Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 30.1 >
edited by Herong Lu
on 2022/06/02 10:49
To version < 5.1 >
edited by Edwin Chen
on 2022/05/17 07:28
>
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2 2  {{toc/}}
3 3  {{/box}}
4 4  
5 -= LA66 LoRaWAN Module =
5 += What is LA66 LoRaWAN Module =
6 6  
7 -== What is LA66 LoRaWAN Module ==
8 -
9 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 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.
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14 14  
15 15  
16 16  
17 -== Specification ==
15 += Specification =
18 18  
19 19  [[image:image-20220517072526-1.png]]
20 20  
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45 45  I/O Voltage: 3.3v
46 46  
47 47  
48 -== AT Command ==
46 += AT Command =
49 49  
50 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  
52 52  
53 -== Pin Mapping ==
51 += Pin Mapping =
54 54  
55 -[[image:image-20220523101537-1.png]]
56 56  
57 -== Land Pattern ==
54 += Land Pattern =
58 58  
59 59  [[image:image-20220517072821-2.png]]
60 60  
61 61  
62 -== Part Number ==
59 += Part Number =
63 63  
64 64  Part Number: **LA66-XXX**
65 65  
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73 73  * **US915**: LoRaWAN US915 band
74 74  * **IN865**: LoRaWAN IN865 band
75 75  * **CN470**: LoRaWAN CN470 band
76 -
77 -= LA66 LoRaWAN Shield =
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 -
81 -== Pin Mapping & LED ==
82 -
83 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
84 -
85 -== Example: Join TTN network and send an uplink message, get downlink message. ==
86 -
87 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
88 -
89 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
90 -
91 -=== what needs to be used ===
92 -
93 -1.LA66 LoRaWAN Shield that needs to be upgraded
94 -
95 -2.Arduino
96 -
97 -3.USB TO TTL
98 -
99 -[[image:image-20220602100052-2.png]]
100 -
101 -=== Wiring Schematic ===
102 -
103 -[[image:image-20220602101311-3.png]]
104 -
105 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
106 -
107 -GND  >>>>>>>>>>>>GND
108 -
109 -TXD  >>>>>>>>>>>>TXD
110 -
111 -RXD  >>>>>>>>>>>>RXD
112 -
113 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
114 -
115 -Connect to the PC after connecting the wires
116 -
117 -[[image:image-20220602102240-4.png]]
118 -
119 -=== Upgrade steps ===
120 -
121 -
122 -= LA66 USB LoRaWAN Adapter =
123 -
124 -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.
125 -
126 -== Pin Mapping & LED ==
127 -
128 -== Example Send & Get Messages via LoRaWAN in PC ==
129 -
130 -== Example Send & Get Messages via LoRaWAN in RPi ==
131 -
132 -=== Install USB Driver ===
133 -
134 -=== Install Minicom ===
135 -
136 -=== Use AT Command to send an uplink message. ===
137 -
138 -=== Send CPU/RAM usage to TTN via a script. ===
139 -
140 -
141 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
142 -
143 -
144 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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