<
From version < 87.9 >
edited by Xiaoling
on 2022/07/13 10:02
To version < 71.1 >
edited by Edwin Chen
on 2022/07/03 00:00
>
Change comment: There is no comment for this version

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Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
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1 -
2 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
3 3  {{toc/}}
3 +{{/box}}
4 4  
5 += LA66 LoRaWAN Module =
5 5  
7 +== What is LA66 LoRaWAN Module ==
6 6  
7 -= 1.  LA66 LoRaWAN Module =
8 -
9 -
10 -== 1.1  What is LA66 LoRaWAN Module ==
11 -
12 -
13 13  (% 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.
14 14  
15 15  (% 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.
... ... @@ -21,7 +21,7 @@
21 21  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
22 22  
23 23  
24 -== 1.2  Features ==
20 +== Features ==
25 25  
26 26  * Support LoRaWAN v1.0.4 protocol
27 27  * Support peer-to-peer protocol
... ... @@ -34,9 +34,8 @@
34 34  * Ultra-long RF range
35 35  
36 36  
33 +== Specification ==
37 37  
38 -== 1.3  Specification ==
39 -
40 40  * CPU: 32-bit 48 MHz
41 41  * Flash: 256KB
42 42  * RAM: 64KB
... ... @@ -55,41 +55,51 @@
55 55  * LoRa Rx current: <9 mA
56 56  * I/O Voltage: 3.3v
57 57  
53 +== AT Command ==
58 58  
59 -
60 -== 1.4  AT Command ==
61 -
62 62  AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
63 63  
64 64  
65 -== 1.5  Dimension ==
58 +== Dimension ==
66 66  
67 67  [[image:image-20220517072526-1.png]]
68 68  
69 69  
63 +== Pin Mapping ==
70 70  
71 -== 1.6  Pin Mapping ==
65 +[[image:image-20220523101537-1.png]]
72 72  
67 +== Land Pattern ==
73 73  
74 -[[image:image-20220523101537-1.png]]
69 +[[image:image-20220517072821-2.png]]
75 75  
76 76  
72 +== Part Number ==
77 77  
78 -== 1.7  Land Pattern ==
74 +Part Number: **LA66-XXX**
79 79  
80 -[[image:image-20220517072821-2.png]]
76 +**XX**: The default frequency band
81 81  
78 +* **AS923**: LoRaWAN AS923 band
79 +* **AU915**: LoRaWAN AU915 band
80 +* **EU433**: LoRaWAN EU433 band
81 +* **EU868**: LoRaWAN EU868 band
82 +* **KR920**: LoRaWAN KR920 band
83 +* **US915**: LoRaWAN US915 band
84 +* **IN865**: LoRaWAN IN865 band
85 +* **CN470**: LoRaWAN CN470 band
86 +* **PP**: Peer to Peer LoRa Protocol
82 82  
83 83  
84 -= 2.  LA66 LoRaWAN Shield =
85 85  
90 += LA66 LoRaWAN Shield =
86 86  
87 -== 2.1  Overview ==
92 +== Overview ==
88 88  
89 89  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.
90 90  
91 91  
92 -== 2.2  Features ==
97 +== Features ==
93 93  
94 94  * Arduino Shield base on LA66 LoRaWAN module
95 95  * Support LoRaWAN v1.0.4 protocol
... ... @@ -103,9 +103,8 @@
103 103  * Ultra-long RF range
104 104  
105 105  
111 +== Specification ==
106 106  
107 -== 2.3  Specification ==
108 -
109 109  * CPU: 32-bit 48 MHz
110 110  * Flash: 256KB
111 111  * RAM: 64KB
... ... @@ -125,323 +125,182 @@
125 125  * I/O Voltage: 3.3v
126 126  
127 127  
132 +== Pin Mapping & LED ==
128 128  
129 -== 2.4  Pin Mapping & LED ==
134 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
130 130  
136 +== Example: Join TTN network and send an uplink message, get downlink message. ==
131 131  
138 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
132 132  
133 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
140 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
134 134  
142 +=== what needs to be used ===
135 135  
144 +1.LA66 LoRaWAN Shield that needs to be upgraded
136 136  
137 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
146 +2.Arduino
138 138  
148 +3.USB TO TTL
139 139  
150 +[[image:image-20220602100052-2.png]]
140 140  
141 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
152 +=== Wiring Schematic ===
142 142  
154 +[[image:image-20220602101311-3.png]]
143 143  
156 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
144 144  
145 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
158 +GND  >>>>>>>>>>>>GND
146 146  
160 +TXD  >>>>>>>>>>>>TXD
147 147  
148 -=== 2.8.1  Items needed for update ===
162 +RXD  >>>>>>>>>>>>RXD
149 149  
150 -1. LA66 LoRaWAN Shield
151 -1. Arduino
152 -1. USB TO TTL Adapter
164 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
153 153  
154 -[[image:image-20220602100052-2.png||height="385" width="600"]]
166 +Connect to the PC after connecting the wires
155 155  
168 +[[image:image-20220602102240-4.png]]
156 156  
157 -=== 2.8.2  Connection ===
170 +=== Upgrade steps ===
158 158  
172 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
159 159  
160 -[[image:image-20220602101311-3.png||height="276" width="600"]]
174 +[[image:image-20220602102824-5.png]]
161 161  
176 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
162 162  
163 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
178 +[[image:image-20220602104701-12.png]]
164 164  
165 -(% style="background-color:yellow" %)**GND  <-> GND
166 -TXD  <->  TXD
167 -RXD  <->  RXD**
180 +==== Open the upgrade application software ====
168 168  
182 +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/]]
169 169  
170 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
171 -
172 -Connect USB TTL Adapter to PC after connecting the wires
173 -
174 -
175 -[[image:image-20220602102240-4.png||height="304" width="600"]]
176 -
177 -
178 -=== 2.8.3  Upgrade steps ===
179 -
180 -
181 -==== 1.  Switch SW1 to put in ISP position ====
182 -
183 -
184 -[[image:image-20220602102824-5.png||height="306" width="600"]]
185 -
186 -
187 -
188 -==== 2.  Press the RST switch once ====
189 -
190 -[[image:image-20220602104701-12.png||height="285" width="600"]]
191 -
192 -
193 -
194 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
195 -
196 -
197 -(% 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/]]**
198 -
199 -
200 200  [[image:image-20220602103227-6.png]]
201 201  
202 -
203 203  [[image:image-20220602103357-7.png]]
204 204  
188 +===== Select the COM port corresponding to USB TTL =====
205 205  
206 -
207 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
208 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
209 -
210 -
211 211  [[image:image-20220602103844-8.png]]
212 212  
192 +===== Select the bin file to burn =====
213 213  
214 -
215 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
216 -(% style="color:blue" %)**3. Select the bin file to burn**
217 -
218 -
219 219  [[image:image-20220602104144-9.png]]
220 220  
221 -
222 222  [[image:image-20220602104251-10.png]]
223 223  
224 -
225 225  [[image:image-20220602104402-11.png]]
226 226  
200 +===== Click to start the download =====
227 227  
228 -
229 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
230 -(% style="color:blue" %)**4. Click to start the download**
231 -
232 232  [[image:image-20220602104923-13.png]]
233 233  
204 +===== The following figure appears to prove that the burning is in progress =====
234 234  
235 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
236 -(% style="color:blue" %)**5. Check update process**
237 -
238 -
239 239  [[image:image-20220602104948-14.png]]
240 240  
208 +===== The following picture appears to prove that the burning is successful =====
241 241  
242 -
243 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
244 -(% style="color:blue" %)**The following picture shows that the burning is successful**
245 -
246 246  [[image:image-20220602105251-15.png]]
247 247  
212 += LA66 USB LoRaWAN Adapter =
248 248  
214 +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.
249 249  
250 -= 3.  LA66 USB LoRaWAN Adapter =
216 +Before use, please make sure that the computer has installed the CP2102 driver
251 251  
218 +== Pin Mapping & LED ==
252 252  
253 -== 3.1  Overview ==
220 +== Example Send & Get Messages via LoRaWAN in PC ==
254 254  
255 -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.
222 +Connect the LA66 LoRa Shield to the PC
256 256  
224 +[[image:image-20220602171217-1.png||height="615" width="915"]]
257 257  
258 -== 3.2  Features ==
259 -
260 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
261 -* Ultra-long RF range
262 -* Support LoRaWAN v1.0.4 protocol
263 -* Support peer-to-peer protocol
264 -* TCXO crystal to ensure RF performance on low temperature
265 -* Spring RF antenna
266 -* Available in different frequency LoRaWAN frequency bands.
267 -* World-wide unique OTAA keys.
268 -* AT Command via UART-TTL interface
269 -* Firmware upgradable via UART interface
270 -
271 -== 3.3  Specification ==
272 -
273 -* CPU: 32-bit 48 MHz
274 -* Flash: 256KB
275 -* RAM: 64KB
276 -* Input Power Range: 5v
277 -* Frequency Range: 150 MHz ~~ 960 MHz
278 -* Maximum Power +22 dBm constant RF output
279 -* High sensitivity: -148 dBm
280 -* Temperature:
281 -** Storage: -55 ~~ +125℃
282 -** Operating: -40 ~~ +85℃
283 -* Humidity:
284 -** Storage: 5 ~~ 95% (Non-Condensing)
285 -** Operating: 10 ~~ 95% (Non-Condensing)
286 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
287 -* LoRa Rx current: <9 mA
288 -
289 -== 3.4  Pin Mapping & LED ==
290 -
291 -
292 -
293 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
294 -
295 -
296 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
297 -
298 -
299 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
300 -
301 -
302 -[[image:image-20220602171217-1.png||height="538" width="800"]]
303 -
304 -
305 305  Open the serial port tool
306 306  
307 307  [[image:image-20220602161617-8.png]]
308 308  
309 -[[image:image-20220602161718-9.png||height="457" width="800"]]
230 +[[image:image-20220602161718-9.png||height="529" width="927"]]
310 310  
232 +Press the reset switch RST on the LA66 LoRa Shield.
311 311  
234 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
312 312  
313 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
236 +[[image:image-20220602161935-10.png]]
314 314  
315 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
238 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
316 316  
317 -
318 -[[image:image-20220602161935-10.png||height="498" width="800"]]
319 -
320 -
321 -
322 -(% style="color:blue" %)**3. See Uplink Command**
323 -
324 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
325 -
326 326  example: AT+SENDB=01,02,8,05820802581ea0a5
327 327  
328 -[[image:image-20220602162157-11.png||height="497" width="800"]]
242 +[[image:image-20220602162157-11.png]]
329 329  
244 +Check to see if TTN received the message
330 330  
246 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
331 331  
332 -(% style="color:blue" %)**4. Check to see if TTN received the message**
248 +== Example Send & Get Messages via LoRaWAN in RPi ==
333 333  
334 -[[image:image-20220602162331-12.png||height="420" width="800"]]
250 +Connect the LA66 LoRa Shield to the RPI
335 335  
252 +[[image:image-20220602171233-2.png||height="592" width="881"]]
336 336  
254 +Log in to the RPI's terminal and connect to the serial port
337 337  
338 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
256 +[[image:image-20220602153146-3.png]]
339 339  
258 +Press the reset switch RST on the LA66 LoRa Shield.
259 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
340 340  
341 -**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]]
261 +[[image:image-20220602154928-5.png]]
342 342  
263 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
343 343  
344 -(% style="color:red" %)**Preconditions:**
345 -
346 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
347 -
348 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
349 -
350 -
351 -
352 -(% style="color:blue" %)**Steps for usage:**
353 -
354 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
355 -
356 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
357 -
358 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
359 -
360 -
361 -
362 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
363 -
364 -
365 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
366 -
367 -
368 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
369 -
370 -[[image:image-20220602171233-2.png||height="538" width="800"]]
371 -
372 -
373 -
374 -(% style="color:blue" %)**2. Install Minicom in RPi.**
375 -
376 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
377 -
378 - (% style="background-color:yellow" %)**apt update**
379 -
380 - (% style="background-color:yellow" %)**apt install minicom**
381 -
382 -
383 -Use minicom to connect to the RPI's terminal
384 -
385 -[[image:image-20220602153146-3.png||height="439" width="500"]]
386 -
387 -
388 -
389 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**(%%)
390 -(% style="color:blue" %)The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
391 -
392 -[[image:image-20220602154928-5.png||height="436" width="500"]]
393 -
394 -
395 -
396 -(% style="color:blue" %)**4. Send Uplink message**
397 -
398 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
399 -
400 400  example: AT+SENDB=01,02,8,05820802581ea0a5
401 401  
267 +[[image:image-20220602160339-6.png]]
402 402  
403 -[[image:image-20220602160339-6.png||height="517" width="600"]]
404 -
405 -
406 -
407 407  Check to see if TTN received the message
408 408  
409 -[[image:image-20220602160627-7.png||height="369" width="800"]]
271 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
410 410  
273 +=== Install Minicom ===
411 411  
275 +Enter the following command in the RPI terminal
412 412  
413 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
277 +apt update
414 414  
279 +[[image:image-20220602143155-1.png]]
415 415  
281 +apt install minicom
416 416  
417 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
283 +[[image:image-20220602143744-2.png]]
418 418  
285 +=== Send PC's CPU/RAM usage to TTN via script. ===
419 419  
287 +==== Take python as an example: ====
420 420  
289 +===== Preconditions: =====
421 421  
422 -= 4.  Order Info =
291 +1.LA66 USB LoRaWAN Adapter works fine
423 423  
293 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
424 424  
425 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
295 +===== Steps for usage =====
426 426  
297 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
427 427  
428 -(% style="color:blue" %)**XXX**(%%): The default frequency band
299 +2.Run the script and see the TTN
429 429  
430 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
431 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
432 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
433 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
434 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
435 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
436 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
437 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
438 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
301 +[[image:image-20220602115852-3.png]]
439 439  
440 440  
441 441  
305 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
442 442  
443 -= 5.  Reference =
444 444  
445 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
308 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
446 446  
447 447  
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