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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 71.1
edited by Edwin Chen
on 2022/07/03 00:00
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  
14 14  
15 -(((
16 -(((
17 -[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 -)))
20 +== Features ==
19 19  
20 -(((
21 -
22 -)))
22 +* Support LoRaWAN v1.0.4 protocol
23 +* Support peer-to-peer protocol
24 +* TCXO crystal to ensure RF performance on low temperature
25 +* SMD Antenna pad and i-pex antenna connector
26 +* Available in different frequency LoRaWAN frequency bands.
27 +* World-wide unique OTAA keys.
28 +* AT Command via UART-TTL interface
29 +* Firmware upgradable via UART interface
30 +* Ultra-long RF range
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 -)))
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 -)))
33 +== Specification ==
34 34  
35 -(((
36 -(((
37 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 -)))
35 +* CPU: 32-bit 48 MHz
36 +* Flash: 256KB
37 +* RAM: 64KB
38 +* Input Power Range: 1.8v ~~ 3.7v
39 +* Power Consumption: < 4uA.
40 +* Frequency Range: 150 MHz ~~ 960 MHz
41 +* Maximum Power +22 dBm constant RF output
42 +* High sensitivity: -148 dBm
43 +* Temperature:
44 +** Storage: -55 ~~ +125℃
45 +** Operating: -40 ~~ +85℃
46 +* Humidity:
47 +** Storage: 5 ~~ 95% (Non-Condensing)
48 +** Operating: 10 ~~ 95% (Non-Condensing)
49 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
50 +* LoRa Rx current: <9 mA
51 +* I/O Voltage: 3.3v
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 -)))
53 +== AT Command ==
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 -)))
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.
50 50  
51 51  
58 +== Dimension ==
52 52  
53 -== 1.2  Features ==
60 +[[image:image-20220517072526-1.png]]
54 54  
55 55  
56 -* Support LoRaWAN v1.0.3 protocol
63 +== Pin Mapping ==
64 +
65 +[[image:image-20220523101537-1.png]]
66 +
67 +== Land Pattern ==
68 +
69 +[[image:image-20220517072821-2.png]]
70 +
71 +
72 +== Part Number ==
73 +
74 +Part Number: **LA66-XXX**
75 +
76 +**XX**: The default frequency band
77 +
78 +* **AS923**: LoRaWAN AS923 band
79 +* **AU915**: LoRaWAN AU915 band
80 +* **EU433**: LoRaWAN EU433 band
81 +* **EU868**: LoRaWAN EU868 band
82 +* **KR920**: LoRaWAN KR920 band
83 +* **US915**: LoRaWAN US915 band
84 +* **IN865**: LoRaWAN IN865 band
85 +* **CN470**: LoRaWAN CN470 band
86 +* **PP**: Peer to Peer LoRa Protocol
87 +
88 +
89 +
90 += LA66 LoRaWAN Shield =
91 +
92 +== Overview ==
93 +
94 +LA66 LoRaWAN Shield is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to  Arduino projects.
95 +
96 +
97 +== Features ==
98 +
99 +* Arduino Shield base on LA66 LoRaWAN module
100 +* Support LoRaWAN v1.0.4 protocol
57 57  * Support peer-to-peer protocol
58 58  * TCXO crystal to ensure RF performance on low temperature
59 -* SMD Antenna pad and i-pex antenna connector
103 +* SMA connector
60 60  * Available in different frequency LoRaWAN frequency bands.
61 61  * World-wide unique OTAA keys.
62 62  * AT Command via UART-TTL interface
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64 64  * Ultra-long RF range
65 65  
66 66  
111 +== Specification ==
67 67  
68 -== 1.3  Specification ==
69 -
70 -
71 71  * CPU: 32-bit 48 MHz
72 72  * Flash: 256KB
73 73  * RAM: 64KB
... ... @@ -87,64 +87,182 @@
87 87  * I/O Voltage: 3.3v
88 88  
89 89  
132 +== Pin Mapping & LED ==
90 90  
91 -== 1.4  AT Command ==
134 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
92 92  
136 +== Example: Join TTN network and send an uplink message, get downlink message. ==
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.
138 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
95 95  
140 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
96 96  
142 +=== what needs to be used ===
97 97  
98 -== 1.5  Dimension ==
144 +1.LA66 LoRaWAN Shield that needs to be upgraded
99 99  
146 +2.Arduino
100 100  
101 -[[image:image-20220718094750-3.png]]
148 +3.USB TO TTL
102 102  
150 +[[image:image-20220602100052-2.png]]
103 103  
152 +=== Wiring Schematic ===
104 104  
105 -== 1.6  Pin Mapping ==
154 +[[image:image-20220602101311-3.png]]
106 106  
107 -[[image:image-20220720111850-1.png]]
156 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
108 108  
158 +GND  >>>>>>>>>>>>GND
109 109  
160 +TXD  >>>>>>>>>>>>TXD
110 110  
111 -== 1.7  Land Pattern ==
162 +RXD  >>>>>>>>>>>>RXD
112 112  
164 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
113 113  
114 -[[image:image-20220517072821-2.png]]
166 +Connect to the PC after connecting the wires
115 115  
168 +[[image:image-20220602102240-4.png]]
116 116  
170 +=== Upgrade steps ===
117 117  
118 -= 2.  FAQ =
172 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
119 119  
174 +[[image:image-20220602102824-5.png]]
120 120  
121 -== 2.1  How to Compile Source Code for LA66? ==
176 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
122 122  
178 +[[image:image-20220602104701-12.png]]
123 123  
124 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
180 +==== Open the upgrade application software ====
125 125  
182 +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/]]
126 126  
127 -== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
184 +[[image:image-20220602103227-6.png]]
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.
186 +[[image:image-20220602103357-7.png]]
130 130  
188 +===== Select the COM port corresponding to USB TTL =====
131 131  
132 -= 3.  Order Info =
190 +[[image:image-20220602103844-8.png]]
133 133  
192 +===== Select the bin file to burn =====
134 134  
135 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
194 +[[image:image-20220602104144-9.png]]
136 136  
196 +[[image:image-20220602104251-10.png]]
137 137  
138 -(% style="color:blue" %)**XXX**(%%): The default frequency band
198 +[[image:image-20220602104402-11.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
200 +===== Click to start the download =====
149 149  
202 +[[image:image-20220602104923-13.png]]
203 +
204 +===== The following figure appears to prove that the burning is in progress =====
205 +
206 +[[image:image-20220602104948-14.png]]
207 +
208 +===== The following picture appears to prove that the burning is successful =====
209 +
210 +[[image:image-20220602105251-15.png]]
211 +
212 += LA66 USB LoRaWAN Adapter =
213 +
214 +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.
215 +
216 +Before use, please make sure that the computer has installed the CP2102 driver
217 +
218 +== Pin Mapping & LED ==
219 +
220 +== Example Send & Get Messages via LoRaWAN in PC ==
221 +
222 +Connect the LA66 LoRa Shield to the PC
223 +
224 +[[image:image-20220602171217-1.png||height="615" width="915"]]
225 +
226 +Open the serial port tool
227 +
228 +[[image:image-20220602161617-8.png]]
229 +
230 +[[image:image-20220602161718-9.png||height="529" width="927"]]
231 +
232 +Press the reset switch RST on the LA66 LoRa Shield.
233 +
234 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
235 +
236 +[[image:image-20220602161935-10.png]]
237 +
238 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
239 +
240 +example: AT+SENDB=01,02,8,05820802581ea0a5
241 +
242 +[[image:image-20220602162157-11.png]]
243 +
244 +Check to see if TTN received the message
245 +
246 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
247 +
248 +== Example Send & Get Messages via LoRaWAN in RPi ==
249 +
250 +Connect the LA66 LoRa Shield to the RPI
251 +
252 +[[image:image-20220602171233-2.png||height="592" width="881"]]
253 +
254 +Log in to the RPI's terminal and connect to the serial port
255 +
256 +[[image:image-20220602153146-3.png]]
257 +
258 +Press the reset switch RST on the LA66 LoRa Shield.
259 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
260 +
261 +[[image:image-20220602154928-5.png]]
262 +
263 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
264 +
265 +example: AT+SENDB=01,02,8,05820802581ea0a5
266 +
267 +[[image:image-20220602160339-6.png]]
268 +
269 +Check to see if TTN received the message
270 +
271 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
272 +
273 +=== Install Minicom ===
274 +
275 +Enter the following command in the RPI terminal
276 +
277 +apt update
278 +
279 +[[image:image-20220602143155-1.png]]
280 +
281 +apt install minicom
282 +
283 +[[image:image-20220602143744-2.png]]
284 +
285 +=== Send PC's CPU/RAM usage to TTN via script. ===
286 +
287 +==== Take python as an example： ====
288 +
289 +===== Preconditions: =====
290 +
291 +1.LA66 USB LoRaWAN Adapter works fine
292 +
293 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
294 +
295 +===== Steps for usage =====
296 +
297 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
298 +
299 +2.Run the script and see the TTN
300 +
301 +[[image:image-20220602115852-3.png]]
302 +
303 +
304 +
305 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
306 +
307 +
308 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
309 +
150 150  
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