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Last modified by Xiaoling on 2023/09/19 09:20
From version 67.1
edited by Edwin Chen
on 2022/07/02 23:33
Change comment: There is no comment for this version
To version 148.7
edited by Xiaoling
on 2022/10/10 11:34
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 19  
20 -== Features ==
21 21  
53 +== 1.2  Features ==
22 22  
23 23  
24 -== Specification ==
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
25 25  
66 +
67 +
68 +== 1.3  Specification ==
69 +
70 +
71 +* CPU: 32-bit 48 MHz
72 +* Flash: 256KB
73 +* RAM: 64KB
26 26  * Input Power Range: 1.8v ~~ 3.7v
27 27  * Power Consumption: < 4uA.
28 28  * Frequency Range: 150 MHz ~~ 960 MHz
... ... @@ -38,220 +38,103 @@
38 38  * LoRa Rx current: <9 mA
39 39  * I/O Voltage: 3.3v
40 40  
41 -== AT Command ==
42 42  
43 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
44 44  
91 +== 1.4  AT Command ==
45 45  
46 -== Dimension ==
47 47  
48 -[[image:image-20220517072526-1.png]]
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]].
49 49  
50 50  
51 -== Pin Mapping ==
52 52  
53 -[[image:image-20220523101537-1.png]]
98 +== 1.5  Dimension ==
54 54  
55 -== Land Pattern ==
56 56  
57 -[[image:image-20220517072821-2.png]]
101 +[[image:image-20220718094750-3.png]]
58 58  
59 59  
60 -== Part Number ==
61 61  
62 -Part Number: **LA66-XXX**
105 +== 1.6  Pin Mapping ==
63 63  
64 -**XX**: The default frequency band
107 +[[image:image-20220720111850-1.png]]
65 65  
66 -* **AS923**: LoRaWAN AS923 band
67 -* **AU915**: LoRaWAN AU915 band
68 -* **EU433**: LoRaWAN EU433 band
69 -* **EU868**: LoRaWAN EU868 band
70 -* **KR920**: LoRaWAN KR920 band
71 -* **US915**: LoRaWAN US915 band
72 -* **IN865**: LoRaWAN IN865 band
73 -* **CN470**: LoRaWAN CN470 band
74 74  
75 -= LA66 LoRaWAN Shield =
76 76  
77 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
111 +== 1.7  Land Pattern ==
78 78  
79 -== Pin Mapping & LED ==
80 80  
81 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
114 +[[image:image-20220517072821-2.png]]
82 82  
83 -== Example: Join TTN network and send an uplink message, get downlink message. ==
84 84  
85 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
86 86  
87 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
118 += 2.  FAQ =
88 88  
89 -=== what needs to be used ===
90 90  
91 -1.LA66 LoRaWAN Shield that needs to be upgraded
121 +== 2.1  How to Compile Source Code for LA66? ==
92 92  
93 -2.Arduino
94 94  
95 -3.USB TO TTL
124 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
96 96  
97 -[[image:image-20220602100052-2.png]]
98 98  
99 -=== Wiring Schematic ===
100 100  
101 -[[image:image-20220602101311-3.png]]
128 +== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
102 102  
103 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
104 104  
105 -GND  >>>>>>>>>>>>GND
131 +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.
106 106  
107 -TXD  >>>>>>>>>>>>TXD
108 108  
109 -RXD  >>>>>>>>>>>>RXD
110 110  
111 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
135 +== 2.3  Where to find Peer-to-Peer firmware of LA66? ==
112 112  
113 -Connect to the PC after connecting the wires
114 114  
115 -[[image:image-20220602102240-4.png]]
138 +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]]
116 116  
117 -=== Upgrade steps ===
118 118  
119 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
120 120  
121 -[[image:image-20220602102824-5.png]]
142 += 3.  Order Info =
122 122  
123 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
124 124  
125 -[[image:image-20220602104701-12.png]]
145 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
126 126  
127 -==== Open the upgrade application software ====
128 128  
129 -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/]]
148 +(% style="color:blue" %)**XXX**(%%): The default frequency band
130 130  
131 -[[image:image-20220602103227-6.png]]
150 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
151 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
152 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
153 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
154 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
155 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
156 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
157 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
158 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
132 132  
133 -[[image:image-20220602103357-7.png]]
134 134  
135 -===== Select the COM port corresponding to USB TTL =====
136 136  
137 -[[image:image-20220602103844-8.png]]
138 138  
139 -===== Select the bin file to burn =====
163 += 4.  FCC Statement =
140 140  
141 -[[image:image-20220602104144-9.png]]
142 142  
143 -[[image:image-20220602104251-10.png]]
166 +(% style="color:red" %)**FCC Caution:**
144 144  
145 -[[image:image-20220602104402-11.png]]
168 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
146 146  
147 -===== Click to start the download =====
170 +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.
148 148  
149 -[[image:image-20220602104923-13.png]]
150 150  
151 -===== The following figure appears to prove that the burning is in progress =====
173 +(% style="color:red" %)**IMPORTANT NOTE: **
152 152  
153 -[[image:image-20220602104948-14.png]]
175 +(% 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:
154 154  
155 -===== The following picture appears to prove that the burning is successful =====
177 +—Reorient or relocate the receiving antenna.
156 156  
157 -[[image:image-20220602105251-15.png]]
179 +—Increase the separation between the equipment and receiver.
158 158  
159 -= LA66 USB LoRaWAN Adapter =
181 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
160 160  
161 -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.
183 +—Consult the dealer or an experienced radio/TV technician for help.
162 162  
163 -Before use, please make sure that the computer has installed the CP2102 driver
164 164  
165 -== Pin Mapping & LED ==
186 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
166 166  
167 -== Example Send & Get Messages via LoRaWAN in PC ==
168 -
169 -Connect the LA66 LoRa Shield to the PC
170 -
171 -[[image:image-20220602171217-1.png||height="615" width="915"]]
172 -
173 -Open the serial port tool
174 -
175 -[[image:image-20220602161617-8.png]]
176 -
177 -[[image:image-20220602161718-9.png||height="529" width="927"]]
178 -
179 -Press the reset switch RST on the LA66 LoRa Shield.
180 -
181 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
182 -
183 -[[image:image-20220602161935-10.png]]
184 -
185 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
186 -
187 -example: AT+SENDB=01,02,8,05820802581ea0a5
188 -
189 -[[image:image-20220602162157-11.png]]
190 -
191 -Check to see if TTN received the message
192 -
193 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
194 -
195 -== Example Send & Get Messages via LoRaWAN in RPi ==
196 -
197 -Connect the LA66 LoRa Shield to the RPI
198 -
199 -[[image:image-20220602171233-2.png||height="592" width="881"]]
200 -
201 -Log in to the RPI's terminal and connect to the serial port
202 -
203 -[[image:image-20220602153146-3.png]]
204 -
205 -Press the reset switch RST on the LA66 LoRa Shield.
206 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
207 -
208 -[[image:image-20220602154928-5.png]]
209 -
210 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
211 -
212 -example: AT+SENDB=01,02,8,05820802581ea0a5
213 -
214 -[[image:image-20220602160339-6.png]]
215 -
216 -Check to see if TTN received the message
217 -
218 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
219 -
220 -=== Install Minicom ===
221 -
222 -Enter the following command in the RPI terminal
223 -
224 -apt update
225 -
226 -[[image:image-20220602143155-1.png]]
227 -
228 -apt install minicom
229 -
230 -[[image:image-20220602143744-2.png]]
231 -
232 -=== Send PC's CPU/RAM usage to TTN via script. ===
233 -
234 -==== Take python as an example： ====
235 -
236 -===== Preconditions: =====
237 -
238 -1.LA66 USB LoRaWAN Adapter works fine
239 -
240 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
241 -
242 -===== Steps for usage =====
243 -
244 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
245 -
246 -2.Run the script and see the TTN
247 -
248 -[[image:image-20220602115852-3.png]]
249 -
250 -
251 -
252 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
253 -
254 -
255 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
256 -
257 -
188 +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.
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