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Last modified by Xiaoling on 2023/09/19 09:20
From version 147.1
edited by Edwin Chen
on 2022/09/09 15:38
Change comment: There is no comment for this version
To version 64.1
edited by Edwin Chen
on 2022/07/02 21:03
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 -
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 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.
7 7  
11 +**LA66 **is a ready-to-use module that includes the 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 for developers to make a LoRaWAN End device. 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 =
10 10  
14 +LA66 is equipped with **TCXO crystal** which ensures the module can achieve the stable performance in extreme temperatures.
11 11  
12 -== 1.1  What is LA66 LoRaWAN Module ==
13 13  
17 +**Each LA66 **module includes a world-unique OTAA key for LoRaWAN registration.
14 14  
15 -(((
16 -(((
17 -[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 -)))
19 19  
20 -(((
21 -
22 -)))
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 -)))
21 +== Specification ==
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 -)))
23 +[[image:image-20220517072526-1.png]]
34 34  
35 -(((
36 -(((
37 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 -)))
25 +Input Power Range: 1.8v ~~ 3.7v
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 -)))
27 +Power Consumption: < 4uA.
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 -)))
29 +Frequency Range: 150 MHz ~~ 960 MHz
50 50  
31 +Maximum Power +22 dBm constant RF output
51 51  
33 +High sensitivity: -148 dBm
52 52  
53 -== 1.2  Features ==
35 +Temperature:
54 54  
37 +* Storage: -55 ~~ +125℃
38 +* Operating: -40 ~~ +85℃
55 55  
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
40 +Humidity:
65 65  
42 +* Storage: 5 ~~ 95% (Non-Condensing)
43 +* Operating: 10 ~~ 95% (Non-Condensing)
66 66  
45 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
67 67  
68 -== 1.3  Specification ==
47 +LoRa Rx current: <9 mA
69 69  
49 +I/O Voltage: 3.3v
70 70  
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
88 88  
52 +== AT Command ==
89 89  
54 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
90 90  
91 -== 1.4  AT Command ==
92 92  
57 +== Pin Mapping ==
93 93  
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.
59 +[[image:image-20220523101537-1.png]]
95 95  
61 +== Land Pattern ==
96 96  
63 +[[image:image-20220517072821-2.png]]
97 97  
98 -== 1.5  Dimension ==
99 99  
66 +== Part Number ==
100 100  
101 -[[image:image-20220718094750-3.png]]
68 +Part Number: **LA66-XXX**
102 102  
70 +**XX**: The default frequency band
103 103  
72 +* **AS923**: LoRaWAN AS923 band
73 +* **AU915**: LoRaWAN AU915 band
74 +* **EU433**: LoRaWAN EU433 band
75 +* **EU868**: LoRaWAN EU868 band
76 +* **KR920**: LoRaWAN KR920 band
77 +* **US915**: LoRaWAN US915 band
78 +* **IN865**: LoRaWAN IN865 band
79 +* **CN470**: LoRaWAN CN470 band
104 104  
105 -== 1.6  Pin Mapping ==
81 += LA66 LoRaWAN Shield =
106 106  
107 -[[image:image-20220720111850-1.png]]
83 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
108 108  
85 +== Pin Mapping & LED ==
109 109  
87 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
110 110  
111 -== 1.7  Land Pattern ==
89 +== Example: Join TTN network and send an uplink message, get downlink message. ==
112 112  
91 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
113 113  
114 -[[image:image-20220517072821-2.png]]
93 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
115 115  
95 +=== what needs to be used ===
116 116  
97 +1.LA66 LoRaWAN Shield that needs to be upgraded
117 117  
118 -= 2.  FAQ =
99 +2.Arduino
119 119  
101 +3.USB TO TTL
120 120  
121 -== 2.1  How to Compile Source Code for LA66? ==
103 +[[image:image-20220602100052-2.png]]
122 122  
105 +=== Wiring Schematic ===
123 123  
124 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
107 +[[image:image-20220602101311-3.png]]
125 125  
109 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
126 126  
127 -== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
111 +GND  >>>>>>>>>>>>GND
128 128  
129 -Yes, this is possible, user can refer[[ the source code from ASR >>https://github.com/asrlora/asr_lora_6601/tree/master/projects/ASR6601SE-EVAL/examples/lora]]to get examples for how to its I/O Interfaces.
113 +TXD  >>>>>>>>>>>>TXD
130 130  
115 +RXD  >>>>>>>>>>>>RXD
131 131  
132 -= 3.  Order Info =
117 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
133 133  
119 +Connect to the PC after connecting the wires
134 134  
135 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
121 +[[image:image-20220602102240-4.png]]
136 136  
123 +=== Upgrade steps ===
137 137  
138 -(% style="color:blue" %)**XXX**(%%): The default frequency band
125 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
139 139  
140 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
141 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
142 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
143 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
144 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
145 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
146 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
147 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
148 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
127 +[[image:image-20220602102824-5.png]]
149 149  
129 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
130 +
131 +[[image:image-20220602104701-12.png]]
132 +
133 +==== Open the upgrade application software ====
134 +
135 +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/]]
136 +
137 +[[image:image-20220602103227-6.png]]
138 +
139 +[[image:image-20220602103357-7.png]]
140 +
141 +===== Select the COM port corresponding to USB TTL =====
142 +
143 +[[image:image-20220602103844-8.png]]
144 +
145 +===== Select the bin file to burn =====
146 +
147 +[[image:image-20220602104144-9.png]]
148 +
149 +[[image:image-20220602104251-10.png]]
150 +
151 +[[image:image-20220602104402-11.png]]
152 +
153 +===== Click to start the download =====
154 +
155 +[[image:image-20220602104923-13.png]]
156 +
157 +===== The following figure appears to prove that the burning is in progress =====
158 +
159 +[[image:image-20220602104948-14.png]]
160 +
161 +===== The following picture appears to prove that the burning is successful =====
162 +
163 +[[image:image-20220602105251-15.png]]
164 +
165 += LA66 USB LoRaWAN Adapter =
166 +
167 +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.
168 +
169 +Before use, please make sure that the computer has installed the CP2102 driver
170 +
171 +== Pin Mapping & LED ==
172 +
173 +== Example Send & Get Messages via LoRaWAN in PC ==
174 +
175 +Connect the LA66 LoRa Shield to the PC
176 +
177 +[[image:image-20220602171217-1.png||height="615" width="915"]]
178 +
179 +Open the serial port tool
180 +
181 +[[image:image-20220602161617-8.png]]
182 +
183 +[[image:image-20220602161718-9.png||height="529" width="927"]]
184 +
185 +Press the reset switch RST on the LA66 LoRa Shield.
186 +
187 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
188 +
189 +[[image:image-20220602161935-10.png]]
190 +
191 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
192 +
193 +example: AT+SENDB=01,02,8,05820802581ea0a5
194 +
195 +[[image:image-20220602162157-11.png]]
196 +
197 +Check to see if TTN received the message
198 +
199 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
200 +
201 +== Example Send & Get Messages via LoRaWAN in RPi ==
202 +
203 +Connect the LA66 LoRa Shield to the RPI
204 +
205 +[[image:image-20220602171233-2.png||height="592" width="881"]]
206 +
207 +Log in to the RPI's terminal and connect to the serial port
208 +
209 +[[image:image-20220602153146-3.png]]
210 +
211 +Press the reset switch RST on the LA66 LoRa Shield.
212 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
213 +
214 +[[image:image-20220602154928-5.png]]
215 +
216 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
217 +
218 +example: AT+SENDB=01,02,8,05820802581ea0a5
219 +
220 +[[image:image-20220602160339-6.png]]
221 +
222 +Check to see if TTN received the message
223 +
224 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
225 +
226 +=== Install Minicom ===
227 +
228 +Enter the following command in the RPI terminal
229 +
230 +apt update
231 +
232 +[[image:image-20220602143155-1.png]]
233 +
234 +apt install minicom
235 +
236 +[[image:image-20220602143744-2.png]]
237 +
238 +=== Send PC's CPU/RAM usage to TTN via script. ===
239 +
240 +==== Take python as an example： ====
241 +
242 +===== Preconditions: =====
243 +
244 +1.LA66 USB LoRaWAN Adapter works fine
245 +
246 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
247 +
248 +===== Steps for usage =====
249 +
250 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
251 +
252 +2.Run the script and see the TTN
253 +
254 +[[image:image-20220602115852-3.png]]
255 +
256 +
257 +
258 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
259 +
260 +
261 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
262 +
150 150  
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