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Last modified by Xiaoling on 2023/09/19 09:20
From version 70.1
edited by Edwin Chen
on 2022/07/02 23:51
Change comment: There is no comment for this version
To version 148.3
edited by Xiaoling
on 2022/09/15 10:47
Change comment: There is no comment for this version

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Title
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1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Module User Manual
Author
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
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1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
1 +
2 +
3 +**Table of Contents:**
4 +
2 2  {{toc/}}
3 -{{/box}}
4 4  
5 -= LA66 LoRaWAN Module =
6 6  
7 -== What is LA66 LoRaWAN Module ==
8 8  
9 += 1.  LA66 LoRaWAN Module =
10 +
11 +
12 +== 1.1  What is LA66 LoRaWAN Module ==
13 +
14 +
15 +(((
16 +(((
17 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 +)))
19 +
20 +(((
21 +
22 +)))
23 +
24 +(((
9 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.
26 +)))
27 +)))
10 10  
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.
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 +)))
12 12  
35 +(((
36 +(((
13 13  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 +)))
14 14  
40 +(((
15 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.
42 +)))
43 +)))
16 16  
45 +(((
46 +(((
17 17  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
48 +)))
49 +)))
18 18  
19 19  
20 -== Features ==
21 21  
22 -* Support LoRaWAN v1.0.4 protocol
53 +== 1.2  Features ==
54 +
55 +
56 +* Support LoRaWAN v1.0.3 protocol
23 23  * Support peer-to-peer protocol
24 24  * TCXO crystal to ensure RF performance on low temperature
25 25  * SMD Antenna pad and i-pex antenna connector
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31 31  
32 32  
33 33  
34 -== Specification ==
35 35  
69 +== 1.3  Specification ==
70 +
71 +
36 36  * CPU: 32-bit 48 MHz
37 37  * Flash: 256KB
38 38  * RAM: 64KB
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51 51  * LoRa Rx current: <9 mA
52 52  * I/O Voltage: 3.3v
53 53  
54 -== AT Command ==
55 55  
56 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
57 57  
58 58  
59 -== Dimension ==
93 +== 1.4  AT Command ==
60 60  
61 -[[image:image-20220517072526-1.png]]
62 62  
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>>https://www.dropbox.com/sh/wtq43za8sykpgta/AABAEE02uEAsRU-JV7bzEhMba?dl=0]].
63 63  
64 -== Pin Mapping ==
65 65  
66 -[[image:image-20220523101537-1.png]]
67 67  
68 -== Land Pattern ==
100 +== 1.5  Dimension ==
69 69  
70 -[[image:image-20220517072821-2.png]]
71 71  
103 +[[image:image-20220718094750-3.png]]
72 72  
73 -== Part Number ==
74 74  
75 -Part Number: **LA66-XXX**
76 76  
77 -**XX**: The default frequency band
107 +== 1.6  Pin Mapping ==
78 78  
79 -* **AS923**: LoRaWAN AS923 band
80 -* **AU915**: LoRaWAN AU915 band
81 -* **EU433**: LoRaWAN EU433 band
82 -* **EU868**: LoRaWAN EU868 band
83 -* **KR920**: LoRaWAN KR920 band
84 -* **US915**: LoRaWAN US915 band
85 -* **IN865**: LoRaWAN IN865 band
86 -* **CN470**: LoRaWAN CN470 band
87 -* **PP**: Peer to Peer LoRa Protocol
109 +[[image:image-20220720111850-1.png]]
88 88  
89 -= LA66 LoRaWAN Shield =
90 90  
91 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
92 92  
93 -== Pin Mapping & LED ==
113 +== 1.7  Land Pattern ==
94 94  
95 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
96 96  
97 -== Example: Join TTN network and send an uplink message, get downlink message. ==
116 +[[image:image-20220517072821-2.png]]
98 98  
99 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
100 100  
101 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
102 102  
103 -=== what needs to be used ===
120 += 2.  FAQ =
104 104  
105 -1.LA66 LoRaWAN Shield that needs to be upgraded
106 106  
107 -2.Arduino
123 +== 2.1  How to Compile Source Code for LA66? ==
108 108  
109 -3.USB TO TTL
110 110  
111 -[[image:image-20220602100052-2.png]]
126 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
112 112  
113 -=== Wiring Schematic ===
114 114  
115 -[[image:image-20220602101311-3.png]]
116 116  
117 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
130 +== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
118 118  
119 -GND  >>>>>>>>>>>>GND
120 120  
121 -TXD  >>>>>>>>>>>>TXD
133 +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.
122 122  
123 -RXD  >>>>>>>>>>>>RXD
124 124  
125 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
126 126  
127 -Connect to the PC after connecting the wires
137 += 3.  Order Info =
128 128  
129 -[[image:image-20220602102240-4.png]]
130 130  
131 -=== Upgrade steps ===
140 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
132 132  
133 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
134 134  
135 -[[image:image-20220602102824-5.png]]
143 +(% style="color:blue" %)**XXX**(%%): The default frequency band
136 136  
137 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
145 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
146 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
147 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
148 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
149 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
150 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
151 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
152 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
153 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
138 138  
139 -[[image:image-20220602104701-12.png]]
140 -
141 -==== Open the upgrade application software ====
142 -
143 -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/]]
144 -
145 -[[image:image-20220602103227-6.png]]
146 -
147 -[[image:image-20220602103357-7.png]]
148 -
149 -===== Select the COM port corresponding to USB TTL =====
150 -
151 -[[image:image-20220602103844-8.png]]
152 -
153 -===== Select the bin file to burn =====
154 -
155 -[[image:image-20220602104144-9.png]]
156 -
157 -[[image:image-20220602104251-10.png]]
158 -
159 -[[image:image-20220602104402-11.png]]
160 -
161 -===== Click to start the download =====
162 -
163 -[[image:image-20220602104923-13.png]]
164 -
165 -===== The following figure appears to prove that the burning is in progress =====
166 -
167 -[[image:image-20220602104948-14.png]]
168 -
169 -===== The following picture appears to prove that the burning is successful =====
170 -
171 -[[image:image-20220602105251-15.png]]
172 -
173 -= LA66 USB LoRaWAN Adapter =
174 -
175 -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.
176 -
177 -Before use, please make sure that the computer has installed the CP2102 driver
178 -
179 -== Pin Mapping & LED ==
180 -
181 -== Example Send & Get Messages via LoRaWAN in PC ==
182 -
183 -Connect the LA66 LoRa Shield to the PC
184 -
185 -[[image:image-20220602171217-1.png||height="615" width="915"]]
186 -
187 -Open the serial port tool
188 -
189 -[[image:image-20220602161617-8.png]]
190 -
191 -[[image:image-20220602161718-9.png||height="529" width="927"]]
192 -
193 -Press the reset switch RST on the LA66 LoRa Shield.
194 -
195 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
196 -
197 -[[image:image-20220602161935-10.png]]
198 -
199 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
200 -
201 -example: AT+SENDB=01,02,8,05820802581ea0a5
202 -
203 -[[image:image-20220602162157-11.png]]
204 -
205 -Check to see if TTN received the message
206 -
207 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
208 -
209 -== Example Send & Get Messages via LoRaWAN in RPi ==
210 -
211 -Connect the LA66 LoRa Shield to the RPI
212 -
213 -[[image:image-20220602171233-2.png||height="592" width="881"]]
214 -
215 -Log in to the RPI's terminal and connect to the serial port
216 -
217 -[[image:image-20220602153146-3.png]]
218 -
219 -Press the reset switch RST on the LA66 LoRa Shield.
220 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
221 -
222 -[[image:image-20220602154928-5.png]]
223 -
224 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
225 -
226 -example: AT+SENDB=01,02,8,05820802581ea0a5
227 -
228 -[[image:image-20220602160339-6.png]]
229 -
230 -Check to see if TTN received the message
231 -
232 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
233 -
234 -=== Install Minicom ===
235 -
236 -Enter the following command in the RPI terminal
237 -
238 -apt update
239 -
240 -[[image:image-20220602143155-1.png]]
241 -
242 -apt install minicom
243 -
244 -[[image:image-20220602143744-2.png]]
245 -
246 -=== Send PC's CPU/RAM usage to TTN via script. ===
247 -
248 -==== Take python as an example： ====
249 -
250 -===== Preconditions: =====
251 -
252 -1.LA66 USB LoRaWAN Adapter works fine
253 -
254 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
255 -
256 -===== Steps for usage =====
257 -
258 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
259 -
260 -2.Run the script and see the TTN
261 -
262 -[[image:image-20220602115852-3.png]]
263 -
264 -
265 -
266 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
267 -
268 -
269 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
270 -
271 271  
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