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Last modified by Xiaoling on 2023/05/26 14:19
From version 51.1
edited by Herong Lu
on 2022/06/02 16:06
Change comment: Uploaded new attachment "image-20220602160627-7.png", version {1}
To version 146.5
edited by Xiaoling
on 2022/08/16 14:17
Change comment: There is no comment for this version

Summary

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Title
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1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Shield User Manual
Author
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1 -XWiki.Lu
1 +XWiki.Xiaoling
Content
... ... @@ -1,214 +1,650 @@
1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
1 +
2 +
3 +**Table of Contents:**
4 +
2 2  {{toc/}}
3 -{{/box}}
4 4  
5 -= LA66 LoRaWAN Module =
6 6  
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.
10 10  
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.
10 += 1.  LA66 LoRaWAN Shield =
12 12  
13 -**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
14 14  
13 +== 1.1  Overview ==
15 15  
16 16  
17 -== Specification ==
16 +(((
17 +[[image:image-20220715000826-2.png||height="145" width="220"]]
18 +)))
18 18  
19 -[[image:image-20220517072526-1.png]]
20 +(((
21 +
22 +)))
20 20  
21 -Input Power Range: 1.8v ~~ 3.7v
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 +)))
22 22  
23 -Power Consumption: < 4uA.
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 +)))
24 24  
25 -Frequency Range: 150 MHz ~~ 960 MHz
34 +(((
35 +(((
36 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 +)))
38 +)))
26 26  
27 -Maximum Power +22 dBm constant RF output
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 +)))
28 28  
29 -High sensitivity: -148 dBm
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 +)))
30 30  
31 -Temperature:
32 32  
33 -* Storage: -55 ~~ +125℃
34 -* Operating: -40 ~~ +85℃
35 35  
36 -Humidity:
54 +== 1.2  Features ==
37 37  
38 -* Storage: 5 ~~ 95% (Non-Condensing)
39 -* Operating: 10 ~~ 95% (Non-Condensing)
40 40  
41 -LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
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
42 42  
43 -LoRa Rx current: <9 mA
44 44  
45 -I/O Voltage: 3.3v
46 46  
47 47  
48 -== AT Command ==
71 +== 1.3  Specification ==
49 49  
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.
51 51  
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
52 52  
53 -== Pin Mapping ==
54 54  
55 -[[image:image-20220523101537-1.png]]
56 56  
57 -== Land Pattern ==
58 58  
59 -[[image:image-20220517072821-2.png]]
95 +== 2.4  Pin Mapping & LED ==
60 60  
61 61  
62 -== Part Number ==
98 +[[image:image-20220814101457-1.png||height="553" width="761"]]
63 63  
64 -Part Number: **LA66-XXX**
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
65 65  
66 -**XX**: The default frequency band
67 67  
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
76 76  
77 -= LA66 LoRaWAN Shield =
106 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
78 78  
79 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
80 80  
81 -== Pin Mapping & LED ==
109 +**Show connection diagram：**
82 82  
83 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
84 84  
85 -== Example: Join TTN network and send an uplink message, get downlink message. ==
112 +[[image:image-20220723170210-2.png||height="908" width="681"]]
86 86  
87 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
88 88  
89 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
90 90  
91 -=== what needs to be used ===
116 +(% style="color:blue" %)**1.  open Arduino IDE**
92 92  
93 -1.LA66 LoRaWAN Shield that needs to be upgraded
94 94  
95 -2.Arduino
119 +[[image:image-20220723170545-4.png]]
96 96  
97 -3.USB TO TTL
98 98  
99 -[[image:image-20220602100052-2.png]]
100 100  
101 -=== Wiring Schematic ===
123 +(% style="color:blue" %)**2.  Open project**
102 102  
103 -[[image:image-20220602101311-3.png]]
104 104  
105 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
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]]
106 106  
107 -GND  >>>>>>>>>>>>GND
128 +[[image:image-20220726135239-1.png]]
108 108  
109 -TXD  >>>>>>>>>>>>TXD
110 110  
111 -RXD  >>>>>>>>>>>>RXD
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**
112 112  
113 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
133 +[[image:image-20220726135356-2.png]]
114 114  
115 -Connect to the PC after connecting the wires
116 116  
117 -[[image:image-20220602102240-4.png]]
136 +(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
118 118  
119 -=== Upgrade steps ===
120 120  
121 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
139 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
122 122  
123 -[[image:image-20220602102824-5.png]]
124 124  
125 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
126 126  
127 -[[image:image-20220602104701-12.png]]
143 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
128 128  
129 -==== Open the upgrade application software ====
130 130  
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/]]
146 +(% style="color:blue" %)**1.  Open project**
132 132  
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]]
150 +
151 +
152 +[[image:image-20220723172502-8.png]]
153 +
154 +
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**
157 +
158 +
159 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
160 +
161 +
162 +
163 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
164 +
165 +
166 +(% style="color:blue" %)**1.  Open project**
167 +
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]]
170 +
171 +
172 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
173 +
174 +
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**
177 +
178 +
179 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
180 +
181 +
182 +
183 +(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
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 +
187 +[[image:image-20220723175700-12.png||height="602" width="995"]]
188 +
189 +
190 +
191 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
192 +
193 +
194 +=== 2.8.1  Items needed for update ===
195 +
196 +
197 +1. LA66 LoRaWAN Shield
198 +1. Arduino
199 +1. USB TO TTL Adapter
200 +
201 +[[image:image-20220602100052-2.png||height="385" width="600"]]
202 +
203 +
204 +
205 +=== 2.8.2  Connection ===
206 +
207 +
208 +[[image:image-20220602101311-3.png||height="276" width="600"]]
209 +
210 +
211 +(((
212 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
213 +)))
214 +
215 +(((
216 +(% style="background-color:yellow" %)**GND  <-> GND
217 +TXD  <->  TXD
218 +RXD  <->  RXD**
219 +)))
220 +
221 +
222 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
223 +
224 +Connect USB TTL Adapter to PC after connecting the wires
225 +
226 +
227 +[[image:image-20220602102240-4.png||height="304" width="600"]]
228 +
229 +
230 +
231 +=== 2.8.3  Upgrade steps ===
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 +
133 133  [[image:image-20220602103227-6.png]]
134 134  
258 +
135 135  [[image:image-20220602103357-7.png]]
136 136  
137 -===== Select the COM port corresponding to USB TTL =====
138 138  
262 +
263 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
264 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
265 +
266 +
139 139  [[image:image-20220602103844-8.png]]
140 140  
141 -===== Select the bin file to burn =====
142 142  
270 +
271 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
272 +(% style="color:blue" %)**3. Select the bin file to burn**
273 +
274 +
143 143  [[image:image-20220602104144-9.png]]
144 144  
277 +
145 145  [[image:image-20220602104251-10.png]]
146 146  
280 +
147 147  [[image:image-20220602104402-11.png]]
148 148  
149 -===== Click to start the download =====
150 150  
284 +
285 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
286 +(% style="color:blue" %)**4. Click to start the download**
287 +
151 151  [[image:image-20220602104923-13.png]]
152 152  
153 -===== The following figure appears to prove that the burning is in progress =====
154 154  
291 +
292 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
293 +(% style="color:blue" %)**5. Check update process**
294 +
295 +
155 155  [[image:image-20220602104948-14.png]]
156 156  
157 -===== The following picture appears to prove that the burning is successful =====
158 158  
299 +
300 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
301 +(% style="color:blue" %)**The following picture shows that the burning is successful**
302 +
159 159  [[image:image-20220602105251-15.png]]
160 160  
161 -= LA66 USB LoRaWAN Adapter =
162 162  
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.
164 164  
165 -== Pin Mapping & LED ==
307 += 3.  LA66 USB LoRaWAN Adapter =
166 166  
167 -== Example Send & Get Messages via LoRaWAN in PC ==
168 168  
169 -== Example Send & Get Messages via LoRaWAN in RPi ==
310 +== 3.1  Overview ==
170 170  
171 -=== Install USB Driver ===
172 172  
173 -Download Link:[[click here>>attach:CP210x_Universal_Windows_Driver.zip]]
313 +[[image:image-20220715001142-3.png||height="145" width="220"]]
174 174  
175 -=== Install Minicom ===
176 176  
177 -Enter the following command in the RPI terminal
316 +(((
317 +(% style="color:blue" %)**LA66 USB LoRaWAN Adapter**(%%) is designed to fast turn USB devices to support LoRaWAN wireless features. It combines a CP2101 USB TTL Chip and LA66 LoRaWAN module which can easy to add LoRaWAN wireless feature to PC / Mobile phone or an embedded device that has USB Interface.
318 +)))
178 178  
179 -apt update
320 +(((
321 +(% 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.
322 +)))
180 180  
181 -[[image:image-20220602143155-1.png]]
324 +(((
325 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
326 +)))
182 182  
183 -apt install minicom
328 +(((
329 +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.
330 +)))
184 184  
185 -[[image:image-20220602143744-2.png]]
332 +(((
333 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
334 +)))
186 186  
187 -=== Use AT Command to send an uplink message. ===
188 188  
189 -=== Send PC's CPU/RAM usage to TTN via script. ===
190 190  
191 -==== Take python as an example： ====
338 +== 3.2  Features ==
192 192  
193 -===== Preconditions: =====
194 194  
195 -1.LA66 LoRa Shield works fine
341 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
342 +* Ultra-long RF range
343 +* Support LoRaWAN v1.0.4 protocol
344 +* Support peer-to-peer protocol
345 +* TCXO crystal to ensure RF performance on low temperature
346 +* Spring RF antenna
347 +* Available in different frequency LoRaWAN frequency bands.
348 +* World-wide unique OTAA keys.
349 +* AT Command via UART-TTL interface
350 +* Firmware upgradable via UART interface
351 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
196 196  
197 -2.LA66 LoRa Shield is registered with TTN
353 +== 3.3  Specification ==
198 198  
199 -===== Steps for usage =====
200 200  
201 -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
356 +* CPU: 32-bit 48 MHz
357 +* Flash: 256KB
358 +* RAM: 64KB
359 +* Input Power Range: 5v
360 +* Frequency Range: 150 MHz ~~ 960 MHz
361 +* Maximum Power +22 dBm constant RF output
362 +* High sensitivity: -148 dBm
363 +* Temperature:
364 +** Storage: -55 ~~ +125℃
365 +** Operating: -40 ~~ +85℃
366 +* Humidity:
367 +** Storage: 5 ~~ 95% (Non-Condensing)
368 +** Operating: 10 ~~ 95% (Non-Condensing)
369 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
370 +* LoRa Rx current: <9 mA
202 202  
203 -[[image:image-20220602114148-1.png]]
372 +== 3.4  Pin Mapping & LED ==
204 204  
205 -2.Run the script and see the TTN
374 +[[image:image-20220813183239-3.png||height="526" width="662"]]
206 206  
207 -[[image:image-20220602115852-3.png]]
208 208  
377 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
209 209  
210 210  
211 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
380 +(((
381 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
382 +)))
212 212  
213 213  
214 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
385 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
386 +
387 +
388 +[[image:image-20220723100027-1.png]]
389 +
390 +
391 +Open the serial port tool
392 +
393 +[[image:image-20220602161617-8.png]]
394 +
395 +[[image:image-20220602161718-9.png||height="457" width="800"]]
396 +
397 +
398 +
399 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
400 +
401 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
402 +
403 +
404 +[[image:image-20220602161935-10.png||height="498" width="800"]]
405 +
406 +
407 +
408 +(% style="color:blue" %)**3. See Uplink Command**
409 +
410 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
411 +
412 +example: AT+SENDB=01,02,8,05820802581ea0a5
413 +
414 +[[image:image-20220602162157-11.png||height="497" width="800"]]
415 +
416 +
417 +
418 +(% style="color:blue" %)**4. Check to see if TTN received the message**
419 +
420 +[[image:image-20220602162331-12.png||height="420" width="800"]]
421 +
422 +
423 +
424 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
425 +
426 +
427 +**Use python as an example：**[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py]]
428 +
429 +(**Raspberry Pi example: **[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py]])
430 +
431 +(% style="color:red" %)**Preconditions:**
432 +
433 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
434 +
435 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
436 +
437 +
438 +
439 +(% style="color:blue" %)**Steps for usage:**
440 +
441 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
442 +
443 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
444 +
445 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
446 +
447 +
448 +
449 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
450 +
451 +
452 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
453 +
454 +
455 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
456 +
457 +[[image:image-20220723100439-2.png]]
458 +
459 +
460 +
461 +(% style="color:blue" %)**2. Install Minicom in RPi.**
462 +
463 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
464 +
465 + (% style="background-color:yellow" %)**apt update**
466 +
467 + (% style="background-color:yellow" %)**apt install minicom**
468 +
469 +
470 +Use minicom to connect to the RPI's terminal
471 +
472 +[[image:image-20220602153146-3.png||height="439" width="500"]]
473 +
474 +
475 +
476 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
477 +
478 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
479 +
480 +
481 +[[image:image-20220602154928-5.png||height="436" width="500"]]
482 +
483 +
484 +
485 +(% style="color:blue" %)**4. Send Uplink message**
486 +
487 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
488 +
489 +example: AT+SENDB=01,02,8,05820802581ea0a5
490 +
491 +
492 +[[image:image-20220602160339-6.png||height="517" width="600"]]
493 +
494 +
495 +
496 +Check to see if TTN received the message
497 +
498 +[[image:image-20220602160627-7.png||height="369" width="800"]]
499 +
500 +
501 +
502 +== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
503 +
504 +
505 +=== 3.8.1  Hardware and Software Connection ===
506 +
507 +
508 +==== (% style="color:blue" %)**Overview：**(%%) ====
509 +
510 +
511 +(((
512 +DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
513 +
514 +* Send real-time location information of mobile phone to LoRaWAN network.
515 +* Check LoRaWAN network signal strengh.
516 +* Manually send messages to LoRaWAN network.
517 +)))
518 +
519 +
520 +
521 +==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
522 +
523 +A USB to Type-C adapter is needed to connect to a Mobile phone.
524 +
525 +Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
526 +
527 +[[image:image-20220813174353-2.png||height="360" width="313"]]
528 +
529 +
530 +==== (% style="color:blue" %)**Download and Install App:**(%%) ====
531 +
532 +[[(% id="cke_bm_895007S" style="display:none" %)** **(%%)**Download Link for Android apk **>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]].  (Android Version Only)
533 +
534 +[[image:image-20220813173738-1.png]]
535 +
536 +
537 +==== (% style="color:blue" %)**Use of APP:**(%%) ====
538 +
539 +Function and page introduction
540 +
541 +[[image:image-20220723113448-7.png||height="995" width="450"]]
542 +
543 +**Block Explain:**
544 +
545 +1.  Display LA66 USB LoRaWAN Module connection status
546 +
547 +2.  Check and reconnect
548 +
549 +3.  Turn send timestamps on or off
550 +
551 +4.  Display LoRaWan connection status
552 +
553 +5.  Check LoRaWan connection status
554 +
555 +6.  The RSSI value of the node when the ACK is received
556 +
557 +7.  Node's Signal Strength Icon
558 +
559 +8.  Configure Location Uplink Interval
560 +
561 +9.  AT command input box
562 +
563 +10.  Send Button:  Send input box info to LA66 USB Adapter
564 +
565 +11.  Output Log from LA66 USB adapter
566 +
567 +12.  clear log button
568 +
569 +13.  exit button
570 +
571 +
572 +LA66 USB LoRaWAN Module not connected
573 +
574 +[[image:image-20220723110520-5.png||height="677" width="508"]]
575 +
576 +
577 +
578 +Connect LA66 USB LoRaWAN Module
579 +
580 +[[image:image-20220723110626-6.png||height="681" width="511"]]
581 +
582 +
583 +
584 +=== 3.8.2 Send data to TTNv3 and plot location info in Node-Red ===
585 +
586 +
587 +(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
588 +
589 +[[image:image-20220723134549-8.png]]
590 +
591 +
592 +
593 +(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
594 +
595 +Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
596 +
597 +For the usage of Node-RED, please refer to: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]]
598 +
599 +After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
600 +
601 +
602 +Example output in NodeRed is as below:
603 +
604 +[[image:image-20220723144339-1.png]]
605 +
606 +
607 +
608 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
609 +
610 +
611 +The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
612 +
613 +Just use the yellow jumper cap to short the BOOT corner and the RX corner, and then press the RESET button (without the jumper cap, you can directly short the BOOT corner and the RX corner with a wire to achieve the same effect)
614 +
615 +[[image:image-20220723150132-2.png]]
616 +
617 +
618 +
619 += 4.  FAQ =
620 +
621 +
622 +== 4.1  How to Compile Source Code for LA66? ==
623 +
624 +
625 +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]]
626 +
627 +
628 +
629 += 5.  Order Info =
630 +
631 +
632 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
633 +
634 +
635 +(% style="color:blue" %)**XXX**(%%): The default frequency band
636 +
637 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
638 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
639 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
640 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
641 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
642 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
643 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
644 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
645 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
646 +
647 += 6.  Reference =
648 +
649 +
650 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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