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Last modified by Xiaoling on 2023/09/19 09:20
From version 87.1
edited by Edwin Chen
on 2022/07/11 09:10
Change comment: There is no comment for this version
To version 148.6
edited by Xiaoling
on 2022/10/10 11:31
Change comment: There is no comment for this version

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Title
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1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Module User Manual
Author
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
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1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
2 -{{toc/}}
3 -{{/box}}
1 +
4 4  
5 -= LA66 LoRaWAN Module =
3 +**Table of Contents:**
6 6  
7 -== What is LA66 LoRaWAN Module ==
5 +{{toc/}}
8 8  
9 -(% 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.
10 10  
11 -(% 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.
12 12  
13 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
9 += 1.  LA66 LoRaWAN Module =
14 14  
15 -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.
16 16  
17 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
12 +== 1.1  What is LA66 LoRaWAN Module ==
18 18  
19 19  
20 -== Features ==
15 +(((
16 +(((
17 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 +)))
21 21  
22 -* Support LoRaWAN v1.0.4 protocol
23 -* Support peer-to-peer protocol
24 -* TCXO crystal to ensure RF performance on low temperature
25 -* SMD Antenna pad and i-pex antenna connector
26 -* Available in different frequency LoRaWAN frequency bands.
27 -* World-wide unique OTAA keys.
28 -* AT Command via UART-TTL interface
29 -* Firmware upgradable via UART interface
30 -* Ultra-long RF range
20 +(((
21 +
22 +)))
31 31  
32 -== Specification ==
24 +(((
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 +)))
33 33  
34 -* CPU: 32-bit 48 MHz
35 -* Flash: 256KB
36 -* RAM: 64KB
37 -* Input Power Range: 1.8v ~~ 3.7v
38 -* Power Consumption: < 4uA.
39 -* Frequency Range: 150 MHz ~~ 960 MHz
40 -* Maximum Power +22 dBm constant RF output
41 -* High sensitivity: -148 dBm
42 -* Temperature:
43 -** Storage: -55 ~~ +125℃
44 -** Operating: -40 ~~ +85℃
45 -* Humidity:
46 -** Storage: 5 ~~ 95% (Non-Condensing)
47 -** Operating: 10 ~~ 95% (Non-Condensing)
48 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
49 -* LoRa Rx current: <9 mA
50 -* I/O Voltage: 3.3v
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 +)))
51 51  
52 -== AT Command ==
35 +(((
36 +(((
37 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 +)))
53 53  
54 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
40 +(((
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 +)))
55 55  
45 +(((
46 +(((
47 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
48 +)))
49 +)))
56 56  
57 -== Dimension ==
58 58  
59 -[[image:image-20220517072526-1.png]]
60 60  
53 +== 1.2  Features ==
61 61  
62 -== Pin Mapping ==
63 63  
64 -[[image:image-20220523101537-1.png]]
65 -
66 -== Land Pattern ==
67 -
68 -[[image:image-20220517072821-2.png]]
69 -
70 -
71 -
72 -= LA66 LoRaWAN Shield =
73 -
74 -== Overview ==
75 -
76 -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.
77 -
78 -
79 -== Features ==
80 -
81 -* Arduino Shield base on LA66 LoRaWAN module
82 -* Support LoRaWAN v1.0.4 protocol
56 +* Support LoRaWAN v1.0.3 protocol
83 83  * Support peer-to-peer protocol
84 84  * TCXO crystal to ensure RF performance on low temperature
85 -* SMA connector
59 +* SMD Antenna pad and i-pex antenna connector
86 86  * Available in different frequency LoRaWAN frequency bands.
87 87  * World-wide unique OTAA keys.
88 88  * AT Command via UART-TTL interface
... ... @@ -89,8 +89,10 @@
89 89  * Firmware upgradable via UART interface
90 90  * Ultra-long RF range
91 91  
92 -== Specification ==
93 93  
67 +== 1.3  Specification ==
68 +
69 +
94 94  * CPU: 32-bit 48 MHz
95 95  * Flash: 256KB
96 96  * RAM: 64KB
... ... @@ -109,269 +109,108 @@
109 109  * LoRa Rx current: <9 mA
110 110  * I/O Voltage: 3.3v
111 111  
112 -== Pin Mapping & LED ==
113 113  
114 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
89 +== 1.4  AT Command ==
115 115  
116 -== Example: Join TTN network and send an uplink message, get downlink message. ==
117 117  
118 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
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]].
119 119  
120 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
121 121  
122 -=== Items needed for update ===
123 123  
124 -1. LA66 LoRaWAN Shield
125 -1. Arduino
126 -1. USB TO TTL Adapter
96 +== 1.5  Dimension ==
127 127  
128 -[[image:image-20220602100052-2.png||height="385" width="600"]]
129 129  
99 +[[image:image-20220718094750-3.png]]
130 130  
131 -=== Connection ===
132 132  
133 -[[image:image-20220602101311-3.png||height="276" width="600"]]
134 134  
135 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
136 -**GND  <-> GND
137 -TXD  <-> TXD
138 -RXD  <-> RXD**
103 +== 1.6  Pin Mapping ==
139 139  
140 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
105 +[[image:image-20220720111850-1.png]]
141 141  
142 -Connect USB TTL Adapter to PC after connecting the wires
143 143  
144 144  
145 -[[image:image-20220602102240-4.png||height="304" width="600"]]
109 +== 1.7  Land Pattern ==
146 146  
147 147  
148 -=== Upgrade steps ===
112 +[[image:image-20220517072821-2.png]]
149 149  
150 -==== Switch SW1 to put in ISP position ====
151 151  
152 -[[image:image-20220602102824-5.png||height="306" width="600"]]
153 153  
116 += 2.  FAQ =
154 154  
155 -==== Press the RST switch once ====
156 156  
157 -[[image:image-20220602104701-12.png||height="285" width="600"]]
119 +== 2.1  How to Compile Source Code for LA66? ==
158 158  
159 159  
160 -==== Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
122 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
161 161  
162 -**~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/]]**
163 163  
164 -[[image:image-20220602103227-6.png]]
165 165  
166 -[[image:image-20220602103357-7.png]]
126 +== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
167 167  
168 168  
169 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
170 -**2. Select the COM port corresponding to USB TTL**
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.
171 171  
172 -[[image:image-20220602103844-8.png]]
173 173  
174 174  
175 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
176 -**3. Select the bin file to burn**
133 +== 2.3  Where to find Peer-to-Peer firmware of LA66? ==
177 177  
178 -[[image:image-20220602104144-9.png]]
179 179  
180 -[[image:image-20220602104251-10.png]]
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]]
181 181  
182 -[[image:image-20220602104402-11.png]]
183 183  
184 184  
185 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
186 -**4. Click to start the download**
140 += 3.  Order Info =
187 187  
188 -[[image:image-20220602104923-13.png]]
189 189  
143 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
190 190  
191 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
192 -**5. Check update process**
193 193  
194 -[[image:image-20220602104948-14.png]]
146 +(% style="color:blue" %)**XXX**(%%): The default frequency band
195 195  
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
196 196  
197 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
198 -**The following picture shows that the burning is successful**
199 199  
200 -[[image:image-20220602105251-15.png]]
201 201  
160 += 4.  FCC Statement =
202 202  
203 203  
204 -= LA66 USB LoRaWAN Adapter =
163 +**(% style="color:red" %)FCC Caution:**
205 205  
206 -== Overview ==
207 207  
208 -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.
166 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
209 209  
210 210  
211 -== Features ==
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.
212 212  
213 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
214 -* Ultra-long RF range
215 -* Support LoRaWAN v1.0.4 protocol
216 -* Support peer-to-peer protocol
217 -* TCXO crystal to ensure RF performance on low temperature
218 -* Spring RF antenna
219 -* Available in different frequency LoRaWAN frequency bands.
220 -* World-wide unique OTAA keys.
221 -* AT Command via UART-TTL interface
222 -* Firmware upgradable via UART interface
223 223  
224 -== Specification ==
172 +**(% style="color:red" %)IMPORTANT NOTE: **
225 225  
226 -* CPU: 32-bit 48 MHz
227 -* Flash: 256KB
228 -* RAM: 64KB
229 -* Input Power Range: 5v
230 -* Frequency Range: 150 MHz ~~ 960 MHz
231 -* Maximum Power +22 dBm constant RF output
232 -* High sensitivity: -148 dBm
233 -* Temperature:
234 -** Storage: -55 ~~ +125℃
235 -** Operating: -40 ~~ +85℃
236 -* Humidity:
237 -** Storage: 5 ~~ 95% (Non-Condensing)
238 -** Operating: 10 ~~ 95% (Non-Condensing)
239 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
240 -* LoRa Rx current: <9 mA
241 241  
242 -== Pin Mapping & LED ==
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:
243 243  
244 -== Example Send & Get Messages via LoRaWAN in PC ==
245 245  
246 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
178 +—Reorient or relocate the receiving antenna.
247 247  
248 -~1. Connect the LA66 USB LoRaWAN adapter to PC
249 249  
250 -[[image:image-20220602171217-1.png||height="538" width="800"]]
181 +—Increase the separation between the equipment and receiver.
251 251  
252 -Open the serial port tool
253 253  
254 -[[image:image-20220602161617-8.png]]
184 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
255 255  
256 -[[image:image-20220602161718-9.png||height="457" width="800"]]
257 257  
187 +—Consult the dealer or an experienced radio/TV technician for help.
258 258  
259 -2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
260 260  
261 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
190 +**(% style="color:red" %)FCC Radiation Exposure Statement: **
262 262  
263 -[[image:image-20220602161935-10.png||height="498" width="800"]]
264 -
265 -
266 -3. See Uplink Command
267 -
268 -Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
269 -
270 -example: AT+SENDB=01,02,8,05820802581ea0a5
271 -
272 -[[image:image-20220602162157-11.png||height="497" width="800"]]
273 -
274 -
275 -4. Check to see if TTN received the message
276 -
277 -[[image:image-20220602162331-12.png||height="420" width="800"]]
278 -
279 -
280 -
281 -== Example:Send PC's CPU/RAM usage to TTN via python ==
282 -
283 -(% class="wikigeneratedid" id="HUsepythonasanexampleFF1A" %)
284 -**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]]
285 -
286 -(% class="wikigeneratedid" id="HPreconditions:" %)
287 -**Preconditions:**
288 -
289 -1.LA66 USB LoRaWAN Adapter works fine
290 -
291 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
292 -
293 -(% class="wikigeneratedid" id="HStepsforusage" %)
294 -**Steps for usage**
295 -
296 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
297 -
298 -2.Run the python script in PC and see the TTN
299 -
300 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
301 -
302 -
303 -
304 -== Example Send & Get Messages via LoRaWAN in RPi ==
305 -
306 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
307 -
308 -~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
309 -
310 -[[image:image-20220602171233-2.png||height="538" width="800"]]
311 -
312 -
313 -2. Install Minicom in RPi.
314 -
315 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
316 -
317 -(% class="mark" %)apt update
318 -
319 -(% class="mark" %)apt install minicom
320 -
321 -
322 -Use minicom to connect to the RPI's terminal
323 -
324 -[[image:image-20220602153146-3.png||height="439" width="500"]]
325 -
326 -
327 -3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
328 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
329 -
330 -[[image:image-20220602154928-5.png||height="436" width="500"]]
331 -
332 -
333 -4. Send Uplink message
334 -
335 -Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
336 -
337 -example: AT+SENDB=01,02,8,05820802581ea0a5
338 -
339 -[[image:image-20220602160339-6.png||height="517" width="600"]]
340 -
341 -Check to see if TTN received the message
342 -
343 -[[image:image-20220602160627-7.png||height="369" width="800"]]
344 -
345 -
346 -
347 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
348 -
349 -
350 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
351 -
352 -
353 -
354 -= Order Info =
355 -
356 -Part Number:
357 -
358 -**LA66-XXX**, **LA66-LoRaWAN-Shield-XXX** or **LA66-USB-LoRaWAN-Adapter-XXX**
359 -
360 -**XXX**: The default frequency band
361 -
362 -* **AS923**: LoRaWAN AS923 band
363 -* **AU915**: LoRaWAN AU915 band
364 -* **EU433**: LoRaWAN EU433 band
365 -* **EU868**: LoRaWAN EU868 band
366 -* **KR920**: LoRaWAN KR920 band
367 -* **US915**: LoRaWAN US915 band
368 -* **IN865**: LoRaWAN IN865 band
369 -* **CN470**: LoRaWAN CN470 band
370 -* **PP**: Peer to Peer LoRa Protocol
371 -
372 -
373 -= Reference =
374 -
375 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
376 -
377 -
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.
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