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Last modified by Xiaoling on 2023/09/19 09:20
From version 148.1
edited by Edwin Chen
on 2022/09/12 19:20
Change comment: There is no comment for this version
To version 72.1
edited by Edwin Chen
on 2022/07/03 00:02
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 -)))
32 +== Specification ==
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 -)))
34 +* CPU: 32-bit 48 MHz
35 +* Flash: 256KB
36 +* RAM: 64KB
37 +* Input Power Range: 1.8v ~~ 3.7v
38 +* Power Consumption: < 4uA.
39 +* Frequency Range: 150 MHz ~~ 960 MHz
40 +* Maximum Power +22 dBm constant RF output
41 +* High sensitivity: -148 dBm
42 +* Temperature:
43 +** Storage: -55 ~~ +125℃
44 +** Operating: -40 ~~ +85℃
45 +* Humidity:
46 +** Storage: 5 ~~ 95% (Non-Condensing)
47 +** Operating: 10 ~~ 95% (Non-Condensing)
48 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
49 +* LoRa Rx current: <9 mA
50 +* I/O Voltage: 3.3v
34 34  
35 -(((
36 -(((
37 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 -)))
52 +== AT Command ==
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 -)))
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.
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 -)))
50 50  
57 +== Dimension ==
51 51  
59 +[[image:image-20220517072526-1.png]]
52 52  
53 -== 1.2  Features ==
54 54  
62 +== Pin Mapping ==
55 55  
56 -* Support LoRaWAN v1.0.3 protocol
64 +[[image:image-20220523101537-1.png]]
65 +
66 +== Land Pattern ==
67 +
68 +[[image:image-20220517072821-2.png]]
69 +
70 +
71 +== Order Info ==
72 +
73 +Part Number: **LA66-XXX**
74 +
75 +**XX**: The default frequency band
76 +
77 +* **AS923**: LoRaWAN AS923 band
78 +* **AU915**: LoRaWAN AU915 band
79 +* **EU433**: LoRaWAN EU433 band
80 +* **EU868**: LoRaWAN EU868 band
81 +* **KR920**: LoRaWAN KR920 band
82 +* **US915**: LoRaWAN US915 band
83 +* **IN865**: LoRaWAN IN865 band
84 +* **CN470**: LoRaWAN CN470 band
85 +* **PP**: Peer to Peer LoRa Protocol
86 +
87 +
88 += LA66 LoRaWAN Shield =
89 +
90 +== Overview ==
91 +
92 +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.
93 +
94 +
95 +== Features ==
96 +
97 +* Arduino Shield base on LA66 LoRaWAN module
98 +* 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
101 +* 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
... ... @@ -63,10 +63,8 @@
63 63  * Firmware upgradable via UART interface
64 64  * Ultra-long RF range
65 65  
108 +== Specification ==
66 66  
67 -== 1.3  Specification ==
68 -
69 -
70 70  * CPU: 32-bit 48 MHz
71 71  * Flash: 256KB
72 72  * RAM: 64KB
... ... @@ -85,64 +85,212 @@
85 85  * LoRa Rx current: <9 mA
86 86  * I/O Voltage: 3.3v
87 87  
128 +== Pin Mapping & LED ==
88 88  
89 -== 1.4  AT Command ==
130 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
90 90  
132 +== Example: Join TTN network and send an uplink message, get downlink message. ==
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]].
134 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
93 93  
136 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
94 94  
138 +=== what needs to be used ===
95 95  
96 -== 1.5  Dimension ==
140 +1.LA66 LoRaWAN Shield that needs to be upgraded
97 97  
142 +2.Arduino
98 98  
99 -[[image:image-20220718094750-3.png]]
144 +3.USB TO TTL
100 100  
146 +[[image:image-20220602100052-2.png]]
101 101  
148 +=== Wiring Schematic ===
102 102  
103 -== 1.6  Pin Mapping ==
150 +[[image:image-20220602101311-3.png]]
104 104  
105 -[[image:image-20220720111850-1.png]]
152 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
106 106  
154 +GND  >>>>>>>>>>>>GND
107 107  
156 +TXD  >>>>>>>>>>>>TXD
108 108  
109 -== 1.7  Land Pattern ==
158 +RXD  >>>>>>>>>>>>RXD
110 110  
160 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
111 111  
112 -[[image:image-20220517072821-2.png]]
162 +Connect to the PC after connecting the wires
113 113  
164 +[[image:image-20220602102240-4.png]]
114 114  
166 +=== Upgrade steps ===
115 115  
116 -= 2.  FAQ =
168 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
117 117  
170 +[[image:image-20220602102824-5.png]]
118 118  
119 -== 2.1  How to Compile Source Code for LA66? ==
172 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
120 120  
174 +[[image:image-20220602104701-12.png]]
121 121  
122 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
176 +==== Open the upgrade application software ====
123 123  
178 +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/]]
124 124  
125 -== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
180 +[[image:image-20220602103227-6.png]]
126 126  
127 -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.
182 +[[image:image-20220602103357-7.png]]
128 128  
184 +===== Select the COM port corresponding to USB TTL =====
129 129  
130 -= 3.  Order Info =
186 +[[image:image-20220602103844-8.png]]
131 131  
188 +===== Select the bin file to burn =====
132 132  
133 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
190 +[[image:image-20220602104144-9.png]]
134 134  
192 +[[image:image-20220602104251-10.png]]
135 135  
136 -(% style="color:blue" %)**XXX**(%%): The default frequency band
194 +[[image:image-20220602104402-11.png]]
137 137  
138 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
139 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
140 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
141 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
142 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
143 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
144 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
145 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
146 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
196 +===== Click to start the download =====
147 147  
198 +[[image:image-20220602104923-13.png]]
199 +
200 +===== The following figure appears to prove that the burning is in progress =====
201 +
202 +[[image:image-20220602104948-14.png]]
203 +
204 +===== The following picture appears to prove that the burning is successful =====
205 +
206 +[[image:image-20220602105251-15.png]]
207 +
208 +(% class="wikigeneratedid" %)
209 += =
210 +
211 +== Order Info ==
212 +
213 +Part Number: **LA66-LoRaWAN-Shield-XXX**
214 +
215 +**XX**: The default frequency band
216 +
217 +* **AS923**: LoRaWAN AS923 band
218 +* **AU915**: LoRaWAN AU915 band
219 +* **EU433**: LoRaWAN EU433 band
220 +* **EU868**: LoRaWAN EU868 band
221 +* **KR920**: LoRaWAN KR920 band
222 +* **US915**: LoRaWAN US915 band
223 +* **IN865**: LoRaWAN IN865 band
224 +* **CN470**: LoRaWAN CN470 band
225 +* **PP**: Peer to Peer LoRa Protocol
226 +
227 +
228 +(% class="wikigeneratedid" %)
229 +== Package Info ==
230 +
231 +* LA66 LoRaWAN Shield x 1
232 +* RF Antenna x 1
233 +
234 +
235 +
236 +
237 +
238 += LA66 USB LoRaWAN Adapter =
239 +
240 +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.
241 +
242 +Before use, please make sure that the computer has installed the CP2102 driver
243 +
244 +== Pin Mapping & LED ==
245 +
246 +== Example Send & Get Messages via LoRaWAN in PC ==
247 +
248 +Connect the LA66 LoRa Shield to the PC
249 +
250 +[[image:image-20220602171217-1.png||height="615" width="915"]]
251 +
252 +Open the serial port tool
253 +
254 +[[image:image-20220602161617-8.png]]
255 +
256 +[[image:image-20220602161718-9.png||height="529" width="927"]]
257 +
258 +Press the reset switch RST on the LA66 LoRa Shield.
259 +
260 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
261 +
262 +[[image:image-20220602161935-10.png]]
263 +
264 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
265 +
266 +example: AT+SENDB=01,02,8,05820802581ea0a5
267 +
268 +[[image:image-20220602162157-11.png]]
269 +
270 +Check to see if TTN received the message
271 +
272 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
273 +
274 +== Example Send & Get Messages via LoRaWAN in RPi ==
275 +
276 +Connect the LA66 LoRa Shield to the RPI
277 +
278 +[[image:image-20220602171233-2.png||height="592" width="881"]]
279 +
280 +Log in to the RPI's terminal and connect to the serial port
281 +
282 +[[image:image-20220602153146-3.png]]
283 +
284 +Press the reset switch RST on the LA66 LoRa Shield.
285 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
286 +
287 +[[image:image-20220602154928-5.png]]
288 +
289 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
290 +
291 +example: AT+SENDB=01,02,8,05820802581ea0a5
292 +
293 +[[image:image-20220602160339-6.png]]
294 +
295 +Check to see if TTN received the message
296 +
297 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
298 +
299 +=== Install Minicom ===
300 +
301 +Enter the following command in the RPI terminal
302 +
303 +apt update
304 +
305 +[[image:image-20220602143155-1.png]]
306 +
307 +apt install minicom
308 +
309 +[[image:image-20220602143744-2.png]]
310 +
311 +=== Send PC's CPU/RAM usage to TTN via script. ===
312 +
313 +==== Take python as an example： ====
314 +
315 +===== Preconditions: =====
316 +
317 +1.LA66 USB LoRaWAN Adapter works fine
318 +
319 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
320 +
321 +===== Steps for usage =====
322 +
323 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
324 +
325 +2.Run the script and see the TTN
326 +
327 +[[image:image-20220602115852-3.png]]
328 +
329 +
330 +
331 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
332 +
333 +
334 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
335 +
148 148  
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