Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 146.7 >
edited by Xiaoling
on 2022/08/16 14:19
To version < 64.1 >
edited by Edwin Chen
on 2022/07/02 21:03
>
Change comment: There is no comment for this version

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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 v1.0.4 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  
45 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
70 70  
71 -== 1.3  Specification ==
47 +LoRa Rx current: <9 mA
72 72  
49 +I/O Voltage: 3.3v
73 73  
74 -* CPU: 32-bit 48 MHz
75 -* Flash: 256KB
76 -* RAM: 64KB
77 -* Input Power Range: 1.8v ~~ 3.7v
78 -* Power Consumption: < 4uA.
79 -* Frequency Range: 150 MHz ~~ 960 MHz
80 -* Maximum Power +22 dBm constant RF output
81 -* High sensitivity: -148 dBm
82 -* Temperature:
83 -** Storage: -55 ~~ +125℃
84 -** Operating: -40 ~~ +85℃
85 -* Humidity:
86 -** Storage: 5 ~~ 95% (Non-Condensing)
87 -** Operating: 10 ~~ 95% (Non-Condensing)
88 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
89 -* LoRa Rx current: <9 mA
90 -* I/O Voltage: 3.3v
91 91  
52 +== AT Command ==
92 92  
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.
93 93  
94 94  
95 -== 1.4  Pin Mapping & LED ==
57 +== Pin Mapping ==
96 96  
59 +[[image:image-20220523101537-1.png]]
97 97  
98 -[[image:image-20220814101457-1.png||height="553" width="761"]]
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  
131 -(% 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**
109 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
132 132  
133 -[[image:image-20220726135356-2.png]]
111 +GND  >>>>>>>>>>>>GND
134 134  
113 +TXD  >>>>>>>>>>>>TXD
135 135  
136 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
115 +RXD  >>>>>>>>>>>>RXD
137 137  
117 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
138 138  
139 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
119 +Connect to the PC after connecting the wires
140 140  
121 +[[image:image-20220602102240-4.png]]
141 141  
123 +=== Upgrade steps ===
142 142  
143 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
125 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
144 144  
127 +[[image:image-20220602102824-5.png]]
145 145  
146 -(% style="color:blue" %)**1.  Open project**
129 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
147 147  
131 +[[image:image-20220602104701-12.png]]
148 148  
149 -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 +==== Open the upgrade application software ====
150 150  
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/]]
151 151  
152 -[[image:image-20220723172502-8.png]]
137 +[[image:image-20220602103227-6.png]]
153 153  
139 +[[image:image-20220602103357-7.png]]
154 154  
141 +===== Select the COM port corresponding to USB TTL =====
155 155  
156 -(% 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**
143 +[[image:image-20220602103844-8.png]]
157 157  
145 +===== Select the bin file to burn =====
158 158  
159 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
147 +[[image:image-20220602104144-9.png]]
160 160  
149 +[[image:image-20220602104251-10.png]]
161 161  
151 +[[image:image-20220602104402-11.png]]
162 162  
163 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
153 +===== Click to start the download =====
164 164  
155 +[[image:image-20220602104923-13.png]]
165 165  
166 -(% style="color:blue" %)**1.  Open project**
157 +===== The following figure appears to prove that the burning is in progress =====
167 167  
159 +[[image:image-20220602104948-14.png]]
168 168  
169 -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]]
161 +===== The following picture appears to prove that the burning is successful =====
170 170  
163 +[[image:image-20220602105251-15.png]]
171 171  
172 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
165 += LA66 USB LoRaWAN Adapter =
173 173  
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.
174 174  
169 +Before use, please make sure that the computer has installed the CP2102 driver
175 175  
176 -(% 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**
171 +== Pin Mapping & LED ==
177 177  
173 +== Example Send & Get Messages via LoRaWAN in PC ==
178 178  
179 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
175 +Connect the LA66 LoRa Shield to the PC
180 180  
177 +[[image:image-20220602171217-1.png||height="615" width="915"]]
181 181  
179 +Open the serial port tool
182 182  
183 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
181 +[[image:image-20220602161617-8.png]]
184 184  
185 -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/]]
183 +[[image:image-20220602161718-9.png||height="529" width="927"]]
186 186  
187 -[[image:image-20220723175700-12.png||height="602" width="995"]]
185 +Press the reset switch RST on the LA66 LoRa Shield.
188 188  
187 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
189 189  
189 +[[image:image-20220602161935-10.png]]
190 190  
191 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
191 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
192 192  
193 +example: AT+SENDB=01,02,8,05820802581ea0a5
193 193  
194 -=== 1.8.1  Items needed for update ===
195 +[[image:image-20220602162157-11.png]]
195 195  
197 +Check to see if TTN received the message
196 196  
197 -1. LA66 LoRaWAN Shield
198 -1. Arduino
199 -1. USB TO TTL Adapter
199 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
200 200  
201 -[[image:image-20220602100052-2.png||height="385" width="600"]]
201 +== Example Send & Get Messages via LoRaWAN in RPi ==
202 202  
203 +Connect the LA66 LoRa Shield to the RPI
203 203  
205 +[[image:image-20220602171233-2.png||height="592" width="881"]]
204 204  
205 -=== 1.8.2  Connection ===
207 +Log in to the RPI's terminal and connect to the serial port
206 206  
209 +[[image:image-20220602153146-3.png]]
207 207  
208 -[[image:image-20220602101311-3.png||height="276" width="600"]]
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
209 209  
214 +[[image:image-20220602154928-5.png]]
210 210  
211 -(((
212 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
213 -)))
216 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
214 214  
215 -(((
216 -(% style="background-color:yellow" %)**GND  <-> GND
217 -TXD  <->  TXD
218 -RXD  <->  RXD**
219 -)))
218 +example: AT+SENDB=01,02,8,05820802581ea0a5
220 220  
220 +[[image:image-20220602160339-6.png]]
221 221  
222 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
222 +Check to see if TTN received the message
223 223  
224 -Connect USB TTL Adapter to PC after connecting the wires
224 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
225 225  
226 +=== Install Minicom ===
226 226  
227 -[[image:image-20220602102240-4.png||height="304" width="600"]]
228 +Enter the following command in the RPI terminal
228 228  
230 +apt update
229 229  
232 +[[image:image-20220602143155-1.png]]
230 230  
231 -=== 2.8.3  Upgrade steps ===
234 +apt install minicom
232 232  
236 +[[image:image-20220602143744-2.png]]
233 233  
234 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
238 +=== Send PC's CPU/RAM usage to TTN via script. ===
235 235  
240 +==== Take python as an example： ====
236 236  
237 -[[image:image-20220602102824-5.png||height="306" width="600"]]
242 +===== Preconditions: =====
238 238  
244 +1.LA66 USB LoRaWAN Adapter works fine
239 239  
246 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
240 240  
241 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
248 +===== Steps for usage =====
242 242  
250 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
243 243  
244 -[[image:image-20220602104701-12.png||height="285" width="600"]]
252 +2.Run the script and see the TTN
245 245  
254 +[[image:image-20220602115852-3.png]]
246 246  
247 247  
248 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
249 249  
258 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
250 250  
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 -)))
254 254  
261 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
255 255  
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 -
336 -
337 -
338 -= 4.  Reference =
339 -
340 -
341 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
263 +
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