<
From version < 67.1 >
edited by Edwin Chen
on 2022/07/02 23:33
To version < 87.3 >
edited by Xiaoling
on 2022/07/13 09:49
>
Change comment: There is no comment for this version

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1 -XWiki.Edwin
1 +XWiki.Xiaoling
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2 +
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  
10 +
11 += 1.  LA66 LoRaWAN Module =
12 +
13 +
14 +== 1.1  What is LA66 LoRaWAN Module ==
15 +
16 +
9 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 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.
... ... @@ -17,12 +17,23 @@
17 17  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
18 18  
19 19  
20 -== Features ==
28 +== 1.2  Features ==
21 21  
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
22 22  
40 +== 1.3  Specification ==
23 23  
24 -== Specification ==
25 -
42 +* CPU: 32-bit 48 MHz
43 +* Flash: 256KB
44 +* RAM: 64KB
26 26  * Input Power Range: 1.8v ~~ 3.7v
27 27  * Power Consumption: < 4uA.
28 28  * Frequency Range: 150 MHz ~~ 960 MHz
... ... @@ -38,220 +38,373 @@
38 38  * LoRa Rx current: <9 mA
39 39  * I/O Voltage: 3.3v
40 40  
41 -== AT Command ==
60 +== 1.4  AT Command ==
42 42  
43 43  AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
44 44  
45 45  
46 -== Dimension ==
65 +== 1.5  Dimension ==
47 47  
48 48  [[image:image-20220517072526-1.png]]
49 49  
50 50  
51 -== Pin Mapping ==
52 52  
71 +== 1.6  Pin Mapping ==
72 +
73 +
53 53  [[image:image-20220523101537-1.png]]
54 54  
55 -== Land Pattern ==
56 56  
77 +
78 +== 1.7  Land Pattern ==
79 +
57 57  [[image:image-20220517072821-2.png]]
58 58  
59 59  
60 -== Part Number ==
61 61  
62 -Part Number: **LA66-XXX**
84 += 2.  LA66 LoRaWAN Shield =
63 63  
64 -**XX**: The default frequency band
65 65  
66 -* **AS923**: LoRaWAN AS923 band
67 -* **AU915**: LoRaWAN AU915 band
68 -* **EU433**: LoRaWAN EU433 band
69 -* **EU868**: LoRaWAN EU868 band
70 -* **KR920**: LoRaWAN KR920 band
71 -* **US915**: LoRaWAN US915 band
72 -* **IN865**: LoRaWAN IN865 band
73 -* **CN470**: LoRaWAN CN470 band
87 +== 2.1  Overview ==
74 74  
75 -= LA66 LoRaWAN Shield =
89 +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.
76 76  
77 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
78 78  
79 -== Pin Mapping & LED ==
92 +== 2.2  Features ==
80 80  
81 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
94 +* Arduino Shield base on LA66 LoRaWAN module
95 +* Support LoRaWAN v1.0.4 protocol
96 +* Support peer-to-peer protocol
97 +* TCXO crystal to ensure RF performance on low temperature
98 +* SMA connector
99 +* Available in different frequency LoRaWAN frequency bands.
100 +* World-wide unique OTAA keys.
101 +* AT Command via UART-TTL interface
102 +* Firmware upgradable via UART interface
103 +* Ultra-long RF range
82 82  
83 -== Example: Join TTN network and send an uplink message, get downlink message. ==
105 +== 2.3  Specification ==
84 84  
85 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
107 +* CPU: 32-bit 48 MHz
108 +* Flash: 256KB
109 +* RAM: 64KB
110 +* Input Power Range: 1.8v ~~ 3.7v
111 +* Power Consumption: < 4uA.
112 +* Frequency Range: 150 MHz ~~ 960 MHz
113 +* Maximum Power +22 dBm constant RF output
114 +* High sensitivity: -148 dBm
115 +* Temperature:
116 +** Storage: -55 ~~ +125℃
117 +** Operating: -40 ~~ +85℃
118 +* Humidity:
119 +** Storage: 5 ~~ 95% (Non-Condensing)
120 +** Operating: 10 ~~ 95% (Non-Condensing)
121 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
122 +* LoRa Rx current: <9 mA
123 +* I/O Voltage: 3.3v
86 86  
87 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
125 +== 2.4  Pin Mapping & LED ==
88 88  
89 -=== what needs to be used ===
90 90  
91 -1.LA66 LoRaWAN Shield that needs to be upgraded
92 92  
93 -2.Arduino
129 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
94 94  
95 -3.USB TO TTL
96 96  
97 -[[image:image-20220602100052-2.png]]
98 98  
99 -=== Wiring Schematic ===
133 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
100 100  
101 -[[image:image-20220602101311-3.png]]
102 102  
103 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
104 104  
105 -GND  >>>>>>>>>>>>GND
137 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
106 106  
107 -TXD  >>>>>>>>>>>>TXD
108 108  
109 -RXD  >>>>>>>>>>>>RXD
110 110  
111 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
141 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
112 112  
113 -Connect to the PC after connecting the wires
114 114  
115 -[[image:image-20220602102240-4.png]]
144 +=== 2.8.1  Items needed for update ===
116 116  
117 -=== Upgrade steps ===
146 +1. LA66 LoRaWAN Shield
147 +1. Arduino
148 +1. USB TO TTL Adapter
118 118  
119 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
150 +[[image:image-20220602100052-2.png||height="385" width="600"]]
120 120  
121 -[[image:image-20220602102824-5.png]]
122 122  
123 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
153 +=== 2.8.2  Connection ===
124 124  
125 -[[image:image-20220602104701-12.png]]
126 126  
127 -==== Open the upgrade application software ====
156 +[[image:image-20220602101311-3.png||height="276" width="600"]]
128 128  
129 -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/]]
130 130  
159 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
160 +
161 +
162 +(% style="background-color:yellow" %)**GND  <-> GND
163 +TXD  <->  TXD
164 +RXD  <->  RXD**
165 +
166 +
167 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
168 +
169 +Connect USB TTL Adapter to PC after connecting the wires
170 +
171 +
172 +[[image:image-20220602102240-4.png||height="304" width="600"]]
173 +
174 +
175 +=== 2.8.3  Upgrade steps ===
176 +
177 +
178 +==== 1.  Switch SW1 to put in ISP position ====
179 +
180 +
181 +[[image:image-20220602102824-5.png||height="306" width="600"]]
182 +
183 +
184 +==== 2.  Press the RST switch once ====
185 +
186 +[[image:image-20220602104701-12.png||height="285" width="600"]]
187 +
188 +
189 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
190 +
191 +
192 +(% 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/]]**
193 +
194 +
131 131  [[image:image-20220602103227-6.png]]
132 132  
197 +
133 133  [[image:image-20220602103357-7.png]]
134 134  
135 -===== Select the COM port corresponding to USB TTL =====
136 136  
201 +
202 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
203 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
204 +
205 +
137 137  [[image:image-20220602103844-8.png]]
138 138  
139 -===== Select the bin file to burn =====
140 140  
209 +
210 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
211 +(% style="color:blue" %)**3. Select the bin file to burn**
212 +
213 +
141 141  [[image:image-20220602104144-9.png]]
142 142  
216 +
143 143  [[image:image-20220602104251-10.png]]
144 144  
219 +
145 145  [[image:image-20220602104402-11.png]]
146 146  
147 -===== Click to start the download =====
148 148  
223 +
224 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
225 +(% style="color:blue" %)**4. Click to start the download**
226 +
149 149  [[image:image-20220602104923-13.png]]
150 150  
151 -===== The following figure appears to prove that the burning is in progress =====
152 152  
230 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
231 +(% style="color:blue" %)**5. Check update process**
232 +
233 +
153 153  [[image:image-20220602104948-14.png]]
154 154  
155 -===== The following picture appears to prove that the burning is successful =====
156 156  
237 +
238 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
239 +(% style="color:blue" %)**The following picture shows that the burning is successful**
240 +
157 157  [[image:image-20220602105251-15.png]]
158 158  
159 -= LA66 USB LoRaWAN Adapter =
160 160  
161 -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.
162 162  
163 -Before use, please make sure that the computer has installed the CP2102 driver
245 += 3.  LA66 USB LoRaWAN Adapter =
164 164  
165 -== Pin Mapping & LED ==
166 166  
167 -== Example Send & Get Messages via LoRaWAN in PC ==
248 +== 3.1  Overview ==
168 168  
169 -Connect the LA66 LoRa Shield to the PC
250 +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.
170 170  
171 -[[image:image-20220602171217-1.png||height="615" width="915"]]
172 172  
253 +== 3.2  Features ==
254 +
255 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
256 +* Ultra-long RF range
257 +* Support LoRaWAN v1.0.4 protocol
258 +* Support peer-to-peer protocol
259 +* TCXO crystal to ensure RF performance on low temperature
260 +* Spring RF antenna
261 +* Available in different frequency LoRaWAN frequency bands.
262 +* World-wide unique OTAA keys.
263 +* AT Command via UART-TTL interface
264 +* Firmware upgradable via UART interface
265 +
266 +== 3.3  Specification ==
267 +
268 +* CPU: 32-bit 48 MHz
269 +* Flash: 256KB
270 +* RAM: 64KB
271 +* Input Power Range: 5v
272 +* Frequency Range: 150 MHz ~~ 960 MHz
273 +* Maximum Power +22 dBm constant RF output
274 +* High sensitivity: -148 dBm
275 +* Temperature:
276 +** Storage: -55 ~~ +125℃
277 +** Operating: -40 ~~ +85℃
278 +* Humidity:
279 +** Storage: 5 ~~ 95% (Non-Condensing)
280 +** Operating: 10 ~~ 95% (Non-Condensing)
281 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
282 +* LoRa Rx current: <9 mA
283 +
284 +== 3.4  Pin Mapping & LED ==
285 +
286 +
287 +
288 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
289 +
290 +
291 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
292 +
293 +
294 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
295 +
296 +
297 +[[image:image-20220602171217-1.png||height="538" width="800"]]
298 +
299 +
173 173  Open the serial port tool
174 174  
175 175  [[image:image-20220602161617-8.png]]
176 176  
177 -[[image:image-20220602161718-9.png||height="529" width="927"]]
304 +[[image:image-20220602161718-9.png||height="457" width="800"]]
178 178  
179 -Press the reset switch RST on the LA66 LoRa Shield.
180 180  
181 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
182 182  
183 -[[image:image-20220602161935-10.png]]
308 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
184 184  
185 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
310 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
186 186  
312 +
313 +[[image:image-20220602161935-10.png||height="498" width="800"]]
314 +
315 +
316 +
317 +(% style="color:blue" %)**3. See Uplink Command**
318 +
319 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
320 +
187 187  example: AT+SENDB=01,02,8,05820802581ea0a5
188 188  
189 -[[image:image-20220602162157-11.png]]
323 +[[image:image-20220602162157-11.png||height="497" width="800"]]
190 190  
191 -Check to see if TTN received the message
192 192  
193 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
194 194  
195 -== Example Send & Get Messages via LoRaWAN in RPi ==
327 +(% style="color:blue" %)**4. Check to see if TTN received the message**
196 196  
197 -Connect the LA66 LoRa Shield to the RPI
329 +[[image:image-20220602162331-12.png||height="420" width="800"]]
198 198  
199 -[[image:image-20220602171233-2.png||height="592" width="881"]]
200 200  
201 -Log in to the RPI's terminal and connect to the serial port
202 202  
203 -[[image:image-20220602153146-3.png]]
333 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
204 204  
205 -Press the reset switch RST on the LA66 LoRa Shield.
206 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
207 207  
208 -[[image:image-20220602154928-5.png]]
336 +**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]]
209 209  
210 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
211 211  
212 -example: AT+SENDB=01,02,8,05820802581ea0a5
339 +(% style="color:red" %)**Preconditions:**
213 213  
214 -[[image:image-20220602160339-6.png]]
341 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
215 215  
216 -Check to see if TTN received the message
343 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapte is registered with TTN**
217 217  
218 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
219 219  
220 -=== Install Minicom ===
221 221  
222 -Enter the following command in the RPI terminal
347 +(% style="color:blue" %)**Steps for usage:**
223 223  
224 -apt update
349 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
225 225  
226 -[[image:image-20220602143155-1.png]]
351 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
227 227  
228 -apt install minicom
353 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
229 229  
230 -[[image:image-20220602143744-2.png]]
231 231  
232 -=== Send PC's CPU/RAM usage to TTN via script. ===
233 233  
234 -==== Take python as an example: ====
357 +== Example Send & Get Messages via LoRaWAN in RPi ==
235 235  
236 -===== Preconditions: =====
359 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
237 237  
238 -1.LA66 USB LoRaWAN Adapter works fine
361 +~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
239 239  
240 -2.LA66 USB LoRaWAN Adapteis registered with TTN
363 +[[image:image-20220602171233-2.png||height="538" width="800"]]
241 241  
242 -===== Steps for usage =====
243 243  
244 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
366 +2. Install Minicom in RPi.
245 245  
246 -2.Run the script and see the TTN
368 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
247 247  
248 -[[image:image-20220602115852-3.png]]
370 +(% class="mark" %)apt update
249 249  
372 +(% class="mark" %)apt install minicom
250 250  
251 251  
375 +Use minicom to connect to the RPI's terminal
376 +
377 +[[image:image-20220602153146-3.png||height="439" width="500"]]
378 +
379 +
380 +3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
381 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
382 +
383 +[[image:image-20220602154928-5.png||height="436" width="500"]]
384 +
385 +
386 +4. Send Uplink message
387 +
388 +Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
389 +
390 +example: AT+SENDB=01,02,8,05820802581ea0a5
391 +
392 +[[image:image-20220602160339-6.png||height="517" width="600"]]
393 +
394 +Check to see if TTN received the message
395 +
396 +[[image:image-20220602160627-7.png||height="369" width="800"]]
397 +
398 +
399 +
252 252  == Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
253 253  
254 254  
255 255  == Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
256 256  
405 +
406 +
407 += Order Info =
408 +
409 +Part Number:
410 +
411 +**LA66-XXX**, **LA66-LoRaWAN-Shield-XXX** or **LA66-USB-LoRaWAN-Adapter-XXX**
412 +
413 +**XXX**: The default frequency band
414 +
415 +* **AS923**: LoRaWAN AS923 band
416 +* **AU915**: LoRaWAN AU915 band
417 +* **EU433**: LoRaWAN EU433 band
418 +* **EU868**: LoRaWAN EU868 band
419 +* **KR920**: LoRaWAN KR920 band
420 +* **US915**: LoRaWAN US915 band
421 +* **IN865**: LoRaWAN IN865 band
422 +* **CN470**: LoRaWAN CN470 band
423 +* **PP**: Peer to Peer LoRa Protocol
424 +
425 += Reference =
426 +
427 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
428 +
257 257  
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