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Last modified by Xiaoling on 2023/09/19 09:20
From version 63.1
edited by Herong Lu
on 2022/06/02 17:23
Change comment: There is no comment for this version
To version 146.4
edited by Xiaoling
on 2022/08/16 14:24
Change comment: There is no comment for this version

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1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Module User Manual
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1 -XWiki.Lu
1 +XWiki.Xiaoling
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1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
2 -{{toc/}}
3 -{{/box}}
1 +
4 4  
5 -= LA66 LoRaWAN Module =
3 +**Table of Contents:**
6 6  
7 -== What is LA66 LoRaWAN Module ==
5 +{{toc/}}
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.
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.
12 12  
13 -**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
9 += 1.  LA66 LoRaWAN Module =
14 14  
15 15  
12 +== 1.1  What is LA66 LoRaWAN Module ==
16 16  
17 -== Specification ==
18 18  
19 -[[image:image-20220517072526-1.png]]
15 +(((
16 +(((
17 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 +)))
20 20  
21 -Input Power Range: 1.8v ~~ 3.7v
20 +(((
21 +
22 +)))
22 22  
23 -Power Consumption: < 4uA.
24 +(((
25 +(% 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.
26 +)))
27 +)))
24 24  
25 -Frequency Range: 150 MHz ~~ 960 MHz
29 +(((
30 +(((
31 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 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.
32 +)))
33 +)))
26 26  
27 -Maximum Power +22 dBm constant RF output
35 +(((
36 +(((
37 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 +)))
28 28  
29 -High sensitivity: -148 dBm
40 +(((
41 +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.
42 +)))
43 +)))
30 30  
31 -Temperature:
45 +(((
46 +(((
47 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
48 +)))
49 +)))
32 32  
33 -* Storage: -55 ~~ +125℃
34 -* Operating: -40 ~~ +85℃
35 35  
36 -Humidity:
37 37  
38 -* Storage: 5 ~~ 95% (Non-Condensing)
39 -* Operating: 10 ~~ 95% (Non-Condensing)
53 +== 1.2  Features ==
40 40  
41 -LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
42 42  
43 -LoRa Rx current: <9 mA
56 +* Support LoRaWAN v1.0.3 protocol
57 +* Support peer-to-peer protocol
58 +* TCXO crystal to ensure RF performance on low temperature
59 +* SMD Antenna pad and i-pex antenna connector
60 +* Available in different frequency LoRaWAN frequency bands.
61 +* World-wide unique OTAA keys.
62 +* AT Command via UART-TTL interface
63 +* Firmware upgradable via UART interface
64 +* Ultra-long RF range
44 44  
45 -I/O Voltage: 3.3v
46 46  
47 47  
48 -== AT Command ==
68 +== 1.3  Specification ==
49 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 51  
71 +* CPU: 32-bit 48 MHz
72 +* Flash: 256KB
73 +* RAM: 64KB
74 +* Input Power Range: 1.8v ~~ 3.7v
75 +* Power Consumption: < 4uA.
76 +* Frequency Range: 150 MHz ~~ 960 MHz
77 +* Maximum Power +22 dBm constant RF output
78 +* High sensitivity: -148 dBm
79 +* Temperature:
80 +** Storage: -55 ~~ +125℃
81 +** Operating: -40 ~~ +85℃
82 +* Humidity:
83 +** Storage: 5 ~~ 95% (Non-Condensing)
84 +** Operating: 10 ~~ 95% (Non-Condensing)
85 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
86 +* LoRa Rx current: <9 mA
87 +* I/O Voltage: 3.3v
52 52  
53 -== Pin Mapping ==
54 54  
55 -[[image:image-20220523101537-1.png]]
56 56  
57 -== Land Pattern ==
91 +== 1.4  AT Command ==
58 58  
59 -[[image:image-20220517072821-2.png]]
60 60  
94 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
61 61  
62 -== Part Number ==
63 63  
64 -Part Number: **LA66-XXX**
65 65  
66 -**XX**: The default frequency band
98 +== 1.5  Dimension ==
67 67  
68 -* **AS923**: LoRaWAN AS923 band
69 -* **AU915**: LoRaWAN AU915 band
70 -* **EU433**: LoRaWAN EU433 band
71 -* **EU868**: LoRaWAN EU868 band
72 -* **KR920**: LoRaWAN KR920 band
73 -* **US915**: LoRaWAN US915 band
74 -* **IN865**: LoRaWAN IN865 band
75 -* **CN470**: LoRaWAN CN470 band
76 76  
77 -= LA66 LoRaWAN Shield =
101 +[[image:image-20220718094750-3.png]]
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.
80 80  
81 -== Pin Mapping & LED ==
82 82  
83 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
105 +== 1.6  Pin Mapping ==
84 84  
85 -== Example: Join TTN network and send an uplink message, get downlink message. ==
107 +[[image:image-20220720111850-1.png]]
86 86  
87 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
88 88  
89 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
90 90  
91 -=== what needs to be used ===
111 +== 1.7  Land Pattern ==
92 92  
93 -1.LA66 LoRaWAN Shield that needs to be upgraded
94 94  
95 -2.Arduino
114 +[[image:image-20220517072821-2.png]]
96 96  
97 -3.USB TO TTL
98 98  
99 -[[image:image-20220602100052-2.png]]
100 100  
101 -=== Wiring Schematic ===
118 += 2.  FAQ =
102 102  
103 -[[image:image-20220602101311-3.png]]
104 104  
105 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
121 +== 2.1  How to Compile Source Code for LA66? ==
106 106  
107 -GND  >>>>>>>>>>>>GND
108 108  
109 -TXD  >>>>>>>>>>>>TXD
124 +Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
110 110  
111 -RXD  >>>>>>>>>>>>RXD
112 112  
113 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
114 114  
115 -Connect to the PC after connecting the wires
128 += 3.  Order Info =
116 116  
117 -[[image:image-20220602102240-4.png]]
118 118  
119 -=== Upgrade steps ===
131 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
120 120  
121 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
122 122  
123 -[[image:image-20220602102824-5.png]]
134 +(% style="color:blue" %)**XXX**(%%): The default frequency band
124 124  
125 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
136 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
137 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
138 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
139 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
140 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
141 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
142 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
143 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
144 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
126 126  
127 -[[image:image-20220602104701-12.png]]
128 128  
129 -==== Open the upgrade application software ====
130 -
131 -Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]
132 -
133 -[[image:image-20220602103227-6.png]]
134 -
135 -[[image:image-20220602103357-7.png]]
136 -
137 -===== Select the COM port corresponding to USB TTL =====
138 -
139 -[[image:image-20220602103844-8.png]]
140 -
141 -===== Select the bin file to burn =====
142 -
143 -[[image:image-20220602104144-9.png]]
144 -
145 -[[image:image-20220602104251-10.png]]
146 -
147 -[[image:image-20220602104402-11.png]]
148 -
149 -===== Click to start the download =====
150 -
151 -[[image:image-20220602104923-13.png]]
152 -
153 -===== The following figure appears to prove that the burning is in progress =====
154 -
155 -[[image:image-20220602104948-14.png]]
156 -
157 -===== The following picture appears to prove that the burning is successful =====
158 -
159 -[[image:image-20220602105251-15.png]]
160 -
161 -= LA66 USB LoRaWAN Adapter =
162 -
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 -
165 -Before use, please make sure that the computer has installed the CP2102 driver
166 -
167 -== Pin Mapping & LED ==
168 -
169 -== Example Send & Get Messages via LoRaWAN in PC ==
170 -
171 -Connect the LA66 LoRa Shield to the PC
172 -
173 -[[image:image-20220602171217-1.png||height="615" width="915"]]
174 -
175 -Open the serial port tool
176 -
177 -[[image:image-20220602161617-8.png]]
178 -
179 -[[image:image-20220602161718-9.png||height="529" width="927"]]
180 -
181 -Press the reset switch RST on the LA66 LoRa Shield.
182 -
183 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
184 -
185 -[[image:image-20220602161935-10.png]]
186 -
187 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
188 -
189 -example: AT+SENDB=01,02,8,05820802581ea0a5
190 -
191 -[[image:image-20220602162157-11.png]]
192 -
193 -Check to see if TTN received the message
194 -
195 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
196 -
197 -== Example Send & Get Messages via LoRaWAN in RPi ==
198 -
199 -Connect the LA66 LoRa Shield to the RPI
200 -
201 -[[image:image-20220602171233-2.png||height="592" width="881"]]
202 -
203 -Log in to the RPI's terminal and connect to the serial port
204 -
205 -[[image:image-20220602153146-3.png]]
206 -
207 -Press the reset switch RST on the LA66 LoRa Shield.
208 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
209 -
210 -[[image:image-20220602154928-5.png]]
211 -
212 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
213 -
214 -example: AT+SENDB=01,02,8,05820802581ea0a5
215 -
216 -[[image:image-20220602160339-6.png]]
217 -
218 -Check to see if TTN received the message
219 -
220 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
221 -
222 -=== Install Minicom ===
223 -
224 -Enter the following command in the RPI terminal
225 -
226 -apt update
227 -
228 -[[image:image-20220602143155-1.png]]
229 -
230 -apt install minicom
231 -
232 -[[image:image-20220602143744-2.png]]
233 -
234 -=== Send PC's CPU/RAM usage to TTN via script. ===
235 -
236 -==== Take python as an example： ====
237 -
238 -===== Preconditions: =====
239 -
240 -1.LA66 USB LoRaWAN Adapter works fine
241 -
242 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
243 -
244 -===== Steps for usage =====
245 -
246 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
247 -
248 -2.Run the script and see the TTN
249 -
250 -[[image:image-20220602115852-3.png]]
251 -
252 -
253 -
254 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
255 -
256 -
257 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
258 -
259 259  
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