Last modified by Xiaoling on 2023/09/19 09:20
<
From version < 72.1 >
edited by Edwin Chen
on 2022/07/03 00:02
To version < 55.1 >
edited by Herong Lu
on 2022/06/02 16:19
>
Change comment: Uploaded new attachment "image-20220602161935-10.png", version {1}

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1 -XWiki.Edwin
1 +XWiki.Lu
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6 6  
7 7  == What is LA66 LoRaWAN Module ==
8 8  
9 -(% 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.
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 -(% 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.
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.
12 12  
13 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
13 +**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
14 14  
15 -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.
16 16  
17 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
18 18  
17 +== Specification ==
19 19  
20 -== Features ==
19 +[[image:image-20220517072526-1.png]]
21 21  
22 -* Support LoRaWAN v1.0.4 protocol
23 -* Support peer-to-peer protocol
24 -* TCXO crystal to ensure RF performance on low temperature
25 -* SMD Antenna pad and i-pex antenna connector
26 -* Available in different frequency LoRaWAN frequency bands.
27 -* World-wide unique OTAA keys.
28 -* AT Command via UART-TTL interface
29 -* Firmware upgradable via UART interface
30 -* Ultra-long RF range
21 +Input Power Range: 1.8v ~~ 3.7v
31 31  
32 -== Specification ==
23 +Power Consumption: < 4uA.
33 33  
34 -* CPU: 32-bit 48 MHz
35 -* Flash: 256KB
36 -* RAM: 64KB
37 -* Input Power Range: 1.8v ~~ 3.7v
38 -* Power Consumption: < 4uA.
39 -* Frequency Range: 150 MHz ~~ 960 MHz
40 -* Maximum Power +22 dBm constant RF output
41 -* High sensitivity: -148 dBm
42 -* Temperature:
43 -** Storage: -55 ~~ +125℃
44 -** Operating: -40 ~~ +85℃
45 -* Humidity:
46 -** Storage: 5 ~~ 95% (Non-Condensing)
47 -** Operating: 10 ~~ 95% (Non-Condensing)
48 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
49 -* LoRa Rx current: <9 mA
50 -* I/O Voltage: 3.3v
25 +Frequency Range: 150 MHz ~~ 960 MHz
51 51  
52 -== AT Command ==
27 +Maximum Power +22 dBm constant RF output
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.
29 +High sensitivity: -148 dBm
55 55  
31 +Temperature:
56 56  
57 -== Dimension ==
33 +* Storage: -55 ~~ +125℃
34 +* Operating: -40 ~~ +85℃
58 58  
59 -[[image:image-20220517072526-1.png]]
36 +Humidity:
60 60  
38 +* Storage: 5 ~~ 95% (Non-Condensing)
39 +* Operating: 10 ~~ 95% (Non-Condensing)
61 61  
41 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
42 +
43 +LoRa Rx current: <9 mA
44 +
45 +I/O Voltage: 3.3v
46 +
47 +
48 +== AT Command ==
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 +
52 +
62 62  == Pin Mapping ==
63 63  
64 64  [[image:image-20220523101537-1.png]]
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68 68  [[image:image-20220517072821-2.png]]
69 69  
70 70  
71 -== Order Info ==
62 +== Part Number ==
72 72  
73 73  Part Number: **LA66-XXX**
74 74  
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82 82  * **US915**: LoRaWAN US915 band
83 83  * **IN865**: LoRaWAN IN865 band
84 84  * **CN470**: LoRaWAN CN470 band
85 -* **PP**: Peer to Peer LoRa Protocol
86 86  
87 -
88 88  = LA66 LoRaWAN Shield =
89 89  
90 -== Overview ==
79 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
91 91  
92 -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.
93 -
94 -
95 -== Features ==
96 -
97 -* Arduino Shield base on LA66 LoRaWAN module
98 -* Support LoRaWAN v1.0.4 protocol
99 -* Support peer-to-peer protocol
100 -* TCXO crystal to ensure RF performance on low temperature
101 -* SMA connector
102 -* Available in different frequency LoRaWAN frequency bands.
103 -* World-wide unique OTAA keys.
104 -* AT Command via UART-TTL interface
105 -* Firmware upgradable via UART interface
106 -* Ultra-long RF range
107 -
108 -== Specification ==
109 -
110 -* CPU: 32-bit 48 MHz
111 -* Flash: 256KB
112 -* RAM: 64KB
113 -* Input Power Range: 1.8v ~~ 3.7v
114 -* Power Consumption: < 4uA.
115 -* Frequency Range: 150 MHz ~~ 960 MHz
116 -* Maximum Power +22 dBm constant RF output
117 -* High sensitivity: -148 dBm
118 -* Temperature:
119 -** Storage: -55 ~~ +125℃
120 -** Operating: -40 ~~ +85℃
121 -* Humidity:
122 -** Storage: 5 ~~ 95% (Non-Condensing)
123 -** Operating: 10 ~~ 95% (Non-Condensing)
124 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
125 -* LoRa Rx current: <9 mA
126 -* I/O Voltage: 3.3v
127 -
128 128  == Pin Mapping & LED ==
129 129  
130 130  == Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
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205 205  
206 206  [[image:image-20220602105251-15.png]]
207 207  
208 -(% class="wikigeneratedid" %)
209 -= =
210 -
211 -== Order Info ==
212 -
213 -Part Number: **LA66-LoRaWAN-Shield-XXX**
214 -
215 -**XX**: The default frequency band
216 -
217 -* **AS923**: LoRaWAN AS923 band
218 -* **AU915**: LoRaWAN AU915 band
219 -* **EU433**: LoRaWAN EU433 band
220 -* **EU868**: LoRaWAN EU868 band
221 -* **KR920**: LoRaWAN KR920 band
222 -* **US915**: LoRaWAN US915 band
223 -* **IN865**: LoRaWAN IN865 band
224 -* **CN470**: LoRaWAN CN470 band
225 -* **PP**: Peer to Peer LoRa Protocol
226 -
227 -
228 -(% class="wikigeneratedid" %)
229 -== Package Info ==
230 -
231 -* LA66 LoRaWAN Shield x 1
232 -* RF Antenna x 1
233 -
234 -
235 -
236 -
237 -
238 238  = LA66 USB LoRaWAN Adapter =
239 239  
240 240  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.
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245 245  
246 246  == Example Send & Get Messages via LoRaWAN in PC ==
247 247  
248 -Connect the LA66 LoRa Shield to the PC
249 -
250 -[[image:image-20220602171217-1.png||height="615" width="915"]]
251 -
252 -Open the serial port tool
253 -
254 -[[image:image-20220602161617-8.png]]
255 -
256 -[[image:image-20220602161718-9.png||height="529" width="927"]]
257 -
258 -Press the reset switch RST on the LA66 LoRa Shield.
259 -
260 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
261 -
262 -[[image:image-20220602161935-10.png]]
263 -
264 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
265 -
266 -example: AT+SENDB=01,02,8,05820802581ea0a5
267 -
268 -[[image:image-20220602162157-11.png]]
269 -
270 -Check to see if TTN received the message
271 -
272 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
273 -
274 274  == Example Send & Get Messages via LoRaWAN in RPi ==
275 275  
276 276  Connect the LA66 LoRa Shield to the RPI
277 277  
278 -[[image:image-20220602171233-2.png||height="592" width="881"]]
175 +[[image:image-20220602153333-4.png]]
279 279  
280 280  Log in to the RPI's terminal and connect to the serial port
281 281  
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308 308  
309 309  [[image:image-20220602143744-2.png]]
310 310  
208 +=== Use AT Command to send an uplink message. ===
209 +
311 311  === Send PC's CPU/RAM usage to TTN via script. ===
312 312  
313 313  ==== Take python as an example： ====
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314 314  
315 315  ===== Preconditions: =====
316 316  
317 -1.LA66 USB LoRaWAN Adapter works fine
216 +1.LA66 LoRa Shield works fine
318 318  
319 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
218 +2.LA66 LoRa Shield is registered with TTN
320 320  
321 321  ===== Steps for usage =====
322 322  
323 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
222 +1.After connecting the line, connect it to the PC, turn SW1 to FLASH, and press the RST switch. As shown in the figure below
324 324  
224 +[[image:image-20220602114148-1.png]]
225 +
325 325  2.Run the script and see the TTN
326 326  
327 327  [[image:image-20220602115852-3.png]]
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332 332  
333 333  
334 334  == Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
335 -
336 -
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