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Last modified by Xiaoling on 2023/05/26 14:19
From version 148.2
edited by Xiaoling
on 2022/08/17 08:54
Change comment: There is no comment for this version
To version 59.1
edited by Herong Lu
on 2022/06/02 17:12
Change comment: Uploaded new attachment "image-20220602171217-1.png", version {1}

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Title
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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 v1.0.3 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
41 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
67 67  
68 -== 1.3  Specification ==
43 +LoRa Rx current: <9 mA
69 69  
45 +I/O Voltage: 3.3v
70 70  
71 -* CPU: 32-bit 48 MHz
72 -* Flash: 256KB
73 -* RAM: 64KB
74 -* Input Power Range: 1.8v ~~ 3.7v
75 -* Power Consumption: < 4uA.
76 -* Frequency Range: 150 MHz ~~ 960 MHz
77 -* Maximum Power +22 dBm constant RF output
78 -* High sensitivity: -148 dBm
79 -* Temperature:
80 -** Storage: -55 ~~ +125℃
81 -** Operating: -40 ~~ +85℃
82 -* Humidity:
83 -** Storage: 5 ~~ 95% (Non-Condensing)
84 -** Operating: 10 ~~ 95% (Non-Condensing)
85 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
86 -* LoRa Rx current: <9 mA
87 -* I/O Voltage: 3.3v
88 88  
48 +== AT Command ==
89 89  
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.
90 90  
91 -== 1.4  Pin Mapping & LED ==
92 92  
53 +== Pin Mapping ==
93 93  
94 -[[image:image-20220817085048-1.png]]
55 +[[image:image-20220523101537-1.png]]
95 95  
57 +== Land Pattern ==
96 96  
97 -~1. The LED lights up red when there is an upstream data packet
98 -2. When the network is successfully connected, the green light will be on for 5 seconds
99 -3. Purple light on when receiving downlink data packets
59 +[[image:image-20220517072821-2.png]]
100 100  
101 101  
62 +== Part Number ==
102 102  
103 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
64 +Part Number: **LA66-XXX**
104 104  
66 +**XX**: The default frequency band
105 105  
106 -**Show connection diagram：**
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
107 107  
77 += LA66 LoRaWAN Shield =
108 108  
109 -[[image:image-20220723170210-2.png||height="908" width="681"]]
79 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
110 110  
81 +== Pin Mapping & LED ==
111 111  
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
112 112  
113 -(% style="color:blue" %)**1.  open Arduino IDE**
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
114 114  
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
115 115  
116 -[[image:image-20220723170545-4.png]]
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
117 117  
91 +=== what needs to be used ===
118 118  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
119 119  
120 -(% style="color:blue" %)**2.  Open project**
95 +2.Arduino
121 121  
97 +3.USB TO TTL
122 122  
123 -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]]
99 +[[image:image-20220602100052-2.png]]
124 124  
125 -[[image:image-20220726135239-1.png]]
101 +=== Wiring Schematic ===
126 126  
103 +[[image:image-20220602101311-3.png]]
127 127  
128 -(% 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**
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
129 129  
130 -[[image:image-20220726135356-2.png]]
107 +GND  >>>>>>>>>>>>GND
131 131  
109 +TXD  >>>>>>>>>>>>TXD
132 132  
133 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
111 +RXD  >>>>>>>>>>>>RXD
134 134  
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
135 135  
136 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
115 +Connect to the PC after connecting the wires
137 137  
117 +[[image:image-20220602102240-4.png]]
138 138  
119 +=== Upgrade steps ===
139 139  
140 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
121 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
141 141  
123 +[[image:image-20220602102824-5.png]]
142 142  
143 -(% style="color:blue" %)**1.  Open project**
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
144 144  
127 +[[image:image-20220602104701-12.png]]
145 145  
146 -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]]
129 +==== Open the upgrade application software ====
147 147  
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/]]
148 148  
149 -[[image:image-20220723172502-8.png]]
133 +[[image:image-20220602103227-6.png]]
150 150  
135 +[[image:image-20220602103357-7.png]]
151 151  
137 +===== Select the COM port corresponding to USB TTL =====
152 152  
153 -(% 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**
139 +[[image:image-20220602103844-8.png]]
154 154  
141 +===== Select the bin file to burn =====
155 155  
156 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
143 +[[image:image-20220602104144-9.png]]
157 157  
145 +[[image:image-20220602104251-10.png]]
158 158  
147 +[[image:image-20220602104402-11.png]]
159 159  
160 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
149 +===== Click to start the download =====
161 161  
151 +[[image:image-20220602104923-13.png]]
162 162  
163 -(% style="color:blue" %)**1.  Open project**
153 +===== The following figure appears to prove that the burning is in progress =====
164 164  
155 +[[image:image-20220602104948-14.png]]
165 165  
166 -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]]
157 +===== The following picture appears to prove that the burning is successful =====
167 167  
159 +[[image:image-20220602105251-15.png]]
168 168  
169 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
161 += LA66 USB LoRaWAN Adapter =
170 170  
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.
171 171  
165 +Before use, please make sure that the computer has installed the CP2102 driver
172 172  
173 -(% 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**
167 +== Pin Mapping & LED ==
174 174  
169 +== Example Send & Get Messages via LoRaWAN in PC ==
175 175  
176 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
171 +Connect the LA66 LoRa Shield to the PC
177 177  
173 +[[image:image-20220602153333-4.png]]
178 178  
175 +Open the serial port tool
179 179  
180 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
177 +[[image:image-20220602161617-8.png]]
181 181  
182 -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/]]
179 +[[image:image-20220602161718-9.png||height="529" width="927"]]
183 183  
184 -[[image:image-20220723175700-12.png||height="602" width="995"]]
181 +Press the reset switch RST on the LA66 LoRa Shield.
185 185  
183 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
186 186  
185 +[[image:image-20220602161935-10.png]]
187 187  
188 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
187 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
189 189  
189 +example: AT+SENDB=01,02,8,05820802581ea0a5
190 190  
191 -=== 1.8.1  Items needed for update ===
191 +[[image:image-20220602162157-11.png]]
192 192  
193 +Check to see if TTN received the message
193 193  
194 -1. LA66 LoRaWAN Shield
195 -1. Arduino
196 -1. USB TO TTL Adapter
195 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
197 197  
198 -[[image:image-20220602100052-2.png||height="385" width="600"]]
197 +== Example Send & Get Messages via LoRaWAN in RPi ==
199 199  
199 +Connect the LA66 LoRa Shield to the RPI
200 200  
201 +[[image:image-20220602153333-4.png]]
201 201  
202 -=== 1.8.2  Connection ===
203 +Log in to the RPI's terminal and connect to the serial port
203 203  
205 +[[image:image-20220602153146-3.png]]
204 204  
205 -[[image:image-20220602101311-3.png||height="276" width="600"]]
207 +Press the reset switch RST on the LA66 LoRa Shield.
208 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
206 206  
210 +[[image:image-20220602154928-5.png]]
207 207  
208 -(((
209 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
210 -)))
212 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
211 211  
212 -(((
213 -(% style="background-color:yellow" %)**GND  <-> GND
214 -TXD  <->  TXD
215 -RXD  <->  RXD**
216 -)))
214 +example: AT+SENDB=01,02,8,05820802581ea0a5
217 217  
216 +[[image:image-20220602160339-6.png]]
218 218  
219 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
218 +Check to see if TTN received the message
220 220  
221 -Connect USB TTL Adapter to PC after connecting the wires
220 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
222 222  
222 +=== Install Minicom ===
223 223  
224 -[[image:image-20220602102240-4.png||height="304" width="600"]]
224 +Enter the following command in the RPI terminal
225 225  
226 +apt update
226 226  
228 +[[image:image-20220602143155-1.png]]
227 227  
228 -=== 1.8.3  Upgrade steps ===
230 +apt install minicom
229 229  
232 +[[image:image-20220602143744-2.png]]
230 230  
234 +=== Send PC's CPU/RAM usage to TTN via script. ===
231 231  
232 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
236 +==== Take python as an example： ====
233 233  
238 +===== Preconditions: =====
234 234  
235 -[[image:image-20220602102824-5.png||height="306" width="600"]]
240 +1.LA66 LoRa Shield works fine
236 236  
242 +2.LA66 LoRa Shield is registered with TTN
237 237  
244 +===== Steps for usage =====
238 238  
239 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
246 +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
240 240  
248 +[[image:image-20220602114148-1.png]]
241 241  
242 -[[image:image-20220817085447-1.png]]
250 +2.Run the script and see the TTN
243 243  
252 +[[image:image-20220602115852-3.png]]
244 244  
245 245  
246 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
247 247  
256 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
248 248  
249 -(((
250 -(% 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/]]**
251 -)))
252 252  
253 -
254 -[[image:image-20220602103227-6.png]]
255 -
256 -
257 -[[image:image-20220602103357-7.png]]
258 -
259 -
260 -
261 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
262 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
263 -
264 -
265 -[[image:image-20220602103844-8.png]]
266 -
267 -
268 -
269 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
270 -(% style="color:blue" %)**3. Select the bin file to burn**
271 -
272 -
273 -[[image:image-20220602104144-9.png]]
274 -
275 -
276 -[[image:image-20220602104251-10.png]]
277 -
278 -
279 -[[image:image-20220602104402-11.png]]
280 -
281 -
282 -
283 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
284 -(% style="color:blue" %)**4. Click to start the download**
285 -
286 -[[image:image-20220602104923-13.png]]
287 -
288 -
289 -
290 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
291 -(% style="color:blue" %)**5. Check update process**
292 -
293 -
294 -[[image:image-20220602104948-14.png]]
295 -
296 -
297 -
298 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
299 -(% style="color:blue" %)**The following picture shows that the burning is successful**
300 -
301 -[[image:image-20220602105251-15.png]]
302 -
303 -
304 -
305 -= 2.  FAQ =
306 -
307 -
308 -== 2.1  How to Compile Source Code for LA66? ==
309 -
310 -
311 -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]]
312 -
313 -
314 -
315 -= 3.  Order Info =
316 -
317 -
318 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
319 -
320 -
321 -(% style="color:blue" %)**XXX**(%%): The default frequency band
322 -
323 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
324 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
325 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
326 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
327 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
328 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
329 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
330 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
331 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
332 -
333 -= 4.  Reference =
334 -
335 -
336 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
259 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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