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Last modified by Xiaoling on 2023/09/19 09:20
From version 147.1
edited by Edwin Chen
on 2022/09/09 15:38
Change comment: There is no comment for this version
To version 65.1
edited by Edwin Chen
on 2022/07/02 23:30
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 -
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 +(% 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.
7 7  
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.
8 8  
9 -= 1.  LA66 LoRaWAN Module =
13 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
10 10  
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.
11 11  
12 -== 1.1  What is LA66 LoRaWAN Module ==
17 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
13 13  
19 +== Features ==
14 14  
15 -(((
16 -(((
17 -[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 -)))
19 19  
20 -(((
21 -
22 -)))
22 +== Specification ==
23 23  
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 +[[image:image-20220517072526-1.png]]
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 -)))
26 +Input Power Range: 1.8v ~~ 3.7v
34 34  
35 -(((
36 -(((
37 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 -)))
28 +Power Consumption: < 4uA.
39 39  
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 +Frequency Range: 150 MHz ~~ 960 MHz
44 44  
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 +Maximum Power +22 dBm constant RF output
50 50  
34 +High sensitivity: -148 dBm
51 51  
36 +Temperature:
52 52  
53 -== 1.2  Features ==
38 +* Storage: -55 ~~ +125℃
39 +* Operating: -40 ~~ +85℃
54 54  
41 +Humidity:
55 55  
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
43 +* Storage: 5 ~~ 95% (Non-Condensing)
44 +* Operating: 10 ~~ 95% (Non-Condensing)
65 65  
46 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
66 66  
48 +LoRa Rx current: <9 mA
67 67  
68 -== 1.3  Specification ==
50 +I/O Voltage: 3.3v
69 69  
70 70  
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
53 +== AT Command ==
88 88  
55 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
89 89  
90 90  
91 -== 1.4  AT Command ==
58 +== Pin Mapping ==
92 92  
60 +[[image:image-20220523101537-1.png]]
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.
62 +== Land Pattern ==
95 95  
64 +[[image:image-20220517072821-2.png]]
96 96  
97 97  
98 -== 1.5  Dimension ==
67 +== Part Number ==
99 99  
69 +Part Number: **LA66-XXX**
100 100  
101 -[[image:image-20220718094750-3.png]]
71 +**XX**: The default frequency band
102 102  
73 +* **AS923**: LoRaWAN AS923 band
74 +* **AU915**: LoRaWAN AU915 band
75 +* **EU433**: LoRaWAN EU433 band
76 +* **EU868**: LoRaWAN EU868 band
77 +* **KR920**: LoRaWAN KR920 band
78 +* **US915**: LoRaWAN US915 band
79 +* **IN865**: LoRaWAN IN865 band
80 +* **CN470**: LoRaWAN CN470 band
103 103  
82 += LA66 LoRaWAN Shield =
104 104  
105 -== 1.6  Pin Mapping ==
84 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
106 106  
107 -[[image:image-20220720111850-1.png]]
86 +== Pin Mapping & LED ==
108 108  
88 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
109 109  
90 +== Example: Join TTN network and send an uplink message, get downlink message. ==
110 110  
111 -== 1.7  Land Pattern ==
92 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
112 112  
94 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
113 113  
114 -[[image:image-20220517072821-2.png]]
96 +=== what needs to be used ===
115 115  
98 +1.LA66 LoRaWAN Shield that needs to be upgraded
116 116  
100 +2.Arduino
117 117  
118 -= 2.  FAQ =
102 +3.USB TO TTL
119 119  
104 +[[image:image-20220602100052-2.png]]
120 120  
121 -== 2.1  How to Compile Source Code for LA66? ==
106 +=== Wiring Schematic ===
122 122  
108 +[[image:image-20220602101311-3.png]]
123 123  
124 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
110 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
125 125  
112 +GND  >>>>>>>>>>>>GND
126 126  
127 -== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
114 +TXD  >>>>>>>>>>>>TXD
128 128  
129 -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.
116 +RXD  >>>>>>>>>>>>RXD
130 130  
118 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
131 131  
132 -= 3.  Order Info =
120 +Connect to the PC after connecting the wires
133 133  
122 +[[image:image-20220602102240-4.png]]
134 134  
135 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
124 +=== Upgrade steps ===
136 136  
126 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
137 137  
138 -(% style="color:blue" %)**XXX**(%%): The default frequency band
128 +[[image:image-20220602102824-5.png]]
139 139  
140 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
141 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
142 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
143 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
144 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
145 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
146 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
147 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
148 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
130 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
149 149  
132 +[[image:image-20220602104701-12.png]]
133 +
134 +==== Open the upgrade application software ====
135 +
136 +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/]]
137 +
138 +[[image:image-20220602103227-6.png]]
139 +
140 +[[image:image-20220602103357-7.png]]
141 +
142 +===== Select the COM port corresponding to USB TTL =====
143 +
144 +[[image:image-20220602103844-8.png]]
145 +
146 +===== Select the bin file to burn =====
147 +
148 +[[image:image-20220602104144-9.png]]
149 +
150 +[[image:image-20220602104251-10.png]]
151 +
152 +[[image:image-20220602104402-11.png]]
153 +
154 +===== Click to start the download =====
155 +
156 +[[image:image-20220602104923-13.png]]
157 +
158 +===== The following figure appears to prove that the burning is in progress =====
159 +
160 +[[image:image-20220602104948-14.png]]
161 +
162 +===== The following picture appears to prove that the burning is successful =====
163 +
164 +[[image:image-20220602105251-15.png]]
165 +
166 += LA66 USB LoRaWAN Adapter =
167 +
168 +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.
169 +
170 +Before use, please make sure that the computer has installed the CP2102 driver
171 +
172 +== Pin Mapping & LED ==
173 +
174 +== Example Send & Get Messages via LoRaWAN in PC ==
175 +
176 +Connect the LA66 LoRa Shield to the PC
177 +
178 +[[image:image-20220602171217-1.png||height="615" width="915"]]
179 +
180 +Open the serial port tool
181 +
182 +[[image:image-20220602161617-8.png]]
183 +
184 +[[image:image-20220602161718-9.png||height="529" width="927"]]
185 +
186 +Press the reset switch RST on the LA66 LoRa Shield.
187 +
188 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
189 +
190 +[[image:image-20220602161935-10.png]]
191 +
192 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
193 +
194 +example: AT+SENDB=01,02,8,05820802581ea0a5
195 +
196 +[[image:image-20220602162157-11.png]]
197 +
198 +Check to see if TTN received the message
199 +
200 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
201 +
202 +== Example Send & Get Messages via LoRaWAN in RPi ==
203 +
204 +Connect the LA66 LoRa Shield to the RPI
205 +
206 +[[image:image-20220602171233-2.png||height="592" width="881"]]
207 +
208 +Log in to the RPI's terminal and connect to the serial port
209 +
210 +[[image:image-20220602153146-3.png]]
211 +
212 +Press the reset switch RST on the LA66 LoRa Shield.
213 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
214 +
215 +[[image:image-20220602154928-5.png]]
216 +
217 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
218 +
219 +example: AT+SENDB=01,02,8,05820802581ea0a5
220 +
221 +[[image:image-20220602160339-6.png]]
222 +
223 +Check to see if TTN received the message
224 +
225 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
226 +
227 +=== Install Minicom ===
228 +
229 +Enter the following command in the RPI terminal
230 +
231 +apt update
232 +
233 +[[image:image-20220602143155-1.png]]
234 +
235 +apt install minicom
236 +
237 +[[image:image-20220602143744-2.png]]
238 +
239 +=== Send PC's CPU/RAM usage to TTN via script. ===
240 +
241 +==== Take python as an example： ====
242 +
243 +===== Preconditions: =====
244 +
245 +1.LA66 USB LoRaWAN Adapter works fine
246 +
247 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
248 +
249 +===== Steps for usage =====
250 +
251 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
252 +
253 +2.Run the script and see the TTN
254 +
255 +[[image:image-20220602115852-3.png]]
256 +
257 +
258 +
259 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
260 +
261 +
262 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
263 +
150 150  
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