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Last modified by Xiaoling on 2023/09/19 09:20
From version 150.1
edited by Edwin Chen
on 2023/06/05 14:53
Change comment: There is no comment for this version
To version 89.1
edited by Edwin Chen
on 2022/07/15 00:08
Change comment: Uploaded new attachment "image-20220715000826-2.png", version {1}

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1 -LA66 LoRaWAN Module User Manual
1 +LA66 LoRaWAN Module
Content
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8 8  
9 9  = 1.  LA66 LoRaWAN Module =
10 10  
11 +
11 11  == 1.1  What is LA66 LoRaWAN Module ==
12 12  
13 13  
14 14  (((
15 -(((
16 -[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
17 -)))
16 +[[image:image-20220715000242-1.png||height="110" width="132"]]
18 18  
19 -(((
20 -
21 -)))
22 -
23 -(((
24 24  (% 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.
25 25  )))
26 -)))
27 27  
28 28  (((
29 -(((
30 -(% 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.
22 +(% 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.
31 31  )))
32 -)))
33 33  
34 34  (((
35 -(((
36 36  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 37  )))
38 38  
... ... @@ -39,19 +39,15 @@
39 39  (((
40 40  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.
41 41  )))
42 -)))
43 43  
44 44  (((
45 -(((
46 46  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
47 47  )))
48 -)))
49 49  
50 50  
51 51  == 1.2  Features ==
52 52  
53 -
54 -* Support LoRaWAN v1.0.3 protocol
40 +* Support LoRaWAN v1.0.4 protocol
55 55  * Support peer-to-peer protocol
56 56  * TCXO crystal to ensure RF performance on low temperature
57 57  * SMD Antenna pad and i-pex antenna connector
... ... @@ -64,7 +64,6 @@
64 64  
65 65  == 1.3  Specification ==
66 66  
67 -
68 68  * CPU: 32-bit 48 MHz
69 69  * Flash: 256KB
70 70  * RAM: 64KB
... ... @@ -86,104 +86,398 @@
86 86  
87 87  == 1.4  AT Command ==
88 88  
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.
89 89  
90 -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]].
91 91  
92 -
93 93  == 1.5  Dimension ==
94 94  
79 +[[image:image-20220517072526-1.png]]
95 95  
96 -[[image:image-20220718094750-3.png]]
97 97  
98 98  
99 99  == 1.6  Pin Mapping ==
100 100  
101 -[[image:image-20220720111850-1.png]]
102 102  
86 +[[image:image-20220523101537-1.png]]
103 103  
104 -== 1.7  Land Pattern ==
105 105  
106 106  
90 +== 1.7  Land Pattern ==
91 +
107 107  [[image:image-20220517072821-2.png]]
108 108  
109 109  
110 -= 2.  FAQ =
111 111  
112 -== 2.1  Where to find examples of how to use LA66? ==
96 += 2.  LA66 LoRaWAN Shield =
113 113  
114 114  
115 -(% class="wikigeneratedid" %)
116 -Below products are made by LA66. User can use their examples as reference:
99 +== 2.1  Overview ==
117 117  
118 -* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
119 -* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
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.
120 120  
121 121  
122 -== 2.2  How to Compile Source Code for LA66? ==
104 +== 2.2  Features ==
123 123  
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
124 124  
125 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
126 126  
118 +== 2.3  Specification ==
127 127  
128 -== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
120 +* CPU: 32-bit 48 MHz
121 +* Flash: 256KB
122 +* RAM: 64KB
123 +* Input Power Range: 1.8v ~~ 3.7v
124 +* Power Consumption: < 4uA.
125 +* Frequency Range: 150 MHz ~~ 960 MHz
126 +* Maximum Power +22 dBm constant RF output
127 +* High sensitivity: -148 dBm
128 +* Temperature:
129 +** Storage: -55 ~~ +125℃
130 +** Operating: -40 ~~ +85℃
131 +* Humidity:
132 +** Storage: 5 ~~ 95% (Non-Condensing)
133 +** Operating: 10 ~~ 95% (Non-Condensing)
134 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
135 +* LoRa Rx current: <9 mA
136 +* I/O Voltage: 3.3v
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.
139 +== 2.4  Pin Mapping & LED ==
132 132  
133 133  
134 -== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
135 135  
143 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
136 136  
137 -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]]
138 138  
139 139  
140 -== 2.5 How can i use J-LInk to debug LA66? ==
147 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
141 141  
142 142  
143 143  
144 -= 3.  Order Info =
151 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
145 145  
146 146  
147 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
148 148  
149 -(% style="color:blue" %)**XXX**(%%): The default frequency band
155 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
150 150  
151 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
152 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
153 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
154 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
155 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
156 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
157 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
158 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
159 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
160 160  
158 +=== 2.8.1  Items needed for update ===
161 161  
162 -= 4.  FCC Statement =
160 +1. LA66 LoRaWAN Shield
161 +1. Arduino
162 +1. USB TO TTL Adapter
163 163  
164 164  
165 -(% style="color:red" %)**FCC Caution:**
166 166  
167 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
166 +[[image:image-20220602100052-2.png||height="385" width="600"]]
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.
170 170  
169 +=== 2.8.2  Connection ===
171 171  
172 -(% style="color:red" %)**IMPORTANT NOTE: **
173 173  
174 -(% 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:
172 +[[image:image-20220602101311-3.png||height="276" width="600"]]
175 175  
176 -—Reorient or relocate the receiving antenna.
177 177  
178 -—Increase the separation between the equipment and receiver.
175 +(((
176 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
177 +)))
179 179  
180 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
179 +(((
180 +(% style="background-color:yellow" %)**GND  <-> GND
181 +TXD  <->  TXD
182 +RXD  <->  RXD**
183 +)))
181 181  
182 -—Consult the dealer or an experienced radio/TV technician for help.
183 183  
186 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
184 184  
185 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
188 +Connect USB TTL Adapter to PC after connecting the wires
186 186  
187 -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.
188 188  
189 -
191 +[[image:image-20220602102240-4.png||height="304" width="600"]]
192 +
193 +
194 +=== 2.8.3  Upgrade steps ===
195 +
196 +
197 +==== 1.  Switch SW1 to put in ISP position ====
198 +
199 +
200 +[[image:image-20220602102824-5.png||height="306" width="600"]]
201 +
202 +
203 +
204 +==== 2.  Press the RST switch once ====
205 +
206 +
207 +[[image:image-20220602104701-12.png||height="285" width="600"]]
208 +
209 +
210 +
211 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
212 +
213 +
214 +(((
215 +(% 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/]]**
216 +)))
217 +
218 +
219 +[[image:image-20220602103227-6.png]]
220 +
221 +
222 +[[image:image-20220602103357-7.png]]
223 +
224 +
225 +
226 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
227 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
228 +
229 +
230 +[[image:image-20220602103844-8.png]]
231 +
232 +
233 +
234 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
235 +(% style="color:blue" %)**3. Select the bin file to burn**
236 +
237 +
238 +[[image:image-20220602104144-9.png]]
239 +
240 +
241 +[[image:image-20220602104251-10.png]]
242 +
243 +
244 +[[image:image-20220602104402-11.png]]
245 +
246 +
247 +
248 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
249 +(% style="color:blue" %)**4. Click to start the download**
250 +
251 +[[image:image-20220602104923-13.png]]
252 +
253 +
254 +
255 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
256 +(% style="color:blue" %)**5. Check update process**
257 +
258 +
259 +[[image:image-20220602104948-14.png]]
260 +
261 +
262 +
263 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
264 +(% style="color:blue" %)**The following picture shows that the burning is successful**
265 +
266 +[[image:image-20220602105251-15.png]]
267 +
268 +
269 +
270 += 3.  LA66 USB LoRaWAN Adapter =
271 +
272 +
273 +== 3.1  Overview ==
274 +
275 +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.
276 +
277 +
278 +== 3.2  Features ==
279 +
280 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
281 +* Ultra-long RF range
282 +* Support LoRaWAN v1.0.4 protocol
283 +* Support peer-to-peer protocol
284 +* TCXO crystal to ensure RF performance on low temperature
285 +* Spring RF antenna
286 +* Available in different frequency LoRaWAN frequency bands.
287 +* World-wide unique OTAA keys.
288 +* AT Command via UART-TTL interface
289 +* Firmware upgradable via UART interface
290 +
291 +
292 +== 3.3  Specification ==
293 +
294 +* CPU: 32-bit 48 MHz
295 +* Flash: 256KB
296 +* RAM: 64KB
297 +* Input Power Range: 5v
298 +* Frequency Range: 150 MHz ~~ 960 MHz
299 +* Maximum Power +22 dBm constant RF output
300 +* High sensitivity: -148 dBm
301 +* Temperature:
302 +** Storage: -55 ~~ +125℃
303 +** Operating: -40 ~~ +85℃
304 +* Humidity:
305 +** Storage: 5 ~~ 95% (Non-Condensing)
306 +** Operating: 10 ~~ 95% (Non-Condensing)
307 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
308 +* LoRa Rx current: <9 mA
309 +
310 +
311 +== 3.4  Pin Mapping & LED ==
312 +
313 +
314 +
315 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
316 +
317 +
318 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
319 +
320 +
321 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
322 +
323 +
324 +[[image:image-20220602171217-1.png||height="538" width="800"]]
325 +
326 +
327 +Open the serial port tool
328 +
329 +[[image:image-20220602161617-8.png]]
330 +
331 +[[image:image-20220602161718-9.png||height="457" width="800"]]
332 +
333 +
334 +
335 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
336 +
337 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
338 +
339 +
340 +[[image:image-20220602161935-10.png||height="498" width="800"]]
341 +
342 +
343 +
344 +(% style="color:blue" %)**3. See Uplink Command**
345 +
346 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
347 +
348 +example: AT+SENDB=01,02,8,05820802581ea0a5
349 +
350 +[[image:image-20220602162157-11.png||height="497" width="800"]]
351 +
352 +
353 +
354 +(% style="color:blue" %)**4. Check to see if TTN received the message**
355 +
356 +[[image:image-20220602162331-12.png||height="420" width="800"]]
357 +
358 +
359 +
360 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
361 +
362 +
363 +**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]]
364 +
365 +
366 +(% style="color:red" %)**Preconditions:**
367 +
368 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
369 +
370 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
371 +
372 +
373 +
374 +(% style="color:blue" %)**Steps for usage:**
375 +
376 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
377 +
378 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
379 +
380 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
381 +
382 +
383 +
384 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
385 +
386 +
387 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
388 +
389 +
390 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
391 +
392 +[[image:image-20220602171233-2.png||height="538" width="800"]]
393 +
394 +
395 +
396 +(% style="color:blue" %)**2. Install Minicom in RPi.**
397 +
398 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
399 +
400 + (% style="background-color:yellow" %)**apt update**
401 +
402 + (% style="background-color:yellow" %)**apt install minicom**
403 +
404 +
405 +Use minicom to connect to the RPI's terminal
406 +
407 +[[image:image-20220602153146-3.png||height="439" width="500"]]
408 +
409 +
410 +
411 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
412 +
413 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
414 +
415 +
416 +[[image:image-20220602154928-5.png||height="436" width="500"]]
417 +
418 +
419 +
420 +(% style="color:blue" %)**4. Send Uplink message**
421 +
422 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
423 +
424 +example: AT+SENDB=01,02,8,05820802581ea0a5
425 +
426 +
427 +[[image:image-20220602160339-6.png||height="517" width="600"]]
428 +
429 +
430 +
431 +Check to see if TTN received the message
432 +
433 +[[image:image-20220602160627-7.png||height="369" width="800"]]
434 +
435 +
436 +
437 +== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
438 +
439 +
440 +
441 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
442 +
443 +
444 +
445 +
446 += 4.  Order Info =
447 +
448 +
449 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
450 +
451 +
452 +(% style="color:blue" %)**XXX**(%%): The default frequency band
453 +
454 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
455 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
456 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
457 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
458 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
459 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
460 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
461 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
462 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
463 +
464 +
465 += 5.  Reference =
466 +
467 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
468 +
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