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Last modified by Xiaoling on 2023/09/19 09:20
From version 149.1
edited by Edwin Chen
on 2022/10/21 11:04
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
... ... @@ -63,10 +63,8 @@
63 63  * Firmware upgradable via UART interface
64 64  * Ultra-long RF range
65 65  
107 +== Specification ==
66 66  
67 -== 1.3  Specification ==
68 -
69 -
70 70  * CPU: 32-bit 48 MHz
71 71  * Flash: 256KB
72 72  * RAM: 64KB
... ... @@ -85,112 +85,265 @@
85 85  * LoRa Rx current: <9 mA
86 86  * I/O Voltage: 3.3v
87 87  
127 +== Pin Mapping & LED ==
88 88  
89 -== 1.4  AT Command ==
129 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
90 90  
131 +== 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]].
133 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
93 93  
135 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
94 94  
137 +=== what needs to be used ===
95 95  
96 -== 1.5  Dimension ==
139 +1.LA66 LoRaWAN Shield that needs to be upgraded
97 97  
141 +2.Arduino
98 98  
99 -[[image:image-20220718094750-3.png]]
143 +3.USB TO TTL
100 100  
145 +[[image:image-20220602100052-2.png]]
101 101  
147 +=== Wiring Schematic ===
102 102  
103 -== 1.6  Pin Mapping ==
149 +[[image:image-20220602101311-3.png]]
104 104  
105 -[[image:image-20220720111850-1.png]]
151 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
106 106  
153 +GND  >>>>>>>>>>>>GND
107 107  
155 +TXD  >>>>>>>>>>>>TXD
108 108  
109 -== 1.7  Land Pattern ==
157 +RXD  >>>>>>>>>>>>RXD
110 110  
159 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
111 111  
112 -[[image:image-20220517072821-2.png]]
161 +Connect to the PC after connecting the wires
113 113  
163 +[[image:image-20220602102240-4.png]]
114 114  
165 +=== Upgrade steps ===
115 115  
116 -= 2.  FAQ =
167 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
117 117  
169 +[[image:image-20220602102824-5.png]]
118 118  
119 -(% class="wikigeneratedid" %)
120 -== 2.1 Where to find examples of how to use LA66? ==
171 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
121 121  
122 -(% class="wikigeneratedid" %)
123 -Below products are made by LA66. User can use their examples as reference:
173 +[[image:image-20220602104701-12.png]]
124 124  
125 -* LA66 Shield for Arduino
126 -* LA66 USB Adapter
175 +==== Open the upgrade application software ====
127 127  
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/]]
128 128  
179 +[[image:image-20220602103227-6.png]]
129 129  
130 -== 2.2  How to Compile Source Code for LA66? ==
181 +[[image:image-20220602103357-7.png]]
131 131  
183 +===== Select the COM port corresponding to USB TTL =====
132 132  
133 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
185 +[[image:image-20220602103844-8.png]]
134 134  
187 +===== Select the bin file to burn =====
135 135  
189 +[[image:image-20220602104144-9.png]]
136 136  
137 -== 2.3 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
191 +[[image:image-20220602104251-10.png]]
138 138  
193 +[[image:image-20220602104402-11.png]]
139 139  
140 -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.
195 +===== Click to start the download =====
141 141  
197 +[[image:image-20220602104923-13.png]]
142 142  
199 +===== The following figure appears to prove that the burning is in progress =====
143 143  
144 -== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
201 +[[image:image-20220602104948-14.png]]
145 145  
203 +===== The following picture appears to prove that the burning is successful =====
146 146  
147 -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]]
205 +[[image:image-20220602105251-15.png]]
148 148  
149 149  
208 +== Order Info ==
150 150  
151 -= 3.  Order Info =
210 +Part Number: **LA66-LoRaWAN-Shield-XXX**
152 152  
212 +**XX**: The default frequency band
153 153  
154 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
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
155 155  
224 +== Package Info ==
156 156  
157 -(% style="color:blue" %)**XXX**(%%): The default frequency band
226 +* LA66 LoRaWAN Shield x 1
227 +* RF Antenna x 1
158 158  
159 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
160 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
161 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
162 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
163 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
164 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
165 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
166 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
167 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
168 168  
169 169  
170 170  
171 -= 4.  FCC Statement =
232 += LA66 USB LoRaWAN Adapter =
172 172  
234 +== Overview ==
173 173  
174 -(% style="color:red" %)**FCC Caution:**
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.
175 175  
176 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
177 177  
178 -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.
239 +== Features ==
179 179  
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
180 180  
181 -(% style="color:red" %)**IMPORTANT NOTE: **
182 182  
183 -(% 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:
184 184  
185 -—Reorient or relocate the receiving antenna.
254 +== Specification ==
186 186  
187 -—Increase the separation between the equipment and receiver.
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
188 188  
189 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
190 190  
191 -—Consult the dealer or an experienced radio/TV technician for help.
192 192  
274 +== Pin Mapping & LED ==
193 193  
194 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
276 +== Example Send & Get Messages via LoRaWAN in PC ==
195 195  
196 -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.
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 +
388 +
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