Wiki source code of LA66 LoRaWAN Module

Version 87.1 by Edwin Chen on 2022/07/11 09:10
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1 {{box cssClass="floatinginfobox" title="**Contents**"}}
2 {{toc/}}
3 {{/box}}
4
5 = LA66 LoRaWAN Module =
6
7 == What is LA66 LoRaWAN Module ==
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
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
13 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
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
17 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
18
19
20 == Features ==
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
31
32 == Specification ==
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
51
52 == AT Command ==
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.
55
56
57 == Dimension ==
58
59 [[image:image-20220517072526-1.png]]
60
61
62 == Pin Mapping ==
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
83 * Support peer-to-peer protocol
84 * TCXO crystal to ensure RF performance on low temperature
85 * SMA connector
86 * Available in different frequency LoRaWAN frequency bands.
87 * World-wide unique OTAA keys.
88 * AT Command via UART-TTL interface
89 * Firmware upgradable via UART interface
90 * Ultra-long RF range
91
92 == Specification ==
93
94 * CPU: 32-bit 48 MHz
95 * Flash: 256KB
96 * RAM: 64KB
97 * Input Power Range: 1.8v ~~ 3.7v
98 * Power Consumption: < 4uA.
99 * Frequency Range: 150 MHz ~~ 960 MHz
100 * Maximum Power +22 dBm constant RF output
101 * High sensitivity: -148 dBm
102 * Temperature:
103 ** Storage: -55 ~~ +125℃
104 ** Operating: -40 ~~ +85℃
105 * Humidity:
106 ** Storage: 5 ~~ 95% (Non-Condensing)
107 ** Operating: 10 ~~ 95% (Non-Condensing)
108 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
109 * LoRa Rx current: <9 mA
110 * I/O Voltage: 3.3v
111
112 == Pin Mapping & LED ==
113
114 == Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
115
116 == Example: Join TTN network and send an uplink message, get downlink message. ==
117
118 == Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
119
120 == Upgrade Firmware of LA66 LoRaWAN Shield ==
121
122 === Items needed for update ===
123
124 1. LA66 LoRaWAN Shield
125 1. Arduino
126 1. USB TO TTL Adapter
127
128 [[image:image-20220602100052-2.png||height="385" width="600"]]
129
130
131 === Connection ===
132
133 [[image:image-20220602101311-3.png||height="276" width="600"]]
134
135 (% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
136 **GND  <-> GND
137 TXD  <-> TXD
138 RXD  <-> RXD**
139
140 Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
141
142 Connect USB TTL Adapter to PC after connecting the wires
143
144
145 [[image:image-20220602102240-4.png||height="304" width="600"]]
146
147
148 === Upgrade steps ===
149
150 ==== Switch SW1 to put in ISP position ====
151
152 [[image:image-20220602102824-5.png||height="306" width="600"]]
153
154
155 ==== Press the RST switch once ====
156
157 [[image:image-20220602104701-12.png||height="285" width="600"]]
158
159
160 ==== Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
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
164 [[image:image-20220602103227-6.png]]
165
166 [[image:image-20220602103357-7.png]]
167
168
169 (% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
170 **2. Select the COM port corresponding to USB TTL**
171
172 [[image:image-20220602103844-8.png]]
173
174
175 (% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
176 **3. Select the bin file to burn**
177
178 [[image:image-20220602104144-9.png]]
179
180 [[image:image-20220602104251-10.png]]
181
182 [[image:image-20220602104402-11.png]]
183
184
185 (% class="wikigeneratedid" id="HClicktostartthedownload" %)
186 **4. Click to start the download**
187
188 [[image:image-20220602104923-13.png]]
189
190
191 (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
192 **5. Check update process**
193
194 [[image:image-20220602104948-14.png]]
195
196
197 (% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
198 **The following picture shows that the burning is successful**
199
200 [[image:image-20220602105251-15.png]]
201
202
203
204 = LA66 USB LoRaWAN Adapter =
205
206 == Overview ==
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.
209
210
211 == Features ==
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
224 == Specification ==
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
242 == Pin Mapping & LED ==
243
244 == Example Send & Get Messages via LoRaWAN in PC ==
245
246 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
247
248 ~1. Connect the LA66 USB LoRaWAN adapter to PC
249
250 [[image:image-20220602171217-1.png||height="538" width="800"]]
251
252 Open the serial port tool
253
254 [[image:image-20220602161617-8.png]]
255
256 [[image:image-20220602161718-9.png||height="457" width="800"]]
257
258
259 2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
260
261 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
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

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