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Last modified by Xiaoling on 2023/05/26 14:19
From version 148.2
edited by Xiaoling
on 2022/08/17 08:54
Change comment: There is no comment for this version
To version 64.1
edited by Edwin Chen
on 2022/07/02 21:03
Change comment: There is no comment for this version

Summary

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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.Edwin
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 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.
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
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.
11 11  
12 12  
13 -== 1.1  Overview ==
14 +LA66 is equipped with **TCXO crystal** which ensures the module can achieve the stable performance in extreme temperatures.
14 14  
15 15  
16 -(((
17 -[[image:image-20220715000826-2.png||height="145" width="220"]]
18 -)))
17 +**Each LA66 **module includes a world-unique OTAA key for LoRaWAN registration.
19 19  
20 -(((
21 -
22 -)))
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 -)))
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 -)))
21 +== Specification ==
33 33  
34 -(((
35 -(((
36 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 -)))
38 -)))
23 +[[image:image-20220517072526-1.png]]
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 -)))
25 +Input Power Range: 1.8v ~~ 3.7v
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 -)))
27 +Power Consumption: < 4uA.
51 51  
29 +Frequency Range: 150 MHz ~~ 960 MHz
52 52  
31 +Maximum Power +22 dBm constant RF output
53 53  
54 -== 1.2  Features ==
33 +High sensitivity: -148 dBm
55 55  
35 +Temperature:
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
37 +* Storage: -55 ~~ +125℃
38 +* Operating: -40 ~~ +85℃
67 67  
68 -== 1.3  Specification ==
40 +Humidity:
69 69  
42 +* Storage: 5 ~~ 95% (Non-Condensing)
43 +* Operating: 10 ~~ 95% (Non-Condensing)
70 70  
71 -* CPU: 32-bit 48 MHz
72 -* Flash: 256KB
73 -* RAM: 64KB
74 -* Input Power Range: 1.8v ~~ 3.7v
75 -* Power Consumption: < 4uA.
76 -* Frequency Range: 150 MHz ~~ 960 MHz
77 -* Maximum Power +22 dBm constant RF output
78 -* High sensitivity: -148 dBm
79 -* Temperature:
80 -** Storage: -55 ~~ +125℃
81 -** Operating: -40 ~~ +85℃
82 -* Humidity:
83 -** Storage: 5 ~~ 95% (Non-Condensing)
84 -** Operating: 10 ~~ 95% (Non-Condensing)
85 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
86 -* LoRa Rx current: <9 mA
87 -* I/O Voltage: 3.3v
45 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
88 88  
47 +LoRa Rx current: <9 mA
89 89  
49 +I/O Voltage: 3.3v
90 90  
91 -== 1.4  Pin Mapping & LED ==
92 92  
52 +== AT Command ==
93 93  
94 -[[image:image-20220817085048-1.png]]
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.
95 95  
96 96  
97 -~1. The LED lights up red when there is an upstream data packet
98 -2. When the network is successfully connected, the green light will be on for 5 seconds
99 -3. Purple light on when receiving downlink data packets
57 +== Pin Mapping ==
100 100  
59 +[[image:image-20220523101537-1.png]]
101 101  
61 +== Land Pattern ==
102 102  
103 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
63 +[[image:image-20220517072821-2.png]]
104 104  
105 105  
106 -**Show connection diagram：**
66 +== Part Number ==
107 107  
68 +Part Number: **LA66-XXX**
108 108  
109 -[[image:image-20220723170210-2.png||height="908" width="681"]]
70 +**XX**: The default frequency band
110 110  
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
111 111  
81 += LA66 LoRaWAN Shield =
112 112  
113 -(% style="color:blue" %)**1.  open Arduino IDE**
83 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
114 114  
85 +== Pin Mapping & LED ==
115 115  
116 -[[image:image-20220723170545-4.png]]
87 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
117 117  
89 +== Example: Join TTN network and send an uplink message, get downlink message. ==
118 118  
91 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
119 119  
120 -(% style="color:blue" %)**2.  Open project**
93 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
121 121  
95 +=== what needs to be used ===
122 122  
123 -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]]
97 +1.LA66 LoRaWAN Shield that needs to be upgraded
124 124  
125 -[[image:image-20220726135239-1.png]]
99 +2.Arduino
126 126  
101 +3.USB TO TTL
127 127  
128 -(% 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**
103 +[[image:image-20220602100052-2.png]]
129 129  
130 -[[image:image-20220726135356-2.png]]
105 +=== Wiring Schematic ===
131 131  
107 +[[image:image-20220602101311-3.png]]
132 132  
133 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
109 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
134 134  
111 +GND  >>>>>>>>>>>>GND
135 135  
136 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
113 +TXD  >>>>>>>>>>>>TXD
137 137  
115 +RXD  >>>>>>>>>>>>RXD
138 138  
117 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
139 139  
140 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
119 +Connect to the PC after connecting the wires
141 141  
121 +[[image:image-20220602102240-4.png]]
142 142  
143 -(% style="color:blue" %)**1.  Open project**
123 +=== Upgrade steps ===
144 144  
125 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
145 145  
146 -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]]
127 +[[image:image-20220602102824-5.png]]
147 147  
129 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
148 148  
149 -[[image:image-20220723172502-8.png]]
131 +[[image:image-20220602104701-12.png]]
150 150  
133 +==== Open the upgrade application software ====
151 151  
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/]]
152 152  
153 -(% 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**
137 +[[image:image-20220602103227-6.png]]
154 154  
139 +[[image:image-20220602103357-7.png]]
155 155  
156 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
141 +===== Select the COM port corresponding to USB TTL =====
157 157  
143 +[[image:image-20220602103844-8.png]]
158 158  
145 +===== Select the bin file to burn =====
159 159  
160 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
147 +[[image:image-20220602104144-9.png]]
161 161  
149 +[[image:image-20220602104251-10.png]]
162 162  
163 -(% style="color:blue" %)**1.  Open project**
151 +[[image:image-20220602104402-11.png]]
164 164  
153 +===== Click to start the download =====
165 165  
166 -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]]
155 +[[image:image-20220602104923-13.png]]
167 167  
157 +===== The following figure appears to prove that the burning is in progress =====
168 168  
169 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
159 +[[image:image-20220602104948-14.png]]
170 170  
161 +===== The following picture appears to prove that the burning is successful =====
171 171  
163 +[[image:image-20220602105251-15.png]]
172 172  
173 -(% 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**
165 += LA66 USB LoRaWAN Adapter =
174 174  
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.
175 175  
176 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
169 +Before use, please make sure that the computer has installed the CP2102 driver
177 177  
171 +== Pin Mapping & LED ==
178 178  
173 +== Example Send & Get Messages via LoRaWAN in PC ==
179 179  
180 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
175 +Connect the LA66 LoRa Shield to the PC
181 181  
182 -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/]]
177 +[[image:image-20220602171217-1.png||height="615" width="915"]]
183 183  
184 -[[image:image-20220723175700-12.png||height="602" width="995"]]
179 +Open the serial port tool
185 185  
181 +[[image:image-20220602161617-8.png]]
186 186  
183 +[[image:image-20220602161718-9.png||height="529" width="927"]]
187 187  
188 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
185 +Press the reset switch RST on the LA66 LoRa Shield.
189 189  
187 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
190 190  
191 -=== 1.8.1  Items needed for update ===
189 +[[image:image-20220602161935-10.png]]
192 192  
191 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
193 193  
194 -1. LA66 LoRaWAN Shield
195 -1. Arduino
196 -1. USB TO TTL Adapter
193 +example: AT+SENDB=01,02,8,05820802581ea0a5
197 197  
198 -[[image:image-20220602100052-2.png||height="385" width="600"]]
195 +[[image:image-20220602162157-11.png]]
199 199  
197 +Check to see if TTN received the message
200 200  
199 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
201 201  
202 -=== 1.8.2  Connection ===
201 +== Example Send & Get Messages via LoRaWAN in RPi ==
203 203  
203 +Connect the LA66 LoRa Shield to the RPI
204 204  
205 -[[image:image-20220602101311-3.png||height="276" width="600"]]
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
207 207  
208 -(((
209 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
210 -)))
209 +[[image:image-20220602153146-3.png]]
211 211  
212 -(((
213 -(% style="background-color:yellow" %)**GND  <-> GND
214 -TXD  <->  TXD
215 -RXD  <->  RXD**
216 -)))
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
217 217  
214 +[[image:image-20220602154928-5.png]]
218 218  
219 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
216 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
220 220  
221 -Connect USB TTL Adapter to PC after connecting the wires
218 +example: AT+SENDB=01,02,8,05820802581ea0a5
222 222  
220 +[[image:image-20220602160339-6.png]]
223 223  
224 -[[image:image-20220602102240-4.png||height="304" width="600"]]
222 +Check to see if TTN received the message
225 225  
224 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
226 226  
226 +=== Install Minicom ===
227 227  
228 -=== 1.8.3  Upgrade steps ===
228 +Enter the following command in the RPI terminal
229 229  
230 +apt update
230 230  
232 +[[image:image-20220602143155-1.png]]
231 231  
232 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
234 +apt install minicom
233 233  
236 +[[image:image-20220602143744-2.png]]
234 234  
235 -[[image:image-20220602102824-5.png||height="306" width="600"]]
238 +=== Send PC's CPU/RAM usage to TTN via script. ===
236 236  
240 +==== Take python as an example： ====
237 237  
242 +===== Preconditions: =====
238 238  
239 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
244 +1.LA66 USB LoRaWAN Adapter works fine
240 240  
246 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
241 241  
242 -[[image:image-20220817085447-1.png]]
248 +===== Steps for usage =====
243 243  
250 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
244 244  
252 +2.Run the script and see the TTN
245 245  
246 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
254 +[[image:image-20220602115852-3.png]]
247 247  
248 248  
249 -(((
250 -(% 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/]]**
251 -)))
252 252  
258 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
253 253  
254 -[[image:image-20220602103227-6.png]]
255 255  
261 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
256 256  
257 -[[image:image-20220602103357-7.png]]
258 -
259 -
260 -
261 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
262 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
263 -
264 -
265 -[[image:image-20220602103844-8.png]]
266 -
267 -
268 -
269 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
270 -(% style="color:blue" %)**3. Select the bin file to burn**
271 -
272 -
273 -[[image:image-20220602104144-9.png]]
274 -
275 -
276 -[[image:image-20220602104251-10.png]]
277 -
278 -
279 -[[image:image-20220602104402-11.png]]
280 -
281 -
282 -
283 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
284 -(% style="color:blue" %)**4. Click to start the download**
285 -
286 -[[image:image-20220602104923-13.png]]
287 -
288 -
289 -
290 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
291 -(% style="color:blue" %)**5. Check update process**
292 -
293 -
294 -[[image:image-20220602104948-14.png]]
295 -
296 -
297 -
298 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
299 -(% style="color:blue" %)**The following picture shows that the burning is successful**
300 -
301 -[[image:image-20220602105251-15.png]]
302 -
303 -
304 -
305 -= 2.  FAQ =
306 -
307 -
308 -== 2.1  How to Compile Source Code for LA66? ==
309 -
310 -
311 -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]]
312 -
313 -
314 -
315 -= 3.  Order Info =
316 -
317 -
318 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
319 -
320 -
321 -(% style="color:blue" %)**XXX**(%%): The default frequency band
322 -
323 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
324 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
325 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
326 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
327 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
328 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
329 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
330 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
331 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
332 -
333 -= 4.  Reference =
334 -
335 -
336 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
263 +
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