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Last modified by Xiaoling on 2023/05/26 14:19
From version 150.1
edited by Edwin Chen
on 2022/08/20 11:23
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To version 64.1
edited by Edwin Chen
on 2022/07/02 21:03
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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 +**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  
40 +Humidity:
68 68  
42 +* Storage: 5 ~~ 95% (Non-Condensing)
43 +* Operating: 10 ~~ 95% (Non-Condensing)
69 69  
70 -== 1.3  Specification ==
45 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
71 71  
47 +LoRa Rx current: <9 mA
72 72  
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
49 +I/O Voltage: 3.3v
90 90  
91 91  
52 +== AT Command ==
92 92  
93 -== 1.4  Pin Mapping & LED ==
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.
94 94  
95 95  
96 -[[image:image-20220817085048-1.png]]
57 +== Pin Mapping ==
97 97  
59 +[[image:image-20220523101537-1.png]]
98 98  
61 +== Land Pattern ==
99 99  
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
63 +[[image:image-20220517072821-2.png]]
103 103  
104 104  
66 +== Part Number ==
105 105  
106 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
68 +Part Number: **LA66-XXX**
107 107  
70 +**XX**: The default frequency band
108 108  
109 -**Show connection diagram：**
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
110 110  
81 += LA66 LoRaWAN Shield =
111 111  
112 -[[image:image-20220723170210-2.png||height="908" width="681"]]
83 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
113 113  
85 +== Pin Mapping & LED ==
114 114  
87 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
115 115  
116 -(% style="color:blue" %)**1.  open Arduino IDE**
89 +== Example: Join TTN network and send an uplink message, get downlink message. ==
117 117  
91 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
118 118  
119 -[[image:image-20220723170545-4.png]]
93 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
120 120  
95 +=== what needs to be used ===
121 121  
97 +1.LA66 LoRaWAN Shield that needs to be upgraded
122 122  
123 -(% style="color:blue" %)**2.  Open project**
99 +2.Arduino
124 124  
101 +3.USB TO TTL
125 125  
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]]
103 +[[image:image-20220602100052-2.png]]
127 127  
128 -[[image:image-20220726135239-1.png]]
105 +=== Wiring Schematic ===
129 129  
107 +[[image:image-20220602101311-3.png]]
130 130  
109 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
131 131  
132 -(% 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**
111 +GND  >>>>>>>>>>>>GND
133 133  
134 -[[image:image-20220726135356-2.png]]
113 +TXD  >>>>>>>>>>>>TXD
135 135  
115 +RXD  >>>>>>>>>>>>RXD
136 136  
117 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
137 137  
138 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
119 +Connect to the PC after connecting the wires
139 139  
121 +[[image:image-20220602102240-4.png]]
140 140  
141 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
123 +=== Upgrade steps ===
142 142  
125 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
143 143  
127 +[[image:image-20220602102824-5.png]]
144 144  
145 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
129 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
146 146  
131 +[[image:image-20220602104701-12.png]]
147 147  
148 -(% style="color:blue" %)**1.  Open project**
133 +==== Open the upgrade application software ====
149 149  
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/]]
150 150  
151 -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]]
137 +[[image:image-20220602103227-6.png]]
152 152  
139 +[[image:image-20220602103357-7.png]]
153 153  
154 -[[image:image-20220723172502-8.png]]
141 +===== Select the COM port corresponding to USB TTL =====
155 155  
143 +[[image:image-20220602103844-8.png]]
156 156  
145 +===== Select the bin file to burn =====
157 157  
158 -(% 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**
147 +[[image:image-20220602104144-9.png]]
159 159  
149 +[[image:image-20220602104251-10.png]]
160 160  
161 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
151 +[[image:image-20220602104402-11.png]]
162 162  
153 +===== Click to start the download =====
163 163  
155 +[[image:image-20220602104923-13.png]]
164 164  
165 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
157 +===== The following figure appears to prove that the burning is in progress =====
166 166  
159 +[[image:image-20220602104948-14.png]]
167 167  
168 -(% style="color:blue" %)**1.  Open project**
161 +===== The following picture appears to prove that the burning is successful =====
169 169  
163 +[[image:image-20220602105251-15.png]]
170 170  
171 -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]]
165 += LA66 USB LoRaWAN Adapter =
172 172  
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.
173 173  
174 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
169 +Before use, please make sure that the computer has installed the CP2102 driver
175 175  
171 +== Pin Mapping & LED ==
176 176  
173 +== Example Send & Get Messages via LoRaWAN in PC ==
177 177  
178 -(% 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**
175 +Connect the LA66 LoRa Shield to the PC
179 179  
177 +[[image:image-20220602171217-1.png||height="615" width="915"]]
180 180  
181 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
179 +Open the serial port tool
182 182  
181 +[[image:image-20220602161617-8.png]]
183 183  
183 +[[image:image-20220602161718-9.png||height="529" width="927"]]
184 184  
185 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
185 +Press the reset switch RST on the LA66 LoRa Shield.
186 186  
187 -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/]]
187 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
188 188  
189 -[[image:image-20220723175700-12.png||height="602" width="995"]]
189 +[[image:image-20220602161935-10.png]]
190 190  
191 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
191 191  
193 +example: AT+SENDB=01,02,8,05820802581ea0a5
192 192  
193 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
195 +[[image:image-20220602162157-11.png]]
194 194  
197 +Check to see if TTN received the message
195 195  
196 -=== 1.8.1  Items needed for update ===
199 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
197 197  
201 +== Example Send & Get Messages via LoRaWAN in RPi ==
198 198  
199 -1. LA66 LoRaWAN Shield
200 -1. Arduino
201 -1. USB TO TTL Adapter
203 +Connect the LA66 LoRa Shield to the RPI
202 202  
203 -[[image:image-20220602100052-2.png||height="385" width="600"]]
205 +[[image:image-20220602171233-2.png||height="592" width="881"]]
204 204  
207 +Log in to the RPI's terminal and connect to the serial port
205 205  
209 +[[image:image-20220602153146-3.png]]
206 206  
207 -=== 1.8.2  Connection ===
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
208 208  
214 +[[image:image-20220602154928-5.png]]
209 209  
210 -[[image:image-20220602101311-3.png||height="276" width="600"]]
216 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
211 211  
218 +example: AT+SENDB=01,02,8,05820802581ea0a5
212 212  
213 -(((
214 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
215 -)))
220 +[[image:image-20220602160339-6.png]]
216 216  
217 -(((
218 -(% style="background-color:yellow" %)**GND  <-> GND
219 -TXD  <->  TXD
220 -RXD  <->  RXD**
221 -)))
222 +Check to see if TTN received the message
222 222  
224 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
223 223  
224 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
226 +=== Install Minicom ===
225 225  
226 -Connect USB TTL Adapter to PC after connecting the wires
228 +Enter the following command in the RPI terminal
227 227  
230 +apt update
228 228  
229 -[[image:image-20220602102240-4.png||height="304" width="600"]]
232 +[[image:image-20220602143155-1.png]]
230 230  
234 +apt install minicom
231 231  
236 +[[image:image-20220602143744-2.png]]
232 232  
233 -=== 1.8.3  Upgrade steps ===
238 +=== Send PC's CPU/RAM usage to TTN via script. ===
234 234  
240 +==== Take python as an example： ====
235 235  
242 +===== Preconditions: =====
236 236  
237 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
244 +1.LA66 USB LoRaWAN Adapter works fine
238 238  
246 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
239 239  
240 -[[image:image-20220602102824-5.png||height="306" width="600"]]
248 +===== Steps for usage =====
241 241  
250 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
242 242  
252 +2.Run the script and see the TTN
243 243  
244 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
254 +[[image:image-20220602115852-3.png]]
245 245  
246 246  
247 -[[image:image-20220817085447-1.png]]
248 248  
258 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
249 249  
250 250  
261 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
251 251  
252 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
253 -
254 -
255 -(((
256 -(% 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/]]**
257 -)))
258 -
259 -
260 -[[image:image-20220602103227-6.png]]
261 -
262 -
263 -[[image:image-20220602103357-7.png]]
264 -
265 -
266 -
267 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
268 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
269 -
270 -
271 -[[image:image-20220602103844-8.png]]
272 -
273 -
274 -
275 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
276 -(% style="color:blue" %)**3. Select the bin file to burn**
277 -
278 -
279 -[[image:image-20220602104144-9.png]]
280 -
281 -
282 -[[image:image-20220602104251-10.png]]
283 -
284 -
285 -[[image:image-20220602104402-11.png]]
286 -
287 -
288 -
289 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
290 -(% style="color:blue" %)**4. Click to start the download**
291 -
292 -[[image:image-20220602104923-13.png]]
293 -
294 -
295 -
296 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
297 -(% style="color:blue" %)**5. Check update process**
298 -
299 -
300 -[[image:image-20220602104948-14.png]]
301 -
302 -
303 -
304 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
305 -(% style="color:blue" %)**The following picture shows that the burning is successful**
306 -
307 -[[image:image-20220602105251-15.png]]
308 -
309 -
310 -
311 -= 2.  FAQ =
312 -
313 -
314 -== 2.1  How to Compile Source Code for LA66? ==
315 -
316 -
317 -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]]
318 -
319 -
320 -
321 -= 3.  Order Info =
322 -
323 -
324 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
325 -
326 -
327 -(% style="color:blue" %)**XXX**(%%): The default frequency band
328 -
329 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
330 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
331 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
332 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
333 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
334 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
335 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
336 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
337 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
338 -
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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