
248 248  
247 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
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 -)))
249 +===== Steps for usage =====
253 253  
251 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
254 254  
255 -[[image:image-20220602103227-6.png]]
253 +2.Run the script and see the TTN
256 256  
255 +[[image:image-20220602115852-3.png]]
257 257  
258 -[[image:image-20220602103357-7.png]]
259 259  
260 260  
259 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
261 261  
262 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
263 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
264 264  
262 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
265 265  
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 -
335 -
336 -= 4.  Reference =
337 -
338 -
339 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
264 +
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