Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 61.1 >
edited by Herong Lu
on 2022/06/02 17:12
To version < 146.7 >
edited by Xiaoling
on 2022/08/16 14:19
>
Change comment: There is no comment for this version

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Title
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1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Shield User Manual
Author
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1 -XWiki.Lu
1 +XWiki.Xiaoling
Content
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1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
1 +
2 +
3 +**Table of Contents:**
4 +
2 2  {{toc/}}
3 -{{/box}}
4 4  
5 -= LA66 LoRaWAN Module =
6 6  
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.
10 10  
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.
10 += 1.  LA66 LoRaWAN Shield =
12 12  
13 -**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
14 14  
13 +== 1.1  Overview ==
15 15  
16 16  
17 -== Specification ==
16 +(((
17 +[[image:image-20220715000826-2.png||height="145" width="220"]]
18 +)))
18 18  
19 -[[image:image-20220517072526-1.png]]
20 +(((
21 +
22 +)))
20 20  
21 -Input Power Range: 1.8v ~~ 3.7v
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 +)))
22 22  
23 -Power Consumption: < 4uA.
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 +)))
24 24  
25 -Frequency Range: 150 MHz ~~ 960 MHz
34 +(((
35 +(((
36 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 +)))
38 +)))
26 26  
27 -Maximum Power +22 dBm constant RF output
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 +)))
28 28  
29 -High sensitivity: -148 dBm
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 +)))
30 30  
31 -Temperature:
32 32  
33 -* Storage: -55 ~~ +125℃
34 -* Operating: -40 ~~ +85℃
35 35  
36 -Humidity:
54 +== 1.2  Features ==
37 37  
38 -* Storage: 5 ~~ 95% (Non-Condensing)
39 -* Operating: 10 ~~ 95% (Non-Condensing)
40 40  
41 -LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
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
42 42  
43 -LoRa Rx current: <9 mA
44 44  
45 -I/O Voltage: 3.3v
46 46  
47 47  
48 -== AT Command ==
71 +== 1.3  Specification ==
49 49  
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.
51 51  
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
52 52  
53 -== Pin Mapping ==
54 54  
55 -[[image:image-20220523101537-1.png]]
56 56  
57 -== Land Pattern ==
58 58  
59 -[[image:image-20220517072821-2.png]]
95 +== 1.4  Pin Mapping & LED ==
60 60  
61 61  
62 -== Part Number ==
98 +[[image:image-20220814101457-1.png||height="553" width="761"]]
63 63  
64 -Part Number: **LA66-XXX**
100 +~1. The LED lights up red when there is an upstream data packet
101 +2. When the network is successfully connected, the green light will be on for 5 seconds
102 +3. Purple light on when receiving downlink data packets
65 65  
66 -**XX**: The default frequency band
67 67  
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
76 76  
77 -= LA66 LoRaWAN Shield =
106 +== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
78 78  
79 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
80 80  
81 -== Pin Mapping & LED ==
109 +**Show connection diagram：**
82 82  
83 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
84 84  
85 -== Example: Join TTN network and send an uplink message, get downlink message. ==
112 +[[image:image-20220723170210-2.png||height="908" width="681"]]
86 86  
87 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
88 88  
89 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
90 90  
91 -=== what needs to be used ===
116 +(% style="color:blue" %)**1.  open Arduino IDE**
92 92  
93 -1.LA66 LoRaWAN Shield that needs to be upgraded
94 94  
95 -2.Arduino
119 +[[image:image-20220723170545-4.png]]
96 96  
97 -3.USB TO TTL
98 98  
99 -[[image:image-20220602100052-2.png]]
100 100  
101 -=== Wiring Schematic ===
123 +(% style="color:blue" %)**2.  Open project**
102 102  
103 -[[image:image-20220602101311-3.png]]
104 104  
105 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
126 +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]]
106 106  
107 -GND  >>>>>>>>>>>>GND
128 +[[image:image-20220726135239-1.png]]
108 108  
109 -TXD  >>>>>>>>>>>>TXD
110 110  
111 -RXD  >>>>>>>>>>>>RXD
131 +(% 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**
112 112  
113 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
133 +[[image:image-20220726135356-2.png]]
114 114  
115 -Connect to the PC after connecting the wires
116 116  
117 -[[image:image-20220602102240-4.png]]
136 +(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
118 118  
119 -=== Upgrade steps ===
120 120  
121 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
139 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
122 122  
123 -[[image:image-20220602102824-5.png]]
124 124  
125 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
126 126  
127 -[[image:image-20220602104701-12.png]]
143 +== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
128 128  
129 -==== Open the upgrade application software ====
130 130  
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/]]
146 +(% style="color:blue" %)**1.  Open project**
132 132  
133 -[[image:image-20220602103227-6.png]]
134 134  
135 -[[image:image-20220602103357-7.png]]
149 +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]]
136 136  
137 -===== Select the COM port corresponding to USB TTL =====
138 138  
139 -[[image:image-20220602103844-8.png]]
152 +[[image:image-20220723172502-8.png]]
140 140  
141 -===== Select the bin file to burn =====
142 142  
143 -[[image:image-20220602104144-9.png]]
144 144  
145 -[[image:image-20220602104251-10.png]]
156 +(% 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**
146 146  
147 -[[image:image-20220602104402-11.png]]
148 148  
149 -===== Click to start the download =====
159 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
150 150  
151 -[[image:image-20220602104923-13.png]]
152 152  
153 -===== The following figure appears to prove that the burning is in progress =====
154 154  
155 -[[image:image-20220602104948-14.png]]
163 +== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
156 156  
157 -===== The following picture appears to prove that the burning is successful =====
158 158  
159 -[[image:image-20220602105251-15.png]]
166 +(% style="color:blue" %)**1.  Open project**
160 160  
161 -= LA66 USB LoRaWAN Adapter =
162 162  
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.
169 +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]]
164 164  
165 -Before use, please make sure that the computer has installed the CP2102 driver
166 166  
167 -== Pin Mapping & LED ==
172 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
168 168  
169 -== Example Send & Get Messages via LoRaWAN in PC ==
170 170  
171 -Connect the LA66 LoRa Shield to the PC
172 172  
173 -[[image:image-20220602171217-1.png||height="615" width="915"]]
176 +(% 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**
174 174  
175 -Open the serial port tool
176 176  
177 -[[image:image-20220602161617-8.png]]
179 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
178 178  
179 -[[image:image-20220602161718-9.png||height="529" width="927"]]
180 180  
181 -Press the reset switch RST on the LA66 LoRa Shield.
182 182  
183 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
183 +(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
184 184  
185 -[[image:image-20220602161935-10.png]]
185 +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/]]
186 186  
187 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
187 +[[image:image-20220723175700-12.png||height="602" width="995"]]
188 188  
189 -example: AT+SENDB=01,02,8,05820802581ea0a5
190 190  
191 -[[image:image-20220602162157-11.png]]
192 192  
193 -Check to see if TTN received the message
191 +== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
194 194  
195 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
196 196  
197 -== Example Send & Get Messages via LoRaWAN in RPi ==
194 +=== 1.8.1  Items needed for update ===
198 198  
199 -Connect the LA66 LoRa Shield to the RPI
200 200  
201 -[[image:image-20220602171233-2.png||height="592" width="881"]]
197 +1. LA66 LoRaWAN Shield
198 +1. Arduino
199 +1. USB TO TTL Adapter
202 202  
203 -Log in to the RPI's terminal and connect to the serial port
201 +[[image:image-20220602100052-2.png||height="385" width="600"]]
204 204  
205 -[[image:image-20220602153146-3.png]]
206 206  
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
209 209  
210 -[[image:image-20220602154928-5.png]]
205 +=== 1.8.2  Connection ===
211 211  
212 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
213 213  
214 -example: AT+SENDB=01,02,8,05820802581ea0a5
208 +[[image:image-20220602101311-3.png||height="276" width="600"]]
215 215  
216 -[[image:image-20220602160339-6.png]]
217 217  
218 -Check to see if TTN received the message
211 +(((
212 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
213 +)))
219 219  
220 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
215 +(((
216 +(% style="background-color:yellow" %)**GND  <-> GND
217 +TXD  <->  TXD
218 +RXD  <->  RXD**
219 +)))
221 221  
222 -=== Install Minicom ===
223 223  
224 -Enter the following command in the RPI terminal
222 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
225 225  
226 -apt update
224 +Connect USB TTL Adapter to PC after connecting the wires
227 227  
228 -[[image:image-20220602143155-1.png]]
229 229  
230 -apt install minicom
227 +[[image:image-20220602102240-4.png||height="304" width="600"]]
231 231  
232 -[[image:image-20220602143744-2.png]]
233 233  
234 -=== Send PC's CPU/RAM usage to TTN via script. ===
235 235  
236 -==== Take python as an example： ====
231 +=== 2.8.3  Upgrade steps ===
237 237  
238 -===== Preconditions: =====
239 239  
240 -1.LA66 LoRa Shield works fine
234 +==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
241 241  
242 -2.LA66 LoRa Shield is registered with TTN
243 243  
244 -===== Steps for usage =====
237 +[[image:image-20220602102824-5.png||height="306" width="600"]]
245 245  
246 -1.After connecting the line, connect it to the PC, turn SW1 to FLASH, and press the RST switch. As shown in the figure below
247 247  
248 -[[image:image-20220602114148-1.png]]
249 249  
250 -2.Run the script and see the TTN
241 +==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
251 251  
252 -[[image:image-20220602115852-3.png]]
253 253  
244 +[[image:image-20220602104701-12.png||height="285" width="600"]]
254 254  
255 255  
256 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
257 257  
248 +==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
258 258  
259 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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 +
336 +
337 +
338 += 4.  Reference =
339 +
340 +
341 +* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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