Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 66.1 >
edited by Edwin Chen
on 2022/07/02 23:32
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  
19 -== Features ==
17 +== Specification ==
20 20  
19 +[[image:image-20220517072526-1.png]]
21 21  
22 -== Specification ==
21 +Input Power Range: 1.8v ~~ 3.7v
23 23  
24 -* Input Power Range: 1.8v ~~ 3.7v
25 -* Power Consumption: < 4uA.
26 -* Frequency Range: 150 MHz ~~ 960 MHz
27 -* Maximum Power +22 dBm constant RF output
28 -* High sensitivity: -148 dBm
29 -* Temperature:
30 -** Storage: -55 ~~ +125℃
31 -** Operating: -40 ~~ +85℃
32 -* Humidity:
33 -** Storage: 5 ~~ 95% (Non-Condensing)
34 -** Operating: 10 ~~ 95% (Non-Condensing)
35 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
36 -* LoRa Rx current: <9 mA
37 -* I/O Voltage: 3.3v
23 +Power Consumption: < 4uA.
38 38  
25 +Frequency Range: 150 MHz ~~ 960 MHz
39 39  
40 -== AT Command ==
27 +Maximum Power +22 dBm constant RF output
41 41  
42 -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
43 43  
31 +Temperature:
44 44  
45 -== Dimension ==
33 +* Storage: -55 ~~ +125℃
34 +* Operating: -40 ~~ +85℃
46 46  
47 -[[image:image-20220517072526-1.png]]
36 +Humidity:
48 48  
38 +* Storage: 5 ~~ 95% (Non-Condensing)
39 +* Operating: 10 ~~ 95% (Non-Condensing)
49 49  
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 +
50 50  == Pin Mapping ==
51 51  
52 52  [[image:image-20220523101537-1.png]]
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165 165  
166 166  == Example Send & Get Messages via LoRaWAN in PC ==
167 167  
168 -Connect the LA66 LoRa Shield to the PC
169 -
170 -[[image:image-20220602171217-1.png||height="615" width="915"]]
171 -
172 -Open the serial port tool
173 -
174 -[[image:image-20220602161617-8.png]]
175 -
176 -[[image:image-20220602161718-9.png||height="529" width="927"]]
177 -
178 -Press the reset switch RST on the LA66 LoRa Shield.
179 -
180 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
181 -
182 -[[image:image-20220602161935-10.png]]
183 -
184 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
185 -
186 -example: AT+SENDB=01,02,8,05820802581ea0a5
187 -
188 -[[image:image-20220602162157-11.png]]
189 -
190 -Check to see if TTN received the message
191 -
192 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
193 -
194 194  == Example Send & Get Messages via LoRaWAN in RPi ==
195 195  
196 196  Connect the LA66 LoRa Shield to the RPI
197 197  
198 -[[image:image-20220602171233-2.png||height="592" width="881"]]
175 +[[image:image-20220602153333-4.png]]
199 199  
200 200  Log in to the RPI's terminal and connect to the serial port
201 201  
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228 228  
229 229  [[image:image-20220602143744-2.png]]
230 230  
208 +=== Use AT Command to send an uplink message. ===
209 +
231 231  === Send PC's CPU/RAM usage to TTN via script. ===
232 232  
233 233  ==== Take python as an example： ====
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234 234  
235 235  ===== Preconditions: =====
236 236  
237 -1.LA66 USB LoRaWAN Adapter works fine
216 +1.LA66 LoRa Shield works fine
238 238  
239 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
218 +2.LA66 LoRa Shield is registered with TTN
240 240  
241 241  ===== Steps for usage =====
242 242  
243 -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
244 244  
224 +[[image:image-20220602114148-1.png]]
225 +
245 245  2.Run the script and see the TTN
246 246  
247 247  [[image:image-20220602115852-3.png]]
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252 252  
253 253  
254 254  == Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
255 -
256 -
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