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Last modified by Xiaoling on 2023/05/26 14:19
From version 146.7
edited by Xiaoling
on 2022/08/16 14:19
Change comment: There is no comment for this version
To version 54.1
edited by Herong Lu
on 2022/06/02 16:17
Change comment: Uploaded new attachment "image-20220602161718-9.png", version {1}

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1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Author
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1 -XWiki.Xiaoling
1 +XWiki.Lu
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 LoRa 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 program, create and connect your things everywhere.
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
11 +**LA66 **is a ready-to-use module which includes the LoRaWAN v1.0.4 protocol. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
11 11  
13 +**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
12 12  
13 -== 1.1  Overview ==
14 14  
15 15  
16 -(((
17 -[[image:image-20220715000826-2.png||height="145" width="220"]]
18 -)))
17 +== Specification ==
19 19  
20 -(((
21 -
22 -)))
19 +[[image:image-20220517072526-1.png]]
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 -)))
21 +Input Power Range: 1.8v ~~ 3.7v
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 -)))
23 +Power Consumption: < 4uA.
33 33  
34 -(((
35 -(((
36 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 -)))
38 -)))
25 +Frequency Range: 150 MHz ~~ 960 MHz
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 -)))
27 +Maximum Power +22 dBm constant RF output
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 -)))
29 +High sensitivity: -148 dBm
51 51  
31 +Temperature:
52 52  
33 +* Storage: -55 ~~ +125℃
34 +* Operating: -40 ~~ +85℃
53 53  
54 -== 1.2  Features ==
36 +Humidity:
55 55  
38 +* Storage: 5 ~~ 95% (Non-Condensing)
39 +* Operating: 10 ~~ 95% (Non-Condensing)
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
41 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
67 67  
43 +LoRa Rx current: <9 mA
68 68  
45 +I/O Voltage: 3.3v
69 69  
70 70  
71 -== 1.3  Specification ==
48 +== AT Command ==
72 72  
50 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
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  
53 +== Pin Mapping ==
92 92  
55 +[[image:image-20220523101537-1.png]]
93 93  
57 +== Land Pattern ==
94 94  
95 -== 1.4  Pin Mapping & LED ==
59 +[[image:image-20220517072821-2.png]]
96 96  
97 97  
98 -[[image:image-20220814101457-1.png||height="553" width="761"]]
62 +== Part Number ==
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
64 +Part Number: **LA66-XXX**
103 103  
66 +**XX**: The default frequency band
104 104  
68 +* **AS923**: LoRaWAN AS923 band
69 +* **AU915**: LoRaWAN AU915 band
70 +* **EU433**: LoRaWAN EU433 band
71 +* **EU868**: LoRaWAN EU868 band
72 +* **KR920**: LoRaWAN KR920 band
73 +* **US915**: LoRaWAN US915 band
74 +* **IN865**: LoRaWAN IN865 band
75 +* **CN470**: LoRaWAN CN470 band
105 105  
106 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
77 += LA66 LoRaWAN Shield =
107 107  
79 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
108 108  
109 -**Show connection diagram：**
81 +== Pin Mapping & LED ==
110 110  
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
111 111  
112 -[[image:image-20220723170210-2.png||height="908" width="681"]]
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
113 113  
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
114 114  
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
115 115  
116 -(% style="color:blue" %)**1.  open Arduino IDE**
91 +=== what needs to be used ===
117 117  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
118 118  
119 -[[image:image-20220723170545-4.png]]
95 +2.Arduino
120 120  
97 +3.USB TO TTL
121 121  
99 +[[image:image-20220602100052-2.png]]
122 122  
123 -(% style="color:blue" %)**2.  Open project**
101 +=== Wiring Schematic ===
124 124  
103 +[[image:image-20220602101311-3.png]]
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]]
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
127 127  
128 -[[image:image-20220726135239-1.png]]
107 +GND  >>>>>>>>>>>>GND
129 129  
109 +TXD  >>>>>>>>>>>>TXD
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**
111 +RXD  >>>>>>>>>>>>RXD
132 132  
133 -[[image:image-20220726135356-2.png]]
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
134 134  
115 +Connect to the PC after connecting the wires
135 135  
136 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
117 +[[image:image-20220602102240-4.png]]
137 137  
119 +=== Upgrade steps ===
138 138  
139 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
121 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
140 140  
123 +[[image:image-20220602102824-5.png]]
141 141  
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
142 142  
143 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
127 +[[image:image-20220602104701-12.png]]
144 144  
129 +==== Open the upgrade application software ====
145 145  
146 -(% style="color:blue" %)**1.  Open project**
131 +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/]]
147 147  
133 +[[image:image-20220602103227-6.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]]
135 +[[image:image-20220602103357-7.png]]
150 150  
137 +===== Select the COM port corresponding to USB TTL =====
151 151  
152 -[[image:image-20220723172502-8.png]]
139 +[[image:image-20220602103844-8.png]]
153 153  
141 +===== Select the bin file to burn =====
154 154  
143 +[[image:image-20220602104144-9.png]]
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**
145 +[[image:image-20220602104251-10.png]]
157 157  
147 +[[image:image-20220602104402-11.png]]
158 158  
159 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
149 +===== Click to start the download =====
160 160  
151 +[[image:image-20220602104923-13.png]]
161 161  
153 +===== The following figure appears to prove that the burning is in progress =====
162 162  
163 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
155 +[[image:image-20220602104948-14.png]]
164 164  
157 +===== The following picture appears to prove that the burning is successful =====
165 165  
166 -(% style="color:blue" %)**1.  Open project**
159 +[[image:image-20220602105251-15.png]]
167 167  
161 += LA66 USB LoRaWAN Adapter =
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]]
163 +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.
170 170  
165 +Before use, please make sure that the computer has installed the CP2102 driver
171 171  
172 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
167 +== Pin Mapping & LED ==
173 173  
169 +== Example Send & Get Messages via LoRaWAN in PC ==
174 174  
171 +== Example Send & Get Messages via LoRaWAN in RPi ==
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**
173 +Connect the LA66 LoRa Shield to the RPI
177 177  
175 +[[image:image-20220602153333-4.png]]
178 178  
179 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
177 +Log in to the RPI's terminal and connect to the serial port
180 180  
179 +[[image:image-20220602153146-3.png]]
181 181  
181 +Press the reset switch RST on the LA66 LoRa Shield.
182 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
182 182  
183 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
184 +[[image:image-20220602154928-5.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/]]
186 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
186 186  
187 -[[image:image-20220723175700-12.png||height="602" width="995"]]
188 +example: AT+SENDB=01,02,8,05820802581ea0a5
188 188  
190 +[[image:image-20220602160339-6.png]]
189 189  
192 +Check to see if TTN received the message
190 190  
191 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
194 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
192 192  
196 +=== Install Minicom ===
193 193  
194 -=== 1.8.1  Items needed for update ===
198 +Enter the following command in the RPI terminal
195 195  
200 +apt update
196 196  
197 -1. LA66 LoRaWAN Shield
198 -1. Arduino
199 -1. USB TO TTL Adapter
202 +[[image:image-20220602143155-1.png]]
200 200  
201 -[[image:image-20220602100052-2.png||height="385" width="600"]]
204 +apt install minicom
202 202  
206 +[[image:image-20220602143744-2.png]]
203 203  
208 +=== Use AT Command to send an uplink message. ===
204 204  
205 -=== 1.8.2  Connection ===
210 +=== Send PC's CPU/RAM usage to TTN via script. ===
206 206  
212 +==== Take python as an example： ====
207 207  
208 -[[image:image-20220602101311-3.png||height="276" width="600"]]
214 +===== Preconditions: =====
209 209  
216 +1.LA66 LoRa Shield works fine
210 210  
211 -(((
212 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
213 -)))
218 +2.LA66 LoRa Shield is registered with TTN
214 214  
215 -(((
216 -(% style="background-color:yellow" %)**GND  <-> GND
217 -TXD  <->  TXD
218 -RXD  <->  RXD**
219 -)))
220 +===== Steps for usage =====
220 220  
222 +1.After connecting the line, connect it to the PC, turn SW1 to FLASH, and press the RST switch. As shown in the figure below
221 221  
222 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
224 +[[image:image-20220602114148-1.png]]
223 223  
224 -Connect USB TTL Adapter to PC after connecting the wires
226 +2.Run the script and see the TTN
225 225  
228 +[[image:image-20220602115852-3.png]]
226 226  
227 -[[image:image-20220602102240-4.png||height="304" width="600"]]
228 228  
229 229  
232 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
230 230  
231 -=== 2.8.3  Upgrade steps ===
232 232  
233 -
234 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
235 -
236 -
237 -[[image:image-20220602102824-5.png||height="306" width="600"]]
238 -
239 -
240 -
241 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
242 -
243 -
244 -[[image:image-20220602104701-12.png||height="285" width="600"]]
245 -
246 -
247 -
248 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
249 -
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 -
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]]
235 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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