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Last modified by Xiaoling on 2023/05/26 14:19
From version 147.3
edited by Xiaoling
on 2022/08/17 08:53
Change comment: There is no comment for this version
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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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  
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 v1.0.3 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
26 +Input Power Range: 1.8v ~~ 3.7v
67 67  
28 +Power Consumption: < 4uA.
68 68  
69 -== 1.3  Specification ==
30 +Frequency Range: 150 MHz ~~ 960 MHz
70 70  
32 +Maximum Power +22 dBm constant RF output
71 71  
72 -* CPU: 32-bit 48 MHz
73 -* Flash: 256KB
74 -* RAM: 64KB
75 -* Input Power Range: 1.8v ~~ 3.7v
76 -* Power Consumption: < 4uA.
77 -* Frequency Range: 150 MHz ~~ 960 MHz
78 -* Maximum Power +22 dBm constant RF output
79 -* High sensitivity: -148 dBm
80 -* Temperature:
81 -** Storage: -55 ~~ +125℃
82 -** Operating: -40 ~~ +85℃
83 -* Humidity:
84 -** Storage: 5 ~~ 95% (Non-Condensing)
85 -** Operating: 10 ~~ 95% (Non-Condensing)
86 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
87 -* LoRa Rx current: <9 mA
88 -* I/O Voltage: 3.3v
34 +High sensitivity: -148 dBm
89 89  
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-20220817085048-1.png]]
48 +LoRa Rx current: <9 mA
97 97  
50 +I/O Voltage: 3.3v
98 98  
99 -~1. The LED lights up red when there is an upstream data packet
100 -2. When the network is successfully connected, the green light will be on for 5 seconds
101 -3. Purple light on when receiving downlink data packets
102 102  
53 +== AT Command ==
103 103  
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.
104 104  
105 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
106 106  
58 +== Pin Mapping ==
107 107  
108 -**Show connection diagram：**
60 +[[image:image-20220523101537-1.png]]
109 109  
62 +== Land Pattern ==
110 110  
111 -[[image:image-20220723170210-2.png||height="908" width="681"]]
64 +[[image:image-20220517072821-2.png]]
112 112  
113 113  
67 +== Part Number ==
114 114  
115 -(% style="color:blue" %)**1.  open Arduino IDE**
69 +Part Number: **LA66-XXX**
116 116  
71 +**XX**: The default frequency band
117 117  
118 -[[image:image-20220723170545-4.png]]
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  
84 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
121 121  
122 -(% style="color:blue" %)**2.  Open project**
86 +== Pin Mapping & LED ==
123 123  
88 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
124 124  
125 -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]]
90 +== Example: Join TTN network and send an uplink message, get downlink message. ==
126 126  
127 -[[image:image-20220726135239-1.png]]
92 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
128 128  
94 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
129 129  
130 -(% 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**
96 +=== what needs to be used ===
131 131  
132 -[[image:image-20220726135356-2.png]]
98 +1.LA66 LoRaWAN Shield that needs to be upgraded
133 133  
100 +2.Arduino
134 134  
135 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
102 +3.USB TO TTL
136 136  
104 +[[image:image-20220602100052-2.png]]
137 137  
138 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
106 +=== Wiring Schematic ===
139 139  
108 +[[image:image-20220602101311-3.png]]
140 140  
110 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
141 141  
142 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
112 +GND  >>>>>>>>>>>>GND
143 143  
114 +TXD  >>>>>>>>>>>>TXD
144 144  
145 -(% style="color:blue" %)**1.  Open project**
116 +RXD  >>>>>>>>>>>>RXD
146 146  
118 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
147 147  
148 -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]]
120 +Connect to the PC after connecting the wires
149 149  
122 +[[image:image-20220602102240-4.png]]
150 150  
151 -[[image:image-20220723172502-8.png]]
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  
128 +[[image:image-20220602102824-5.png]]
154 154  
155 -(% 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**
130 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
156 156  
132 +[[image:image-20220602104701-12.png]]
157 157  
158 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
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  
138 +[[image:image-20220602103227-6.png]]
161 161  
162 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
140 +[[image:image-20220602103357-7.png]]
163 163  
142 +===== Select the COM port corresponding to USB TTL =====
164 164  
165 -(% style="color:blue" %)**1.  Open project**
144 +[[image:image-20220602103844-8.png]]
166 166  
146 +===== Select the bin file to burn =====
167 167  
168 -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]]
148 +[[image:image-20220602104144-9.png]]
169 169  
150 +[[image:image-20220602104251-10.png]]
170 170  
171 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
152 +[[image:image-20220602104402-11.png]]
172 172  
154 +===== Click to start the download =====
173 173  
156 +[[image:image-20220602104923-13.png]]
174 174  
175 -(% 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**
158 +===== The following figure appears to prove that the burning is in progress =====
176 176  
160 +[[image:image-20220602104948-14.png]]
177 177  
178 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
162 +===== The following picture appears to prove that the burning is successful =====
179 179  
164 +[[image:image-20220602105251-15.png]]
180 180  
166 += LA66 USB LoRaWAN Adapter =
181 181  
182 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
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.
183 183  
184 -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/]]
170 +Before use, please make sure that the computer has installed the CP2102 driver
185 185  
186 -[[image:image-20220723175700-12.png||height="602" width="995"]]
172 +== Pin Mapping & LED ==
187 187  
174 +== Example Send & Get Messages via LoRaWAN in PC ==
188 188  
176 +Connect the LA66 LoRa Shield to the PC
189 189  
190 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
178 +[[image:image-20220602171217-1.png||height="615" width="915"]]
191 191  
180 +Open the serial port tool
192 192  
193 -=== 1.8.1  Items needed for update ===
182 +[[image:image-20220602161617-8.png]]
194 194  
184 +[[image:image-20220602161718-9.png||height="529" width="927"]]
195 195  
196 -1. LA66 LoRaWAN Shield
197 -1. Arduino
198 -1. USB TO TTL Adapter
186 +Press the reset switch RST on the LA66 LoRa Shield.
199 199  
200 -[[image:image-20220602100052-2.png||height="385" width="600"]]
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  
192 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
203 203  
204 -=== 1.8.2  Connection ===
194 +example: AT+SENDB=01,02,8,05820802581ea0a5
205 205  
196 +[[image:image-20220602162157-11.png]]
206 206  
207 -[[image:image-20220602101311-3.png||height="276" width="600"]]
198 +Check to see if TTN received the message
208 208  
200 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
209 209  
210 -(((
211 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
212 -)))
202 +== Example Send & Get Messages via LoRaWAN in RPi ==
213 213  
214 -(((
215 -(% style="background-color:yellow" %)**GND  <-> GND
216 -TXD  <->  TXD
217 -RXD  <->  RXD**
218 -)))
204 +Connect the LA66 LoRa Shield to the RPI
219 219  
206 +[[image:image-20220602171233-2.png||height="592" width="881"]]
220 220  
221 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
208 +Log in to the RPI's terminal and connect to the serial port
222 222  
223 -Connect USB TTL Adapter to PC after connecting the wires
210 +[[image:image-20220602153146-3.png]]
224 224  
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
225 225  
226 -[[image:image-20220602102240-4.png||height="304" width="600"]]
215 +[[image:image-20220602154928-5.png]]
227 227  
217 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
228 228  
219 +example: AT+SENDB=01,02,8,05820802581ea0a5
229 229  
230 -=== 1.8.3  Upgrade steps ===
221 +[[image:image-20220602160339-6.png]]
231 231  
223 +Check to see if TTN received the message
232 232  
225 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
233 233  
234 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
227 +=== Install Minicom ===
235 235  
229 +Enter the following command in the RPI terminal
236 236  
237 -[[image:image-20220602102824-5.png||height="306" width="600"]]
231 +apt update
238 238  
233 +[[image:image-20220602143155-1.png]]
239 239  
235 +apt install minicom
240 240  
241 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
237 +[[image:image-20220602143744-2.png]]
242 242  
239 +=== Send PC's CPU/RAM usage to TTN via script. ===
243 243  
244 -[[image:image-20220602104701-12.png||height="285" width="600"]]
241 +==== Take python as an example： ====
245 245  
243 +===== Preconditions: =====
246 246  
245 +1.LA66 USB LoRaWAN Adapter works fine
247 247  
248 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
247 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
249 249  
249 +===== Steps for usage =====
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 -)))
251 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
254 254  
253 +2.Run the script and see the TTN
255 255  
256 -[[image:image-20220602103227-6.png]]
255 +[[image:image-20220602115852-3.png]]
257 257  
258 258  
259 -[[image:image-20220602103357-7.png]]
260 260  
259 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
261 261  
262 262  
263 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
264 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
262 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
265 265  
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 -= 4.  Reference =
336 -
337 -
338 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
264 +
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