Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 46.1 >
edited by Herong Lu
on 2022/06/02 14:38
To version < 71.1 >
edited by Edwin Chen
on 2022/07/03 00:00
>
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1 -XWiki.Lu
1 +XWiki.Edwin
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6 6  
7 7  == What is LA66 LoRaWAN Module ==
8 8  
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.
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.
10 10  
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.
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.
12 12  
13 -**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
13 +Each LA66 module includes a (% style="color:blue" %)**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.
15 15  
17 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
16 16  
17 -== Specification ==
18 18  
19 -[[image:image-20220517072526-1.png]]
20 +== Features ==
20 20  
21 -Input Power Range: 1.8v ~~ 3.7v
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
22 22  
23 -Power Consumption: < 4uA.
24 24  
25 -Frequency Range: 150 MHz ~~ 960 MHz
33 +== Specification ==
26 26  
27 -Maximum Power +22 dBm constant RF output
35 +* CPU: 32-bit 48 MHz
36 +* Flash: 256KB
37 +* RAM: 64KB
38 +* Input Power Range: 1.8v ~~ 3.7v
39 +* Power Consumption: < 4uA.
40 +* Frequency Range: 150 MHz ~~ 960 MHz
41 +* Maximum Power +22 dBm constant RF output
42 +* High sensitivity: -148 dBm
43 +* Temperature:
44 +** Storage: -55 ~~ +125℃
45 +** Operating: -40 ~~ +85℃
46 +* Humidity:
47 +** Storage: 5 ~~ 95% (Non-Condensing)
48 +** Operating: 10 ~~ 95% (Non-Condensing)
49 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
50 +* LoRa Rx current: <9 mA
51 +* I/O Voltage: 3.3v
28 28  
29 -High sensitivity: -148 dBm
53 +== AT Command ==
30 30  
31 -Temperature:
55 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
32 32  
33 -* Storage: -55 ~~ +125℃
34 -* Operating: -40 ~~ +85℃
35 35  
36 -Humidity:
58 +== Dimension ==
37 37  
38 -* Storage: 5 ~~ 95% (Non-Condensing)
39 -* Operating: 10 ~~ 95% (Non-Condensing)
60 +[[image:image-20220517072526-1.png]]
40 40  
41 -LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
42 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 -
53 53  == Pin Mapping ==
54 54  
55 55  [[image:image-20220523101537-1.png]]
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73 73  * **US915**: LoRaWAN US915 band
74 74  * **IN865**: LoRaWAN IN865 band
75 75  * **CN470**: LoRaWAN CN470 band
86 +* **PP**: Peer to Peer LoRa Protocol
76 76  
88 +
89 +
77 77  = LA66 LoRaWAN Shield =
78 78  
79 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
92 +== Overview ==
80 80  
94 +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.
95 +
96 +
97 +== Features ==
98 +
99 +* Arduino Shield base on LA66 LoRaWAN module
100 +* Support LoRaWAN v1.0.4 protocol
101 +* Support peer-to-peer protocol
102 +* TCXO crystal to ensure RF performance on low temperature
103 +* SMA connector
104 +* Available in different frequency LoRaWAN frequency bands.
105 +* World-wide unique OTAA keys.
106 +* AT Command via UART-TTL interface
107 +* Firmware upgradable via UART interface
108 +* Ultra-long RF range
109 +
110 +
111 +== Specification ==
112 +
113 +* CPU: 32-bit 48 MHz
114 +* Flash: 256KB
115 +* RAM: 64KB
116 +* Input Power Range: 1.8v ~~ 3.7v
117 +* Power Consumption: < 4uA.
118 +* Frequency Range: 150 MHz ~~ 960 MHz
119 +* Maximum Power +22 dBm constant RF output
120 +* High sensitivity: -148 dBm
121 +* Temperature:
122 +** Storage: -55 ~~ +125℃
123 +** Operating: -40 ~~ +85℃
124 +* Humidity:
125 +** Storage: 5 ~~ 95% (Non-Condensing)
126 +** Operating: 10 ~~ 95% (Non-Condensing)
127 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
128 +* LoRa Rx current: <9 mA
129 +* I/O Voltage: 3.3v
130 +
131 +
81 81  == Pin Mapping & LED ==
82 82  
83 83  == Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
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162 162  
163 163  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.
164 164  
216 +Before use, please make sure that the computer has installed the CP2102 driver
217 +
165 165  == Pin Mapping & LED ==
166 166  
167 167  == Example Send & Get Messages via LoRaWAN in PC ==
168 168  
222 +Connect the LA66 LoRa Shield to the PC
223 +
224 +[[image:image-20220602171217-1.png||height="615" width="915"]]
225 +
226 +Open the serial port tool
227 +
228 +[[image:image-20220602161617-8.png]]
229 +
230 +[[image:image-20220602161718-9.png||height="529" width="927"]]
231 +
232 +Press the reset switch RST on the LA66 LoRa Shield.
233 +
234 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
235 +
236 +[[image:image-20220602161935-10.png]]
237 +
238 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
239 +
240 +example: AT+SENDB=01,02,8,05820802581ea0a5
241 +
242 +[[image:image-20220602162157-11.png]]
243 +
244 +Check to see if TTN received the message
245 +
246 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
247 +
169 169  == Example Send & Get Messages via LoRaWAN in RPi ==
170 170  
171 -=== Install USB Driver ===
250 +Connect the LA66 LoRa Shield to the RPI
172 172  
173 -Download Link:[[click here>>attach:CP210x_Universal_Windows_Driver.zip]]
252 +[[image:image-20220602171233-2.png||height="592" width="881"]]
174 174  
254 +Log in to the RPI's terminal and connect to the serial port
255 +
256 +[[image:image-20220602153146-3.png]]
257 +
258 +Press the reset switch RST on the LA66 LoRa Shield.
259 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
260 +
261 +[[image:image-20220602154928-5.png]]
262 +
263 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
264 +
265 +example: AT+SENDB=01,02,8,05820802581ea0a5
266 +
267 +[[image:image-20220602160339-6.png]]
268 +
269 +Check to see if TTN received the message
270 +
271 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
272 +
175 175  === Install Minicom ===
176 176  
177 177  Enter the following command in the RPI terminal
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184 184  
185 185  [[image:image-20220602143744-2.png]]
186 186  
187 -=== Use AT Command to send an uplink message. ===
188 -
189 189  === Send PC's CPU/RAM usage to TTN via script. ===
190 190  
191 191  ==== Take python as an example： ====
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192 192  
193 193  ===== Preconditions: =====
194 194  
195 -1.LA66 LoRa Shield works fine
291 +1.LA66 USB LoRaWAN Adapter works fine
196 196  
197 -2.LA66 LoRa Shield is registered with TTN
293 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
198 198  
199 199  ===== Steps for usage =====
200 200  
201 -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
297 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
202 202  
203 -[[image:image-20220602114148-1.png]]
204 -
205 205  2.Run the script and see the TTN
206 206  
207 207  [[image:image-20220602115852-3.png]]
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212 212  
213 213  
214 214  == Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
309 +
310 +
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