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Last modified by Xiaoling on 2023/05/26 14:19
From version 28.1
edited by Herong Lu
on 2022/06/02 10:47
Change comment: Uploaded new attachment "image-20220602104701-12.png", version {1}
To version 147.3
edited by Xiaoling
on 2022/08/17 08:53
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
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1 -XWiki.Lu
1 +XWiki.Xiaoling
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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 v1.0.3 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
42 42  
43 -LoRa Rx current: <9 mA
44 44  
45 -I/O Voltage: 3.3v
69 +== 1.3  Specification ==
46 46  
47 47  
48 -== AT Command ==
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
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  
52 52  
53 -== Pin Mapping ==
54 54  
55 -[[image:image-20220523101537-1.png]]
93 +== 1.4  Pin Mapping & LED ==
56 56  
57 -== Land Pattern ==
58 58  
59 -[[image:image-20220517072821-2.png]]
96 +[[image:image-20220817085048-1.png]]
60 60  
61 61  
62 -== Part Number ==
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
63 63  
64 -Part Number: **LA66-XXX**
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
105 +== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
76 76  
77 -= LA66 LoRaWAN Shield =
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.
108 +**Show connection diagram：**
80 80  
81 -== Pin Mapping & LED ==
82 82  
83 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
111 +[[image:image-20220723170210-2.png||height="908" width="681"]]
84 84  
85 -== Example: Join TTN network and send an uplink message, get downlink message. ==
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 ==
115 +(% style="color:blue" %)**1.  open Arduino IDE**
90 90  
91 -=== what needs to be used ===
92 92  
93 -1.LA66 LoRaWAN Shield that needs to be upgraded
118 +[[image:image-20220723170545-4.png]]
94 94  
95 -2.Arduino
96 96  
97 -3.USB TO TTL
98 98  
99 -[[image:image-20220602100052-2.png]]
122 +(% style="color:blue" %)**2.  Open project**
100 100  
101 -=== Wiring Schematic ===
102 102  
103 -[[image:image-20220602101311-3.png]]
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]]
104 104  
105 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
127 +[[image:image-20220726135239-1.png]]
106 106  
107 -GND  >>>>>>>>>>>>GND
108 108  
109 -TXD  >>>>>>>>>>>>TXD
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**
110 110  
111 -RXD  >>>>>>>>>>>>RXD
132 +[[image:image-20220726135356-2.png]]
112 112  
113 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
114 114  
115 -Connect to the PC after connecting the wires
135 +(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
116 116  
117 -[[image:image-20220602102240-4.png]]
118 118  
119 -=== Upgrade steps ===
138 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
120 120  
121 121  
122 -= LA66 USB LoRaWAN Adapter =
123 123  
124 -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.
142 +== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
125 125  
126 -== Pin Mapping & LED ==
127 127  
128 -== Example Send & Get Messages via LoRaWAN in PC ==
145 +(% style="color:blue" %)**1.  Open project**
129 129  
130 -== Example Send & Get Messages via LoRaWAN in RPi ==
131 131  
132 -=== Install USB Driver ===
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]]
133 133  
134 -=== Install Minicom ===
135 135  
136 -=== Use AT Command to send an uplink message. ===
151 +[[image:image-20220723172502-8.png]]
137 137  
138 -=== Send CPU/RAM usage to TTN via a script. ===
139 139  
140 140  
141 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
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**
142 142  
143 143  
144 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
158 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
159 +
160 +
161 +
162 +== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
163 +
164 +
165 +(% style="color:blue" %)**1.  Open project**
166 +
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]]
169 +
170 +
171 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
172 +
173 +
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**
176 +
177 +
178 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
179 +
180 +
181 +
182 +(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
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/]]
185 +
186 +[[image:image-20220723175700-12.png||height="602" width="995"]]
187 +
188 +
189 +
190 +== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
191 +
192 +
193 +=== 1.8.1  Items needed for update ===
194 +
195 +
196 +1. LA66 LoRaWAN Shield
197 +1. Arduino
198 +1. USB TO TTL Adapter
199 +
200 +[[image:image-20220602100052-2.png||height="385" width="600"]]
201 +
202 +
203 +
204 +=== 1.8.2  Connection ===
205 +
206 +
207 +[[image:image-20220602101311-3.png||height="276" width="600"]]
208 +
209 +
210 +(((
211 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
212 +)))
213 +
214 +(((
215 +(% style="background-color:yellow" %)**GND  <-> GND
216 +TXD  <->  TXD
217 +RXD  <->  RXD**
218 +)))
219 +
220 +
221 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
222 +
223 +Connect USB TTL Adapter to PC after connecting the wires
224 +
225 +
226 +[[image:image-20220602102240-4.png||height="304" width="600"]]
227 +
228 +
229 +
230 +=== 1.8.3  Upgrade steps ===
231 +
232 +
233 +
234 +==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
235 +
236 +
237 +[[image:image-20220602102824-5.png||height="306" width="600"]]
238 +
239 +
240 +
241 +==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
242 +
243 +
244 +[[image:image-20220602104701-12.png||height="285" width="600"]]
245 +
246 +
247 +
248 +==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
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]]
CP210x_Universal_Windows_Driver.zip
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