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Last modified by Xiaoling on 2023/05/26 14:19
From version 149.3
edited by Xiaoling
on 2022/08/17 09:29
Change comment: There is no comment for this version
To version 63.1
edited by Herong Lu
on 2022/06/02 17:23
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  
45 +I/O Voltage: 3.3v
69 69  
70 70  
71 -== 1.3  Specification ==
48 +== AT Command ==
72 72  
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.
73 73  
74 -* CPU: 32-bit 48 MHz
75 -* Flash: 256KB
76 -* RAM: 64KB
77 -* Input Power Range: 1.8v ~~ 3.7v
78 -* Power Consumption: < 4uA.
79 -* Frequency Range: 150 MHz ~~ 960 MHz
80 -* Maximum Power +22 dBm constant RF output
81 -* High sensitivity: -148 dBm
82 -* Temperature:
83 -** Storage: -55 ~~ +125℃
84 -** Operating: -40 ~~ +85℃
85 -* Humidity:
86 -** Storage: 5 ~~ 95% (Non-Condensing)
87 -** Operating: 10 ~~ 95% (Non-Condensing)
88 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
89 -* LoRa Rx current: <9 mA
90 -* I/O Voltage: 3.3v
91 91  
53 +== Pin Mapping ==
92 92  
55 +[[image:image-20220523101537-1.png]]
93 93  
57 +== Land Pattern ==
94 94  
95 -== 1.4  Pin Mapping & LED ==
59 +[[image:image-20220517072821-2.png]]
96 96  
97 97  
98 -[[image:image-20220817085048-1.png]]
62 +== Part Number ==
99 99  
64 +Part Number: **LA66-XXX**
100 100  
66 +**XX**: The default frequency band
101 101  
102 -~1. The LED lights up red when there is an upstream data packet
103 -2. When the network is successfully connected, the green light will be on for 5 seconds
104 -3. Purple light on when receiving downlink data packets
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
105 105  
77 += LA66 LoRaWAN Shield =
106 106  
79 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
107 107  
108 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
81 +== Pin Mapping & LED ==
109 109  
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
110 110  
111 -**Show connection diagram：**
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
112 112  
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
113 113  
114 -[[image:image-20220723170210-2.png||height="908" width="681"]]
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
115 115  
91 +=== what needs to be used ===
116 116  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
117 117  
118 -(% style="color:blue" %)**1.  open Arduino IDE**
95 +2.Arduino
119 119  
97 +3.USB TO TTL
120 120  
121 -[[image:image-20220723170545-4.png]]
99 +[[image:image-20220602100052-2.png]]
122 122  
101 +=== Wiring Schematic ===
123 123  
103 +[[image:image-20220602101311-3.png]]
124 124  
125 -(% style="color:blue" %)**2.  Open project**
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
126 126  
107 +GND  >>>>>>>>>>>>GND
127 127  
128 -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]]
109 +TXD  >>>>>>>>>>>>TXD
129 129  
130 -[[image:image-20220726135239-1.png]]
111 +RXD  >>>>>>>>>>>>RXD
131 131  
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
132 132  
115 +Connect to the PC after connecting the wires
133 133  
134 -(% 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**
117 +[[image:image-20220602102240-4.png]]
135 135  
136 -[[image:image-20220726135356-2.png]]
119 +=== Upgrade steps ===
137 137  
121 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
138 138  
123 +[[image:image-20220602102824-5.png]]
139 139  
140 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
141 141  
127 +[[image:image-20220602104701-12.png]]
142 142  
143 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
129 +==== Open the upgrade application software ====
144 144  
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/]]
145 145  
133 +[[image:image-20220602103227-6.png]]
146 146  
147 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
135 +[[image:image-20220602103357-7.png]]
148 148  
137 +===== Select the COM port corresponding to USB TTL =====
149 149  
150 -(% style="color:blue" %)**1.  Open project**
139 +[[image:image-20220602103844-8.png]]
151 151  
141 +===== Select the bin file to burn =====
152 152  
153 -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]]
143 +[[image:image-20220602104144-9.png]]
154 154  
145 +[[image:image-20220602104251-10.png]]
155 155  
156 -[[image:image-20220723172502-8.png]]
147 +[[image:image-20220602104402-11.png]]
157 157  
149 +===== Click to start the download =====
158 158  
151 +[[image:image-20220602104923-13.png]]
159 159  
160 -(% 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**
153 +===== The following figure appears to prove that the burning is in progress =====
161 161  
155 +[[image:image-20220602104948-14.png]]
162 162  
163 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
157 +===== The following picture appears to prove that the burning is successful =====
164 164  
159 +[[image:image-20220602105251-15.png]]
165 165  
161 += LA66 USB LoRaWAN Adapter =
166 166  
167 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
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.
168 168  
165 +Before use, please make sure that the computer has installed the CP2102 driver
169 169  
170 -(% style="color:blue" %)**1.  Open project**
167 +== Pin Mapping & LED ==
171 171  
169 +== Example Send & Get Messages via LoRaWAN in PC ==
172 172  
173 -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]]
171 +Connect the LA66 LoRa Shield to the PC
174 174  
173 +[[image:image-20220602171217-1.png||height="615" width="915"]]
175 175  
176 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
175 +Open the serial port tool
177 177  
177 +[[image:image-20220602161617-8.png]]
178 178  
179 +[[image:image-20220602161718-9.png||height="529" width="927"]]
179 179  
180 -(% 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**
181 +Press the reset switch RST on the LA66 LoRa Shield.
181 181  
183 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
182 182  
183 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
185 +[[image:image-20220602161935-10.png]]
184 184  
187 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
185 185  
189 +example: AT+SENDB=01,02,8,05820802581ea0a5
186 186  
187 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
191 +[[image:image-20220602162157-11.png]]
188 188  
189 -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/]]
193 +Check to see if TTN received the message
190 190  
191 -[[image:image-20220723175700-12.png||height="602" width="995"]]
195 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
192 192  
197 +== Example Send & Get Messages via LoRaWAN in RPi ==
193 193  
199 +Connect the LA66 LoRa Shield to the RPI
194 194  
195 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
201 +[[image:image-20220602171233-2.png||height="592" width="881"]]
196 196  
203 +Log in to the RPI's terminal and connect to the serial port
197 197  
198 -=== 1.8.1  Items needed for update ===
205 +[[image:image-20220602153146-3.png]]
199 199  
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
200 200  
201 -1. LA66 LoRaWAN Shield
202 -1. Arduino
203 -1. USB TO TTL Adapter
210 +[[image:image-20220602154928-5.png]]
204 204  
205 -[[image:image-20220602100052-2.png||height="385" width="600"]]
212 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
206 206  
214 +example: AT+SENDB=01,02,8,05820802581ea0a5
207 207  
216 +[[image:image-20220602160339-6.png]]
208 208  
209 -=== 1.8.2  Connection ===
218 +Check to see if TTN received the message
210 210  
220 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
211 211  
212 -[[image:image-20220602101311-3.png||height="276" width="600"]]
222 +=== Install Minicom ===
213 213  
224 +Enter the following command in the RPI terminal
214 214  
215 -(((
216 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
217 -)))
226 +apt update
218 218  
219 -(((
220 -(% style="background-color:yellow" %)**GND  <-> GND
221 -TXD  <->  TXD
222 -RXD  <->  RXD**
223 -)))
228 +[[image:image-20220602143155-1.png]]
224 224  
230 +apt install minicom
225 225  
226 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
232 +[[image:image-20220602143744-2.png]]
227 227  
228 -Connect USB TTL Adapter to PC after connecting the wires
234 +=== Send PC's CPU/RAM usage to TTN via script. ===
229 229  
236 +==== Take python as an example： ====
230 230  
231 -[[image:image-20220602102240-4.png||height="304" width="600"]]
238 +===== Preconditions: =====
232 232  
240 +1.LA66 USB LoRaWAN Adapter works fine
233 233  
242 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
234 234  
235 -=== 1.8.3  Upgrade steps ===
244 +===== Steps for usage =====
236 236  
246 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
237 237  
248 +2.Run the script and see the TTN
238 238  
239 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
250 +[[image:image-20220602115852-3.png]]
240 240  
241 241  
242 -[[image:image-20220602102824-5.png||height="306" width="600"]]
243 243  
254 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
244 244  
245 245  
246 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
257 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
247 247  
248 -
249 -[[image:image-20220817085447-1.png]]
250 -
251 -
252 -
253 -
254 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
255 -
256 -
257 -(((
258 -(% 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/]]**
259 -)))
260 -
261 -
262 -[[image:image-20220602103227-6.png]]
263 -
264 -
265 -[[image:image-20220602103357-7.png]]
266 -
267 -
268 -
269 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
270 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
271 -
272 -
273 -[[image:image-20220602103844-8.png]]
274 -
275 -
276 -
277 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
278 -(% style="color:blue" %)**3. Select the bin file to burn**
279 -
280 -
281 -[[image:image-20220602104144-9.png]]
282 -
283 -
284 -[[image:image-20220602104251-10.png]]
285 -
286 -
287 -[[image:image-20220602104402-11.png]]
288 -
289 -
290 -
291 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
292 -(% style="color:blue" %)**4. Click to start the download**
293 -
294 -[[image:image-20220602104923-13.png]]
295 -
296 -
297 -
298 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
299 -(% style="color:blue" %)**5. Check update process**
300 -
301 -
302 -[[image:image-20220602104948-14.png]]
303 -
304 -
305 -
306 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
307 -(% style="color:blue" %)**The following picture shows that the burning is successful**
308 -
309 -[[image:image-20220602105251-15.png]]
310 -
311 -
312 -
313 -= 2.  FAQ =
314 -
315 -
316 -== 2.1  How to Compile Source Code for LA66? ==
317 -
318 -
319 -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]]
320 -
321 -
322 -
323 -= 3.  Order Info =
324 -
325 -
326 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
327 -
328 -
329 -(% style="color:blue" %)**XXX**(%%): The default frequency band
330 -
331 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
332 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
333 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
334 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
335 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
336 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
337 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
338 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
339 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
340 -
341 -
342 -
343 -= 4.  Reference =
344 -
345 -
346 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
347 -
348 348  
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