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Last modified by Xiaoling on 2023/09/19 09:20
From version 62.1
edited by Herong Lu
on 2022/06/02 17:19
Change comment: There is no comment for this version
To version 149.2
edited by Xiaoling
on 2022/10/21 11:10
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
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1 -XWiki.Lu
1 +XWiki.Xiaoling
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1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
2 -{{toc/}}
3 -{{/box}}
1 +
4 4  
5 -= LA66 LoRaWAN Module =
3 +**Table of Contents:**
6 6  
7 -== What is LA66 LoRaWAN Module ==
5 +{{toc/}}
8 8  
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 LoRa 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 program, create and connect your things everywhere.
10 10  
11 -**LA66 **is a ready-to-use module which includes the LoRaWAN v1.0.4 protocol. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
12 12  
13 -**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
9 += 1.  LA66 LoRaWAN Module =
14 14  
15 15  
12 +== 1.1  What is LA66 LoRaWAN Module ==
16 16  
17 -== Specification ==
18 18  
19 -[[image:image-20220517072526-1.png]]
15 +(((
16 +(((
17 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 +)))
20 20  
21 -Input Power Range: 1.8v ~~ 3.7v
20 +(((
21 +
22 +)))
22 22  
23 -Power Consumption: < 4uA.
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 +)))
24 24  
25 -Frequency Range: 150 MHz ~~ 960 MHz
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 +)))
26 26  
27 -Maximum Power +22 dBm constant RF output
35 +(((
36 +(((
37 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 +)))
28 28  
29 -High sensitivity: -148 dBm
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 +)))
30 30  
31 -Temperature:
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 +)))
32 32  
33 -* Storage: -55 ~~ +125℃
34 -* Operating: -40 ~~ +85℃
35 35  
36 -Humidity:
37 37  
38 -* Storage: 5 ~~ 95% (Non-Condensing)
39 -* Operating: 10 ~~ 95% (Non-Condensing)
53 +== 1.2  Features ==
40 40  
41 -LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
42 42  
43 -LoRa Rx current: <9 mA
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
44 44  
45 -I/O Voltage: 3.3v
46 46  
47 47  
48 -== AT Command ==
68 +== 1.3  Specification ==
49 49  
50 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
51 51  
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
52 52  
53 -== Pin Mapping ==
54 54  
55 -[[image:image-20220523101537-1.png]]
56 56  
57 -== Land Pattern ==
91 +== 1.4  AT Command ==
58 58  
59 -[[image:image-20220517072821-2.png]]
60 60  
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]].
61 61  
62 -== Part Number ==
63 63  
64 -Part Number: **LA66-XXX**
65 65  
66 -**XX**: The default frequency band
98 +== 1.5  Dimension ==
67 67  
68 -* **AS923**: LoRaWAN AS923 band
69 -* **AU915**: LoRaWAN AU915 band
70 -* **EU433**: LoRaWAN EU433 band
71 -* **EU868**: LoRaWAN EU868 band
72 -* **KR920**: LoRaWAN KR920 band
73 -* **US915**: LoRaWAN US915 band
74 -* **IN865**: LoRaWAN IN865 band
75 -* **CN470**: LoRaWAN CN470 band
76 76  
77 -= LA66 LoRaWAN Shield =
101 +[[image:image-20220718094750-3.png]]
78 78  
79 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
80 80  
81 -== Pin Mapping & LED ==
82 82  
83 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
105 +== 1.6  Pin Mapping ==
84 84  
85 -== Example: Join TTN network and send an uplink message, get downlink message. ==
107 +[[image:image-20220720111850-1.png]]
86 86  
87 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
88 88  
89 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
90 90  
91 -=== what needs to be used ===
111 +== 1.7  Land Pattern ==
92 92  
93 -1.LA66 LoRaWAN Shield that needs to be upgraded
94 94  
95 -2.Arduino
114 +[[image:image-20220517072821-2.png]]
96 96  
97 -3.USB TO TTL
98 98  
99 -[[image:image-20220602100052-2.png]]
100 100  
101 -=== Wiring Schematic ===
118 += 2.  FAQ =
102 102  
103 -[[image:image-20220602101311-3.png]]
104 104  
105 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
121 +== 2.1  Where to find examples of how to use LA66? ==
106 106  
107 -GND  >>>>>>>>>>>>GND
108 108  
109 -TXD  >>>>>>>>>>>>TXD
124 +(% class="wikigeneratedid" %)
125 +Below products are made by LA66. User can use their examples as reference:
110 110  
111 -RXD  >>>>>>>>>>>>RXD
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]]
112 112  
113 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
114 114  
115 -Connect to the PC after connecting the wires
116 116  
117 -[[image:image-20220602102240-4.png]]
132 +== 2.2  How to Compile Source Code for LA66? ==
118 118  
119 -=== Upgrade steps ===
120 120  
121 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
135 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
122 122  
123 -[[image:image-20220602102824-5.png]]
124 124  
125 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
126 126  
127 -[[image:image-20220602104701-12.png]]
139 +== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
128 128  
129 -==== Open the upgrade application software ====
130 130  
131 -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/]]
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.
132 132  
133 -[[image:image-20220602103227-6.png]]
134 134  
135 -[[image:image-20220602103357-7.png]]
136 136  
137 -===== Select the COM port corresponding to USB TTL =====
146 +== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
138 138  
139 -[[image:image-20220602103844-8.png]]
140 140  
141 -===== Select the bin file to burn =====
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]]
142 142  
143 -[[image:image-20220602104144-9.png]]
144 144  
145 -[[image:image-20220602104251-10.png]]
146 146  
147 -[[image:image-20220602104402-11.png]]
153 += 3.  Order Info =
148 148  
149 -===== Click to start the download =====
150 150  
151 -[[image:image-20220602104923-13.png]]
156 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
152 152  
153 -===== The following figure appears to prove that the burning is in progress =====
154 154  
155 -[[image:image-20220602104948-14.png]]
159 +(% style="color:blue" %)**XXX**(%%): The default frequency band
156 156  
157 -===== The following picture appears to prove that the burning is successful =====
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
158 158  
159 -[[image:image-20220602105251-15.png]]
160 160  
161 -= LA66 USB LoRaWAN Adapter =
162 162  
163 -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.
173 += 4.  FCC Statement =
164 164  
165 -Before use, please make sure that the computer has installed the CP2102 driver
166 166  
167 -== Pin Mapping & LED ==
176 +(% style="color:red" %)**FCC Caution:**
168 168  
169 -== Example Send & Get Messages via LoRaWAN in PC ==
178 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
170 170  
171 -Connect the LA66 LoRa Shield to the PC
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.
172 172  
173 -[[image:image-20220602171217-1.png||height="615" width="915"]]
174 174  
175 -Open the serial port tool
183 +(% style="color:red" %)**IMPORTANT NOTE: **
176 176  
177 -[[image:image-20220602161617-8.png]]
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:
178 178  
179 -[[image:image-20220602161718-9.png||height="529" width="927"]]
187 +—Reorient or relocate the receiving antenna.
180 180  
181 -Press the reset switch RST on the LA66 LoRa Shield.
189 +—Increase the separation between the equipment and receiver.
182 182  
183 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
191 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
184 184  
185 -[[image:image-20220602161935-10.png]]
193 +—Consult the dealer or an experienced radio/TV technician for help.
186 186  
187 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
188 188  
189 -example: AT+SENDB=01,02,8,05820802581ea0a5
196 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
190 190  
191 -[[image:image-20220602162157-11.png]]
192 -
193 -Check to see if TTN received the message
194 -
195 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
196 -
197 -== Example Send & Get Messages via LoRaWAN in RPi ==
198 -
199 -Connect the LA66 LoRa Shield to the RPI
200 -
201 -[[image:image-20220602171233-2.png||height="592" width="881"]]
202 -
203 -Log in to the RPI's terminal and connect to the serial port
204 -
205 -[[image:image-20220602153146-3.png]]
206 -
207 -Press the reset switch RST on the LA66 LoRa Shield.
208 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
209 -
210 -[[image:image-20220602154928-5.png]]
211 -
212 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
213 -
214 -example: AT+SENDB=01,02,8,05820802581ea0a5
215 -
216 -[[image:image-20220602160339-6.png]]
217 -
218 -Check to see if TTN received the message
219 -
220 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
221 -
222 -=== Install Minicom ===
223 -
224 -Enter the following command in the RPI terminal
225 -
226 -apt update
227 -
228 -[[image:image-20220602143155-1.png]]
229 -
230 -apt install minicom
231 -
232 -[[image:image-20220602143744-2.png]]
233 -
234 -=== Send PC's CPU/RAM usage to TTN via script. ===
235 -
236 -==== Take python as an example： ====
237 -
238 -===== Preconditions: =====
239 -
240 -1.LA66 USB LoRaWAN Adapter works fine
241 -
242 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
243 -
244 -===== Steps for usage =====
245 -
246 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
247 -
248 -
249 -2.Run the script and see the TTN
250 -
251 -[[image:image-20220602115852-3.png]]
252 -
253 -
254 -
255 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
256 -
257 -
258 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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.
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