Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 93.1 >
edited by Edwin Chen
on 2022/07/15 00:12
To version < 19.1 >
edited by Herong Lu
on 2022/06/02 10:22
>
Change comment: Uploaded new attachment "image-20220602102240-4.png", version {1}

Summary

Details

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Author
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1 -XWiki.Edwin
1 +XWiki.Lu
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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 -= 1.  LA66 LoRaWAN Module =
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 11  
12 -== 1.1  What is LA66 LoRaWAN Module ==
13 +**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
13 13  
14 14  
15 -(((
16 -[[image:image-20220715000242-1.png||height="110" width="132"]]
17 17  
18 -(% 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.
19 -)))
17 +== Specification ==
20 20  
21 -(((
22 -(% 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.
23 -)))
19 +[[image:image-20220517072526-1.png]]
24 24  
25 -(((
26 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
27 -)))
21 +Input Power Range: 1.8v ~~ 3.7v
28 28  
29 -(((
30 -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.
31 -)))
23 +Power Consumption: < 4uA.
32 32  
33 -(((
34 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
35 -)))
25 +Frequency Range: 150 MHz ~~ 960 MHz
36 36  
27 +Maximum Power +22 dBm constant RF output
37 37  
38 -== 1.2  Features ==
29 +High sensitivity: -148 dBm
39 39  
40 -* Support LoRaWAN v1.0.4 protocol
41 -* Support peer-to-peer protocol
42 -* TCXO crystal to ensure RF performance on low temperature
43 -* SMD Antenna pad and i-pex antenna connector
44 -* Available in different frequency LoRaWAN frequency bands.
45 -* World-wide unique OTAA keys.
46 -* AT Command via UART-TTL interface
47 -* Firmware upgradable via UART interface
48 -* Ultra-long RF range
31 +Temperature:
49 49  
50 -== 1.3  Specification ==
33 +* Storage: -55 ~~ +125℃
34 +* Operating: -40 ~~ +85℃
51 51  
52 -* CPU: 32-bit 48 MHz
53 -* Flash: 256KB
54 -* RAM: 64KB
55 -* Input Power Range: 1.8v ~~ 3.7v
56 -* Power Consumption: < 4uA.
57 -* Frequency Range: 150 MHz ~~ 960 MHz
58 -* Maximum Power +22 dBm constant RF output
59 -* High sensitivity: -148 dBm
60 -* Temperature:
61 -** Storage: -55 ~~ +125℃
62 -** Operating: -40 ~~ +85℃
63 -* Humidity:
64 -** Storage: 5 ~~ 95% (Non-Condensing)
65 -** Operating: 10 ~~ 95% (Non-Condensing)
66 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
67 -* LoRa Rx current: <9 mA
68 -* I/O Voltage: 3.3v
36 +Humidity:
69 69  
70 -== 1.4  AT Command ==
38 +* Storage: 5 ~~ 95% (Non-Condensing)
39 +* Operating: 10 ~~ 95% (Non-Condensing)
71 71  
72 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
41 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
73 73  
43 +LoRa Rx current: <9 mA
74 74  
75 -== 1.5  Dimension ==
45 +I/O Voltage: 3.3v
76 76  
77 -[[image:image-20220517072526-1.png]]
78 78  
48 +== AT Command ==
79 79  
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.
80 80  
81 -== 1.6  Pin Mapping ==
82 82  
53 +== Pin Mapping ==
83 83  
84 84  [[image:image-20220523101537-1.png]]
85 85  
57 +== Land Pattern ==
86 86  
87 -
88 -== 1.7  Land Pattern ==
89 -
90 90  [[image:image-20220517072821-2.png]]
91 91  
92 92  
62 +== Part Number ==
93 93  
94 -= 2.  LA66 LoRaWAN Shield =
64 +Part Number: **LA66-XXX**
95 95  
66 +**XX**: The default frequency band
96 96  
97 -== 2.1  Overview ==
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
98 98  
77 += LA66 LoRaWAN Shield =
99 99  
100 -[[image:image-20220715000826-2.png||height="386" width="449"]]
79 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
101 101  
81 +== Pin Mapping & LED ==
102 102  
103 -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.
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
104 104  
105 -(((
106 -(% 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.
107 -)))
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
108 108  
109 -(((
110 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
111 -)))
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
112 112  
113 -(((
114 -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.
115 -)))
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
116 116  
117 -(((
118 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
119 -)))
120 120  
121 121  
122 -== 2.2  Features ==
93 += LA66 USB LoRaWAN Adapter =
123 123  
124 -* Arduino Shield base on LA66 LoRaWAN module
125 -* Support LoRaWAN v1.0.4 protocol
126 -* Support peer-to-peer protocol
127 -* TCXO crystal to ensure RF performance on low temperature
128 -* SMA connector
129 -* Available in different frequency LoRaWAN frequency bands.
130 -* World-wide unique OTAA keys.
131 -* AT Command via UART-TTL interface
132 -* Firmware upgradable via UART interface
133 -* Ultra-long RF range
95 +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.
134 134  
135 -== 2.3  Specification ==
97 +== Pin Mapping & LED ==
136 136  
137 -* CPU: 32-bit 48 MHz
138 -* Flash: 256KB
139 -* RAM: 64KB
140 -* Input Power Range: 1.8v ~~ 3.7v
141 -* Power Consumption: < 4uA.
142 -* Frequency Range: 150 MHz ~~ 960 MHz
143 -* Maximum Power +22 dBm constant RF output
144 -* High sensitivity: -148 dBm
145 -* Temperature:
146 -** Storage: -55 ~~ +125℃
147 -** Operating: -40 ~~ +85℃
148 -* Humidity:
149 -** Storage: 5 ~~ 95% (Non-Condensing)
150 -** Operating: 10 ~~ 95% (Non-Condensing)
151 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
152 -* LoRa Rx current: <9 mA
153 -* I/O Voltage: 3.3v
99 +== Example Send & Get Messages via LoRaWAN in PC ==
154 154  
155 -== 2.4  Pin Mapping & LED ==
101 +== Example Send & Get Messages via LoRaWAN in RPi ==
156 156  
103 +=== Install USB Driver ===
157 157  
105 +=== Install Minicom ===
158 158  
159 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
107 +=== Use AT Command to send an uplink message. ===
160 160  
109 +=== Send CPU/RAM usage to TTN via a script. ===
161 161  
162 162  
163 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
112 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
164 164  
165 165  
115 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
166 166  
167 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
168 -
169 -
170 -
171 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
172 -
173 -
174 -=== 2.8.1  Items needed for update ===
175 -
176 -1. LA66 LoRaWAN Shield
177 -1. Arduino
178 -1. USB TO TTL Adapter
179 -
180 -[[image:image-20220602100052-2.png||height="385" width="600"]]
181 -
182 -
183 -=== 2.8.2  Connection ===
184 -
185 -
186 -[[image:image-20220602101311-3.png||height="276" width="600"]]
187 -
188 -
189 -(((
190 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
191 -)))
192 -
193 -(((
194 -(% style="background-color:yellow" %)**GND  <-> GND
195 -TXD  <->  TXD
196 -RXD  <->  RXD**
197 -)))
198 -
199 -
200 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
201 -
202 -Connect USB TTL Adapter to PC after connecting the wires
203 -
204 -
205 -[[image:image-20220602102240-4.png||height="304" width="600"]]
206 -
207 -
208 -=== 2.8.3  Upgrade steps ===
209 -
210 -
211 -==== 1.  Switch SW1 to put in ISP position ====
212 -
213 -
214 -[[image:image-20220602102824-5.png||height="306" width="600"]]
215 -
216 -
217 -
218 -==== 2.  Press the RST switch once ====
219 -
220 -
221 -[[image:image-20220602104701-12.png||height="285" width="600"]]
222 -
223 -
224 -
225 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
226 -
227 -
228 -(((
229 -(% 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/]]**
230 -)))
231 -
232 -
233 -[[image:image-20220602103227-6.png]]
234 -
235 -
236 -[[image:image-20220602103357-7.png]]
237 -
238 -
239 -
240 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
241 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
242 -
243 -
244 -[[image:image-20220602103844-8.png]]
245 -
246 -
247 -
248 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
249 -(% style="color:blue" %)**3. Select the bin file to burn**
250 -
251 -
252 -[[image:image-20220602104144-9.png]]
253 -
254 -
255 -[[image:image-20220602104251-10.png]]
256 -
257 -
258 -[[image:image-20220602104402-11.png]]
259 -
260 -
261 -
262 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
263 -(% style="color:blue" %)**4. Click to start the download**
264 -
265 -[[image:image-20220602104923-13.png]]
266 -
267 -
268 -
269 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
270 -(% style="color:blue" %)**5. Check update process**
271 -
272 -
273 -[[image:image-20220602104948-14.png]]
274 -
275 -
276 -
277 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
278 -(% style="color:blue" %)**The following picture shows that the burning is successful**
279 -
280 -[[image:image-20220602105251-15.png]]
281 -
282 -
283 -
284 -= 3.  LA66 USB LoRaWAN Adapter =
285 -
286 -
287 -== 3.1  Overview ==
288 -
289 -[[image:image-20220715001142-3.png||height="145" width="220"]]
290 -
291 -(% 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.
292 -
293 -(% 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.
294 -
295 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
296 -
297 -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.
298 -
299 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
300 -
301 -
302 -== 3.2  Features ==
303 -
304 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
305 -* Ultra-long RF range
306 -* Support LoRaWAN v1.0.4 protocol
307 -* Support peer-to-peer protocol
308 -* TCXO crystal to ensure RF performance on low temperature
309 -* Spring RF antenna
310 -* Available in different frequency LoRaWAN frequency bands.
311 -* World-wide unique OTAA keys.
312 -* AT Command via UART-TTL interface
313 -* Firmware upgradable via UART interface
314 -
315 -== 3.3  Specification ==
316 -
317 -* CPU: 32-bit 48 MHz
318 -* Flash: 256KB
319 -* RAM: 64KB
320 -* Input Power Range: 5v
321 -* Frequency Range: 150 MHz ~~ 960 MHz
322 -* Maximum Power +22 dBm constant RF output
323 -* High sensitivity: -148 dBm
324 -* Temperature:
325 -** Storage: -55 ~~ +125℃
326 -** Operating: -40 ~~ +85℃
327 -* Humidity:
328 -** Storage: 5 ~~ 95% (Non-Condensing)
329 -** Operating: 10 ~~ 95% (Non-Condensing)
330 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
331 -* LoRa Rx current: <9 mA
332 -
333 -== 3.4  Pin Mapping & LED ==
334 -
335 -
336 -
337 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
338 -
339 -
340 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
341 -
342 -
343 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
344 -
345 -
346 -[[image:image-20220602171217-1.png||height="538" width="800"]]
347 -
348 -
349 -Open the serial port tool
350 -
351 -[[image:image-20220602161617-8.png]]
352 -
353 -[[image:image-20220602161718-9.png||height="457" width="800"]]
354 -
355 -
356 -
357 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
358 -
359 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
360 -
361 -
362 -[[image:image-20220602161935-10.png||height="498" width="800"]]
363 -
364 -
365 -
366 -(% style="color:blue" %)**3. See Uplink Command**
367 -
368 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
369 -
370 -example: AT+SENDB=01,02,8,05820802581ea0a5
371 -
372 -[[image:image-20220602162157-11.png||height="497" width="800"]]
373 -
374 -
375 -
376 -(% style="color:blue" %)**4. Check to see if TTN received the message**
377 -
378 -[[image:image-20220602162331-12.png||height="420" width="800"]]
379 -
380 -
381 -
382 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
383 -
384 -
385 -**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]]
386 -
387 -
388 -(% style="color:red" %)**Preconditions:**
389 -
390 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
391 -
392 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
393 -
394 -
395 -
396 -(% style="color:blue" %)**Steps for usage:**
397 -
398 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
399 -
400 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
401 -
402 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
403 -
404 -
405 -
406 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
407 -
408 -
409 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
410 -
411 -
412 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
413 -
414 -[[image:image-20220602171233-2.png||height="538" width="800"]]
415 -
416 -
417 -
418 -(% style="color:blue" %)**2. Install Minicom in RPi.**
419 -
420 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
421 -
422 - (% style="background-color:yellow" %)**apt update**
423 -
424 - (% style="background-color:yellow" %)**apt install minicom**
425 -
426 -
427 -Use minicom to connect to the RPI's terminal
428 -
429 -[[image:image-20220602153146-3.png||height="439" width="500"]]
430 -
431 -
432 -
433 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
434 -
435 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
436 -
437 -
438 -[[image:image-20220602154928-5.png||height="436" width="500"]]
439 -
440 -
441 -
442 -(% style="color:blue" %)**4. Send Uplink message**
443 -
444 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
445 -
446 -example: AT+SENDB=01,02,8,05820802581ea0a5
447 -
448 -
449 -[[image:image-20220602160339-6.png||height="517" width="600"]]
450 -
451 -
452 -
453 -Check to see if TTN received the message
454 -
455 -[[image:image-20220602160627-7.png||height="369" width="800"]]
456 -
457 -
458 -
459 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
460 -
461 -
462 -
463 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
464 -
465 -
466 -
467 -
468 -= 4.  Order Info =
469 -
470 -
471 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
472 -
473 -
474 -(% style="color:blue" %)**XXX**(%%): The default frequency band
475 -
476 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
477 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
478 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
479 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
480 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
481 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
482 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
483 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
484 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
485 -
486 -= 5.  Reference =
487 -
488 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
489 -
490 490  
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