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Last modified by Xiaoling on 2023/09/19 09:20
From version 148.7
edited by Xiaoling
on 2022/10/10 11:34
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To version 87.19
edited by Xiaoling
on 2022/07/13 10:33
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
Content
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13 13  
14 14  
15 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 26  )))
27 -)))
28 28  
29 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.
20 +(% 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.
32 32  )))
33 -)))
34 34  
35 35  (((
36 -(((
37 37  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 38  )))
39 39  
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40 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 42  )))
43 -)))
44 44  
45 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 48  )))
49 -)))
50 50  
51 51  
52 -
53 53  == 1.2  Features ==
54 54  
55 -
56 -* Support LoRaWAN v1.0.3 protocol
38 +* 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
... ... @@ -67,7 +67,6 @@
67 67  
68 68  == 1.3  Specification ==
69 69  
70 -
71 71  * CPU: 32-bit 48 MHz
72 72  * Flash: 256KB
73 73  * RAM: 64KB
... ... @@ -90,99 +90,405 @@
90 90  
91 91  == 1.4  AT Command ==
92 92  
74 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
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]].
95 95  
96 -
97 -
98 98  == 1.5  Dimension ==
99 99  
79 +[[image:image-20220517072526-1.png]]
100 100  
101 -[[image:image-20220718094750-3.png]]
102 102  
103 103  
104 -
105 105  == 1.6  Pin Mapping ==
106 106  
107 -[[image:image-20220720111850-1.png]]
108 108  
86 +[[image:image-20220523101537-1.png]]
109 109  
110 110  
89 +
111 111  == 1.7  Land Pattern ==
112 112  
113 -
114 114  [[image:image-20220517072821-2.png]]
115 115  
116 116  
117 117  
118 -= 2.  FAQ =
96 += 2.  LA66 LoRaWAN Shield =
119 119  
120 120  
121 -== 2.1  How to Compile Source Code for LA66? ==
99 +== 2.1  Overview ==
122 122  
101 +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.
123 123  
124 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
125 125  
104 +== 2.2  Features ==
126 126  
106 +* Arduino Shield base on LA66 LoRaWAN module
107 +* Support LoRaWAN v1.0.4 protocol
108 +* Support peer-to-peer protocol
109 +* TCXO crystal to ensure RF performance on low temperature
110 +* SMA connector
111 +* Available in different frequency LoRaWAN frequency bands.
112 +* World-wide unique OTAA keys.
113 +* AT Command via UART-TTL interface
114 +* Firmware upgradable via UART interface
115 +* Ultra-long RF range
127 127  
128 -== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
129 129  
130 130  
131 -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.
119 +== 2.3  Specification ==
132 132  
121 +* CPU: 32-bit 48 MHz
122 +* Flash: 256KB
123 +* RAM: 64KB
124 +* Input Power Range: 1.8v ~~ 3.7v
125 +* Power Consumption: < 4uA.
126 +* Frequency Range: 150 MHz ~~ 960 MHz
127 +* Maximum Power +22 dBm constant RF output
128 +* High sensitivity: -148 dBm
129 +* Temperature:
130 +** Storage: -55 ~~ +125℃
131 +** Operating: -40 ~~ +85℃
132 +* Humidity:
133 +** Storage: 5 ~~ 95% (Non-Condensing)
134 +** Operating: 10 ~~ 95% (Non-Condensing)
135 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
136 +* LoRa Rx current: <9 mA
137 +* I/O Voltage: 3.3v
133 133  
134 134  
135 -== 2.3  Where to find Peer-to-Peer firmware of LA66? ==
136 136  
141 +== 2.4  Pin Mapping & LED ==
137 137  
138 -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]]
139 139  
140 140  
145 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
141 141  
142 -= 3.  Order Info =
143 143  
144 144  
145 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
149 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
146 146  
147 147  
148 -(% style="color:blue" %)**XXX**(%%): The default frequency band
149 149  
150 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
151 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
152 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
153 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
154 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
155 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
156 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
157 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
158 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
153 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
159 159  
160 160  
161 161  
157 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
162 162  
163 -= 4.  FCC Statement =
164 164  
160 +=== 2.8.1  Items needed for update ===
165 165  
166 -(% style="color:red" %)**FCC Caution:**
162 +1. LA66 LoRaWAN Shield
163 +1. Arduino
164 +1. USB TO TTL Adapter
167 167  
168 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
169 169  
170 -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.
171 171  
172 172  
173 -(% style="color:red" %)**IMPORTANT NOTE: **
169 +[[image:image-20220602100052-2.png||height="385" width="600"]]
174 174  
175 -(% 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:
176 176  
177 -—Reorient or relocate the receiving antenna.
172 +=== 2.8.2  Connection ===
178 178  
179 -—Increase the separation between the equipment and receiver.
180 180  
181 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
175 +[[image:image-20220602101311-3.png||height="276" width="600"]]
182 182  
183 -—Consult the dealer or an experienced radio/TV technician for help.
184 184  
178 +(((
179 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
180 +)))
185 185  
186 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
182 +(((
183 +(% style="background-color:yellow" %)**GND  <-> GND
184 +TXD  <->  TXD
185 +RXD  <->  RXD**
186 +)))
187 187  
188 -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.
188 +
189 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
190 +
191 +Connect USB TTL Adapter to PC after connecting the wires
192 +
193 +
194 +[[image:image-20220602102240-4.png||height="304" width="600"]]
195 +
196 +
197 +=== 2.8.3  Upgrade steps ===
198 +
199 +
200 +==== 1.  Switch SW1 to put in ISP position ====
201 +
202 +
203 +[[image:image-20220602102824-5.png||height="306" width="600"]]
204 +
205 +
206 +
207 +==== 2.  Press the RST switch once ====
208 +
209 +
210 +[[image:image-20220602104701-12.png||height="285" width="600"]]
211 +
212 +
213 +
214 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
215 +
216 +
217 +(((
218 +(% 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/]]**
219 +)))
220 +
221 +
222 +[[image:image-20220602103227-6.png]]
223 +
224 +
225 +[[image:image-20220602103357-7.png]]
226 +
227 +
228 +
229 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
230 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
231 +
232 +
233 +[[image:image-20220602103844-8.png]]
234 +
235 +
236 +
237 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
238 +(% style="color:blue" %)**3. Select the bin file to burn**
239 +
240 +
241 +[[image:image-20220602104144-9.png]]
242 +
243 +
244 +[[image:image-20220602104251-10.png]]
245 +
246 +
247 +[[image:image-20220602104402-11.png]]
248 +
249 +
250 +
251 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
252 +(% style="color:blue" %)**4. Click to start the download**
253 +
254 +[[image:image-20220602104923-13.png]]
255 +
256 +
257 +
258 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
259 +(% style="color:blue" %)**5. Check update process**
260 +
261 +
262 +[[image:image-20220602104948-14.png]]
263 +
264 +
265 +
266 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
267 +(% style="color:blue" %)**The following picture shows that the burning is successful**
268 +
269 +[[image:image-20220602105251-15.png]]
270 +
271 +
272 +
273 += 3.  LA66 USB LoRaWAN Adapter =
274 +
275 +
276 +== 3.1  Overview ==
277 +
278 +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.
279 +
280 +
281 +== 3.2  Features ==
282 +
283 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
284 +* Ultra-long RF range
285 +* Support LoRaWAN v1.0.4 protocol
286 +* Support peer-to-peer protocol
287 +* TCXO crystal to ensure RF performance on low temperature
288 +* Spring RF antenna
289 +* Available in different frequency LoRaWAN frequency bands.
290 +* World-wide unique OTAA keys.
291 +* AT Command via UART-TTL interface
292 +* Firmware upgradable via UART interface
293 +
294 +
295 +
296 +== 3.3  Specification ==
297 +
298 +* CPU: 32-bit 48 MHz
299 +* Flash: 256KB
300 +* RAM: 64KB
301 +* Input Power Range: 5v
302 +* Frequency Range: 150 MHz ~~ 960 MHz
303 +* Maximum Power +22 dBm constant RF output
304 +* High sensitivity: -148 dBm
305 +* Temperature:
306 +** Storage: -55 ~~ +125℃
307 +** Operating: -40 ~~ +85℃
308 +* Humidity:
309 +** Storage: 5 ~~ 95% (Non-Condensing)
310 +** Operating: 10 ~~ 95% (Non-Condensing)
311 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
312 +* LoRa Rx current: <9 mA
313 +
314 +
315 +
316 +== 3.4  Pin Mapping & LED ==
317 +
318 +
319 +
320 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
321 +
322 +
323 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
324 +
325 +
326 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
327 +
328 +
329 +[[image:image-20220602171217-1.png||height="538" width="800"]]
330 +
331 +
332 +Open the serial port tool
333 +
334 +[[image:image-20220602161617-8.png]]
335 +
336 +[[image:image-20220602161718-9.png||height="457" width="800"]]
337 +
338 +
339 +
340 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
341 +
342 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
343 +
344 +
345 +[[image:image-20220602161935-10.png||height="498" width="800"]]
346 +
347 +
348 +
349 +(% style="color:blue" %)**3. See Uplink Command**
350 +
351 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
352 +
353 +example: AT+SENDB=01,02,8,05820802581ea0a5
354 +
355 +[[image:image-20220602162157-11.png||height="497" width="800"]]
356 +
357 +
358 +
359 +(% style="color:blue" %)**4. Check to see if TTN received the message**
360 +
361 +[[image:image-20220602162331-12.png||height="420" width="800"]]
362 +
363 +
364 +
365 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
366 +
367 +
368 +**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]]
369 +
370 +
371 +(% style="color:red" %)**Preconditions:**
372 +
373 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
374 +
375 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
376 +
377 +
378 +
379 +(% style="color:blue" %)**Steps for usage:**
380 +
381 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
382 +
383 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
384 +
385 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
386 +
387 +
388 +
389 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
390 +
391 +
392 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
393 +
394 +
395 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
396 +
397 +[[image:image-20220602171233-2.png||height="538" width="800"]]
398 +
399 +
400 +
401 +(% style="color:blue" %)**2. Install Minicom in RPi.**
402 +
403 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
404 +
405 + (% style="background-color:yellow" %)**apt update**
406 +
407 + (% style="background-color:yellow" %)**apt install minicom**
408 +
409 +
410 +Use minicom to connect to the RPI's terminal
411 +
412 +[[image:image-20220602153146-3.png||height="439" width="500"]]
413 +
414 +
415 +
416 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
417 +
418 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
419 +
420 +
421 +[[image:image-20220602154928-5.png||height="436" width="500"]]
422 +
423 +
424 +
425 +(% style="color:blue" %)**4. Send Uplink message**
426 +
427 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
428 +
429 +example: AT+SENDB=01,02,8,05820802581ea0a5
430 +
431 +
432 +[[image:image-20220602160339-6.png||height="517" width="600"]]
433 +
434 +
435 +
436 +Check to see if TTN received the message
437 +
438 +[[image:image-20220602160627-7.png||height="369" width="800"]]
439 +
440 +
441 +
442 +== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
443 +
444 +
445 +
446 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
447 +
448 +
449 +
450 +
451 += 4.  Order Info =
452 +
453 +
454 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
455 +
456 +
457 +(% style="color:blue" %)**XXX**(%%): The default frequency band
458 +
459 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
460 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
461 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
462 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
463 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
464 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
465 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
466 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
467 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
468 +
469 +
470 +
471 += 5.  Reference =
472 +
473 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
474 +
475 +
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