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Last modified by Xiaoling on 2023/09/19 09:20
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edited by Xiaoling
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To version 87.11
edited by Xiaoling
on 2022/07/13 10:04
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Title
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1 -LA66 LoRaWAN Module User Manual
1 +LA66 LoRaWAN Module
Content
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1 1  
2 2  
3 -**Table of Contents:**
4 -
5 5  {{toc/}}
6 6  
7 7  
... ... @@ -12,48 +12,20 @@
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 -)))
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.
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
26 +* 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
... ... @@ -88,105 +88,392 @@
88 88  
89 89  == 1.4  AT Command ==
90 90  
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.
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  
65 +[[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  
72 +[[image:image-20220523101537-1.png]]
107 107  
108 108  
75 +
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 =
82 += 2.  LA66 LoRaWAN Shield =
117 117  
118 118  
119 -== 2.1  How to Compile Source Code for LA66? ==
85 +== 2.1  Overview ==
120 120  
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.
121 121  
122 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
123 123  
90 +== 2.2  Features ==
124 124  
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
125 125  
126 -== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
127 127  
104 +== 2.3  Specification ==
128 128  
129 -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.
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
130 130  
131 131  
125 +== 2.4  Pin Mapping & LED ==
132 132  
133 -== 2.3  Where to find Peer-to-Peer firmware of LA66? ==
134 134  
135 135  
136 -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]]
129 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
137 137  
138 138  
139 139  
140 -= 3.  Order Info =
133 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
141 141  
142 142  
143 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
144 144  
137 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
145 145  
146 -(% style="color:blue" %)**XXX**(%%): The default frequency band
147 147  
148 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
149 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
150 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
151 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
152 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
153 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
154 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
155 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
156 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
157 157  
141 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
158 158  
159 159  
160 -= 4.  FCC Statement =
144 +=== 2.8.1  Items needed for update ===
161 161  
146 +1. LA66 LoRaWAN Shield
147 +1. Arduino
148 +1. USB TO TTL Adapter
162 162  
163 -**(% style="color:red" %)FCC Caution:**
150 +[[image:image-20220602100052-2.png||height="385" width="600"]]
164 164  
165 165  
166 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
153 +=== 2.8.2  Connection ===
167 167  
168 168  
169 -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.
156 +[[image:image-20220602101311-3.png||height="276" width="600"]]
170 170  
171 171  
172 -**(% style="color:red" %)IMPORTANT NOTE: **
159 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
173 173  
161 +(% style="background-color:yellow" %)**GND  <-> GND
162 +TXD  <->  TXD
163 +RXD  <->  RXD**
174 174  
175 -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  
166 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
177 177  
178 -—Reorient or relocate the receiving antenna.
168 +Connect USB TTL Adapter to PC after connecting the wires
179 179  
180 180  
181 -—Increase the separation between the equipment and receiver.
171 +[[image:image-20220602102240-4.png||height="304" width="600"]]
182 182  
183 183  
184 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
174 +=== 2.8.3  Upgrade steps ===
185 185  
186 186  
187 -—Consult the dealer or an experienced radio/TV technician for help.
177 +==== 1.  Switch SW1 to put in ISP position ====
188 188  
189 189  
190 -**(% style="color:red" %)FCC Radiation Exposure Statement: **
180 +[[image:image-20220602102824-5.png||height="306" width="600"]]
191 191  
192 -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.
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 +[[image:image-20220602103227-6.png]]
198 +
199 +
200 +[[image:image-20220602103357-7.png]]
201 +
202 +
203 +
204 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
205 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
206 +
207 +
208 +[[image:image-20220602103844-8.png]]
209 +
210 +
211 +
212 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
213 +(% style="color:blue" %)**3. Select the bin file to burn**
214 +
215 +
216 +[[image:image-20220602104144-9.png]]
217 +
218 +
219 +[[image:image-20220602104251-10.png]]
220 +
221 +
222 +[[image:image-20220602104402-11.png]]
223 +
224 +
225 +
226 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
227 +(% style="color:blue" %)**4. Click to start the download**
228 +
229 +[[image:image-20220602104923-13.png]]
230 +
231 +
232 +
233 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
234 +(% style="color:blue" %)**5. Check update process**
235 +
236 +
237 +[[image:image-20220602104948-14.png]]
238 +
239 +
240 +
241 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
242 +(% style="color:blue" %)**The following picture shows that the burning is successful**
243 +
244 +[[image:image-20220602105251-15.png]]
245 +
246 +
247 +
248 += 3.  LA66 USB LoRaWAN Adapter =
249 +
250 +
251 +== 3.1  Overview ==
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.
254 +
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 +Open the serial port tool
306 +
307 +[[image:image-20220602161617-8.png]]
308 +
309 +[[image:image-20220602161718-9.png||height="457" width="800"]]
310 +
311 +
312 +
313 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
314 +
315 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
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 +example: AT+SENDB=01,02,8,05820802581ea0a5
327 +
328 +[[image:image-20220602162157-11.png||height="497" width="800"]]
329 +
330 +
331 +
332 +(% style="color:blue" %)**4. Check to see if TTN received the message**
333 +
334 +[[image:image-20220602162331-12.png||height="420" width="800"]]
335 +
336 +
337 +
338 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
339 +
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]]
342 +
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 +example: AT+SENDB=01,02,8,05820802581ea0a5
403 +
404 +
405 +[[image:image-20220602160339-6.png||height="517" width="600"]]
406 +
407 +
408 +
409 +Check to see if TTN received the message
410 +
411 +[[image:image-20220602160627-7.png||height="369" width="800"]]
412 +
413 +
414 +
415 +== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
416 +
417 +
418 +
419 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
420 +
421 +
422 +
423 +
424 += 4.  Order Info =
425 +
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**
428 +
429 +
430 +(% style="color:blue" %)**XXX**(%%): The default frequency band
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
441 +
442 +
443 +
444 += 5.  Reference =
445 +
446 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
447 +
448 +
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