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Last modified by Xiaoling on 2023/09/19 09:20
From version 149.2
edited by Xiaoling
on 2022/10/21 11:10
Change comment: There is no comment for this version
To version 68.1
edited by Edwin Chen
on 2022/07/02 23:42
Change comment: There is no comment for this version

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Title
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1 -LA66 LoRaWAN Module User Manual
1 +LA66 LoRaWAN Module
Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
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1 -
2 -
3 -**Table of Contents:**
4 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
5 5  {{toc/}}
3 +{{/box}}
6 6  
5 += LA66 LoRaWAN Module =
7 7  
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 -(((
25 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 -)))
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 -)))
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.
34 34  
35 -(((
36 -(((
37 37  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 -)))
39 39  
40 -(((
41 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 -)))
44 44  
45 -(((
46 -(((
47 47  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
48 -)))
49 -)))
50 50  
51 51  
20 +== Features ==
52 52  
53 -== 1.2  Features ==
54 -
55 -
56 -* Support LoRaWAN v1.0.3 protocol
22 +* Support LoRaWAN v1.0.4 protocol
57 57  * Support peer-to-peer protocol
58 58  * TCXO crystal to ensure RF performance on low temperature
59 59  * SMD Antenna pad and i-pex antenna connector
60 60  * Available in different frequency LoRaWAN frequency bands.
61 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 65  
66 66  
67 67  
68 -== 1.3  Specification ==
69 69  
32 +== Specification ==
70 70  
71 71  * CPU: 32-bit 48 MHz
72 72  * Flash: 256KB
... ... @@ -86,113 +86,222 @@
86 86  * LoRa Rx current: <9 mA
87 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 +== Dimension ==
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>>https://www.dropbox.com/sh/wtq43za8sykpgta/AABAEE02uEAsRU-JV7bzEhMba?dl=0]].
59 +[[image:image-20220517072526-1.png]]
95 95  
96 96  
62 +== Pin Mapping ==
97 97  
98 -== 1.5  Dimension ==
64 +[[image:image-20220523101537-1.png]]
99 99  
66 +== Land Pattern ==
100 100  
101 -[[image:image-20220718094750-3.png]]
68 +[[image:image-20220517072821-2.png]]
102 102  
103 103  
71 +== Part Number ==
104 104  
105 -== 1.6  Pin Mapping ==
73 +Part Number: **LA66-XXX**
106 106  
107 -[[image:image-20220720111850-1.png]]
75 +**XX**: The default frequency band
108 108  
77 +* **AS923**: LoRaWAN AS923 band
78 +* **AU915**: LoRaWAN AU915 band
79 +* **EU433**: LoRaWAN EU433 band
80 +* **EU868**: LoRaWAN EU868 band
81 +* **KR920**: LoRaWAN KR920 band
82 +* **US915**: LoRaWAN US915 band
83 +* **IN865**: LoRaWAN IN865 band
84 +* **CN470**: LoRaWAN CN470 band
85 +* **PP**: Peer to Peer LoRa Protocol
109 109  
110 110  
111 -== 1.7  Land Pattern ==
88 += LA66 LoRaWAN Shield =
112 112  
90 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
113 113  
114 -[[image:image-20220517072821-2.png]]
92 +== Pin Mapping & LED ==
115 115  
94 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
116 116  
96 +== Example: Join TTN network and send an uplink message, get downlink message. ==
117 117  
118 -= 2.  FAQ =
98 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
119 119  
100 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
120 120  
121 -== 2.1  Where to find examples of how to use LA66? ==
102 +=== what needs to be used ===
122 122  
104 +1.LA66 LoRaWAN Shield that needs to be upgraded
123 123  
124 -(% class="wikigeneratedid" %)
125 -Below products are made by LA66. User can use their examples as reference:
106 +2.Arduino
126 126  
127 -* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
128 -* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
108 +3.USB TO TTL
129 129  
110 +[[image:image-20220602100052-2.png]]
130 130  
112 +=== Wiring Schematic ===
131 131  
132 -== 2.2  How to Compile Source Code for LA66? ==
114 +[[image:image-20220602101311-3.png]]
133 133  
116 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
134 134  
135 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
118 +GND  >>>>>>>>>>>>GND
136 136  
120 +TXD  >>>>>>>>>>>>TXD
137 137  
122 +RXD  >>>>>>>>>>>>RXD
138 138  
139 -== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
124 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
140 140  
126 +Connect to the PC after connecting the wires
141 141  
142 -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.
128 +[[image:image-20220602102240-4.png]]
143 143  
130 +=== Upgrade steps ===
144 144  
132 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
145 145  
146 -== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
134 +[[image:image-20220602102824-5.png]]
147 147  
136 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
148 148  
149 -Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.Instruction for LA66 Peer to Peer firmware.WebHome]]
138 +[[image:image-20220602104701-12.png]]
150 150  
140 +==== Open the upgrade application software ====
151 151  
142 +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/]]
152 152  
153 -= 3.  Order Info =
144 +[[image:image-20220602103227-6.png]]
154 154  
146 +[[image:image-20220602103357-7.png]]
155 155  
156 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
148 +===== Select the COM port corresponding to USB TTL =====
157 157  
150 +[[image:image-20220602103844-8.png]]
158 158  
159 -(% style="color:blue" %)**XXX**(%%): The default frequency band
152 +===== Select the bin file to burn =====
160 160  
161 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
162 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
163 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
164 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
165 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
166 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
167 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
168 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
169 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
154 +[[image:image-20220602104144-9.png]]
170 170  
156 +[[image:image-20220602104251-10.png]]
171 171  
158 +[[image:image-20220602104402-11.png]]
172 172  
173 -= 4.  FCC Statement =
160 +===== Click to start the download =====
174 174  
162 +[[image:image-20220602104923-13.png]]
175 175  
176 -(% style="color:red" %)**FCC Caution:**
164 +===== The following figure appears to prove that the burning is in progress =====
177 177  
178 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
166 +[[image:image-20220602104948-14.png]]
179 179  
180 -This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
168 +===== The following picture appears to prove that the burning is successful =====
181 181  
170 +[[image:image-20220602105251-15.png]]
182 182  
183 -(% style="color:red" %)**IMPORTANT NOTE: **
172 += LA66 USB LoRaWAN Adapter =
184 184  
185 -(% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
174 +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.
186 186  
187 -—Reorient or relocate the receiving antenna.
176 +Before use, please make sure that the computer has installed the CP2102 driver
188 188  
189 -—Increase the separation between the equipment and receiver.
178 +== Pin Mapping & LED ==
190 190  
191 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
180 +== Example Send & Get Messages via LoRaWAN in PC ==
192 192  
193 -—Consult the dealer or an experienced radio/TV technician for help.
182 +Connect the LA66 LoRa Shield to the PC
194 194  
184 +[[image:image-20220602171217-1.png||height="615" width="915"]]
195 195  
196 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
186 +Open the serial port tool
197 197  
198 -This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
188 +[[image:image-20220602161617-8.png]]
189 +
190 +[[image:image-20220602161718-9.png||height="529" width="927"]]
191 +
192 +Press the reset switch RST on the LA66 LoRa Shield.
193 +
194 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
195 +
196 +[[image:image-20220602161935-10.png]]
197 +
198 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
199 +
200 +example: AT+SENDB=01,02,8,05820802581ea0a5
201 +
202 +[[image:image-20220602162157-11.png]]
203 +
204 +Check to see if TTN received the message
205 +
206 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
207 +
208 +== Example Send & Get Messages via LoRaWAN in RPi ==
209 +
210 +Connect the LA66 LoRa Shield to the RPI
211 +
212 +[[image:image-20220602171233-2.png||height="592" width="881"]]
213 +
214 +Log in to the RPI's terminal and connect to the serial port
215 +
216 +[[image:image-20220602153146-3.png]]
217 +
218 +Press the reset switch RST on the LA66 LoRa Shield.
219 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
220 +
221 +[[image:image-20220602154928-5.png]]
222 +
223 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
224 +
225 +example: AT+SENDB=01,02,8,05820802581ea0a5
226 +
227 +[[image:image-20220602160339-6.png]]
228 +
229 +Check to see if TTN received the message
230 +
231 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
232 +
233 +=== Install Minicom ===
234 +
235 +Enter the following command in the RPI terminal
236 +
237 +apt update
238 +
239 +[[image:image-20220602143155-1.png]]
240 +
241 +apt install minicom
242 +
243 +[[image:image-20220602143744-2.png]]
244 +
245 +=== Send PC's CPU/RAM usage to TTN via script. ===
246 +
247 +==== Take python as an example： ====
248 +
249 +===== Preconditions: =====
250 +
251 +1.LA66 USB LoRaWAN Adapter works fine
252 +
253 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
254 +
255 +===== Steps for usage =====
256 +
257 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
258 +
259 +2.Run the script and see the TTN
260 +
261 +[[image:image-20220602115852-3.png]]
262 +
263 +
264 +
265 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
266 +
267 +
268 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
269 +
270 +
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