Last modified by Xiaoling on 2023/09/19 09:20
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From version < 87.15 >
edited by Xiaoling
on 2022/07/13 10:09
To version < 87.4 >
edited by Xiaoling
on 2022/07/13 09:55
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Summary

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Content
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1 1  
2 2  
3 -**Table of Contents:**
3 +{{box cssClass="floatinginfobox" title="**Contents**"}}
4 +{{toc/}}
5 +{{/box}}
4 4  
5 5  {{toc/}}
6 6  
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12 12  == 1.1  What is LA66 LoRaWAN Module ==
13 13  
14 14  
15 -(((
16 16  (% 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 -(((
20 20  (% 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 -)))
22 22  
23 -(((
24 24  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
25 -)))
26 26  
27 -(((
28 28  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 -)))
30 30  
31 -(((
32 32  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
33 -)))
34 34  
35 35  
36 36  == 1.2  Features ==
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45 45  * Firmware upgradable via UART interface
46 46  * Ultra-long RF range
47 47  
48 -
49 -
50 50  == 1.3  Specification ==
51 51  
52 52  * CPU: 32-bit 48 MHz
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67 67  * LoRa Rx current: <9 mA
68 68  * I/O Voltage: 3.3v
69 69  
70 -
71 -
72 72  == 1.4  AT Command ==
73 73  
74 74  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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114 114  * Firmware upgradable via UART interface
115 115  * Ultra-long RF range
116 116  
117 -
118 -
119 119  == 2.3  Specification ==
120 120  
121 121  * CPU: 32-bit 48 MHz
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136 136  * LoRa Rx current: <9 mA
137 137  * I/O Voltage: 3.3v
138 138  
139 -
140 -
141 141  == 2.4  Pin Mapping & LED ==
142 142  
143 143  
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163 163  1. Arduino
164 164  1. USB TO TTL Adapter
165 165  
166 -
167 -
168 -
169 169  [[image:image-20220602100052-2.png||height="385" width="600"]]
170 170  
171 171  
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177 177  
178 178  (% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
179 179  
161 +
180 180  (% style="background-color:yellow" %)**GND  <-> GND
181 -TXD  <->  TXD
182 -RXD  <->  RXD**
163 +TXD  <->  TXD
164 +RXD  <->  RXD**
183 183  
184 184  
185 185  Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
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199 199  [[image:image-20220602102824-5.png||height="306" width="600"]]
200 200  
201 201  
202 -
203 203  ==== 2.  Press the RST switch once ====
204 204  
205 -
206 206  [[image:image-20220602104701-12.png||height="285" width="600"]]
207 207  
208 208  
209 -
210 210  ==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
211 211  
212 212  
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248 248  [[image:image-20220602104923-13.png]]
249 249  
250 250  
251 -
252 252  (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
253 253  (% style="color:blue" %)**5. Check update process**
254 254  
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285 285  * AT Command via UART-TTL interface
286 286  * Firmware upgradable via UART interface
287 287  
288 -
289 -
290 290  == 3.3  Specification ==
291 291  
292 292  * CPU: 32-bit 48 MHz
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305 305  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
306 306  * LoRa Rx current: <9 mA
307 307  
308 -
309 -
310 310  == 3.4  Pin Mapping & LED ==
311 311  
312 312  
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386 386  Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
387 387  
388 388  
389 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
363 +(% style="color:blue" %)**~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
390 390  
391 391  [[image:image-20220602171233-2.png||height="538" width="800"]]
392 392  
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408 408  
409 409  
410 410  (% 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
411 411  
412 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
413 -
414 -
415 415  [[image:image-20220602154928-5.png||height="436" width="500"]]
416 416  
417 417  
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418 418  
419 419  (% style="color:blue" %)**4. Send Uplink message**
420 420  
421 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
393 +Format: **(% style="color:#4472C4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
422 422  
423 423  example: AT+SENDB=01,02,8,05820802581ea0a5
424 424  
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445 445  = 4.  Order Info =
446 446  
447 447  
448 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
420 +Part Number: **LA66-XXX**, **LA66-LoRaWAN-Shield-XXX**  or  **LA66-USB-LoRaWAN-Adapter-XXX**
449 449  
450 450  
451 -(% style="color:blue" %)**XXX**(%%): The default frequency band
423 +**XXX**: The default frequency band
452 452  
453 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
454 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
455 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
456 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
457 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
458 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
459 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
460 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
461 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
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
462 462  
463 463  
464 464  
437 +
465 465  = 5.  Reference =
466 466  
467 467  * 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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