Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 64.1 >
edited by Edwin Chen
on 2022/07/02 21:03
To version < 146.9 >
edited by Xiaoling
on 2022/08/16 14:21
>
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Summary

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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.Edwin
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 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.
10 10  
11 -**LA66 **is a ready-to-use module that includes the 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 for developers to make a LoRaWAN End device. 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 13  
14 -LA66 is equipped with **TCXO crystal** which ensures the module can achieve the stable performance in extreme temperatures.
13 +== 1.1  Overview ==
15 15  
16 16  
17 -**Each LA66 **module includes a world-unique OTAA key for LoRaWAN registration.
16 +(((
17 +[[image:image-20220715000826-2.png||height="145" width="220"]]
18 +)))
18 18  
20 +(((
21 +
22 +)))
19 19  
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 +)))
20 20  
21 -== Specification ==
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 +)))
22 22  
23 -[[image:image-20220517072526-1.png]]
34 +(((
35 +(((
36 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 +)))
38 +)))
24 24  
25 -Input Power Range: 1.8v ~~ 3.7v
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 +)))
26 26  
27 -Power Consumption: < 4uA.
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 +)))
28 28  
29 -Frequency Range: 150 MHz ~~ 960 MHz
30 30  
31 -Maximum Power +22 dBm constant RF output
32 32  
33 -High sensitivity: -148 dBm
54 +== 1.2  Features ==
34 34  
35 -Temperature:
36 36  
37 -* Storage: -55 ~~ +125℃
38 -* Operating: -40 ~~ +85℃
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
39 39  
40 -Humidity:
41 41  
42 -* Storage: 5 ~~ 95% (Non-Condensing)
43 -* Operating: 10 ~~ 95% (Non-Condensing)
44 44  
45 -LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
70 +== 1.3  Specification ==
46 46  
47 -LoRa Rx current: <9 mA
48 48  
49 -I/O Voltage: 3.3v
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
50 50  
51 51  
52 -== AT Command ==
53 53  
54 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
93 +== 1.4  Pin Mapping & LED ==
55 55  
56 56  
57 -== Pin Mapping ==
96 +[[image:image-20220814101457-1.png||height="553" width="761"]]
58 58  
59 -[[image:image-20220523101537-1.png]]
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
60 60  
61 -== Land Pattern ==
62 62  
63 -[[image:image-20220517072821-2.png]]
64 64  
104 +== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
65 65  
66 -== Part Number ==
67 67  
68 -Part Number: **LA66-XXX**
107 +**Show connection diagram：**
69 69  
70 -**XX**: The default frequency band
71 71  
72 -* **AS923**: LoRaWAN AS923 band
73 -* **AU915**: LoRaWAN AU915 band
74 -* **EU433**: LoRaWAN EU433 band
75 -* **EU868**: LoRaWAN EU868 band
76 -* **KR920**: LoRaWAN KR920 band
77 -* **US915**: LoRaWAN US915 band
78 -* **IN865**: LoRaWAN IN865 band
79 -* **CN470**: LoRaWAN CN470 band
110 +[[image:image-20220723170210-2.png||height="908" width="681"]]
80 80  
81 -= LA66 LoRaWAN Shield =
82 82  
83 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
84 84  
85 -== Pin Mapping & LED ==
114 +(% style="color:blue" %)**1.  open Arduino IDE**
86 86  
87 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
88 88  
89 -== Example: Join TTN network and send an uplink message, get downlink message. ==
117 +[[image:image-20220723170545-4.png]]
90 90  
91 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
92 92  
93 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
94 94  
95 -=== what needs to be used ===
121 +(% style="color:blue" %)**2.  Open project**
96 96  
97 -1.LA66 LoRaWAN Shield that needs to be upgraded
98 98  
99 -2.Arduino
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]]
100 100  
101 -3.USB TO TTL
126 +[[image:image-20220726135239-1.png]]
102 102  
103 -[[image:image-20220602100052-2.png]]
104 104  
105 -=== Wiring Schematic ===
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**
106 106  
107 -[[image:image-20220602101311-3.png]]
131 +[[image:image-20220726135356-2.png]]
108 108  
109 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
110 110  
111 -GND  >>>>>>>>>>>>GND
134 +(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
112 112  
113 -TXD  >>>>>>>>>>>>TXD
114 114  
115 -RXD  >>>>>>>>>>>>RXD
137 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
116 116  
117 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
118 118  
119 -Connect to the PC after connecting the wires
120 120  
121 -[[image:image-20220602102240-4.png]]
141 +== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
122 122  
123 -=== Upgrade steps ===
124 124  
125 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
144 +(% style="color:blue" %)**1.  Open project**
126 126  
127 -[[image:image-20220602102824-5.png]]
128 128  
129 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
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]]
130 130  
131 -[[image:image-20220602104701-12.png]]
132 132  
133 -==== Open the upgrade application software ====
150 +[[image:image-20220723172502-8.png]]
134 134  
135 -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/]]
136 136  
137 -[[image:image-20220602103227-6.png]]
138 138  
139 -[[image:image-20220602103357-7.png]]
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**
140 140  
141 -===== Select the COM port corresponding to USB TTL =====
142 142  
143 -[[image:image-20220602103844-8.png]]
157 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
144 144  
145 -===== Select the bin file to burn =====
146 146  
147 -[[image:image-20220602104144-9.png]]
148 148  
149 -[[image:image-20220602104251-10.png]]
161 +== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
150 150  
151 -[[image:image-20220602104402-11.png]]
152 152  
153 -===== Click to start the download =====
164 +(% style="color:blue" %)**1.  Open project**
154 154  
155 -[[image:image-20220602104923-13.png]]
156 156  
157 -===== The following figure appears to prove that the burning is in progress =====
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]]
158 158  
159 -[[image:image-20220602104948-14.png]]
160 160  
161 -===== The following picture appears to prove that the burning is successful =====
170 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
162 162  
163 -[[image:image-20220602105251-15.png]]
164 164  
165 -= LA66 USB LoRaWAN Adapter =
166 166  
167 -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.
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**
168 168  
169 -Before use, please make sure that the computer has installed the CP2102 driver
170 170  
171 -== Pin Mapping & LED ==
177 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
172 172  
173 -== Example Send & Get Messages via LoRaWAN in PC ==
174 174  
175 -Connect the LA66 LoRa Shield to the PC
176 176  
177 -[[image:image-20220602171217-1.png||height="615" width="915"]]
181 +(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
178 178  
179 -Open the serial port tool
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/]]
180 180  
181 -[[image:image-20220602161617-8.png]]
185 +[[image:image-20220723175700-12.png||height="602" width="995"]]
182 182  
183 -[[image:image-20220602161718-9.png||height="529" width="927"]]
184 184  
185 -Press the reset switch RST on the LA66 LoRa Shield.
186 186  
187 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
189 +== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
188 188  
189 -[[image:image-20220602161935-10.png]]
190 190  
191 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
192 +=== 1.8.1  Items needed for update ===
192 192  
193 -example: AT+SENDB=01,02,8,05820802581ea0a5
194 194  
195 -[[image:image-20220602162157-11.png]]
195 +1. LA66 LoRaWAN Shield
196 +1. Arduino
197 +1. USB TO TTL Adapter
196 196  
197 -Check to see if TTN received the message
199 +[[image:image-20220602100052-2.png||height="385" width="600"]]
198 198  
199 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
200 200  
201 -== Example Send & Get Messages via LoRaWAN in RPi ==
202 202  
203 -Connect the LA66 LoRa Shield to the RPI
203 +=== 1.8.2  Connection ===
204 204  
205 -[[image:image-20220602171233-2.png||height="592" width="881"]]
206 206  
207 -Log in to the RPI's terminal and connect to the serial port
206 +[[image:image-20220602101311-3.png||height="276" width="600"]]
208 208  
209 -[[image:image-20220602153146-3.png]]
210 210  
211 -Press the reset switch RST on the LA66 LoRa Shield.
212 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
209 +(((
210 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
211 +)))
213 213  
214 -[[image:image-20220602154928-5.png]]
213 +(((
214 +(% style="background-color:yellow" %)**GND  <-> GND
215 +TXD  <->  TXD
216 +RXD  <->  RXD**
217 +)))
215 215  
216 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
217 217  
218 -example: AT+SENDB=01,02,8,05820802581ea0a5
220 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
219 219  
220 -[[image:image-20220602160339-6.png]]
222 +Connect USB TTL Adapter to PC after connecting the wires
221 221  
222 -Check to see if TTN received the message
223 223  
224 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
225 +[[image:image-20220602102240-4.png||height="304" width="600"]]
225 225  
226 -=== Install Minicom ===
227 227  
228 -Enter the following command in the RPI terminal
229 229  
230 -apt update
229 +=== 1.8.3  Upgrade steps ===
231 231  
232 -[[image:image-20220602143155-1.png]]
233 233  
234 -apt install minicom
235 235  
236 -[[image:image-20220602143744-2.png]]
233 +==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
237 237  
238 -=== Send PC's CPU/RAM usage to TTN via script. ===
239 239  
240 -==== Take python as an example： ====
236 +[[image:image-20220602102824-5.png||height="306" width="600"]]
241 241  
242 -===== Preconditions: =====
243 243  
244 -1.LA66 USB LoRaWAN Adapter works fine
245 245  
246 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
240 +==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
247 247  
248 -===== Steps for usage =====
249 249  
250 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
243 +[[image:image-20220602104701-12.png||height="285" width="600"]]
251 251  
252 -2.Run the script and see the TTN
253 253  
254 -[[image:image-20220602115852-3.png]]
255 255  
247 +==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
256 256  
257 257  
258 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
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 +)))
259 259  
260 260  
261 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
255 +[[image:image-20220602103227-6.png]]
262 262  
263 -
257 +
258 +[[image:image-20220602103357-7.png]]
259 +
260 +
261 +
262 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
263 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
264 +
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]]
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