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Last modified by Xiaoling on 2023/05/26 14:19
From version 151.1
edited by Edwin Chen
on 2022/08/20 11:23
Change comment: There is no comment for this version
To version 65.1
edited by Edwin Chen
on 2022/07/02 23:30
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
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 +(% style="color:blue" %)**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 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**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 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.
11 11  
12 -
13 -== 1.1  Overview ==
14 -
15 -
16 -(((
17 -[[image:image-20220715000826-2.png||height="145" width="220"]]
18 -)))
19 -
20 -(((
21 -
22 -)))
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 -
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 -)))
33 -
34 -(((
35 -(((
36 36  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 -)))
38 -)))
39 39  
40 -(((
41 -(((
42 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 -)))
45 45  
46 -(((
47 -(((
48 48  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 -)))
50 -)))
51 51  
19 +== Features ==
52 52  
53 53  
54 -== 1.2  Features ==
22 +== Specification ==
55 55  
24 +[[image:image-20220517072526-1.png]]
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
26 +Input Power Range: 1.8v ~~ 3.7v
67 67  
28 +Power Consumption: < 4uA.
68 68  
69 -== 1.3  Specification ==
30 +Frequency Range: 150 MHz ~~ 960 MHz
70 70  
32 +Maximum Power +22 dBm constant RF output
71 71  
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
34 +High sensitivity: -148 dBm
89 89  
36 +Temperature:
90 90  
91 -== 1.4  Pin Mapping & LED ==
38 +* Storage: -55 ~~ +125℃
39 +* Operating: -40 ~~ +85℃
92 92  
41 +Humidity:
93 93  
94 -[[image:image-20220817085048-1.png||height="533" width="734"]]
43 +* Storage: 5 ~~ 95% (Non-Condensing)
44 +* Operating: 10 ~~ 95% (Non-Condensing)
95 95  
46 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
96 96  
48 +LoRa Rx current: <9 mA
97 97  
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
50 +I/O Voltage: 3.3v
101 101  
102 102  
103 -[[image:image-20220820112305-1.png||height="515" width="749"]]
53 +== AT Command ==
104 104  
55 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
105 105  
106 106  
107 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
58 +== Pin Mapping ==
108 108  
60 +[[image:image-20220523101537-1.png]]
109 109  
110 -**Show connection diagram：**
62 +== Land Pattern ==
111 111  
64 +[[image:image-20220517072821-2.png]]
112 112  
113 -[[image:image-20220723170210-2.png||height="908" width="681"]]
114 114  
67 +== Part Number ==
115 115  
69 +Part Number: **LA66-XXX**
116 116  
117 -(% style="color:blue" %)**1.  open Arduino IDE**
71 +**XX**: The default frequency band
118 118  
73 +* **AS923**: LoRaWAN AS923 band
74 +* **AU915**: LoRaWAN AU915 band
75 +* **EU433**: LoRaWAN EU433 band
76 +* **EU868**: LoRaWAN EU868 band
77 +* **KR920**: LoRaWAN KR920 band
78 +* **US915**: LoRaWAN US915 band
79 +* **IN865**: LoRaWAN IN865 band
80 +* **CN470**: LoRaWAN CN470 band
119 119  
120 -[[image:image-20220723170545-4.png]]
82 += LA66 LoRaWAN Shield =
121 121  
84 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
122 122  
86 +== Pin Mapping & LED ==
123 123  
124 -(% style="color:blue" %)**2.  Open project**
88 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
125 125  
90 +== Example: Join TTN network and send an uplink message, get downlink message. ==
126 126  
127 -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]]
92 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
128 128  
129 -[[image:image-20220726135239-1.png]]
94 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
130 130  
96 +=== what needs to be used ===
131 131  
98 +1.LA66 LoRaWAN Shield that needs to be upgraded
132 132  
133 -(% 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**
100 +2.Arduino
134 134  
135 -[[image:image-20220726135356-2.png]]
102 +3.USB TO TTL
136 136  
104 +[[image:image-20220602100052-2.png]]
137 137  
106 +=== Wiring Schematic ===
138 138  
139 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
108 +[[image:image-20220602101311-3.png]]
140 140  
110 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
141 141  
142 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
112 +GND  >>>>>>>>>>>>GND
143 143  
114 +TXD  >>>>>>>>>>>>TXD
144 144  
116 +RXD  >>>>>>>>>>>>RXD
145 145  
146 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
118 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
147 147  
120 +Connect to the PC after connecting the wires
148 148  
149 -(% style="color:blue" %)**1.  Open project**
122 +[[image:image-20220602102240-4.png]]
150 150  
124 +=== Upgrade steps ===
151 151  
152 -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]]
126 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
153 153  
128 +[[image:image-20220602102824-5.png]]
154 154  
155 -[[image:image-20220723172502-8.png]]
130 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
156 156  
132 +[[image:image-20220602104701-12.png]]
157 157  
134 +==== Open the upgrade application software ====
158 158  
159 -(% 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**
136 +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/]]
160 160  
138 +[[image:image-20220602103227-6.png]]
161 161  
162 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
140 +[[image:image-20220602103357-7.png]]
163 163  
142 +===== Select the COM port corresponding to USB TTL =====
164 164  
144 +[[image:image-20220602103844-8.png]]
165 165  
166 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
146 +===== Select the bin file to burn =====
167 167  
148 +[[image:image-20220602104144-9.png]]
168 168  
169 -(% style="color:blue" %)**1.  Open project**
150 +[[image:image-20220602104251-10.png]]
170 170  
152 +[[image:image-20220602104402-11.png]]
171 171  
172 -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]]
154 +===== Click to start the download =====
173 173  
156 +[[image:image-20220602104923-13.png]]
174 174  
175 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
158 +===== The following figure appears to prove that the burning is in progress =====
176 176  
160 +[[image:image-20220602104948-14.png]]
177 177  
162 +===== The following picture appears to prove that the burning is successful =====
178 178  
179 -(% 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**
164 +[[image:image-20220602105251-15.png]]
180 180  
166 += LA66 USB LoRaWAN Adapter =
181 181  
182 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
168 +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.
183 183  
170 +Before use, please make sure that the computer has installed the CP2102 driver
184 184  
172 +== Pin Mapping & LED ==
185 185  
186 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
174 +== Example Send & Get Messages via LoRaWAN in PC ==
187 187  
188 -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/]]
176 +Connect the LA66 LoRa Shield to the PC
189 189  
190 -[[image:image-20220723175700-12.png||height="602" width="995"]]
178 +[[image:image-20220602171217-1.png||height="615" width="915"]]
191 191  
180 +Open the serial port tool
192 192  
182 +[[image:image-20220602161617-8.png]]
193 193  
194 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
184 +[[image:image-20220602161718-9.png||height="529" width="927"]]
195 195  
186 +Press the reset switch RST on the LA66 LoRa Shield.
196 196  
197 -=== 1.8.1  Items needed for update ===
188 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
198 198  
190 +[[image:image-20220602161935-10.png]]
199 199  
200 -1. LA66 LoRaWAN Shield
201 -1. Arduino
202 -1. USB TO TTL Adapter
192 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
203 203  
204 -[[image:image-20220602100052-2.png||height="385" width="600"]]
194 +example: AT+SENDB=01,02,8,05820802581ea0a5
205 205  
196 +[[image:image-20220602162157-11.png]]
206 206  
198 +Check to see if TTN received the message
207 207  
208 -=== 1.8.2  Connection ===
200 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
209 209  
202 +== Example Send & Get Messages via LoRaWAN in RPi ==
210 210  
211 -[[image:image-20220602101311-3.png||height="276" width="600"]]
204 +Connect the LA66 LoRa Shield to the RPI
212 212  
206 +[[image:image-20220602171233-2.png||height="592" width="881"]]
213 213  
214 -(((
215 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
216 -)))
208 +Log in to the RPI's terminal and connect to the serial port
217 217  
218 -(((
219 -(% style="background-color:yellow" %)**GND  <-> GND
220 -TXD  <->  TXD
221 -RXD  <->  RXD**
222 -)))
210 +[[image:image-20220602153146-3.png]]
223 223  
212 +Press the reset switch RST on the LA66 LoRa Shield.
213 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
224 224  
225 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
215 +[[image:image-20220602154928-5.png]]
226 226  
227 -Connect USB TTL Adapter to PC after connecting the wires
217 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
228 228  
219 +example: AT+SENDB=01,02,8,05820802581ea0a5
229 229  
230 -[[image:image-20220602102240-4.png||height="304" width="600"]]
221 +[[image:image-20220602160339-6.png]]
231 231  
223 +Check to see if TTN received the message
232 232  
225 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
233 233  
234 -=== 1.8.3  Upgrade steps ===
227 +=== Install Minicom ===
235 235  
229 +Enter the following command in the RPI terminal
236 236  
231 +apt update
237 237  
238 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
233 +[[image:image-20220602143155-1.png]]
239 239  
235 +apt install minicom
240 240  
241 -[[image:image-20220602102824-5.png||height="306" width="600"]]
237 +[[image:image-20220602143744-2.png]]
242 242  
239 +=== Send PC's CPU/RAM usage to TTN via script. ===
243 243  
241 +==== Take python as an example： ====
244 244  
245 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
243 +===== Preconditions: =====
246 246  
245 +1.LA66 USB LoRaWAN Adapter works fine
247 247  
248 -[[image:image-20220817085447-1.png]]
247 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
249 249  
249 +===== Steps for usage =====
250 250  
251 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
251 251  
253 +2.Run the script and see the TTN
252 252  
253 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
255 +[[image:image-20220602115852-3.png]]
254 254  
255 255  
256 -(((
257 -(% 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/]]**
258 -)))
259 259  
259 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
260 260  
261 -[[image:image-20220602103227-6.png]]
262 262  
262 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
263 263  
264 -[[image:image-20220602103357-7.png]]
265 -
266 -
267 -
268 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
269 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
270 -
271 -
272 -[[image:image-20220602103844-8.png]]
273 -
274 -
275 -
276 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
277 -(% style="color:blue" %)**3. Select the bin file to burn**
278 -
279 -
280 -[[image:image-20220602104144-9.png]]
281 -
282 -
283 -[[image:image-20220602104251-10.png]]
284 -
285 -
286 -[[image:image-20220602104402-11.png]]
287 -
288 -
289 -
290 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
291 -(% style="color:blue" %)**4. Click to start the download**
292 -
293 -[[image:image-20220602104923-13.png]]
294 -
295 -
296 -
297 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
298 -(% style="color:blue" %)**5. Check update process**
299 -
300 -
301 -[[image:image-20220602104948-14.png]]
302 -
303 -
304 -
305 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
306 -(% style="color:blue" %)**The following picture shows that the burning is successful**
307 -
308 -[[image:image-20220602105251-15.png]]
309 -
310 -
311 -
312 -= 2.  FAQ =
313 -
314 -
315 -== 2.1  How to Compile Source Code for LA66? ==
316 -
317 -
318 -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]]
319 -
320 -
321 -
322 -= 3.  Order Info =
323 -
324 -
325 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
326 -
327 -
328 -(% style="color:blue" %)**XXX**(%%): The default frequency band
329 -
330 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
331 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
332 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
333 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
334 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
335 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
336 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
337 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
338 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
339 -
340 -
341 -
342 -= 4.  Reference =
343 -
344 -
345 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
346 -
347 347  
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