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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 73.1
edited by Edwin Chen
on 2022/07/03 00:12
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 -
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 += LA66 LoRaWAN Shield =
88 +
89 +== Overview ==
90 +
91 +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.
92 +
93 +
94 +== Features ==
95 +
96 +* Arduino Shield base on LA66 LoRaWAN module
97 +* 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
100 +* 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
... ... @@ -63,11 +63,8 @@
63 63  * Firmware upgradable via UART interface
64 64  * Ultra-long RF range
65 65  
107 +== Specification ==
66 66  
67 -
68 -== 1.3  Specification ==
69 -
70 -
71 71  * CPU: 32-bit 48 MHz
72 72  * Flash: 256KB
73 73  * RAM: 64KB
... ... @@ -86,65 +86,265 @@
86 86  * LoRa Rx current: <9 mA
87 87  * I/O Voltage: 3.3v
88 88  
127 +== Pin Mapping & LED ==
89 89  
129 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
90 90  
91 -== 1.4  AT Command ==
131 +== Example: Join TTN network and send an uplink message, get downlink message. ==
92 92  
133 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
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.
135 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
95 95  
137 +=== what needs to be used ===
96 96  
139 +1.LA66 LoRaWAN Shield that needs to be upgraded
97 97  
98 -== 1.5  Dimension ==
141 +2.Arduino
99 99  
143 +3.USB TO TTL
100 100  
101 -[[image:image-20220718094750-3.png]]
145 +[[image:image-20220602100052-2.png]]
102 102  
147 +=== Wiring Schematic ===
103 103  
149 +[[image:image-20220602101311-3.png]]
104 104  
105 -== 1.6  Pin Mapping ==
151 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
106 106  
107 -[[image:image-20220720111850-1.png]]
153 +GND  >>>>>>>>>>>>GND
108 108  
155 +TXD  >>>>>>>>>>>>TXD
109 109  
157 +RXD  >>>>>>>>>>>>RXD
110 110  
111 -== 1.7  Land Pattern ==
159 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
112 112  
161 +Connect to the PC after connecting the wires
113 113  
114 -[[image:image-20220517072821-2.png]]
163 +[[image:image-20220602102240-4.png]]
115 115  
165 +=== Upgrade steps ===
116 116  
167 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
117 117  
118 -= 2.  FAQ =
169 +[[image:image-20220602102824-5.png]]
119 119  
171 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
120 120  
121 -== 2.1  How to Compile Source Code for LA66? ==
173 +[[image:image-20220602104701-12.png]]
122 122  
175 +==== Open the upgrade application software ====
123 123  
124 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
177 +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/]]
125 125  
179 +[[image:image-20220602103227-6.png]]
126 126  
127 -== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
181 +[[image:image-20220602103357-7.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.
183 +===== Select the COM port corresponding to USB TTL =====
130 130  
185 +[[image:image-20220602103844-8.png]]
131 131  
132 -= 3.  Order Info =
187 +===== Select the bin file to burn =====
133 133  
189 +[[image:image-20220602104144-9.png]]
134 134  
135 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
191 +[[image:image-20220602104251-10.png]]
136 136  
193 +[[image:image-20220602104402-11.png]]
137 137  
138 -(% style="color:blue" %)**XXX**(%%): The default frequency band
195 +===== Click to start the download =====
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
197 +[[image:image-20220602104923-13.png]]
149 149  
199 +===== The following figure appears to prove that the burning is in progress =====
200 +
201 +[[image:image-20220602104948-14.png]]
202 +
203 +===== The following picture appears to prove that the burning is successful =====
204 +
205 +[[image:image-20220602105251-15.png]]
206 +
207 +
208 +== Order Info ==
209 +
210 +Part Number: **LA66-LoRaWAN-Shield-XXX**
211 +
212 +**XX**: The default frequency band
213 +
214 +* **AS923**: LoRaWAN AS923 band
215 +* **AU915**: LoRaWAN AU915 band
216 +* **EU433**: LoRaWAN EU433 band
217 +* **EU868**: LoRaWAN EU868 band
218 +* **KR920**: LoRaWAN KR920 band
219 +* **US915**: LoRaWAN US915 band
220 +* **IN865**: LoRaWAN IN865 band
221 +* **CN470**: LoRaWAN CN470 band
222 +* **PP**: Peer to Peer LoRa Protocol
223 +
224 +== Package Info ==
225 +
226 +* LA66 LoRaWAN Shield x 1
227 +* RF Antenna x 1
228 +
229 +
230 +
231 +
232 += LA66 USB LoRaWAN Adapter =
233 +
234 +== Overview ==
235 +
236 +LA66 USB LoRaWAN Adapter is designed to fast turn USB devices to support LoRaWAN wireless features. It combines a CP2101 USB TTL Chip and LA66 LoRaWAN module which can easy to add LoRaWAN wireless feature to PC / Mobile phone or an embedded device that has USB Interface.
237 +
238 +
239 +== Features ==
240 +
241 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
242 +* Ultra-long RF range
243 +* Support LoRaWAN v1.0.4 protocol
244 +* Support peer-to-peer protocol
245 +* TCXO crystal to ensure RF performance on low temperature
246 +* Spring RF antenna
247 +* Available in different frequency LoRaWAN frequency bands.
248 +* World-wide unique OTAA keys.
249 +* AT Command via UART-TTL interface
250 +* Firmware upgradable via UART interface
251 +
252 +
253 +
254 +== Specification ==
255 +
256 +* CPU: 32-bit 48 MHz
257 +* Flash: 256KB
258 +* RAM: 64KB
259 +* Input Power Range: 5v
260 +* Frequency Range: 150 MHz ~~ 960 MHz
261 +* Maximum Power +22 dBm constant RF output
262 +* High sensitivity: -148 dBm
263 +* Temperature:
264 +** Storage: -55 ~~ +125℃
265 +** Operating: -40 ~~ +85℃
266 +* Humidity:
267 +** Storage: 5 ~~ 95% (Non-Condensing)
268 +** Operating: 10 ~~ 95% (Non-Condensing)
269 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
270 +* LoRa Rx current: <9 mA
271 +
272 +
273 +
274 +== Pin Mapping & LED ==
275 +
276 +== Example Send & Get Messages via LoRaWAN in PC ==
277 +
278 +Connect the LA66 LoRa Shield to the PC
279 +
280 +[[image:image-20220602171217-1.png||height="615" width="915"]]
281 +
282 +Open the serial port tool
283 +
284 +[[image:image-20220602161617-8.png]]
285 +
286 +[[image:image-20220602161718-9.png||height="529" width="927"]]
287 +
288 +Press the reset switch RST on the LA66 LoRa Shield.
289 +
290 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
291 +
292 +[[image:image-20220602161935-10.png]]
293 +
294 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
295 +
296 +example: AT+SENDB=01,02,8,05820802581ea0a5
297 +
298 +[[image:image-20220602162157-11.png]]
299 +
300 +Check to see if TTN received the message
301 +
302 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
303 +
304 +== Example Send & Get Messages via LoRaWAN in RPi ==
305 +
306 +Connect the LA66 LoRa Shield to the RPI
307 +
308 +[[image:image-20220602171233-2.png||height="592" width="881"]]
309 +
310 +Log in to the RPI's terminal and connect to the serial port
311 +
312 +[[image:image-20220602153146-3.png]]
313 +
314 +Press the reset switch RST on the LA66 LoRa Shield.
315 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
316 +
317 +[[image:image-20220602154928-5.png]]
318 +
319 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
320 +
321 +example: AT+SENDB=01,02,8,05820802581ea0a5
322 +
323 +[[image:image-20220602160339-6.png]]
324 +
325 +Check to see if TTN received the message
326 +
327 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
328 +
329 +=== Install Minicom ===
330 +
331 +Enter the following command in the RPI terminal
332 +
333 +apt update
334 +
335 +[[image:image-20220602143155-1.png]]
336 +
337 +apt install minicom
338 +
339 +[[image:image-20220602143744-2.png]]
340 +
341 +=== Send PC's CPU/RAM usage to TTN via script. ===
342 +
343 +==== Take python as an example： ====
344 +
345 +===== Preconditions: =====
346 +
347 +1.LA66 USB LoRaWAN Adapter works fine
348 +
349 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
350 +
351 +===== Steps for usage =====
352 +
353 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
354 +
355 +2.Run the script and see the TTN
356 +
357 +[[image:image-20220602115852-3.png]]
358 +
359 +
360 +
361 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
362 +
363 +
364 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
365 +
366 +
367 +
368 +== Order Info ==
369 +
370 +Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
371 +
372 +**XX**: The default frequency band
373 +
374 +* **AS923**: LoRaWAN AS923 band
375 +* **AU915**: LoRaWAN AU915 band
376 +* **EU433**: LoRaWAN EU433 band
377 +* **EU868**: LoRaWAN EU868 band
378 +* **KR920**: LoRaWAN KR920 band
379 +* **US915**: LoRaWAN US915 band
380 +* **IN865**: LoRaWAN IN865 band
381 +* **CN470**: LoRaWAN CN470 band
382 +* **PP**: Peer to Peer LoRa Protocol
383 +
384 +== Package Info ==
385 +
386 +* LA66 USB LoRaWAN Adapter x 1
387 +
150 150  
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