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Last modified by Xiaoling on 2023/09/19 09:20
From version 66.1
edited by Edwin Chen
on 2022/07/02 23:32
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
Content
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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 -== Features ==
20 20  
21 21  
22 -== Specification ==
53 +== 1.2  Features ==
23 23  
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
65 +
66 +
67 +
68 +
69 +== 1.3  Specification ==
70 +
71 +
72 +* CPU: 32-bit 48 MHz
73 +* Flash: 256KB
74 +* RAM: 64KB
24 24  * Input Power Range: 1.8v ~~ 3.7v
25 25  * Power Consumption: < 4uA.
26 26  * Frequency Range: 150 MHz ~~ 960 MHz
... ... @@ -37,220 +37,68 @@
37 37  * I/O Voltage: 3.3v
38 38  
39 39  
40 -== AT Command ==
41 41  
42 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
43 43  
93 +== 1.4  AT Command ==
44 44  
45 -== Dimension ==
46 46  
47 -[[image:image-20220517072526-1.png]]
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]].
48 48  
49 49  
50 -== Pin Mapping ==
51 51  
52 -[[image:image-20220523101537-1.png]]
100 +== 1.5  Dimension ==
53 53  
54 -== Land Pattern ==
55 55  
56 -[[image:image-20220517072821-2.png]]
103 +[[image:image-20220718094750-3.png]]
57 57  
58 58  
59 -== Part Number ==
60 60  
61 -Part Number: **LA66-XXX**
107 +== 1.6  Pin Mapping ==
62 62  
63 -**XX**: The default frequency band
109 +[[image:image-20220720111850-1.png]]
64 64  
65 -* **AS923**: LoRaWAN AS923 band
66 -* **AU915**: LoRaWAN AU915 band
67 -* **EU433**: LoRaWAN EU433 band
68 -* **EU868**: LoRaWAN EU868 band
69 -* **KR920**: LoRaWAN KR920 band
70 -* **US915**: LoRaWAN US915 band
71 -* **IN865**: LoRaWAN IN865 band
72 -* **CN470**: LoRaWAN CN470 band
73 73  
74 -= LA66 LoRaWAN Shield =
75 75  
76 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
113 +== 1.7  Land Pattern ==
77 77  
78 -== Pin Mapping & LED ==
79 79  
80 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
116 +[[image:image-20220517072821-2.png]]
81 81  
82 -== Example: Join TTN network and send an uplink message, get downlink message. ==
83 83  
84 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
85 85  
86 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
120 += 2.  FAQ =
87 87  
88 -=== what needs to be used ===
89 89  
90 -1.LA66 LoRaWAN Shield that needs to be upgraded
123 +== 2.1  How to Compile Source Code for LA66? ==
91 91  
92 -2.Arduino
93 93  
94 -3.USB TO TTL
126 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
95 95  
96 -[[image:image-20220602100052-2.png]]
97 97  
98 -=== Wiring Schematic ===
99 99  
100 -[[image:image-20220602101311-3.png]]
130 +== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
101 101  
102 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
103 103  
104 -GND  >>>>>>>>>>>>GND
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.
105 105  
106 -TXD  >>>>>>>>>>>>TXD
107 107  
108 -RXD  >>>>>>>>>>>>RXD
109 109  
110 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
137 += 3.  Order Info =
111 111  
112 -Connect to the PC after connecting the wires
113 113  
114 -[[image:image-20220602102240-4.png]]
140 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
115 115  
116 -=== Upgrade steps ===
117 117  
118 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
143 +(% style="color:blue" %)**XXX**(%%): The default frequency band
119 119  
120 -[[image:image-20220602102824-5.png]]
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
121 121  
122 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
123 -
124 -[[image:image-20220602104701-12.png]]
125 -
126 -==== Open the upgrade application software ====
127 -
128 -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/]]
129 -
130 -[[image:image-20220602103227-6.png]]
131 -
132 -[[image:image-20220602103357-7.png]]
133 -
134 -===== Select the COM port corresponding to USB TTL =====
135 -
136 -[[image:image-20220602103844-8.png]]
137 -
138 -===== Select the bin file to burn =====
139 -
140 -[[image:image-20220602104144-9.png]]
141 -
142 -[[image:image-20220602104251-10.png]]
143 -
144 -[[image:image-20220602104402-11.png]]
145 -
146 -===== Click to start the download =====
147 -
148 -[[image:image-20220602104923-13.png]]
149 -
150 -===== The following figure appears to prove that the burning is in progress =====
151 -
152 -[[image:image-20220602104948-14.png]]
153 -
154 -===== The following picture appears to prove that the burning is successful =====
155 -
156 -[[image:image-20220602105251-15.png]]
157 -
158 -= LA66 USB LoRaWAN Adapter =
159 -
160 -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.
161 -
162 -Before use, please make sure that the computer has installed the CP2102 driver
163 -
164 -== Pin Mapping & LED ==
165 -
166 -== Example Send & Get Messages via LoRaWAN in PC ==
167 -
168 -Connect the LA66 LoRa Shield to the PC
169 -
170 -[[image:image-20220602171217-1.png||height="615" width="915"]]
171 -
172 -Open the serial port tool
173 -
174 -[[image:image-20220602161617-8.png]]
175 -
176 -[[image:image-20220602161718-9.png||height="529" width="927"]]
177 -
178 -Press the reset switch RST on the LA66 LoRa Shield.
179 -
180 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
181 -
182 -[[image:image-20220602161935-10.png]]
183 -
184 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
185 -
186 -example: AT+SENDB=01,02,8,05820802581ea0a5
187 -
188 -[[image:image-20220602162157-11.png]]
189 -
190 -Check to see if TTN received the message
191 -
192 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
193 -
194 -== Example Send & Get Messages via LoRaWAN in RPi ==
195 -
196 -Connect the LA66 LoRa Shield to the RPI
197 -
198 -[[image:image-20220602171233-2.png||height="592" width="881"]]
199 -
200 -Log in to the RPI's terminal and connect to the serial port
201 -
202 -[[image:image-20220602153146-3.png]]
203 -
204 -Press the reset switch RST on the LA66 LoRa Shield.
205 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
206 -
207 -[[image:image-20220602154928-5.png]]
208 -
209 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
210 -
211 -example: AT+SENDB=01,02,8,05820802581ea0a5
212 -
213 -[[image:image-20220602160339-6.png]]
214 -
215 -Check to see if TTN received the message
216 -
217 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
218 -
219 -=== Install Minicom ===
220 -
221 -Enter the following command in the RPI terminal
222 -
223 -apt update
224 -
225 -[[image:image-20220602143155-1.png]]
226 -
227 -apt install minicom
228 -
229 -[[image:image-20220602143744-2.png]]
230 -
231 -=== Send PC's CPU/RAM usage to TTN via script. ===
232 -
233 -==== Take python as an example： ====
234 -
235 -===== Preconditions: =====
236 -
237 -1.LA66 USB LoRaWAN Adapter works fine
238 -
239 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
240 -
241 -===== Steps for usage =====
242 -
243 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
244 -
245 -2.Run the script and see the TTN
246 -
247 -[[image:image-20220602115852-3.png]]
248 -
249 -
250 -
251 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
252 -
253 -
254 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
255 -
256 256  
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