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Last modified by Xiaoling on 2023/09/19 09:20
From version 149.3
edited by Xiaoling
on 2023/05/26 14:28
Change comment: There is no comment for this version
To version 61.1
edited by Herong Lu
on 2022/06/02 17:12
Change comment: There is no comment for this version

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1 -LA66 LoRaWAN Module User Manual
1 +LA66 LoRaWAN Module
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1 -XWiki.Xiaoling
1 +XWiki.Lu
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1 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
2 +{{toc/}}
3 +{{/box}}
2 2  
3 -**Table of Contents:**
5 += LA66 LoRaWAN Module =
4 4  
5 -{{toc/}}
7 +== What is LA66 LoRaWAN Module ==
6 6  
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.
7 7  
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.
8 8  
9 -= 1.  LA66 LoRaWAN Module =
13 +**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
10 10  
11 -== 1.1  What is LA66 LoRaWAN Module ==
12 12  
13 13  
14 -(((
15 -(((
16 -[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
17 -)))
17 +== Specification ==
18 18  
19 -(((
20 -
21 -)))
19 +[[image:image-20220517072526-1.png]]
22 22  
23 -(((
24 -(% 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.
25 -)))
26 -)))
21 +Input Power Range: 1.8v ~~ 3.7v
27 27  
28 -(((
29 -(((
30 -(% 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.
31 -)))
32 -)))
23 +Power Consumption: < 4uA.
33 33  
34 -(((
35 -(((
36 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 -)))
25 +Frequency Range: 150 MHz ~~ 960 MHz
38 38  
39 -(((
40 -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.
41 -)))
42 -)))
27 +Maximum Power +22 dBm constant RF output
43 43  
44 -(((
45 -(((
46 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
47 -)))
48 -)))
29 +High sensitivity: -148 dBm
49 49  
31 +Temperature:
50 50  
51 -== 1.2  Features ==
33 +* Storage: -55 ~~ +125℃
34 +* Operating: -40 ~~ +85℃
52 52  
36 +Humidity:
53 53  
54 -* Support LoRaWAN v1.0.3 protocol
55 -* Support peer-to-peer protocol
56 -* TCXO crystal to ensure RF performance on low temperature
57 -* SMD Antenna pad and i-pex antenna connector
58 -* Available in different frequency LoRaWAN frequency bands.
59 -* World-wide unique OTAA keys.
60 -* AT Command via UART-TTL interface
61 -* Firmware upgradable via UART interface
62 -* Ultra-long RF range
38 +* Storage: 5 ~~ 95% (Non-Condensing)
39 +* Operating: 10 ~~ 95% (Non-Condensing)
63 63  
41 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
64 64  
43 +LoRa Rx current: <9 mA
65 65  
66 -== 1.3  Specification ==
45 +I/O Voltage: 3.3v
67 67  
68 68  
69 -* CPU: 32-bit 48 MHz
70 -* Flash: 256KB
71 -* RAM: 64KB
72 -* Input Power Range: 1.8v ~~ 3.7v
73 -* Power Consumption: < 4uA.
74 -* Frequency Range: 150 MHz ~~ 960 MHz
75 -* Maximum Power +22 dBm constant RF output
76 -* High sensitivity: -148 dBm
77 -* Temperature:
78 -** Storage: -55 ~~ +125℃
79 -** Operating: -40 ~~ +85℃
80 -* Humidity:
81 -** Storage: 5 ~~ 95% (Non-Condensing)
82 -** Operating: 10 ~~ 95% (Non-Condensing)
83 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
84 -* LoRa Rx current: <9 mA
85 -* I/O Voltage: 3.3v
48 +== AT Command ==
86 86  
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.
87 87  
88 88  
89 -== 1.4  AT Command ==
53 +== Pin Mapping ==
90 90  
55 +[[image:image-20220523101537-1.png]]
91 91  
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]].
57 +== Land Pattern ==
93 93  
59 +[[image:image-20220517072821-2.png]]
94 94  
95 -== 1.5  Dimension ==
96 96  
62 +== Part Number ==
97 97  
98 -[[image:image-20220718094750-3.png]]
64 +Part Number: **LA66-XXX**
99 99  
66 +**XX**: The default frequency band
100 100  
101 -== 1.6  Pin Mapping ==
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
102 102  
103 -[[image:image-20220720111850-1.png]]
77 += LA66 LoRaWAN Shield =
104 104  
79 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
105 105  
106 -== 1.7  Land Pattern ==
81 +== Pin Mapping & LED ==
107 107  
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
108 108  
109 -[[image:image-20220517072821-2.png]]
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
110 110  
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
111 111  
112 -= 2.  FAQ =
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
113 113  
114 -== 2.1  Where to find examples of how to use LA66? ==
91 +=== what needs to be used ===
115 115  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
116 116  
117 -(% class="wikigeneratedid" %)
118 -Below products are made by LA66. User can use their examples as reference:
95 +2.Arduino
119 119  
120 -* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
121 -* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
97 +3.USB TO TTL
122 122  
99 +[[image:image-20220602100052-2.png]]
123 123  
101 +=== Wiring Schematic ===
124 124  
125 -== 2.2  How to Compile Source Code for LA66? ==
103 +[[image:image-20220602101311-3.png]]
126 126  
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
127 127  
128 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
107 +GND  >>>>>>>>>>>>GND
129 129  
109 +TXD  >>>>>>>>>>>>TXD
130 130  
131 -== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
111 +RXD  >>>>>>>>>>>>RXD
132 132  
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
133 133  
134 -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.
115 +Connect to the PC after connecting the wires
135 135  
117 +[[image:image-20220602102240-4.png]]
136 136  
137 -== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
119 +=== Upgrade steps ===
138 138  
121 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
139 139  
140 -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]]
123 +[[image:image-20220602102824-5.png]]
141 141  
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
142 142  
143 -= 3.  Order Info =
127 +[[image:image-20220602104701-12.png]]
144 144  
129 +==== Open the upgrade application software ====
145 145  
146 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
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/]]
147 147  
148 -(% style="color:blue" %)**XXX**(%%): The default frequency band
133 +[[image:image-20220602103227-6.png]]
149 149  
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
135 +[[image:image-20220602103357-7.png]]
159 159  
137 +===== Select the COM port corresponding to USB TTL =====
160 160  
139 +[[image:image-20220602103844-8.png]]
161 161  
162 -= 4.  FCC Statement =
141 +===== Select the bin file to burn =====
163 163  
143 +[[image:image-20220602104144-9.png]]
164 164  
165 -(% style="color:red" %)**FCC Caution:**
145 +[[image:image-20220602104251-10.png]]
166 166  
167 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
147 +[[image:image-20220602104402-11.png]]
168 168  
169 -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.
149 +===== Click to start the download =====
170 170  
151 +[[image:image-20220602104923-13.png]]
171 171  
172 -(% style="color:red" %)**IMPORTANT NOTE: **
153 +===== The following figure appears to prove that the burning is in progress =====
173 173  
174 -(% 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:
155 +[[image:image-20220602104948-14.png]]
175 175  
176 -—Reorient or relocate the receiving antenna.
157 +===== The following picture appears to prove that the burning is successful =====
177 177  
178 -—Increase the separation between the equipment and receiver.
159 +[[image:image-20220602105251-15.png]]
179 179  
180 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
161 += LA66 USB LoRaWAN Adapter =
181 181  
182 -—Consult the dealer or an experienced radio/TV technician for help.
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.
183 183  
165 +Before use, please make sure that the computer has installed the CP2102 driver
184 184  
185 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
167 +== Pin Mapping & LED ==
186 186  
187 -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.
169 +== Example Send & Get Messages via LoRaWAN in PC ==
188 188  
189 -
171 +Connect the LA66 LoRa Shield to the PC
172 +
173 +[[image:image-20220602171217-1.png||height="615" width="915"]]
174 +
175 +Open the serial port tool
176 +
177 +[[image:image-20220602161617-8.png]]
178 +
179 +[[image:image-20220602161718-9.png||height="529" width="927"]]
180 +
181 +Press the reset switch RST on the LA66 LoRa Shield.
182 +
183 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
184 +
185 +[[image:image-20220602161935-10.png]]
186 +
187 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
188 +
189 +example: AT+SENDB=01,02,8,05820802581ea0a5
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 LoRa Shield works fine
241 +
242 +2.LA66 LoRa Shield is registered with TTN
243 +
244 +===== Steps for usage =====
245 +
246 +1.After connecting the line, connect it to the PC, turn SW1 to FLASH, and press the RST switch. As shown in the figure below
247 +
248 +[[image:image-20220602114148-1.png]]
249 +
250 +2.Run the script and see the TTN
251 +
252 +[[image:image-20220602115852-3.png]]
253 +
254 +
255 +
256 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
257 +
258 +
259 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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