Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 21.1 >
edited by Herong Lu
on 2022/06/02 10:28
To version < 87.4 >
edited by Xiaoling
on 2022/07/13 09:55
>
Change comment: There is no comment for this version

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1 -XWiki.Lu
1 +XWiki.Xiaoling
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1 1  {{box cssClass="floatinginfobox" title="**Contents**"}}
2 2  {{toc/}}
3 3  {{/box}}
4 4  
5 -= LA66 LoRaWAN Module =
7 +{{toc/}}
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.
11 += 1.  LA66 LoRaWAN Module =
12 12  
13 -**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
14 14  
14 +== 1.1  What is LA66 LoRaWAN Module ==
15 15  
16 16  
17 -== Specification ==
17 +(% 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.
18 18  
19 -[[image:image-20220517072526-1.png]]
19 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**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 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.
20 20  
21 -Input Power Range: 1.8v ~~ 3.7v
21 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
22 22  
23 -Power Consumption: < 4uA.
23 +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.
24 24  
25 -Frequency Range: 150 MHz ~~ 960 MHz
25 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
26 26  
27 -Maximum Power +22 dBm constant RF output
28 28  
29 -High sensitivity: -148 dBm
28 +== 1.2  Features ==
30 30  
31 -Temperature:
30 +* Support LoRaWAN v1.0.4 protocol
31 +* Support peer-to-peer protocol
32 +* TCXO crystal to ensure RF performance on low temperature
33 +* SMD Antenna pad and i-pex antenna connector
34 +* Available in different frequency LoRaWAN frequency bands.
35 +* World-wide unique OTAA keys.
36 +* AT Command via UART-TTL interface
37 +* Firmware upgradable via UART interface
38 +* Ultra-long RF range
32 32  
33 -* Storage: -55 ~~ +125℃
34 -* Operating: -40 ~~ +85℃
40 +== 1.3  Specification ==
35 35  
36 -Humidity:
42 +* CPU: 32-bit 48 MHz
43 +* Flash: 256KB
44 +* RAM: 64KB
45 +* Input Power Range: 1.8v ~~ 3.7v
46 +* Power Consumption: < 4uA.
47 +* Frequency Range: 150 MHz ~~ 960 MHz
48 +* Maximum Power +22 dBm constant RF output
49 +* High sensitivity: -148 dBm
50 +* Temperature:
51 +** Storage: -55 ~~ +125℃
52 +** Operating: -40 ~~ +85℃
53 +* Humidity:
54 +** Storage: 5 ~~ 95% (Non-Condensing)
55 +** Operating: 10 ~~ 95% (Non-Condensing)
56 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
57 +* LoRa Rx current: <9 mA
58 +* I/O Voltage: 3.3v
37 37  
38 -* Storage: 5 ~~ 95% (Non-Condensing)
39 -* Operating: 10 ~~ 95% (Non-Condensing)
60 +== 1.4  AT Command ==
40 40  
41 -LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
62 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
42 42  
43 -LoRa Rx current: <9 mA
44 44  
45 -I/O Voltage: 3.3v
65 +== 1.5  Dimension ==
46 46  
67 +[[image:image-20220517072526-1.png]]
47 47  
48 -== AT Command ==
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  
71 +== 1.6  Pin Mapping ==
52 52  
53 -== Pin Mapping ==
54 54  
55 55  [[image:image-20220523101537-1.png]]
56 56  
57 -== Land Pattern ==
58 58  
77 +
78 +== 1.7  Land Pattern ==
79 +
59 59  [[image:image-20220517072821-2.png]]
60 60  
61 61  
62 -== Part Number ==
63 63  
64 -Part Number: **LA66-XXX**
84 += 2.  LA66 LoRaWAN Shield =
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
87 +== 2.1  Overview ==
76 76  
77 -= LA66 LoRaWAN Shield =
89 +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.
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 ==
92 +== 2.2  Features ==
82 82  
83 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
94 +* Arduino Shield base on LA66 LoRaWAN module
95 +* Support LoRaWAN v1.0.4 protocol
96 +* Support peer-to-peer protocol
97 +* TCXO crystal to ensure RF performance on low temperature
98 +* SMA connector
99 +* Available in different frequency LoRaWAN frequency bands.
100 +* World-wide unique OTAA keys.
101 +* AT Command via UART-TTL interface
102 +* Firmware upgradable via UART interface
103 +* Ultra-long RF range
84 84  
85 -== Example: Join TTN network and send an uplink message, get downlink message. ==
105 +== 2.3  Specification ==
86 86  
87 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
107 +* CPU: 32-bit 48 MHz
108 +* Flash: 256KB
109 +* RAM: 64KB
110 +* Input Power Range: 1.8v ~~ 3.7v
111 +* Power Consumption: < 4uA.
112 +* Frequency Range: 150 MHz ~~ 960 MHz
113 +* Maximum Power +22 dBm constant RF output
114 +* High sensitivity: -148 dBm
115 +* Temperature:
116 +** Storage: -55 ~~ +125℃
117 +** Operating: -40 ~~ +85℃
118 +* Humidity:
119 +** Storage: 5 ~~ 95% (Non-Condensing)
120 +** Operating: 10 ~~ 95% (Non-Condensing)
121 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
122 +* LoRa Rx current: <9 mA
123 +* I/O Voltage: 3.3v
88 88  
89 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
125 +== 2.4  Pin Mapping & LED ==
90 90  
91 -=== what needs to be used ===
92 92  
93 -1.LA66 LoRaWAN Shield that needs to be upgraded
94 94  
95 -2.Arduino
129 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
96 96  
97 -3.USB TO TTL
98 98  
99 -[[image:image-20220602100052-2.png]]
100 100  
101 -=== Wiring Schematic ===
133 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
102 102  
103 -[[image:image-20220602101311-3.png]]
104 104  
105 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
106 106  
107 -GND  >>>>>>>>>>>>GND
137 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
108 108  
109 -TXD  >>>>>>>>>>>>TXD
110 110  
111 -RXD  >>>>>>>>>>>>RXD
112 112  
113 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
141 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
114 114  
115 -Connect to the PC after connecting the wires
116 116  
117 -[[image:image-20220602102240-4.png]]
144 +=== 2.8.1  Items needed for update ===
118 118  
119 -=== Upgrade steps ===
146 +1. LA66 LoRaWAN Shield
147 +1. Arduino
148 +1. USB TO TTL Adapter
120 120  
150 +[[image:image-20220602100052-2.png||height="385" width="600"]]
121 121  
122 -= LA66 USB LoRaWAN Adapter =
123 123  
124 -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.
153 +=== 2.8.2  Connection ===
125 125  
126 -== Pin Mapping & LED ==
127 127  
128 -== Example Send & Get Messages via LoRaWAN in PC ==
156 +[[image:image-20220602101311-3.png||height="276" width="600"]]
129 129  
130 -== Example Send & Get Messages via LoRaWAN in RPi ==
131 131  
132 -=== Install USB Driver ===
159 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
133 133  
134 -=== Install Minicom ===
135 135  
136 -=== Use AT Command to send an uplink message. ===
162 +(% style="background-color:yellow" %)**GND  <-> GND
163 +TXD  <->  TXD
164 +RXD  <->  RXD**
137 137  
138 -=== Send CPU/RAM usage to TTN via a script. ===
139 139  
167 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
140 140  
141 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
169 +Connect USB TTL Adapter to PC after connecting the wires
142 142  
143 143  
144 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
172 +[[image:image-20220602102240-4.png||height="304" width="600"]]
173 +
174 +
175 +=== 2.8.3  Upgrade steps ===
176 +
177 +
178 +==== 1.  Switch SW1 to put in ISP position ====
179 +
180 +
181 +[[image:image-20220602102824-5.png||height="306" width="600"]]
182 +
183 +
184 +==== 2.  Press the RST switch once ====
185 +
186 +[[image:image-20220602104701-12.png||height="285" width="600"]]
187 +
188 +
189 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
190 +
191 +
192 +(% 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/]]**
193 +
194 +
195 +[[image:image-20220602103227-6.png]]
196 +
197 +
198 +[[image:image-20220602103357-7.png]]
199 +
200 +
201 +
202 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
203 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
204 +
205 +
206 +[[image:image-20220602103844-8.png]]
207 +
208 +
209 +
210 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
211 +(% style="color:blue" %)**3. Select the bin file to burn**
212 +
213 +
214 +[[image:image-20220602104144-9.png]]
215 +
216 +
217 +[[image:image-20220602104251-10.png]]
218 +
219 +
220 +[[image:image-20220602104402-11.png]]
221 +
222 +
223 +
224 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
225 +(% style="color:blue" %)**4. Click to start the download**
226 +
227 +[[image:image-20220602104923-13.png]]
228 +
229 +
230 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
231 +(% style="color:blue" %)**5. Check update process**
232 +
233 +
234 +[[image:image-20220602104948-14.png]]
235 +
236 +
237 +
238 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
239 +(% style="color:blue" %)**The following picture shows that the burning is successful**
240 +
241 +[[image:image-20220602105251-15.png]]
242 +
243 +
244 +
245 += 3.  LA66 USB LoRaWAN Adapter =
246 +
247 +
248 +== 3.1  Overview ==
249 +
250 +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.
251 +
252 +
253 +== 3.2  Features ==
254 +
255 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
256 +* Ultra-long RF range
257 +* Support LoRaWAN v1.0.4 protocol
258 +* Support peer-to-peer protocol
259 +* TCXO crystal to ensure RF performance on low temperature
260 +* Spring RF antenna
261 +* Available in different frequency LoRaWAN frequency bands.
262 +* World-wide unique OTAA keys.
263 +* AT Command via UART-TTL interface
264 +* Firmware upgradable via UART interface
265 +
266 +== 3.3  Specification ==
267 +
268 +* CPU: 32-bit 48 MHz
269 +* Flash: 256KB
270 +* RAM: 64KB
271 +* Input Power Range: 5v
272 +* Frequency Range: 150 MHz ~~ 960 MHz
273 +* Maximum Power +22 dBm constant RF output
274 +* High sensitivity: -148 dBm
275 +* Temperature:
276 +** Storage: -55 ~~ +125℃
277 +** Operating: -40 ~~ +85℃
278 +* Humidity:
279 +** Storage: 5 ~~ 95% (Non-Condensing)
280 +** Operating: 10 ~~ 95% (Non-Condensing)
281 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
282 +* LoRa Rx current: <9 mA
283 +
284 +== 3.4  Pin Mapping & LED ==
285 +
286 +
287 +
288 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
289 +
290 +
291 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
292 +
293 +
294 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
295 +
296 +
297 +[[image:image-20220602171217-1.png||height="538" width="800"]]
298 +
299 +
300 +Open the serial port tool
301 +
302 +[[image:image-20220602161617-8.png]]
303 +
304 +[[image:image-20220602161718-9.png||height="457" width="800"]]
305 +
306 +
307 +
308 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
309 +
310 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
311 +
312 +
313 +[[image:image-20220602161935-10.png||height="498" width="800"]]
314 +
315 +
316 +
317 +(% style="color:blue" %)**3. See Uplink Command**
318 +
319 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
320 +
321 +example: AT+SENDB=01,02,8,05820802581ea0a5
322 +
323 +[[image:image-20220602162157-11.png||height="497" width="800"]]
324 +
325 +
326 +
327 +(% style="color:blue" %)**4. Check to see if TTN received the message**
328 +
329 +[[image:image-20220602162331-12.png||height="420" width="800"]]
330 +
331 +
332 +
333 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
334 +
335 +
336 +**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]]
337 +
338 +
339 +(% style="color:red" %)**Preconditions:**
340 +
341 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
342 +
343 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
344 +
345 +
346 +
347 +(% style="color:blue" %)**Steps for usage:**
348 +
349 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
350 +
351 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
352 +
353 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
354 +
355 +
356 +
357 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
358 +
359 +
360 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
361 +
362 +
363 +(% style="color:blue" %)**~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
364 +
365 +[[image:image-20220602171233-2.png||height="538" width="800"]]
366 +
367 +
368 +
369 +(% style="color:blue" %)**2. Install Minicom in RPi.**
370 +
371 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
372 +
373 + (% style="background-color:yellow" %)**apt update**
374 +
375 + (% style="background-color:yellow" %)**apt install minicom**
376 +
377 +
378 +Use minicom to connect to the RPI's terminal
379 +
380 +[[image:image-20220602153146-3.png||height="439" width="500"]]
381 +
382 +
383 +
384 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
385 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
386 +
387 +[[image:image-20220602154928-5.png||height="436" width="500"]]
388 +
389 +
390 +
391 +(% style="color:blue" %)**4. Send Uplink message**
392 +
393 +Format: **(% style="color:#4472C4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
394 +
395 +example: AT+SENDB=01,02,8,05820802581ea0a5
396 +
397 +
398 +[[image:image-20220602160339-6.png||height="517" width="600"]]
399 +
400 +
401 +
402 +Check to see if TTN received the message
403 +
404 +[[image:image-20220602160627-7.png||height="369" width="800"]]
405 +
406 +
407 +
408 +== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
409 +
410 +
411 +
412 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
413 +
414 +
415 +
416 +
417 += 4.  Order Info =
418 +
419 +
420 +Part Number: **LA66-XXX**, **LA66-LoRaWAN-Shield-XXX**  or  **LA66-USB-LoRaWAN-Adapter-XXX**
421 +
422 +
423 +**XXX**: The default frequency band
424 +
425 +* **AS923**:  LoRaWAN AS923 band
426 +* **AU915**:  LoRaWAN AU915 band
427 +* **EU433**:  LoRaWAN EU433 band
428 +* **EU868**:  LoRaWAN EU868 band
429 +* **KR920**:  LoRaWAN KR920 band
430 +* **US915**:  LoRaWAN US915 band
431 +* **IN865**:  LoRaWAN IN865 band
432 +* **CN470**: LoRaWAN CN470 band
433 +* **PP**:  Peer to Peer LoRa Protocol
434 +
435 +
436 +
437 +
438 += 5.  Reference =
439 +
440 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
441 +
442 +
CP210x_Universal_Windows_Driver.zip
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