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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 65.1
edited by Edwin Chen
on 2022/07/02 23:30
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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  
30 +Frequency Range: 150 MHz ~~ 960 MHz
69 69  
70 -== 1.3  Specification ==
32 +Maximum Power +22 dBm constant RF output
71 71  
34 +High sensitivity: -148 dBm
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
36 +Temperature:
90 90  
38 +* Storage: -55 ~~ +125℃
39 +* Operating: -40 ~~ +85℃
91 91  
41 +Humidity:
92 92  
93 -== 1.4  Pin Mapping & LED ==
43 +* Storage: 5 ~~ 95% (Non-Condensing)
44 +* Operating: 10 ~~ 95% (Non-Condensing)
94 94  
46 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
95 95  
96 -[[image:image-20220817085048-1.png]]
48 +LoRa Rx current: <9 mA
97 97  
50 +I/O Voltage: 3.3v
98 98  
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
53 +== AT Command ==
103 103  
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.
104 104  
105 105  
106 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
58 +== Pin Mapping ==
107 107  
60 +[[image:image-20220523101537-1.png]]
108 108  
109 -**Show connection diagram：**
62 +== Land Pattern ==
110 110  
64 +[[image:image-20220517072821-2.png]]
111 111  
112 -[[image:image-20220723170210-2.png||height="908" width="681"]]
113 113  
67 +== Part Number ==
114 114  
69 +Part Number: **LA66-XXX**
115 115  
116 -(% style="color:blue" %)**1.  open Arduino IDE**
71 +**XX**: The default frequency band
117 117  
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
118 118  
119 -[[image:image-20220723170545-4.png]]
82 += LA66 LoRaWAN Shield =
120 120  
84 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
121 121  
86 +== Pin Mapping & LED ==
122 122  
123 -(% style="color:blue" %)**2.  Open project**
88 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
124 124  
90 +== Example: Join TTN network and send an uplink message, get downlink message. ==
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]]
92 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
127 127  
128 -[[image:image-20220726135239-1.png]]
94 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
129 129  
96 +=== what needs to be used ===
130 130  
98 +1.LA66 LoRaWAN Shield that needs to be upgraded
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**
100 +2.Arduino
133 133  
134 -[[image:image-20220726135356-2.png]]
102 +3.USB TO TTL
135 135  
104 +[[image:image-20220602100052-2.png]]
136 136  
106 +=== Wiring Schematic ===
137 137  
138 -(% 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]]
139 139  
110 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
140 140  
141 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
112 +GND  >>>>>>>>>>>>GND
142 142  
114 +TXD  >>>>>>>>>>>>TXD
143 143  
116 +RXD  >>>>>>>>>>>>RXD
144 144  
145 -== 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
146 146  
120 +Connect to the PC after connecting the wires
147 147  
148 -(% style="color:blue" %)**1.  Open project**
122 +[[image:image-20220602102240-4.png]]
149 149  
124 +=== Upgrade steps ===
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]]
126 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
152 152  
128 +[[image:image-20220602102824-5.png]]
153 153  
154 -[[image:image-20220723172502-8.png]]
130 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
155 155  
132 +[[image:image-20220602104701-12.png]]
156 156  
134 +==== Open the upgrade application software ====
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**
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/]]
159 159  
138 +[[image:image-20220602103227-6.png]]
160 160  
161 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
140 +[[image:image-20220602103357-7.png]]
162 162  
142 +===== Select the COM port corresponding to USB TTL =====
163 163  
144 +[[image:image-20220602103844-8.png]]
164 164  
165 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
146 +===== Select the bin file to burn =====
166 166  
148 +[[image:image-20220602104144-9.png]]
167 167  
168 -(% style="color:blue" %)**1.  Open project**
150 +[[image:image-20220602104251-10.png]]
169 169  
152 +[[image:image-20220602104402-11.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]]
154 +===== Click to start the download =====
172 172  
156 +[[image:image-20220602104923-13.png]]
173 173  
174 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
158 +===== The following figure appears to prove that the burning is in progress =====
175 175  
160 +[[image:image-20220602104948-14.png]]
176 176  
162 +===== The following picture appears to prove that the burning is successful =====
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**
164 +[[image:image-20220602105251-15.png]]
179 179  
166 += LA66 USB LoRaWAN Adapter =
180 180  
181 -[[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.
182 182  
170 +Before use, please make sure that the computer has installed the CP2102 driver
183 183  
172 +== Pin Mapping & LED ==
184 184  
185 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
174 +== Example Send & Get Messages via LoRaWAN in PC ==
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/]]
176 +Connect the LA66 LoRa Shield to the PC
188 188  
189 -[[image:image-20220723175700-12.png||height="602" width="995"]]
178 +[[image:image-20220602171217-1.png||height="615" width="915"]]
190 190  
180 +Open the serial port tool
191 191  
182 +[[image:image-20220602161617-8.png]]
192 192  
193 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
184 +[[image:image-20220602161718-9.png||height="529" width="927"]]
194 194  
186 +Press the reset switch RST on the LA66 LoRa Shield.
195 195  
196 -=== 1.8.1  Items needed for update ===
188 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
197 197  
190 +[[image:image-20220602161935-10.png]]
198 198  
199 -1. LA66 LoRaWAN Shield
200 -1. Arduino
201 -1. USB TO TTL Adapter
192 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
202 202  
203 -[[image:image-20220602100052-2.png||height="385" width="600"]]
194 +example: AT+SENDB=01,02,8,05820802581ea0a5
204 204  
196 +[[image:image-20220602162157-11.png]]
205 205  
198 +Check to see if TTN received the message
206 206  
207 -=== 1.8.2  Connection ===
200 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
208 208  
202 +== Example Send & Get Messages via LoRaWAN in RPi ==
209 209  
210 -[[image:image-20220602101311-3.png||height="276" width="600"]]
204 +Connect the LA66 LoRa Shield to the RPI
211 211  
206 +[[image:image-20220602171233-2.png||height="592" width="881"]]
212 212  
213 -(((
214 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
215 -)))
208 +Log in to the RPI's terminal and connect to the serial port
216 216  
217 -(((
218 -(% style="background-color:yellow" %)**GND  <-> GND
219 -TXD  <->  TXD
220 -RXD  <->  RXD**
221 -)))
210 +[[image:image-20220602153146-3.png]]
222 222  
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
223 223  
224 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
215 +[[image:image-20220602154928-5.png]]
225 225  
226 -Connect USB TTL Adapter to PC after connecting the wires
217 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
227 227  
219 +example: AT+SENDB=01,02,8,05820802581ea0a5
228 228  
229 -[[image:image-20220602102240-4.png||height="304" width="600"]]
221 +[[image:image-20220602160339-6.png]]
230 230  
223 +Check to see if TTN received the message
231 231  
225 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
232 232  
233 -=== 1.8.3  Upgrade steps ===
227 +=== Install Minicom ===
234 234  
229 +Enter the following command in the RPI terminal
235 235  
231 +apt update
236 236  
237 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
233 +[[image:image-20220602143155-1.png]]
238 238  
235 +apt install minicom
239 239  
240 -[[image:image-20220602102824-5.png||height="306" width="600"]]
237 +[[image:image-20220602143744-2.png]]
241 241  
239 +=== Send PC's CPU/RAM usage to TTN via script. ===
242 242  
241 +==== Take python as an example： ====
243 243  
244 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
243 +===== Preconditions: =====
245 245  
245 +1.LA66 USB LoRaWAN Adapter works fine
246 246  
247 -[[image:image-20220817085447-1.png]]
247 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
248 248  
249 +===== Steps for usage =====
249 249  
251 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
250 250  
253 +2.Run the script and see the TTN
251 251  
252 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
255 +[[image:image-20220602115852-3.png]]
253 253  
254 254  
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 -)))
258 258  
259 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
259 259  
260 -[[image:image-20220602103227-6.png]]
261 261  
262 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
262 262  
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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