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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 62.1
edited by Herong Lu
on 2022/06/02 17:19
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.Lu
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 +**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 LoRa 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 program, create and connect your things everywhere.
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
11 +**LA66 **is a ready-to-use module which includes the LoRaWAN v1.0.4 protocol. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
11 11  
13 +**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
12 12  
13 -== 1.1  Overview ==
14 14  
15 15  
16 -(((
17 -[[image:image-20220715000826-2.png||height="145" width="220"]]
18 -)))
17 +== Specification ==
19 19  
20 -(((
21 -
22 -)))
19 +[[image:image-20220517072526-1.png]]
23 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 -)))
21 +Input Power Range: 1.8v ~~ 3.7v
27 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 -)))
23 +Power Consumption: < 4uA.
33 33  
34 -(((
35 -(((
36 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 -)))
38 -)))
25 +Frequency Range: 150 MHz ~~ 960 MHz
39 39  
40 -(((
41 -(((
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 -)))
27 +Maximum Power +22 dBm constant RF output
45 45  
46 -(((
47 -(((
48 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 -)))
50 -)))
29 +High sensitivity: -148 dBm
51 51  
31 +Temperature:
52 52  
33 +* Storage: -55 ~~ +125℃
34 +* Operating: -40 ~~ +85℃
53 53  
54 -== 1.2  Features ==
36 +Humidity:
55 55  
38 +* Storage: 5 ~~ 95% (Non-Condensing)
39 +* Operating: 10 ~~ 95% (Non-Condensing)
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
41 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
67 67  
43 +LoRa Rx current: <9 mA
68 68  
69 -== 1.3  Specification ==
45 +I/O Voltage: 3.3v
70 70  
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
48 +== AT Command ==
89 89  
50 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
90 90  
91 91  
53 +== Pin Mapping ==
92 92  
93 -== 1.4  Pin Mapping & LED ==
55 +[[image:image-20220523101537-1.png]]
94 94  
57 +== Land Pattern ==
95 95  
96 -[[image:image-20220817085048-1.png]]
59 +[[image:image-20220517072821-2.png]]
97 97  
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
62 +== Part Number ==
102 102  
64 +Part Number: **LA66-XXX**
103 103  
66 +**XX**: The default frequency band
104 104  
105 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
68 +* **AS923**: LoRaWAN AS923 band
69 +* **AU915**: LoRaWAN AU915 band
70 +* **EU433**: LoRaWAN EU433 band
71 +* **EU868**: LoRaWAN EU868 band
72 +* **KR920**: LoRaWAN KR920 band
73 +* **US915**: LoRaWAN US915 band
74 +* **IN865**: LoRaWAN IN865 band
75 +* **CN470**: LoRaWAN CN470 band
106 106  
77 += LA66 LoRaWAN Shield =
107 107  
108 -**Show connection diagram：**
79 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
109 109  
81 +== Pin Mapping & LED ==
110 110  
111 -[[image:image-20220723170210-2.png||height="908" width="681"]]
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
112 112  
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
113 113  
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
114 114  
115 -(% style="color:blue" %)**1.  open Arduino IDE**
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
116 116  
91 +=== what needs to be used ===
117 117  
118 -[[image:image-20220723170545-4.png]]
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
119 119  
95 +2.Arduino
120 120  
97 +3.USB TO TTL
121 121  
122 -(% style="color:blue" %)**2.  Open project**
99 +[[image:image-20220602100052-2.png]]
123 123  
101 +=== Wiring Schematic ===
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]]
103 +[[image:image-20220602101311-3.png]]
126 126  
127 -[[image:image-20220726135239-1.png]]
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
128 128  
107 +GND  >>>>>>>>>>>>GND
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**
109 +TXD  >>>>>>>>>>>>TXD
131 131  
132 -[[image:image-20220726135356-2.png]]
111 +RXD  >>>>>>>>>>>>RXD
133 133  
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
134 134  
135 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
115 +Connect to the PC after connecting the wires
136 136  
117 +[[image:image-20220602102240-4.png]]
137 137  
138 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
119 +=== Upgrade steps ===
139 139  
121 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
140 140  
123 +[[image:image-20220602102824-5.png]]
141 141  
142 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
143 143  
127 +[[image:image-20220602104701-12.png]]
144 144  
145 -(% style="color:blue" %)**1.  Open project**
129 +==== Open the upgrade application software ====
146 146  
131 +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/]]
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]]
133 +[[image:image-20220602103227-6.png]]
149 149  
135 +[[image:image-20220602103357-7.png]]
150 150  
151 -[[image:image-20220723172502-8.png]]
137 +===== Select the COM port corresponding to USB TTL =====
152 152  
139 +[[image:image-20220602103844-8.png]]
153 153  
141 +===== Select the bin file to burn =====
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**
143 +[[image:image-20220602104144-9.png]]
156 156  
145 +[[image:image-20220602104251-10.png]]
157 157  
158 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
147 +[[image:image-20220602104402-11.png]]
159 159  
149 +===== Click to start the download =====
160 160  
151 +[[image:image-20220602104923-13.png]]
161 161  
162 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
153 +===== The following figure appears to prove that the burning is in progress =====
163 163  
155 +[[image:image-20220602104948-14.png]]
164 164  
165 -(% style="color:blue" %)**1.  Open project**
157 +===== The following picture appears to prove that the burning is successful =====
166 166  
159 +[[image:image-20220602105251-15.png]]
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]]
161 += LA66 USB LoRaWAN Adapter =
169 169  
163 +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.
170 170  
171 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
165 +Before use, please make sure that the computer has installed the CP2102 driver
172 172  
167 +== Pin Mapping & LED ==
173 173  
169 +== Example Send & Get Messages via LoRaWAN in PC ==
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**
171 +Connect the LA66 LoRa Shield to the PC
176 176  
173 +[[image:image-20220602171217-1.png||height="615" width="915"]]
177 177  
178 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
175 +Open the serial port tool
179 179  
177 +[[image:image-20220602161617-8.png]]
180 180  
179 +[[image:image-20220602161718-9.png||height="529" width="927"]]
181 181  
182 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
181 +Press the reset switch RST on the LA66 LoRa Shield.
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/]]
183 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
185 185  
186 -[[image:image-20220723175700-12.png||height="602" width="995"]]
185 +[[image:image-20220602161935-10.png]]
187 187  
187 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
188 188  
189 +example: AT+SENDB=01,02,8,05820802581ea0a5
189 189  
190 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
191 +[[image:image-20220602162157-11.png]]
191 191  
193 +Check to see if TTN received the message
192 192  
193 -=== 1.8.1  Items needed for update ===
195 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
194 194  
197 +== Example Send & Get Messages via LoRaWAN in RPi ==
195 195  
196 -1. LA66 LoRaWAN Shield
197 -1. Arduino
198 -1. USB TO TTL Adapter
199 +Connect the LA66 LoRa Shield to the RPI
199 199  
200 -[[image:image-20220602100052-2.png||height="385" width="600"]]
201 +[[image:image-20220602171233-2.png||height="592" width="881"]]
201 201  
203 +Log in to the RPI's terminal and connect to the serial port
202 202  
205 +[[image:image-20220602153146-3.png]]
203 203  
204 -=== 1.8.2  Connection ===
207 +Press the reset switch RST on the LA66 LoRa Shield.
208 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
205 205  
210 +[[image:image-20220602154928-5.png]]
206 206  
207 -[[image:image-20220602101311-3.png||height="276" width="600"]]
212 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
208 208  
214 +example: AT+SENDB=01,02,8,05820802581ea0a5
209 209  
210 -(((
211 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
212 -)))
216 +[[image:image-20220602160339-6.png]]
213 213  
214 -(((
215 -(% style="background-color:yellow" %)**GND  <-> GND
216 -TXD  <->  TXD
217 -RXD  <->  RXD**
218 -)))
218 +Check to see if TTN received the message
219 219  
220 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
220 220  
221 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
222 +=== Install Minicom ===
222 222  
223 -Connect USB TTL Adapter to PC after connecting the wires
224 +Enter the following command in the RPI terminal
224 224  
226 +apt update
225 225  
226 -[[image:image-20220602102240-4.png||height="304" width="600"]]
228 +[[image:image-20220602143155-1.png]]
227 227  
230 +apt install minicom
228 228  
232 +[[image:image-20220602143744-2.png]]
229 229  
230 -=== 1.8.3  Upgrade steps ===
234 +=== Send PC's CPU/RAM usage to TTN via script. ===
231 231  
236 +==== Take python as an example： ====
232 232  
238 +===== Preconditions: =====
233 233  
234 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
240 +1.LA66 USB LoRaWAN Adapter works fine
235 235  
242 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
236 236  
237 -[[image:image-20220602102824-5.png||height="306" width="600"]]
244 +===== Steps for usage =====
238 238  
246 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
239 239  
240 240  
241 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
249 +2.Run the script and see the TTN
242 242  
251 +[[image:image-20220602115852-3.png]]
243 243  
244 -[[image:image-20220602104701-12.png||height="285" width="600"]]
245 245  
246 246  
255 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
247 247  
248 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
249 249  
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 -
255 -
256 -[[image:image-20220602103227-6.png]]
257 -
258 -
259 -[[image:image-20220602103357-7.png]]
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 -= 4.  Reference =
336 -
337 -
338 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
258 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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