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Last modified by Xiaoling on 2023/09/19 09:20
From version 64.1
edited by Edwin Chen
on 2022/07/02 21:03
Change comment: There is no comment for this version
To version 149.1
edited by Edwin Chen
on 2022/10/21 11:04
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 -{{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 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.
10 10  
11 -**LA66 **is a ready-to-use module that includes the 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 for developers to make a LoRaWAN End device. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
12 12  
9 += 1.  LA66 LoRaWAN Module =
13 13  
14 -LA66 is equipped with **TCXO crystal** which ensures the module can achieve the stable performance in extreme temperatures.
15 15  
12 +== 1.1  What is LA66 LoRaWAN Module ==
16 16  
17 -**Each LA66 **module includes a world-unique OTAA key for LoRaWAN registration.
18 18  
15 +(((
16 +(((
17 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 +)))
19 19  
20 +(((
21 +
22 +)))
20 20  
21 -== Specification ==
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 +)))
22 22  
23 -[[image:image-20220517072526-1.png]]
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 +)))
24 24  
25 -Input Power Range: 1.8v ~~ 3.7v
35 +(((
36 +(((
37 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 +)))
26 26  
27 -Power Consumption: < 4uA.
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 +)))
28 28  
29 -Frequency Range: 150 MHz ~~ 960 MHz
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 +)))
30 30  
31 -Maximum Power +22 dBm constant RF output
32 32  
33 -High sensitivity: -148 dBm
34 34  
35 -Temperature:
53 +== 1.2  Features ==
36 36  
37 -* Storage: -55 ~~ +125℃
38 -* Operating: -40 ~~ +85℃
39 39  
40 -Humidity:
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
41 41  
42 -* Storage: 5 ~~ 95% (Non-Condensing)
43 -* Operating: 10 ~~ 95% (Non-Condensing)
44 44  
45 -LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
67 +== 1.3  Specification ==
46 46  
47 -LoRa Rx current: <9 mA
48 48  
49 -I/O Voltage: 3.3v
70 +* CPU: 32-bit 48 MHz
71 +* Flash: 256KB
72 +* RAM: 64KB
73 +* Input Power Range: 1.8v ~~ 3.7v
74 +* Power Consumption: < 4uA.
75 +* Frequency Range: 150 MHz ~~ 960 MHz
76 +* Maximum Power +22 dBm constant RF output
77 +* High sensitivity: -148 dBm
78 +* Temperature:
79 +** Storage: -55 ~~ +125℃
80 +** Operating: -40 ~~ +85℃
81 +* Humidity:
82 +** Storage: 5 ~~ 95% (Non-Condensing)
83 +** Operating: 10 ~~ 95% (Non-Condensing)
84 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
85 +* LoRa Rx current: <9 mA
86 +* I/O Voltage: 3.3v
50 50  
51 51  
52 -== AT Command ==
89 +== 1.4  AT Command ==
53 53  
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.
55 55  
92 +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]].
56 56  
57 -== Pin Mapping ==
58 58  
59 -[[image:image-20220523101537-1.png]]
60 60  
61 -== Land Pattern ==
96 +== 1.5  Dimension ==
62 62  
63 -[[image:image-20220517072821-2.png]]
64 64  
99 +[[image:image-20220718094750-3.png]]
65 65  
66 -== Part Number ==
67 67  
68 -Part Number: **LA66-XXX**
69 69  
70 -**XX**: The default frequency band
103 +== 1.6  Pin Mapping ==
71 71  
72 -* **AS923**: LoRaWAN AS923 band
73 -* **AU915**: LoRaWAN AU915 band
74 -* **EU433**: LoRaWAN EU433 band
75 -* **EU868**: LoRaWAN EU868 band
76 -* **KR920**: LoRaWAN KR920 band
77 -* **US915**: LoRaWAN US915 band
78 -* **IN865**: LoRaWAN IN865 band
79 -* **CN470**: LoRaWAN CN470 band
105 +[[image:image-20220720111850-1.png]]
80 80  
81 -= LA66 LoRaWAN Shield =
82 82  
83 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
84 84  
85 -== Pin Mapping & LED ==
109 +== 1.7  Land Pattern ==
86 86  
87 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
88 88  
89 -== Example: Join TTN network and send an uplink message, get downlink message. ==
112 +[[image:image-20220517072821-2.png]]
90 90  
91 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
92 92  
93 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
94 94  
95 -=== what needs to be used ===
116 += 2.  FAQ =
96 96  
97 -1.LA66 LoRaWAN Shield that needs to be upgraded
98 98  
99 -2.Arduino
119 +(% class="wikigeneratedid" %)
120 +== 2.1 Where to find examples of how to use LA66? ==
100 100  
101 -3.USB TO TTL
122 +(% class="wikigeneratedid" %)
123 +Below products are made by LA66. User can use their examples as reference:
102 102  
103 -[[image:image-20220602100052-2.png]]
125 +* LA66 Shield for Arduino
126 +* LA66 USB Adapter
104 104  
105 -=== Wiring Schematic ===
106 106  
107 -[[image:image-20220602101311-3.png]]
108 108  
109 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
130 +== 2.2  How to Compile Source Code for LA66? ==
110 110  
111 -GND  >>>>>>>>>>>>GND
112 112  
113 -TXD  >>>>>>>>>>>>TXD
133 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
114 114  
115 -RXD  >>>>>>>>>>>>RXD
116 116  
117 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
118 118  
119 -Connect to the PC after connecting the wires
137 +== 2.3 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
120 120  
121 -[[image:image-20220602102240-4.png]]
122 122  
123 -=== Upgrade steps ===
140 +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.
124 124  
125 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
126 126  
127 -[[image:image-20220602102824-5.png]]
128 128  
129 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
144 +== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
130 130  
131 -[[image:image-20220602104701-12.png]]
132 132  
133 -==== Open the upgrade application software ====
147 +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]]
134 134  
135 -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/]]
136 136  
137 -[[image:image-20220602103227-6.png]]
138 138  
139 -[[image:image-20220602103357-7.png]]
151 += 3.  Order Info =
140 140  
141 -===== Select the COM port corresponding to USB TTL =====
142 142  
143 -[[image:image-20220602103844-8.png]]
154 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
144 144  
145 -===== Select the bin file to burn =====
146 146  
147 -[[image:image-20220602104144-9.png]]
157 +(% style="color:blue" %)**XXX**(%%): The default frequency band
148 148  
149 -[[image:image-20220602104251-10.png]]
159 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
160 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
161 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
162 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
163 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
164 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
165 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
166 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
167 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
150 150  
151 -[[image:image-20220602104402-11.png]]
152 152  
153 -===== Click to start the download =====
154 154  
155 -[[image:image-20220602104923-13.png]]
171 += 4.  FCC Statement =
156 156  
157 -===== The following figure appears to prove that the burning is in progress =====
158 158  
159 -[[image:image-20220602104948-14.png]]
174 +(% style="color:red" %)**FCC Caution:**
160 160  
161 -===== The following picture appears to prove that the burning is successful =====
176 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
162 162  
163 -[[image:image-20220602105251-15.png]]
178 +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.
164 164  
165 -= LA66 USB LoRaWAN Adapter =
166 166  
167 -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.
181 +(% style="color:red" %)**IMPORTANT NOTE: **
168 168  
169 -Before use, please make sure that the computer has installed the CP2102 driver
183 +(% 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:
170 170  
171 -== Pin Mapping & LED ==
185 +—Reorient or relocate the receiving antenna.
172 172  
173 -== Example Send & Get Messages via LoRaWAN in PC ==
187 +—Increase the separation between the equipment and receiver.
174 174  
175 -Connect the LA66 LoRa Shield to the PC
189 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
176 176  
177 -[[image:image-20220602171217-1.png||height="615" width="915"]]
191 +—Consult the dealer or an experienced radio/TV technician for help.
178 178  
179 -Open the serial port tool
180 180  
181 -[[image:image-20220602161617-8.png]]
194 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
182 182  
183 -[[image:image-20220602161718-9.png||height="529" width="927"]]
184 -
185 -Press the reset switch RST on the LA66 LoRa Shield.
186 -
187 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
188 -
189 -[[image:image-20220602161935-10.png]]
190 -
191 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
192 -
193 -example: AT+SENDB=01,02,8,05820802581ea0a5
194 -
195 -[[image:image-20220602162157-11.png]]
196 -
197 -Check to see if TTN received the message
198 -
199 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
200 -
201 -== Example Send & Get Messages via LoRaWAN in RPi ==
202 -
203 -Connect the LA66 LoRa Shield to the RPI
204 -
205 -[[image:image-20220602171233-2.png||height="592" width="881"]]
206 -
207 -Log in to the RPI's terminal and connect to the serial port
208 -
209 -[[image:image-20220602153146-3.png]]
210 -
211 -Press the reset switch RST on the LA66 LoRa Shield.
212 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
213 -
214 -[[image:image-20220602154928-5.png]]
215 -
216 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
217 -
218 -example: AT+SENDB=01,02,8,05820802581ea0a5
219 -
220 -[[image:image-20220602160339-6.png]]
221 -
222 -Check to see if TTN received the message
223 -
224 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
225 -
226 -=== Install Minicom ===
227 -
228 -Enter the following command in the RPI terminal
229 -
230 -apt update
231 -
232 -[[image:image-20220602143155-1.png]]
233 -
234 -apt install minicom
235 -
236 -[[image:image-20220602143744-2.png]]
237 -
238 -=== Send PC's CPU/RAM usage to TTN via script. ===
239 -
240 -==== Take python as an example： ====
241 -
242 -===== Preconditions: =====
243 -
244 -1.LA66 USB LoRaWAN Adapter works fine
245 -
246 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
247 -
248 -===== Steps for usage =====
249 -
250 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
251 -
252 -2.Run the script and see the TTN
253 -
254 -[[image:image-20220602115852-3.png]]
255 -
256 -
257 -
258 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
259 -
260 -
261 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
262 -
263 -
196 +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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