Last modified by Xiaoling on 2023/09/19 09:20
<
From version < 68.1 >
edited by Edwin Chen
on 2022/07/02 23:42
To version < 57.1 >
edited by Herong Lu
on 2022/06/02 16:23
>
Change comment: Uploaded new attachment "image-20220602162331-12.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.
21 +Input Power Range: 1.8v ~~ 3.7v
28 28  
23 +Power Consumption: < 4uA.
29 29  
25 +Frequency Range: 150 MHz ~~ 960 MHz
30 30  
27 +Maximum Power +22 dBm constant RF output
31 31  
32 -== Specification ==
29 +High sensitivity: -148 dBm
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
31 +Temperature:
51 51  
52 -== AT Command ==
33 +* Storage: -55 ~~ +125℃
34 +* Operating: -40 ~~ +85℃
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.
36 +Humidity:
55 55  
38 +* Storage: 5 ~~ 95% (Non-Condensing)
39 +* Operating: 10 ~~ 95% (Non-Condensing)
56 56  
57 -== Dimension ==
41 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
58 58  
59 -[[image:image-20220517072526-1.png]]
43 +LoRa Rx current: <9 mA
60 60  
45 +I/O Voltage: 3.3v
61 61  
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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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 90  LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
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179 179  
180 180  == Example Send & Get Messages via LoRaWAN in PC ==
181 181  
182 -Connect the LA66 LoRa Shield to the PC
183 -
184 -[[image:image-20220602171217-1.png||height="615" width="915"]]
185 -
186 -Open the serial port tool
187 -
188 -[[image:image-20220602161617-8.png]]
189 -
190 -[[image:image-20220602161718-9.png||height="529" width="927"]]
191 -
192 -Press the reset switch RST on the LA66 LoRa Shield.
193 -
194 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
195 -
196 -[[image:image-20220602161935-10.png]]
197 -
198 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
199 -
200 -example: AT+SENDB=01,02,8,05820802581ea0a5
201 -
202 -[[image:image-20220602162157-11.png]]
203 -
204 -Check to see if TTN received the message
205 -
206 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
207 -
208 208  == Example Send & Get Messages via LoRaWAN in RPi ==
209 209  
210 210  Connect the LA66 LoRa Shield to the RPI
211 211  
212 -[[image:image-20220602171233-2.png||height="592" width="881"]]
175 +[[image:image-20220602153333-4.png]]
213 213  
214 214  Log in to the RPI's terminal and connect to the serial port
215 215  
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242 242  
243 243  [[image:image-20220602143744-2.png]]
244 244  
208 +=== Use AT Command to send an uplink message. ===
209 +
245 245  === Send PC's CPU/RAM usage to TTN via script. ===
246 246  
247 247  ==== Take python as an example： ====
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248 248  
249 249  ===== Preconditions: =====
250 250  
251 -1.LA66 USB LoRaWAN Adapter works fine
216 +1.LA66 LoRa Shield works fine
252 252  
253 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
218 +2.LA66 LoRa Shield is registered with TTN
254 254  
255 255  ===== Steps for usage =====
256 256  
257 -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
258 258  
224 +[[image:image-20220602114148-1.png]]
225 +
259 259  2.Run the script and see the TTN
260 260  
261 261  [[image:image-20220602115852-3.png]]
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266 266  
267 267  
268 268  == Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
269 -
270 -
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