Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 47.1 >
edited by Herong Lu
on 2022/06/02 15:31
To version < 87.2 >
edited by Xiaoling
on 2022/07/13 09:34
>
Change comment: There is no comment for this version

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1 +XWiki.Xiaoling
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1 1  {{box cssClass="floatinginfobox" title="**Contents**"}}
2 2  {{toc/}}
3 3  {{/box}}
4 4  
5 -= LA66 LoRaWAN Module =
7 +{{toc/}}
6 6  
7 -== What is LA66 LoRaWAN Module ==
8 8  
9 -**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 LoRa 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 program, create and connect your things everywhere.
10 10  
11 -**LA66 **is a ready-to-use module which includes the LoRaWAN v1.0.4 protocol. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
11 += 1.  LA66 LoRaWAN Module =
12 12  
13 -**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
14 14  
14 +== 1.1  What is LA66 LoRaWAN Module ==
15 15  
16 16  
17 -== Specification ==
17 +(% 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.
18 18  
19 -[[image:image-20220517072526-1.png]]
19 +(% 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.
20 20  
21 -Input Power Range: 1.8v ~~ 3.7v
21 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
22 22  
23 -Power Consumption: < 4uA.
23 +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.
24 24  
25 -Frequency Range: 150 MHz ~~ 960 MHz
25 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
26 26  
27 -Maximum Power +22 dBm constant RF output
28 28  
29 -High sensitivity: -148 dBm
28 +== 1.2  Features ==
30 30  
31 -Temperature:
30 +* Support LoRaWAN v1.0.4 protocol
31 +* Support peer-to-peer protocol
32 +* TCXO crystal to ensure RF performance on low temperature
33 +* SMD Antenna pad and i-pex antenna connector
34 +* Available in different frequency LoRaWAN frequency bands.
35 +* World-wide unique OTAA keys.
36 +* AT Command via UART-TTL interface
37 +* Firmware upgradable via UART interface
38 +* Ultra-long RF range
32 32  
33 -* Storage: -55 ~~ +125℃
34 -* Operating: -40 ~~ +85℃
35 35  
36 -Humidity:
41 +== 1.3  Specification ==
37 37  
38 -* Storage: 5 ~~ 95% (Non-Condensing)
39 -* Operating: 10 ~~ 95% (Non-Condensing)
43 +* CPU: 32-bit 48 MHz
44 +* Flash: 256KB
45 +* RAM: 64KB
46 +* Input Power Range: 1.8v ~~ 3.7v
47 +* Power Consumption: < 4uA.
48 +* Frequency Range: 150 MHz ~~ 960 MHz
49 +* Maximum Power +22 dBm constant RF output
50 +* High sensitivity: -148 dBm
51 +* Temperature:
52 +** Storage: -55 ~~ +125℃
53 +** Operating: -40 ~~ +85℃
54 +* Humidity:
55 +** Storage: 5 ~~ 95% (Non-Condensing)
56 +** Operating: 10 ~~ 95% (Non-Condensing)
57 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
58 +* LoRa Rx current: <9 mA
59 +* I/O Voltage: 3.3v
40 40  
41 -LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
42 42  
43 -LoRa Rx current: <9 mA
62 +== 1.4  AT Command ==
44 44  
45 -I/O Voltage: 3.3v
64 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
46 46  
47 47  
48 -== AT Command ==
67 +== 1.5  Dimension ==
49 49  
50 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
69 +[[image:image-20220517072526-1.png]]
51 51  
52 52  
53 -== Pin Mapping ==
54 54  
73 +== 1.6  Pin Mapping ==
74 +
75 +
55 55  [[image:image-20220523101537-1.png]]
56 56  
57 -== Land Pattern ==
58 58  
79 +
80 +== 1.7  Land Pattern ==
81 +
59 59  [[image:image-20220517072821-2.png]]
60 60  
61 61  
62 -== Part Number ==
63 63  
64 -Part Number: **LA66-XXX**
86 += 2.  LA66 LoRaWAN Shield =
65 65  
66 -**XX**: The default frequency band
67 67  
68 -* **AS923**: LoRaWAN AS923 band
69 -* **AU915**: LoRaWAN AU915 band
70 -* **EU433**: LoRaWAN EU433 band
71 -* **EU868**: LoRaWAN EU868 band
72 -* **KR920**: LoRaWAN KR920 band
73 -* **US915**: LoRaWAN US915 band
74 -* **IN865**: LoRaWAN IN865 band
75 -* **CN470**: LoRaWAN CN470 band
89 +== 2.1  Overview ==
76 76  
77 -= LA66 LoRaWAN Shield =
91 +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.
78 78  
79 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
80 80  
81 -== Pin Mapping & LED ==
94 +== 2.2  Features ==
82 82  
83 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
96 +* Arduino Shield base on LA66 LoRaWAN module
97 +* Support LoRaWAN v1.0.4 protocol
98 +* Support peer-to-peer protocol
99 +* TCXO crystal to ensure RF performance on low temperature
100 +* SMA connector
101 +* Available in different frequency LoRaWAN frequency bands.
102 +* World-wide unique OTAA keys.
103 +* AT Command via UART-TTL interface
104 +* Firmware upgradable via UART interface
105 +* Ultra-long RF range
84 84  
85 -== Example: Join TTN network and send an uplink message, get downlink message. ==
86 86  
87 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
108 +== 2.3  Specification ==
88 88  
89 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
110 +* CPU: 32-bit 48 MHz
111 +* Flash: 256KB
112 +* RAM: 64KB
113 +* Input Power Range: 1.8v ~~ 3.7v
114 +* Power Consumption: < 4uA.
115 +* Frequency Range: 150 MHz ~~ 960 MHz
116 +* Maximum Power +22 dBm constant RF output
117 +* High sensitivity: -148 dBm
118 +* Temperature:
119 +** Storage: -55 ~~ +125℃
120 +** Operating: -40 ~~ +85℃
121 +* Humidity:
122 +** Storage: 5 ~~ 95% (Non-Condensing)
123 +** Operating: 10 ~~ 95% (Non-Condensing)
124 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
125 +* LoRa Rx current: <9 mA
126 +* I/O Voltage: 3.3v
90 90  
91 -=== what needs to be used ===
92 92  
93 -1.LA66 LoRaWAN Shield that needs to be upgraded
129 +== 2.4  Pin Mapping & LED ==
94 94  
95 -2.Arduino
96 96  
97 -3.USB TO TTL
98 98  
99 -[[image:image-20220602100052-2.png]]
133 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
100 100  
101 -=== Wiring Schematic ===
102 102  
103 -[[image:image-20220602101311-3.png]]
104 104  
105 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
137 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
106 106  
107 -GND  >>>>>>>>>>>>GND
108 108  
109 -TXD  >>>>>>>>>>>>TXD
110 110  
111 -RXD  >>>>>>>>>>>>RXD
141 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
112 112  
113 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
114 114  
115 -Connect to the PC after connecting the wires
116 116  
117 -[[image:image-20220602102240-4.png]]
145 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
118 118  
119 -=== Upgrade steps ===
120 120  
121 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
148 +=== 2.8.1  Items needed for update ===
122 122  
123 -[[image:image-20220602102824-5.png]]
150 +1. LA66 LoRaWAN Shield
151 +1. Arduino
152 +1. USB TO TTL Adapter
124 124  
125 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
154 +[[image:image-20220602100052-2.png||height="385" width="600"]]
126 126  
127 -[[image:image-20220602104701-12.png]]
128 128  
129 -==== Open the upgrade application software ====
157 +=== 2.8.2  Connection ===
130 130  
131 -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/]]
132 132  
160 +[[image:image-20220602101311-3.png||height="276" width="600"]]
161 +
162 +
163 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
164 +
165 +
166 +(% style="background-color:yellow" %)**GND  <-> GND
167 +TXD  <->  TXD
168 +RXD  <->  RXD**
169 +
170 +
171 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
172 +
173 +Connect USB TTL Adapter to PC after connecting the wires
174 +
175 +
176 +[[image:image-20220602102240-4.png||height="304" width="600"]]
177 +
178 +
179 +=== 2.8.3  Upgrade steps ===
180 +
181 +
182 +==== 1.  Switch SW1 to put in ISP position ====
183 +
184 +
185 +[[image:image-20220602102824-5.png||height="306" width="600"]]
186 +
187 +
188 +==== 2.  Press the RST switch once ====
189 +
190 +[[image:image-20220602104701-12.png||height="285" width="600"]]
191 +
192 +
193 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
194 +
195 +
196 +(% 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/]]**
197 +
198 +
133 133  [[image:image-20220602103227-6.png]]
134 134  
201 +
135 135  [[image:image-20220602103357-7.png]]
136 136  
137 -===== Select the COM port corresponding to USB TTL =====
138 138  
205 +
206 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
207 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
208 +
209 +
139 139  [[image:image-20220602103844-8.png]]
140 140  
141 -===== Select the bin file to burn =====
142 142  
213 +
214 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
215 +(% style="color:blue" %)**3. Select the bin file to burn**
216 +
217 +
143 143  [[image:image-20220602104144-9.png]]
144 144  
220 +
145 145  [[image:image-20220602104251-10.png]]
146 146  
223 +
147 147  [[image:image-20220602104402-11.png]]
148 148  
149 -===== Click to start the download =====
150 150  
227 +
228 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
229 +(% style="color:blue" %)**4. Click to start the download**
230 +
151 151  [[image:image-20220602104923-13.png]]
152 152  
153 -===== The following figure appears to prove that the burning is in progress =====
154 154  
234 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
235 +(% style="color:blue" %)**5. Check update process**
236 +
237 +
155 155  [[image:image-20220602104948-14.png]]
156 156  
157 -===== The following picture appears to prove that the burning is successful =====
158 158  
241 +
242 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
243 +(% style="color:blue" %)**The following picture shows that the burning is successful**
244 +
159 159  [[image:image-20220602105251-15.png]]
160 160  
161 -= LA66 USB LoRaWAN Adapter =
162 162  
163 -LA66 USB LoRaWAN Adapter is the USB Adapter for LA66, it combines a USB TTL Chip and LA66 module which can easy to test the LoRaWAN feature by using PC or embedded device which has USB Interface.
164 164  
249 += 3.  LA66 USB LoRaWAN Adapter =
250 +
251 +
252 +== 3.1  Overview ==
253 +
254 +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.
255 +
256 +
257 +== 3.2  Features ==
258 +
259 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
260 +* Ultra-long RF range
261 +* Support LoRaWAN v1.0.4 protocol
262 +* Support peer-to-peer protocol
263 +* TCXO crystal to ensure RF performance on low temperature
264 +* Spring RF antenna
265 +* Available in different frequency LoRaWAN frequency bands.
266 +* World-wide unique OTAA keys.
267 +* AT Command via UART-TTL interface
268 +* Firmware upgradable via UART interface
269 +
270 +== 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 +
165 165  == Pin Mapping & LED ==
166 166  
167 167  == Example Send & Get Messages via LoRaWAN in PC ==
168 168  
292 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
293 +
294 +~1. Connect the LA66 USB LoRaWAN adapter to PC
295 +
296 +[[image:image-20220602171217-1.png||height="538" width="800"]]
297 +
298 +Open the serial port tool
299 +
300 +[[image:image-20220602161617-8.png]]
301 +
302 +[[image:image-20220602161718-9.png||height="457" width="800"]]
303 +
304 +
305 +2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
306 +
307 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
308 +
309 +[[image:image-20220602161935-10.png||height="498" width="800"]]
310 +
311 +
312 +3. See Uplink Command
313 +
314 +Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
315 +
316 +example: AT+SENDB=01,02,8,05820802581ea0a5
317 +
318 +[[image:image-20220602162157-11.png||height="497" width="800"]]
319 +
320 +
321 +4. Check to see if TTN received the message
322 +
323 +[[image:image-20220602162331-12.png||height="420" width="800"]]
324 +
325 +
326 +
327 +== Example:Send PC's CPU/RAM usage to TTN via python ==
328 +
329 +(% class="wikigeneratedid" id="HUsepythonasanexampleFF1A" %)
330 +**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]]
331 +
332 +(% class="wikigeneratedid" id="HPreconditions:" %)
333 +**Preconditions:**
334 +
335 +1.LA66 USB LoRaWAN Adapter works fine
336 +
337 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
338 +
339 +(% class="wikigeneratedid" id="HStepsforusage" %)
340 +**Steps for usage**
341 +
342 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
343 +
344 +2.Run the python script in PC and see the TTN
345 +
346 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
347 +
348 +
349 +
169 169  == Example Send & Get Messages via LoRaWAN in RPi ==
170 170  
171 -=== Install USB Driver ===
352 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
172 172  
173 -Download Link:[[click here>>attach:CP210x_Universal_Windows_Driver.zip]]
354 +~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
174 174  
175 -=== Install Minicom ===
356 +[[image:image-20220602171233-2.png||height="538" width="800"]]
176 176  
177 -Enter the following command in the RPI terminal
178 178  
179 -apt update
359 +2. Install Minicom in RPi.
180 180  
181 -[[image:image-20220602143155-1.png]]
361 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
182 182  
183 -apt install minicom
363 +(% class="mark" %)apt update
184 184  
185 -[[image:image-20220602143744-2.png]]
365 +(% class="mark" %)apt install minicom
186 186  
187 -=== Use AT Command to send an uplink message. ===
188 188  
189 -=== Send PC's CPU/RAM usage to TTN via script. ===
368 +Use minicom to connect to the RPI's terminal
190 190  
191 -==== Take python as an example： ====
370 +[[image:image-20220602153146-3.png||height="439" width="500"]]
192 192  
193 -===== Preconditions: =====
194 194  
195 -1.LA66 LoRa Shield works fine
373 +3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
374 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
196 196  
197 -2.LA66 LoRa Shield is registered with TTN
376 +[[image:image-20220602154928-5.png||height="436" width="500"]]
198 198  
199 -===== Steps for usage =====
200 200  
201 -1.After connecting the line, connect it to the PC, turn SW1 to FLASH, and press the RST switch. As shown in the figure below
379 +4. Send Uplink message
202 202  
203 -[[image:image-20220602114148-1.png]]
381 +Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
204 204  
205 -2.Run the script and see the TTN
383 +example: AT+SENDB=01,02,8,05820802581ea0a5
206 206  
207 -[[image:image-20220602115852-3.png]]
385 +[[image:image-20220602160339-6.png||height="517" width="600"]]
208 208  
387 +Check to see if TTN received the message
209 209  
389 +[[image:image-20220602160627-7.png||height="369" width="800"]]
210 210  
391 +
392 +
211 211  == Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
212 212  
213 213  
214 214  == Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
397 +
398 +
399 +
400 += Order Info =
401 +
402 +Part Number:
403 +
404 +**LA66-XXX**, **LA66-LoRaWAN-Shield-XXX** or **LA66-USB-LoRaWAN-Adapter-XXX**
405 +
406 +**XXX**: The default frequency band
407 +
408 +* **AS923**: LoRaWAN AS923 band
409 +* **AU915**: LoRaWAN AU915 band
410 +* **EU433**: LoRaWAN EU433 band
411 +* **EU868**: LoRaWAN EU868 band
412 +* **KR920**: LoRaWAN KR920 band
413 +* **US915**: LoRaWAN US915 band
414 +* **IN865**: LoRaWAN IN865 band
415 +* **CN470**: LoRaWAN CN470 band
416 +* **PP**: Peer to Peer LoRa Protocol
417 +
418 += Reference =
419 +
420 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
421 +
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