Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 64.1 >
edited by Edwin Chen
on 2022/07/02 21:03
To version < 128.1 >
edited by Herong Lu
on 2022/07/23 17:29
>
Change comment: Uploaded new attachment "image-20220723172938-9.png", version {1}

Summary

Details

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1 -XWiki.Edwin
1 +XWiki.Lu
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1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
1 +0
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 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 += 1.  LA66 LoRaWAN Module =
10 10  
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.
12 12  
12 +== 1.1  What is LA66 LoRaWAN Module ==
13 13  
14 -LA66 is equipped with **TCXO crystal** which ensures the module can achieve the stable performance in extreme temperatures.
15 15  
15 +(((
16 +(((
17 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 +)))
16 16  
17 -**Each LA66 **module includes a world-unique OTAA key for LoRaWAN registration.
20 +(((
21 +
22 +)))
18 18  
24 +(((
25 +(% 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.
26 +)))
27 +)))
19 19  
29 +(((
30 +(((
31 +(% 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.
32 +)))
33 +)))
20 20  
21 -== Specification ==
35 +(((
36 +(((
37 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 +)))
22 22  
23 -[[image:image-20220517072526-1.png]]
40 +(((
41 +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.
42 +)))
43 +)))
24 24  
25 -Input Power Range: 1.8v ~~ 3.7v
45 +(((
46 +(((
47 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
48 +)))
49 +)))
26 26  
27 -Power Consumption: < 4uA.
28 28  
29 -Frequency Range: 150 MHz ~~ 960 MHz
30 30  
31 -Maximum Power +22 dBm constant RF output
53 +== 1.2  Features ==
32 32  
33 -High sensitivity: -148 dBm
55 +* Support LoRaWAN v1.0.4 protocol
56 +* Support peer-to-peer protocol
57 +* TCXO crystal to ensure RF performance on low temperature
58 +* SMD Antenna pad and i-pex antenna connector
59 +* Available in different frequency LoRaWAN frequency bands.
60 +* World-wide unique OTAA keys.
61 +* AT Command via UART-TTL interface
62 +* Firmware upgradable via UART interface
63 +* Ultra-long RF range
34 34  
35 -Temperature:
65 +== 1.3  Specification ==
36 36  
37 -* Storage: -55 ~~ +125℃
38 -* Operating: -40 ~~ +85℃
67 +* CPU: 32-bit 48 MHz
68 +* Flash: 256KB
69 +* RAM: 64KB
70 +* Input Power Range: 1.8v ~~ 3.7v
71 +* Power Consumption: < 4uA.
72 +* Frequency Range: 150 MHz ~~ 960 MHz
73 +* Maximum Power +22 dBm constant RF output
74 +* High sensitivity: -148 dBm
75 +* Temperature:
76 +** Storage: -55 ~~ +125℃
77 +** Operating: -40 ~~ +85℃
78 +* Humidity:
79 +** Storage: 5 ~~ 95% (Non-Condensing)
80 +** Operating: 10 ~~ 95% (Non-Condensing)
81 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
82 +* LoRa Rx current: <9 mA
83 +* I/O Voltage: 3.3v
39 39  
40 -Humidity:
85 +== 1.4  AT Command ==
41 41  
42 -* Storage: 5 ~~ 95% (Non-Condensing)
43 -* Operating: 10 ~~ 95% (Non-Condensing)
44 44  
45 -LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
88 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
46 46  
47 -LoRa Rx current: <9 mA
48 48  
49 -I/O Voltage: 3.3v
50 50  
92 +== 1.5  Dimension ==
51 51  
52 -== AT Command ==
94 +[[image:image-20220718094750-3.png]]
53 53  
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.
55 55  
56 56  
57 -== Pin Mapping ==
98 +== 1.6  Pin Mapping ==
58 58  
59 -[[image:image-20220523101537-1.png]]
100 +[[image:image-20220720111850-1.png]]
60 60  
61 -== Land Pattern ==
62 62  
103 +
104 +== 1.7  Land Pattern ==
105 +
63 63  [[image:image-20220517072821-2.png]]
64 64  
65 65  
66 -== Part Number ==
67 67  
68 -Part Number: **LA66-XXX**
110 += 2.  LA66 LoRaWAN Shield =
69 69  
70 -**XX**: The default frequency band
71 71  
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
113 +== 2.1  Overview ==
80 80  
81 -= LA66 LoRaWAN Shield =
82 82  
83 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
116 +(((
117 +[[image:image-20220715000826-2.png||height="145" width="220"]]
118 +)))
84 84  
85 -== Pin Mapping & LED ==
120 +(((
121 +
122 +)))
86 86  
87 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
124 +(((
125 +(% 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.
126 +)))
88 88  
89 -== Example: Join TTN network and send an uplink message, get downlink message. ==
128 +(((
129 +(((
130 +(% 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.
131 +)))
132 +)))
90 90  
91 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
134 +(((
135 +(((
136 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
137 +)))
138 +)))
92 92  
93 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
140 +(((
141 +(((
142 +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.
143 +)))
144 +)))
94 94  
95 -=== what needs to be used ===
146 +(((
147 +(((
148 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
149 +)))
150 +)))
96 96  
97 -1.LA66 LoRaWAN Shield that needs to be upgraded
98 98  
99 -2.Arduino
100 100  
101 -3.USB TO TTL
154 +== 2.2  Features ==
102 102  
103 -[[image:image-20220602100052-2.png]]
156 +* Arduino Shield base on LA66 LoRaWAN module
157 +* Support LoRaWAN v1.0.4 protocol
158 +* Support peer-to-peer protocol
159 +* TCXO crystal to ensure RF performance on low temperature
160 +* SMA connector
161 +* Available in different frequency LoRaWAN frequency bands.
162 +* World-wide unique OTAA keys.
163 +* AT Command via UART-TTL interface
164 +* Firmware upgradable via UART interface
165 +* Ultra-long RF range
104 104  
105 -=== Wiring Schematic ===
167 +== 2.3  Specification ==
106 106  
107 -[[image:image-20220602101311-3.png]]
169 +* CPU: 32-bit 48 MHz
170 +* Flash: 256KB
171 +* RAM: 64KB
172 +* Input Power Range: 1.8v ~~ 3.7v
173 +* Power Consumption: < 4uA.
174 +* Frequency Range: 150 MHz ~~ 960 MHz
175 +* Maximum Power +22 dBm constant RF output
176 +* High sensitivity: -148 dBm
177 +* Temperature:
178 +** Storage: -55 ~~ +125℃
179 +** Operating: -40 ~~ +85℃
180 +* Humidity:
181 +** Storage: 5 ~~ 95% (Non-Condensing)
182 +** Operating: 10 ~~ 95% (Non-Condensing)
183 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
184 +* LoRa Rx current: <9 mA
185 +* I/O Voltage: 3.3v
108 108  
109 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
187 +== 2.4  LED ==
110 110  
111 -GND  >>>>>>>>>>>>GND
189 +~1. The LED lights up red when there is an upstream data packet
190 +2. When the network is successfully connected, the green light will be on for 5 seconds
191 +3. Purple light on when receiving downlink data packets
112 112  
113 -TXD  >>>>>>>>>>>>TXD
114 114  
115 -RXD  >>>>>>>>>>>>RXD
194 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
116 116  
117 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
196 +Show connection diagram：
118 118  
119 -Connect to the PC after connecting the wires
198 +[[image:image-20220723170210-2.png||height="908" width="681"]]
120 120  
121 -[[image:image-20220602102240-4.png]]
200 +1.open Arduino IDE
122 122  
123 -=== Upgrade steps ===
202 +[[image:image-20220723170545-4.png]]
124 124  
125 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
204 +2.Open project
126 126  
127 -[[image:image-20220602102824-5.png]]
206 +[[image:image-20220723170750-5.png]]
128 128  
129 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
208 +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
130 130  
131 -[[image:image-20220602104701-12.png]]
210 +[[image:image-20220723171228-6.png]]
132 132  
133 -==== Open the upgrade application software ====
212 +4.After the upload is successful, open the serial port monitoring and send the AT command
134 134  
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/]]
136 136  
215 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
216 +
217 +
218 +
219 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
220 +
221 +
222 +
223 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
224 +
225 +
226 +=== 2.8.1  Items needed for update ===
227 +
228 +1. LA66 LoRaWAN Shield
229 +1. Arduino
230 +1. USB TO TTL Adapter
231 +
232 +[[image:image-20220602100052-2.png||height="385" width="600"]]
233 +
234 +
235 +=== 2.8.2  Connection ===
236 +
237 +
238 +[[image:image-20220602101311-3.png||height="276" width="600"]]
239 +
240 +
241 +(((
242 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
243 +)))
244 +
245 +(((
246 +(% style="background-color:yellow" %)**GND  <-> GND
247 +TXD  <->  TXD
248 +RXD  <->  RXD**
249 +)))
250 +
251 +
252 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
253 +
254 +Connect USB TTL Adapter to PC after connecting the wires
255 +
256 +
257 +[[image:image-20220602102240-4.png||height="304" width="600"]]
258 +
259 +
260 +=== 2.8.3  Upgrade steps ===
261 +
262 +
263 +==== 1.  Switch SW1 to put in ISP position ====
264 +
265 +
266 +[[image:image-20220602102824-5.png||height="306" width="600"]]
267 +
268 +
269 +
270 +==== 2.  Press the RST switch once ====
271 +
272 +
273 +[[image:image-20220602104701-12.png||height="285" width="600"]]
274 +
275 +
276 +
277 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
278 +
279 +
280 +(((
281 +(% 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/]]**
282 +)))
283 +
284 +
137 137  [[image:image-20220602103227-6.png]]
138 138  
287 +
139 139  [[image:image-20220602103357-7.png]]
140 140  
141 -===== Select the COM port corresponding to USB TTL =====
142 142  
291 +
292 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
293 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
294 +
295 +
143 143  [[image:image-20220602103844-8.png]]
144 144  
145 -===== Select the bin file to burn =====
146 146  
299 +
300 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
301 +(% style="color:blue" %)**3. Select the bin file to burn**
302 +
303 +
147 147  [[image:image-20220602104144-9.png]]
148 148  
306 +
149 149  [[image:image-20220602104251-10.png]]
150 150  
309 +
151 151  [[image:image-20220602104402-11.png]]
152 152  
153 -===== Click to start the download =====
154 154  
313 +
314 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
315 +(% style="color:blue" %)**4. Click to start the download**
316 +
155 155  [[image:image-20220602104923-13.png]]
156 156  
157 -===== The following figure appears to prove that the burning is in progress =====
158 158  
320 +
321 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
322 +(% style="color:blue" %)**5. Check update process**
323 +
324 +
159 159  [[image:image-20220602104948-14.png]]
160 160  
161 -===== The following picture appears to prove that the burning is successful =====
162 162  
328 +
329 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
330 +(% style="color:blue" %)**The following picture shows that the burning is successful**
331 +
163 163  [[image:image-20220602105251-15.png]]
164 164  
165 -= LA66 USB LoRaWAN Adapter =
166 166  
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.
168 168  
169 -Before use, please make sure that the computer has installed the CP2102 driver
336 += 3.  LA66 USB LoRaWAN Adapter =
170 170  
171 -== Pin Mapping & LED ==
172 172  
173 -== Example Send & Get Messages via LoRaWAN in PC ==
339 +== 3.1  Overview ==
174 174  
175 -Connect the LA66 LoRa Shield to the PC
176 176  
177 -[[image:image-20220602171217-1.png||height="615" width="915"]]
342 +[[image:image-20220715001142-3.png||height="145" width="220"]]
178 178  
344 +
345 +(((
346 +(% 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.
347 +)))
348 +
349 +(((
350 +(% 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.
351 +)))
352 +
353 +(((
354 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
355 +)))
356 +
357 +(((
358 +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.
359 +)))
360 +
361 +(((
362 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
363 +)))
364 +
365 +
366 +
367 +== 3.2  Features ==
368 +
369 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
370 +* Ultra-long RF range
371 +* Support LoRaWAN v1.0.4 protocol
372 +* Support peer-to-peer protocol
373 +* TCXO crystal to ensure RF performance on low temperature
374 +* Spring RF antenna
375 +* Available in different frequency LoRaWAN frequency bands.
376 +* World-wide unique OTAA keys.
377 +* AT Command via UART-TTL interface
378 +* Firmware upgradable via UART interface
379 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
380 +
381 +== 3.3  Specification ==
382 +
383 +* CPU: 32-bit 48 MHz
384 +* Flash: 256KB
385 +* RAM: 64KB
386 +* Input Power Range: 5v
387 +* Frequency Range: 150 MHz ~~ 960 MHz
388 +* Maximum Power +22 dBm constant RF output
389 +* High sensitivity: -148 dBm
390 +* Temperature:
391 +** Storage: -55 ~~ +125℃
392 +** Operating: -40 ~~ +85℃
393 +* Humidity:
394 +** Storage: 5 ~~ 95% (Non-Condensing)
395 +** Operating: 10 ~~ 95% (Non-Condensing)
396 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
397 +* LoRa Rx current: <9 mA
398 +
399 +== 3.4  Pin Mapping & LED ==
400 +
401 +
402 +
403 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
404 +
405 +
406 +(((
407 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
408 +)))
409 +
410 +
411 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
412 +
413 +
414 +[[image:image-20220723100027-1.png]]
415 +
416 +
179 179  Open the serial port tool
180 180  
181 181  [[image:image-20220602161617-8.png]]
182 182  
183 -[[image:image-20220602161718-9.png||height="529" width="927"]]
421 +[[image:image-20220602161718-9.png||height="457" width="800"]]
184 184  
185 -Press the reset switch RST on the LA66 LoRa Shield.
186 186  
187 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
188 188  
189 -[[image:image-20220602161935-10.png]]
425 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
190 190  
191 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
427 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
192 192  
429 +
430 +[[image:image-20220602161935-10.png||height="498" width="800"]]
431 +
432 +
433 +
434 +(% style="color:blue" %)**3. See Uplink Command**
435 +
436 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
437 +
193 193  example: AT+SENDB=01,02,8,05820802581ea0a5
194 194  
195 -[[image:image-20220602162157-11.png]]
440 +[[image:image-20220602162157-11.png||height="497" width="800"]]
196 196  
197 -Check to see if TTN received the message
198 198  
199 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
200 200  
201 -== Example Send & Get Messages via LoRaWAN in RPi ==
444 +(% style="color:blue" %)**4. Check to see if TTN received the message**
202 202  
203 -Connect the LA66 LoRa Shield to the RPI
446 +[[image:image-20220602162331-12.png||height="420" width="800"]]
204 204  
205 -[[image:image-20220602171233-2.png||height="592" width="881"]]
206 206  
207 -Log in to the RPI's terminal and connect to the serial port
208 208  
209 -[[image:image-20220602153146-3.png]]
450 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
210 210  
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
213 213  
214 -[[image:image-20220602154928-5.png]]
453 +**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]]
215 215  
216 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
455 +(**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]])
217 217  
457 +(% style="color:red" %)**Preconditions:**
458 +
459 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
460 +
461 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
462 +
463 +
464 +
465 +(% style="color:blue" %)**Steps for usage:**
466 +
467 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
468 +
469 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
470 +
471 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
472 +
473 +
474 +
475 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
476 +
477 +
478 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
479 +
480 +
481 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
482 +
483 +[[image:image-20220723100439-2.png]]
484 +
485 +
486 +
487 +(% style="color:blue" %)**2. Install Minicom in RPi.**
488 +
489 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
490 +
491 + (% style="background-color:yellow" %)**apt update**
492 +
493 + (% style="background-color:yellow" %)**apt install minicom**
494 +
495 +
496 +Use minicom to connect to the RPI's terminal
497 +
498 +[[image:image-20220602153146-3.png||height="439" width="500"]]
499 +
500 +
501 +
502 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
503 +
504 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
505 +
506 +
507 +[[image:image-20220602154928-5.png||height="436" width="500"]]
508 +
509 +
510 +
511 +(% style="color:blue" %)**4. Send Uplink message**
512 +
513 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
514 +
218 218  example: AT+SENDB=01,02,8,05820802581ea0a5
219 219  
220 -[[image:image-20220602160339-6.png]]
221 221  
518 +[[image:image-20220602160339-6.png||height="517" width="600"]]
519 +
520 +
521 +
222 222  Check to see if TTN received the message
223 223  
224 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
524 +[[image:image-20220602160627-7.png||height="369" width="800"]]
225 225  
226 -=== Install Minicom ===
227 227  
228 -Enter the following command in the RPI terminal
229 229  
230 -apt update
528 +== 3.8  Example: Use of LA66 USB LoRaWAN Module and DRAGINO-LA66-APP. ==
231 231  
232 -[[image:image-20220602143155-1.png]]
530 +=== 3.8.1 DRAGINO-LA66-APP ===
233 233  
234 -apt install minicom
532 +[[image:image-20220723102027-3.png]]
235 235  
236 -[[image:image-20220602143744-2.png]]
534 +==== Overview： ====
237 237  
238 -=== Send PC's CPU/RAM usage to TTN via script. ===
536 +DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Module. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Module.
239 239  
240 -==== Take python as an example： ====
538 +View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
241 241  
242 -===== Preconditions: =====
540 +==== Conditions of Use： ====
243 243  
244 -1.LA66 USB LoRaWAN Adapter works fine
542 +Requires a type-c to USB adapter
245 245  
246 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
544 +[[image:image-20220723104754-4.png]]
247 247  
248 -===== Steps for usage =====
546 +==== Use of APP: ====
249 249  
250 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
548 +Function and page introduction
251 251  
252 -2.Run the script and see the TTN
550 +[[image:image-20220723113448-7.png||height="1481" width="670"]]
253 253  
254 -[[image:image-20220602115852-3.png]]
552 +1.Display LA66 USB LoRaWAN Module connection status
255 255  
554 +2.Check and reconnect
256 256  
556 +3.Turn send timestamps on or off
257 257  
258 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
558 +4.Display LoRaWan connection status
259 259  
560 +5.Check LoRaWan connection status
260 260  
261 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
562 +6.The RSSI value of the node when the ACK is received
262 262  
263 -
564 +7.Node's Signal Strength Icon
565 +
566 +8.Set the packet sending interval of the node in seconds
567 +
568 +9.AT command input box
569 +
570 +10.Send AT command button
571 +
572 +11.Node log box
573 +
574 +12.clear log button
575 +
576 +13.exit button
577 +
578 +LA66 USB LoRaWAN Module not connected
579 +
580 +[[image:image-20220723110520-5.png||height="903" width="677"]]
581 +
582 +Connect LA66 USB LoRaWAN Module
583 +
584 +[[image:image-20220723110626-6.png||height="906" width="680"]]
585 +
586 +=== 3.8.2 Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Module and integrate it into Node-RED ===
587 +
588 +1.Register LA66 USB LoRaWAN Module to TTNV3
589 +
590 +[[image:image-20220723134549-8.png]]
591 +
592 +2.Open Node-RED,And import the JSON file to generate the flow
593 +
594 +Sample JSON file please go to this link to download：放置JSON文件的链接
595 +
596 +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/]]
597 +
598 +The following is the positioning effect map
599 +
600 +[[image:image-20220723144339-1.png]]
601 +
602 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
603 +
604 +The LA66 USB LoRaWAN Module is the same as the LA66 LoRaWAN Shield update method
605 +
606 +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)
607 +
608 +[[image:image-20220723150132-2.png]]
609 +
610 +
611 += 4.  Order Info =
612 +
613 +
614 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
615 +
616 +
617 +(% style="color:blue" %)**XXX**(%%): The default frequency band
618 +
619 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
620 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
621 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
622 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
623 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
624 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
625 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
626 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
627 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
628 +
629 += 5.  Reference =
630 +
631 +* 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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