<
From version < 87.12 >
edited by Xiaoling
on 2022/07/13 10:04
To version < 70.1 >
edited by Edwin Chen
on 2022/07/02 23:51
>
Change comment: There is no comment for this version

Summary

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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
... ... @@ -34,8 +34,9 @@
34 34  * Ultra-long RF range
35 35  
36 36  
37 -== 1.3  Specification ==
38 38  
34 +== Specification ==
35 +
39 39  * CPU: 32-bit 48 MHz
40 40  * Flash: 256KB
41 41  * RAM: 64KB
... ... @@ -54,395 +54,221 @@
54 54  * LoRa Rx current: <9 mA
55 55  * I/O Voltage: 3.3v
56 56  
54 +== AT Command ==
57 57  
58 -== 1.4  AT Command ==
59 -
60 60  AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
61 61  
62 62  
63 -== 1.5  Dimension ==
59 +== Dimension ==
64 64  
65 65  [[image:image-20220517072526-1.png]]
66 66  
67 67  
64 +== Pin Mapping ==
68 68  
69 -== 1.6  Pin Mapping ==
70 -
71 -
72 72  [[image:image-20220523101537-1.png]]
73 73  
68 +== Land Pattern ==
74 74  
75 -
76 -== 1.7  Land Pattern ==
77 -
78 78  [[image:image-20220517072821-2.png]]
79 79  
80 80  
73 +== Part Number ==
81 81  
82 -= 2.  LA66 LoRaWAN Shield =
75 +Part Number: **LA66-XXX**
83 83  
77 +**XX**: The default frequency band
84 84  
85 -== 2.1  Overview ==
79 +* **AS923**: LoRaWAN AS923 band
80 +* **AU915**: LoRaWAN AU915 band
81 +* **EU433**: LoRaWAN EU433 band
82 +* **EU868**: LoRaWAN EU868 band
83 +* **KR920**: LoRaWAN KR920 band
84 +* **US915**: LoRaWAN US915 band
85 +* **IN865**: LoRaWAN IN865 band
86 +* **CN470**: LoRaWAN CN470 band
87 +* **PP**: Peer to Peer LoRa Protocol
86 86  
87 -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.
89 += LA66 LoRaWAN Shield =
88 88  
91 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
89 89  
90 -== 2.2  Features ==
93 +== Pin Mapping & LED ==
91 91  
92 -* Arduino Shield base on LA66 LoRaWAN module
93 -* Support LoRaWAN v1.0.4 protocol
94 -* Support peer-to-peer protocol
95 -* TCXO crystal to ensure RF performance on low temperature
96 -* SMA connector
97 -* Available in different frequency LoRaWAN frequency bands.
98 -* World-wide unique OTAA keys.
99 -* AT Command via UART-TTL interface
100 -* Firmware upgradable via UART interface
101 -* Ultra-long RF range
95 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
102 102  
97 +== Example: Join TTN network and send an uplink message, get downlink message. ==
103 103  
104 -== 2.3  Specification ==
99 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
105 105  
106 -* CPU: 32-bit 48 MHz
107 -* Flash: 256KB
108 -* RAM: 64KB
109 -* Input Power Range: 1.8v ~~ 3.7v
110 -* Power Consumption: < 4uA.
111 -* Frequency Range: 150 MHz ~~ 960 MHz
112 -* Maximum Power +22 dBm constant RF output
113 -* High sensitivity: -148 dBm
114 -* Temperature:
115 -** Storage: -55 ~~ +125℃
116 -** Operating: -40 ~~ +85℃
117 -* Humidity:
118 -** Storage: 5 ~~ 95% (Non-Condensing)
119 -** Operating: 10 ~~ 95% (Non-Condensing)
120 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
121 -* LoRa Rx current: <9 mA
122 -* I/O Voltage: 3.3v
101 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
123 123  
103 +=== what needs to be used ===
124 124  
125 -== 2. Pin Mapping & LED ==
105 +1.LA66 LoRaWAN Shield that needs to be upgraded
126 126  
107 +2.Arduino
127 127  
109 +3.USB TO TTL
128 128  
129 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
111 +[[image:image-20220602100052-2.png]]
130 130  
113 +=== Wiring Schematic ===
131 131  
115 +[[image:image-20220602101311-3.png]]
132 132  
133 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
117 +LA66 LoRaWAN Shiel >>>>>>>>>>>>USB TTL
134 134  
119 +GND  >>>>>>>>>>>>GND
135 135  
121 +TXD  >>>>>>>>>>>>TXD
136 136  
137 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
123 +RXD  >>>>>>>>>>>>RXD
138 138  
125 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
139 139  
127 +Connect to the PC after connecting the wires
140 140  
141 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
129 +[[image:image-20220602102240-4.png]]
142 142  
131 +=== Upgrade steps ===
143 143  
144 -=== 2.8.1  Items needed for update ===
133 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
145 145  
146 -1. LA66 LoRaWAN Shield
147 -1. Arduino
148 -1. USB TO TTL Adapter
135 +[[image:image-20220602102824-5.png]]
149 149  
150 -[[image:image-20220602100052-2.png||height="385" width="600"]]
137 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
151 151  
139 +[[image:image-20220602104701-12.png]]
152 152  
153 -=== 2.8.2  Connection ===
141 +==== Open the upgrade application software ====
154 154  
143 +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/]]
155 155  
156 -[[image:image-20220602101311-3.png||height="276" width="600"]]
157 -
158 -
159 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
160 -
161 -(% style="background-color:yellow" %)**GND  <-> GND
162 -TXD  <->  TXD
163 -RXD  <->  RXD**
164 -
165 -
166 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
167 -
168 -Connect USB TTL Adapter to PC after connecting the wires
169 -
170 -
171 -[[image:image-20220602102240-4.png||height="304" width="600"]]
172 -
173 -
174 -=== 2.8.3  Upgrade steps ===
175 -
176 -
177 -==== 1.  Switch SW1 to put in ISP position ====
178 -
179 -
180 -[[image:image-20220602102824-5.png||height="306" width="600"]]
181 -
182 -
183 -
184 -==== 2.  Press the RST switch once ====
185 -
186 -
187 -[[image:image-20220602104701-12.png||height="285" width="600"]]
188 -
189 -
190 -
191 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
192 -
193 -
194 -(% 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/]]**
195 -
196 -
197 197  [[image:image-20220602103227-6.png]]
198 198  
199 -
200 200  [[image:image-20220602103357-7.png]]
201 201  
149 +===== Select the COM port corresponding to USB TTL =====
202 202  
203 -
204 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
205 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
206 -
207 -
208 208  [[image:image-20220602103844-8.png]]
209 209  
153 +===== Select the bin file to burn =====
210 210  
211 -
212 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
213 -(% style="color:blue" %)**3. Select the bin file to burn**
214 -
215 -
216 216  [[image:image-20220602104144-9.png]]
217 217  
218 -
219 219  [[image:image-20220602104251-10.png]]
220 220  
221 -
222 222  [[image:image-20220602104402-11.png]]
223 223  
161 +===== Click to start the download =====
224 224  
225 -
226 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
227 -(% style="color:blue" %)**4. Click to start the download**
228 -
229 229  [[image:image-20220602104923-13.png]]
230 230  
165 +===== The following figure appears to prove that the burning is in progress =====
231 231  
232 -
233 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
234 -(% style="color:blue" %)**5. Check update process**
235 -
236 -
237 237  [[image:image-20220602104948-14.png]]
238 238  
169 +===== The following picture appears to prove that the burning is successful =====
239 239  
240 -
241 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
242 -(% style="color:blue" %)**The following picture shows that the burning is successful**
243 -
244 244  [[image:image-20220602105251-15.png]]
245 245  
173 += LA66 USB LoRaWAN Adapter =
246 246  
175 +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.
247 247  
248 -= 3.  LA66 USB LoRaWAN Adapter =
177 +Before use, please make sure that the computer has installed the CP2102 driver
249 249  
179 +== Pin Mapping & LED ==
250 250  
251 -== 3.1  Overview ==
181 +== Example Send & Get Messages via LoRaWAN in PC ==
252 252  
253 -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.
183 +Connect the LA66 LoRa Shield to the PC
254 254  
185 +[[image:image-20220602171217-1.png||height="615" width="915"]]
255 255  
256 -== 3.2  Features ==
257 -
258 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
259 -* Ultra-long RF range
260 -* Support LoRaWAN v1.0.4 protocol
261 -* Support peer-to-peer protocol
262 -* TCXO crystal to ensure RF performance on low temperature
263 -* Spring RF antenna
264 -* Available in different frequency LoRaWAN frequency bands.
265 -* World-wide unique OTAA keys.
266 -* AT Command via UART-TTL interface
267 -* Firmware upgradable via UART interface
268 -
269 -
270 -== 3.3  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 -
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"]]
191 +[[image:image-20220602161718-9.png||height="529" width="927"]]
310 310  
193 +Press the reset switch RST on the LA66 LoRa Shield.
311 311  
195 +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.**
197 +[[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
199 +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"]]
203 +[[image:image-20220602162157-11.png]]
329 329  
205 +Check to see if TTN received the message
330 330  
207 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
331 331  
332 -(% style="color:blue" %)**4. Check to see if TTN received the message**
209 +== Example Send & Get Messages via LoRaWAN in RPi ==
333 333  
334 -[[image:image-20220602162331-12.png||height="420" width="800"]]
211 +Connect the LA66 LoRa Shield to the RPI
335 335  
213 +[[image:image-20220602171233-2.png||height="592" width="881"]]
336 336  
215 +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 ==
217 +[[image:image-20220602153146-3.png]]
339 339  
219 +Press the reset switch RST on the LA66 LoRa Shield.
220 +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]]
222 +[[image:image-20220602154928-5.png]]
342 342  
224 +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 -
391 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
392 -
393 -
394 -[[image:image-20220602154928-5.png||height="436" width="500"]]
395 -
396 -
397 -
398 -(% style="color:blue" %)**4. Send Uplink message**
399 -
400 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
401 -
402 402  example: AT+SENDB=01,02,8,05820802581ea0a5
403 403  
228 +[[image:image-20220602160339-6.png]]
404 404  
405 -[[image:image-20220602160339-6.png||height="517" width="600"]]
406 -
407 -
408 -
409 409  Check to see if TTN received the message
410 410  
411 -[[image:image-20220602160627-7.png||height="369" width="800"]]
232 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
412 412  
234 +=== Install Minicom ===
413 413  
236 +Enter the following command in the RPI terminal
414 414  
415 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
238 +apt update
416 416  
240 +[[image:image-20220602143155-1.png]]
417 417  
242 +apt install minicom
418 418  
419 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
244 +[[image:image-20220602143744-2.png]]
420 420  
246 +=== Send PC's CPU/RAM usage to TTN via script. ===
421 421  
248 +==== Take python as an example: ====
422 422  
250 +===== Preconditions: =====
423 423  
424 -= 4.  Order Info =
252 +1.LA66 USB LoRaWAN Adapter works fine
425 425  
254 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
426 426  
427 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
256 +===== Steps for usage =====
428 428  
258 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
429 429  
430 -(% style="color:blue" %)**XXX**(%%): The default frequency band
260 +2.Run the script and see the TTN
431 431  
432 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
433 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
434 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
435 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
436 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
437 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
438 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
439 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
440 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
262 +[[image:image-20220602115852-3.png]]
441 441  
442 442  
443 443  
444 -= 5.  Reference =
266 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
445 445  
446 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
447 447  
269 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
270 +
448 448  
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