Last modified by Xiaoling on 2023/05/26 14:19
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From version < 87.4 >
edited by Xiaoling
on 2022/07/13 09:55
To version < 87.16 >
edited by Xiaoling
on 2022/07/13 10:10
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Summary

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Content
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1 1  
2 2  
3 -{{box cssClass="floatinginfobox" title="**Contents**"}}
4 -{{toc/}}
5 -{{/box}}
3 +**Table of Contents:**
6 6  
7 7  {{toc/}}
8 8  
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14 14  == 1.1  What is LA66 LoRaWAN Module ==
15 15  
16 16  
15 +(((
17 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.
17 +)))
18 18  
19 +(((
19 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.
21 +)))
20 20  
23 +(((
21 21  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
25 +)))
22 22  
27 +(((
23 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.
29 +)))
24 24  
31 +(((
25 25  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
33 +)))
26 26  
27 27  
28 28  == 1.2  Features ==
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37 37  * Firmware upgradable via UART interface
38 38  * Ultra-long RF range
39 39  
48 +
49 +
40 40  == 1.3  Specification ==
41 41  
42 42  * CPU: 32-bit 48 MHz
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57 57  * LoRa Rx current: <9 mA
58 58  * I/O Voltage: 3.3v
59 59  
70 +
71 +
60 60  == 1.4  AT Command ==
61 61  
62 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.
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102 102  * Firmware upgradable via UART interface
103 103  * Ultra-long RF range
104 104  
117 +
118 +
105 105  == 2.3  Specification ==
106 106  
107 107  * CPU: 32-bit 48 MHz
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122 122  * LoRa Rx current: <9 mA
123 123  * I/O Voltage: 3.3v
124 124  
139 +
140 +
125 125  == 2.4  Pin Mapping & LED ==
126 126  
127 127  
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147 147  1. Arduino
148 148  1. USB TO TTL Adapter
149 149  
166 +
167 +
168 +
150 150  [[image:image-20220602100052-2.png||height="385" width="600"]]
151 151  
152 152  
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158 158  
159 159  (% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
160 160  
161 -
180 +(((
162 162  (% style="background-color:yellow" %)**GND  <-> GND
163 -TXD  <->  TXD
164 -RXD  <->  RXD**
182 +TXD  <->  TXD
183 +RXD  <->  RXD**
184 +)))
165 165  
166 166  
167 167  Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
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181 181  [[image:image-20220602102824-5.png||height="306" width="600"]]
182 182  
183 183  
204 +
184 184  ==== 2.  Press the RST switch once ====
185 185  
207 +
186 186  [[image:image-20220602104701-12.png||height="285" width="600"]]
187 187  
188 188  
211 +
189 189  ==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
190 190  
191 191  
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227 227  [[image:image-20220602104923-13.png]]
228 228  
229 229  
253 +
230 230  (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
231 231  (% style="color:blue" %)**5. Check update process**
232 232  
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263 263  * AT Command via UART-TTL interface
264 264  * Firmware upgradable via UART interface
265 265  
290 +
291 +
266 266  == 3.3  Specification ==
267 267  
268 268  * CPU: 32-bit 48 MHz
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281 281  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
282 282  * LoRa Rx current: <9 mA
283 283  
310 +
311 +
284 284  == 3.4  Pin Mapping & LED ==
285 285  
286 286  
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360 360  Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
361 361  
362 362  
363 -(% style="color:blue" %)**~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
391 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
364 364  
365 365  [[image:image-20220602171233-2.png||height="538" width="800"]]
366 366  
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382 382  
383 383  
384 384  (% 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
386 386  
414 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
415 +
416 +
387 387  [[image:image-20220602154928-5.png||height="436" width="500"]]
388 388  
389 389  
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390 390  
391 391  (% style="color:blue" %)**4. Send Uplink message**
392 392  
393 -Format: **(% style="color:#4472C4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
423 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
394 394  
395 395  example: AT+SENDB=01,02,8,05820802581ea0a5
396 396  
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417 417  = 4.  Order Info =
418 418  
419 419  
420 -Part Number: **LA66-XXX**, **LA66-LoRaWAN-Shield-XXX**  or  **LA66-USB-LoRaWAN-Adapter-XXX**
450 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
421 421  
422 422  
423 -**XXX**: The default frequency band
453 +(% style="color:blue" %)**XXX**(%%): The default frequency band
424 424  
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
455 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
456 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
457 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
458 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
459 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
460 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
461 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
462 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
463 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
434 434  
435 435  
436 436  
437 -
438 438  = 5.  Reference =
439 439  
440 440  * 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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