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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 87.2
edited by Xiaoling
on 2022/07/13 09:34
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.Edwin
1 +XWiki.Xiaoling
Content
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1 1  
2 2  
3 -**Table of Contents:**
3 +{{box cssClass="floatinginfobox" title="**Contents**"}}
4 +{{toc/}}
5 +{{/box}}
4 4  
5 5  {{toc/}}
6 6  
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12 12  == 1.1  What is LA66 LoRaWAN Module ==
13 13  
14 14  
15 -(((
16 -(((
17 -[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 -)))
19 -
20 -(((
21 -
22 -)))
23 -
24 -(((
25 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 -)))
19 +(% 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.
34 34  
35 -(((
36 -(((
37 37  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 -)))
39 39  
40 -(((
41 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 -)))
44 44  
45 -(((
46 -(((
47 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  
51 51  
52 -
53 53  == 1.2  Features ==
54 54  
55 -
56 -* Support LoRaWAN v1.0.3 protocol
30 +* 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 59  * SMD Antenna pad and i-pex antenna connector
... ... @@ -66,7 +66,6 @@
66 66  
67 67  == 1.3  Specification ==
68 68  
69 -
70 70  * CPU: 32-bit 48 MHz
71 71  * Flash: 256KB
72 72  * RAM: 64KB
... ... @@ -88,61 +88,362 @@
88 88  
89 89  == 1.4  AT Command ==
90 90  
64 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
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]].
93 93  
94 -
95 -
96 96  == 1.5  Dimension ==
97 97  
69 +[[image:image-20220517072526-1.png]]
98 98  
99 -[[image:image-20220718094750-3.png]]
100 100  
101 101  
102 -
103 103  == 1.6  Pin Mapping ==
104 104  
105 -[[image:image-20220720111850-1.png]]
106 106  
76 +[[image:image-20220523101537-1.png]]
107 107  
108 108  
79 +
109 109  == 1.7  Land Pattern ==
110 110  
111 -
112 112  [[image:image-20220517072821-2.png]]
113 113  
114 114  
115 115  
116 -= 2.  FAQ =
86 += 2.  LA66 LoRaWAN Shield =
117 117  
118 118  
119 -== 2.1  How to Compile Source Code for LA66? ==
89 +== 2.1  Overview ==
120 120  
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.
121 121  
122 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
123 123  
94 +== 2.2  Features ==
124 124  
125 -== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
96 +* Arduino Shield base on LA66 LoRaWAN module
97 +* Support LoRaWAN v1.0.4 protocol
98 +* Support peer-to-peer protocol
99 +* TCXO crystal to ensure RF performance on low temperature
100 +* SMA connector
101 +* Available in different frequency LoRaWAN frequency bands.
102 +* World-wide unique OTAA keys.
103 +* AT Command via UART-TTL interface
104 +* Firmware upgradable via UART interface
105 +* Ultra-long RF range
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.
128 128  
108 +== 2.3  Specification ==
129 129  
130 -= 3.  Order Info =
110 +* CPU: 32-bit 48 MHz
111 +* Flash: 256KB
112 +* RAM: 64KB
113 +* Input Power Range: 1.8v ~~ 3.7v
114 +* Power Consumption: < 4uA.
115 +* Frequency Range: 150 MHz ~~ 960 MHz
116 +* Maximum Power +22 dBm constant RF output
117 +* High sensitivity: -148 dBm
118 +* Temperature:
119 +** Storage: -55 ~~ +125℃
120 +** Operating: -40 ~~ +85℃
121 +* Humidity:
122 +** Storage: 5 ~~ 95% (Non-Condensing)
123 +** Operating: 10 ~~ 95% (Non-Condensing)
124 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
125 +* LoRa Rx current: <9 mA
126 +* I/O Voltage: 3.3v
131 131  
132 132  
133 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
129 +== 2.4  Pin Mapping & LED ==
134 134  
135 135  
136 -(% style="color:blue" %)**XXX**(%%): The default frequency band
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
133 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
147 147  
135 +
136 +
137 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
138 +
139 +
140 +
141 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
142 +
143 +
144 +
145 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
146 +
147 +
148 +=== 2.8.1  Items needed for update ===
149 +
150 +1. LA66 LoRaWAN Shield
151 +1. Arduino
152 +1. USB TO TTL Adapter
153 +
154 +[[image:image-20220602100052-2.png||height="385" width="600"]]
155 +
156 +
157 +=== 2.8.2  Connection ===
158 +
159 +
160 +[[image:image-20220602101311-3.png||height="276" width="600"]]
161 +
162 +
163 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
164 +
165 +
166 +(% style="background-color:yellow" %)**GND  <-> GND
167 +TXD  <->  TXD
168 +RXD  <->  RXD**
169 +
170 +
171 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
172 +
173 +Connect USB TTL Adapter to PC after connecting the wires
174 +
175 +
176 +[[image:image-20220602102240-4.png||height="304" width="600"]]
177 +
178 +
179 +=== 2.8.3  Upgrade steps ===
180 +
181 +
182 +==== 1.  Switch SW1 to put in ISP position ====
183 +
184 +
185 +[[image:image-20220602102824-5.png||height="306" width="600"]]
186 +
187 +
188 +==== 2.  Press the RST switch once ====
189 +
190 +[[image:image-20220602104701-12.png||height="285" width="600"]]
191 +
192 +
193 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
194 +
195 +
196 +(% style="color:blue" %)**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/]]**
197 +
198 +
199 +[[image:image-20220602103227-6.png]]
200 +
201 +
202 +[[image:image-20220602103357-7.png]]
203 +
204 +
205 +
206 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
207 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
208 +
209 +
210 +[[image:image-20220602103844-8.png]]
211 +
212 +
213 +
214 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
215 +(% style="color:blue" %)**3. Select the bin file to burn**
216 +
217 +
218 +[[image:image-20220602104144-9.png]]
219 +
220 +
221 +[[image:image-20220602104251-10.png]]
222 +
223 +
224 +[[image:image-20220602104402-11.png]]
225 +
226 +
227 +
228 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
229 +(% style="color:blue" %)**4. Click to start the download**
230 +
231 +[[image:image-20220602104923-13.png]]
232 +
233 +
234 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
235 +(% style="color:blue" %)**5. Check update process**
236 +
237 +
238 +[[image:image-20220602104948-14.png]]
239 +
240 +
241 +
242 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
243 +(% style="color:blue" %)**The following picture shows that the burning is successful**
244 +
245 +[[image:image-20220602105251-15.png]]
246 +
247 +
248 +
249 += 3.  LA66 USB LoRaWAN Adapter =
250 +
251 +
252 +== 3.1  Overview ==
253 +
254 +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.
255 +
256 +
257 +== 3.2  Features ==
258 +
259 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
260 +* Ultra-long RF range
261 +* Support LoRaWAN v1.0.4 protocol
262 +* Support peer-to-peer protocol
263 +* TCXO crystal to ensure RF performance on low temperature
264 +* Spring RF antenna
265 +* Available in different frequency LoRaWAN frequency bands.
266 +* World-wide unique OTAA keys.
267 +* AT Command via UART-TTL interface
268 +* Firmware upgradable via UART interface
269 +
270 +== Specification ==
271 +
272 +* CPU: 32-bit 48 MHz
273 +* Flash: 256KB
274 +* RAM: 64KB
275 +* Input Power Range: 5v
276 +* Frequency Range: 150 MHz ~~ 960 MHz
277 +* Maximum Power +22 dBm constant RF output
278 +* High sensitivity: -148 dBm
279 +* Temperature:
280 +** Storage: -55 ~~ +125℃
281 +** Operating: -40 ~~ +85℃
282 +* Humidity:
283 +** Storage: 5 ~~ 95% (Non-Condensing)
284 +** Operating: 10 ~~ 95% (Non-Condensing)
285 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
286 +* LoRa Rx current: <9 mA
287 +
288 +== Pin Mapping & LED ==
289 +
290 +== Example Send & Get Messages via LoRaWAN in PC ==
291 +
292 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
293 +
294 +~1. Connect the LA66 USB LoRaWAN adapter to PC
295 +
296 +[[image:image-20220602171217-1.png||height="538" width="800"]]
297 +
298 +Open the serial port tool
299 +
300 +[[image:image-20220602161617-8.png]]
301 +
302 +[[image:image-20220602161718-9.png||height="457" width="800"]]
303 +
304 +
305 +2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
306 +
307 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
308 +
309 +[[image:image-20220602161935-10.png||height="498" width="800"]]
310 +
311 +
312 +3. See Uplink Command
313 +
314 +Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
315 +
316 +example: AT+SENDB=01,02,8,05820802581ea0a5
317 +
318 +[[image:image-20220602162157-11.png||height="497" width="800"]]
319 +
320 +
321 +4. Check to see if TTN received the message
322 +
323 +[[image:image-20220602162331-12.png||height="420" width="800"]]
324 +
325 +
326 +
327 +== Example:Send PC's CPU/RAM usage to TTN via python ==
328 +
329 +(% class="wikigeneratedid" id="HUsepythonasanexampleFF1A" %)
330 +**Use python as an example：**[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py]]
331 +
332 +(% class="wikigeneratedid" id="HPreconditions:" %)
333 +**Preconditions:**
334 +
335 +1.LA66 USB LoRaWAN Adapter works fine
336 +
337 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
338 +
339 +(% class="wikigeneratedid" id="HStepsforusage" %)
340 +**Steps for usage**
341 +
342 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
343 +
344 +2.Run the python script in PC and see the TTN
345 +
346 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
347 +
348 +
349 +
350 +== Example Send & Get Messages via LoRaWAN in RPi ==
351 +
352 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
353 +
354 +~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
355 +
356 +[[image:image-20220602171233-2.png||height="538" width="800"]]
357 +
358 +
359 +2. Install Minicom in RPi.
360 +
361 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
362 +
363 +(% class="mark" %)apt update
364 +
365 +(% class="mark" %)apt install minicom
366 +
367 +
368 +Use minicom to connect to the RPI's terminal
369 +
370 +[[image:image-20220602153146-3.png||height="439" width="500"]]
371 +
372 +
373 +3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
374 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
375 +
376 +[[image:image-20220602154928-5.png||height="436" width="500"]]
377 +
378 +
379 +4. Send Uplink message
380 +
381 +Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
382 +
383 +example: AT+SENDB=01,02,8,05820802581ea0a5
384 +
385 +[[image:image-20220602160339-6.png||height="517" width="600"]]
386 +
387 +Check to see if TTN received the message
388 +
389 +[[image:image-20220602160627-7.png||height="369" width="800"]]
390 +
391 +
392 +
393 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
394 +
395 +
396 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
397 +
398 +
399 +
400 += Order Info =
401 +
402 +Part Number:
403 +
404 +**LA66-XXX**, **LA66-LoRaWAN-Shield-XXX** or **LA66-USB-LoRaWAN-Adapter-XXX**
405 +
406 +**XXX**: The default frequency band
407 +
408 +* **AS923**: LoRaWAN AS923 band
409 +* **AU915**: LoRaWAN AU915 band
410 +* **EU433**: LoRaWAN EU433 band
411 +* **EU868**: LoRaWAN EU868 band
412 +* **KR920**: LoRaWAN KR920 band
413 +* **US915**: LoRaWAN US915 band
414 +* **IN865**: LoRaWAN IN865 band
415 +* **CN470**: LoRaWAN CN470 band
416 +* **PP**: Peer to Peer LoRa Protocol
417 +
418 += Reference =
419 +
420 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
421 +
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