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Last modified by Xiaoling on 2023/09/19 09:20
From version 149.2
edited by Xiaoling
on 2022/10/21 11:10
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To version 83.1
edited by Edwin Chen
on 2022/07/10 22:05
Change comment: There is no comment for this version

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Title
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1 -LA66 LoRaWAN Module User Manual
1 +LA66 LoRaWAN Module
Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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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
... ... @@ -86,113 +86,290 @@
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>>https://www.dropbox.com/sh/wtq43za8sykpgta/AABAEE02uEAsRU-JV7bzEhMba?dl=0]].
135 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
95 95  
137 +=== Items needed for update ===
96 96  
139 +1. LA66 LoRaWAN Shield
140 +1. Arduino
141 +1. USB TO TTL Adapter
97 97  
98 -== 1.5  Dimension ==
143 +[[image:image-20220602100052-2.png||height="385" width="600"]]
99 99  
100 100  
101 -[[image:image-20220718094750-3.png]]
146 +=== Connection ===
102 102  
148 +[[image:image-20220602101311-3.png||height="276" width="600"]]
103 103  
150 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
151 +**GND  <-> GND
152 +TXD  <-> TXD
153 +RXD  <-> RXD**
104 104  
105 -== 1.6  Pin Mapping ==
155 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
106 106  
107 -[[image:image-20220720111850-1.png]]
157 +Connect USB TTL Adapter to PC after connecting the wires
108 108  
109 109  
160 +[[image:image-20220602102240-4.png||height="304" width="600"]]
110 110  
111 -== 1.7  Land Pattern ==
112 112  
163 +=== Upgrade steps ===
113 113  
114 -[[image:image-20220517072821-2.png]]
165 +==== Switch SW1 to put in ISP position ====
115 115  
167 +[[image:image-20220602102824-5.png||height="306" width="600"]]
116 116  
117 117  
118 -= 2.  FAQ =
170 +==== Press the RST switch once ====
119 119  
172 +[[image:image-20220602104701-12.png||height="285" width="600"]]
120 120  
121 -== 2.1  Where to find examples of how to use LA66? ==
122 122  
175 +==== Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
123 123  
124 -(% class="wikigeneratedid" %)
125 -Below products are made by LA66. User can use their examples as reference:
177 +**~1. 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 -* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
128 -* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
179 +[[image:image-20220602103227-6.png]]
129 129  
181 +[[image:image-20220602103357-7.png]]
130 130  
131 131  
132 -== 2.2  How to Compile Source Code for LA66? ==
184 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
185 +**2. Select the COM port corresponding to USB TTL**
133 133  
187 +[[image:image-20220602103844-8.png]]
134 134  
135 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
136 136  
190 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
191 +**3. Select the bin file to burn**
137 137  
193 +[[image:image-20220602104144-9.png]]
138 138  
139 -== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
195 +[[image:image-20220602104251-10.png]]
140 140  
197 +[[image:image-20220602104402-11.png]]
141 141  
142 -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.
143 143  
200 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
201 +**4. Click to start the download**
144 144  
203 +[[image:image-20220602104923-13.png]]
145 145  
146 -== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
147 147  
206 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
207 +**5. Check update process**
148 148  
149 -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]]
209 +[[image:image-20220602104948-14.png]]
150 150  
151 151  
212 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
213 +**The following picture shows that the burning is successful**
152 152  
153 -= 3.  Order Info =
215 +[[image:image-20220602105251-15.png]]
154 154  
155 155  
156 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
218 +== Order Info ==
157 157  
220 +Part Number: **LA66-LoRaWAN-Shield-XXX**
158 158  
159 -(% style="color:blue" %)**XXX**(%%): The default frequency band
222 +**XX**: The default frequency band
160 160  
161 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
162 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
163 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
164 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
165 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
166 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
167 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
168 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
169 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
224 +* **AS923**: LoRaWAN AS923 band
225 +* **AU915**: LoRaWAN AU915 band
226 +* **EU433**: LoRaWAN EU433 band
227 +* **EU868**: LoRaWAN EU868 band
228 +* **KR920**: LoRaWAN KR920 band
229 +* **US915**: LoRaWAN US915 band
230 +* **IN865**: LoRaWAN IN865 band
231 +* **CN470**: LoRaWAN CN470 band
232 +* **PP**: Peer to Peer LoRa Protocol
170 170  
234 +== Package Info ==
171 171  
236 +* LA66 LoRaWAN Shield x 1
237 +* RF Antenna x 1
172 172  
173 -= 4.  FCC Statement =
239 += LA66 USB LoRaWAN Adapter =
174 174  
241 +== Overview ==
175 175  
176 -(% style="color:red" %)**FCC Caution:**
243 +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.
177 177  
178 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
179 179  
180 -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.
246 +== Features ==
181 181  
248 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
249 +* Ultra-long RF range
250 +* Support LoRaWAN v1.0.4 protocol
251 +* Support peer-to-peer protocol
252 +* TCXO crystal to ensure RF performance on low temperature
253 +* Spring RF antenna
254 +* Available in different frequency LoRaWAN frequency bands.
255 +* World-wide unique OTAA keys.
256 +* AT Command via UART-TTL interface
257 +* Firmware upgradable via UART interface
182 182  
183 -(% style="color:red" %)**IMPORTANT NOTE: **
259 +== Specification ==
184 184  
185 -(% 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:
261 +* CPU: 32-bit 48 MHz
262 +* Flash: 256KB
263 +* RAM: 64KB
264 +* Input Power Range: 5v
265 +* Frequency Range: 150 MHz ~~ 960 MHz
266 +* Maximum Power +22 dBm constant RF output
267 +* High sensitivity: -148 dBm
268 +* Temperature:
269 +** Storage: -55 ~~ +125℃
270 +** Operating: -40 ~~ +85℃
271 +* Humidity:
272 +** Storage: 5 ~~ 95% (Non-Condensing)
273 +** Operating: 10 ~~ 95% (Non-Condensing)
274 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
275 +* LoRa Rx current: <9 mA
186 186  
187 -—Reorient or relocate the receiving antenna.
277 +== Pin Mapping & LED ==
188 188  
189 -—Increase the separation between the equipment and receiver.
279 +== Example Send & Get Messages via LoRaWAN in PC ==
190 190  
191 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
281 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
192 192  
193 -—Consult the dealer or an experienced radio/TV technician for help.
283 +~1. Connect the LA66 USB LoRaWAN adapter to PC
194 194  
285 +[[image:image-20220602171217-1.png||height="538" width="800"]]
195 195  
196 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
287 +Open the serial port tool
197 197  
198 -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.
289 +[[image:image-20220602161617-8.png]]
290 +
291 +[[image:image-20220602161718-9.png||height="457" width="800"]]
292 +
293 +
294 +2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
295 +
296 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
297 +
298 +[[image:image-20220602161935-10.png||height="498" width="800"]]
299 +
300 +
301 +3. See Uplink Command
302 +
303 +Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
304 +
305 +example: AT+SENDB=01,02,8,05820802581ea0a5
306 +
307 +[[image:image-20220602162157-11.png||height="497" width="800"]]
308 +
309 +
310 +4. Check to see if TTN received the message
311 +
312 +[[image:image-20220602162331-12.png||height="420" width="800"]]
313 +
314 +
315 +
316 +== (% id="cke_bm_637361S" style="display:none" %) (%%)Example: Send PC's CPU/RAM usage to TTN via python ==
317 +
318 +(% class="wikigeneratedid" id="HUsepythonasanexampleFF1A" %)
319 +**Use python as an example：**
320 +
321 +(% class="wikigeneratedid" id="HPreconditions:" %)
322 +**Preconditions:**
323 +
324 +1.LA66 USB LoRaWAN Adapter works fine
325 +
326 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
327 +
328 +(% class="wikigeneratedid" id="HStepsforusage" %)
329 +**Steps for usage**
330 +
331 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
332 +
333 +2.Run the python script in PC and see the TTN
334 +
335 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
336 +
337 +
338 +
339 +== Example Send & Get Messages via LoRaWAN in RPi ==
340 +
341 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
342 +
343 +~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
344 +
345 +[[image:image-20220602171233-2.png||height="538" width="800"]]
346 +
347 +
348 +2. Install Minicom in RPi.
349 +
350 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
351 +
352 +(% class="mark" %)apt update
353 +
354 +(% class="mark" %)apt install minicom
355 +
356 +
357 +Use minicom to connect to the RPI's terminal
358 +
359 +[[image:image-20220602153146-3.png||height="439" width="500"]]
360 +
361 +
362 +3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
363 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
364 +
365 +[[image:image-20220602154928-5.png||height="436" width="500"]]
366 +
367 +
368 +4. Send Uplink message
369 +
370 +Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
371 +
372 +example: AT+SENDB=01,02,8,05820802581ea0a5
373 +
374 +[[image:image-20220602160339-6.png||height="517" width="600"]]
375 +
376 +Check to see if TTN received the message
377 +
378 +[[image:image-20220602160627-7.png||height="369" width="800"]]
379 +
380 +
381 +
382 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
383 +
384 +
385 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
386 +
387 +
388 +
389 +== Order Info ==
390 +
391 +Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
392 +
393 +**XX**: The default frequency band
394 +
395 +* **AS923**: LoRaWAN AS923 band
396 +* **AU915**: LoRaWAN AU915 band
397 +* **EU433**: LoRaWAN EU433 band
398 +* **EU868**: LoRaWAN EU868 band
399 +* **KR920**: LoRaWAN KR920 band
400 +* **US915**: LoRaWAN US915 band
401 +* **IN865**: LoRaWAN IN865 band
402 +* **CN470**: LoRaWAN CN470 band
403 +* **PP**: Peer to Peer LoRa Protocol
404 +
405 +== Package Info ==
406 +
407 +* LA66 USB LoRaWAN Adapter x 1
408 +
409 += Reference =
410 +
411 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
412 +
413 +
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