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Last modified by Xiaoling on 2023/09/19 09:20
From version 146.3
edited by Xiaoling
on 2022/08/16 13:49
Change comment: There is no comment for this version
To version 63.1
edited by Herong Lu
on 2022/06/02 17:23
Change comment: There is no comment for this version

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1 -LA66 LoRaWAN Module User Manual
1 +LA66 LoRaWAN Module
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1 -XWiki.Xiaoling
1 +XWiki.Lu
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1 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
2 +{{toc/}}
3 +{{/box}}
2 2  
3 -**Table of Contents:**
5 += LA66 LoRaWAN Module =
4 4  
5 -{{toc/}}
7 +== What is LA66 LoRaWAN Module ==
6 6  
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.
7 7  
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.
8 8  
9 -= 1.  LA66 LoRaWAN Module =
13 +**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
10 10  
11 11  
12 -== 1.1  What is LA66 LoRaWAN Module ==
13 13  
17 +== Specification ==
14 14  
15 -(((
16 -(((
17 -[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 -)))
19 +[[image:image-20220517072526-1.png]]
19 19  
20 -(((
21 -
22 -)))
21 +Input Power Range: 1.8v ~~ 3.7v
23 23  
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 -)))
23 +Power Consumption: < 4uA.
28 28  
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 -)))
25 +Frequency Range: 150 MHz ~~ 960 MHz
34 34  
35 -(((
36 -(((
37 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 -)))
27 +Maximum Power +22 dBm constant RF output
39 39  
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 -)))
29 +High sensitivity: -148 dBm
44 44  
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 -)))
31 +Temperature:
50 50  
33 +* Storage: -55 ~~ +125℃
34 +* Operating: -40 ~~ +85℃
51 51  
36 +Humidity:
52 52  
53 -== 1.2  Features ==
38 +* Storage: 5 ~~ 95% (Non-Condensing)
39 +* Operating: 10 ~~ 95% (Non-Condensing)
54 54  
41 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
55 55  
56 -* Support LoRaWAN v1.0.4 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
43 +LoRa Rx current: <9 mA
65 65  
45 +I/O Voltage: 3.3v
66 66  
67 67  
48 +== AT Command ==
68 68  
69 -== 1.3  Specification ==
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.
70 70  
71 71  
72 -* CPU: 32-bit 48 MHz
73 -* Flash: 256KB
74 -* RAM: 64KB
75 -* Input Power Range: 1.8v ~~ 3.7v
76 -* Power Consumption: < 4uA.
77 -* Frequency Range: 150 MHz ~~ 960 MHz
78 -* Maximum Power +22 dBm constant RF output
79 -* High sensitivity: -148 dBm
80 -* Temperature:
81 -** Storage: -55 ~~ +125℃
82 -** Operating: -40 ~~ +85℃
83 -* Humidity:
84 -** Storage: 5 ~~ 95% (Non-Condensing)
85 -** Operating: 10 ~~ 95% (Non-Condensing)
86 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
87 -* LoRa Rx current: <9 mA
88 -* I/O Voltage: 3.3v
53 +== Pin Mapping ==
89 89  
55 +[[image:image-20220523101537-1.png]]
90 90  
57 +== Land Pattern ==
91 91  
59 +[[image:image-20220517072821-2.png]]
92 92  
93 -== 1.4  AT Command ==
94 94  
62 +== Part Number ==
95 95  
96 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
64 +Part Number: **LA66-XXX**
97 97  
66 +**XX**: The default frequency band
98 98  
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
99 99  
100 -== 1.5  Dimension ==
77 += LA66 LoRaWAN Shield =
101 101  
79 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
102 102  
103 -[[image:image-20220718094750-3.png]]
81 +== Pin Mapping & LED ==
104 104  
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
105 105  
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
106 106  
107 -== 1.6  Pin Mapping ==
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
108 108  
109 -[[image:image-20220720111850-1.png]]
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
110 110  
91 +=== what needs to be used ===
111 111  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
112 112  
113 -== 1.7  Land Pattern ==
95 +2.Arduino
114 114  
97 +3.USB TO TTL
115 115  
116 -[[image:image-20220517072821-2.png]]
99 +[[image:image-20220602100052-2.png]]
117 117  
101 +=== Wiring Schematic ===
118 118  
103 +[[image:image-20220602101311-3.png]]
119 119  
120 -= 2.  FAQ =
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
121 121  
107 +GND  >>>>>>>>>>>>GND
122 122  
123 -== 2.1  How to Compile Source Code for LA66? ==
109 +TXD  >>>>>>>>>>>>TXD
124 124  
111 +RXD  >>>>>>>>>>>>RXD
125 125  
126 -Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
127 127  
115 +Connect to the PC after connecting the wires
128 128  
117 +[[image:image-20220602102240-4.png]]
129 129  
130 -= 3.  Order Info =
119 +=== Upgrade steps ===
131 131  
121 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
132 132  
133 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
123 +[[image:image-20220602102824-5.png]]
134 134  
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
135 135  
136 -(% style="color:blue" %)**XXX**(%%): The default frequency band
127 +[[image:image-20220602104701-12.png]]
137 137  
138 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
139 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
140 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
141 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
142 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
143 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
144 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
145 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
146 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
129 +==== Open the upgrade application software ====
147 147  
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/]]
148 148  
133 +[[image:image-20220602103227-6.png]]
149 149  
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 +
150 150  
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