Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 70.1 >
edited by Edwin Chen
on 2022/07/02 23:51
To version < 87.3 >
edited by Xiaoling
on 2022/07/13 09:49
>
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
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1 +
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.
... ... @@ -17,7 +17,7 @@
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  
22 22  * Support LoRaWAN v1.0.4 protocol
23 23  * Support peer-to-peer protocol
... ... @@ -29,10 +29,8 @@
29 29  * Firmware upgradable via UART interface
30 30  * Ultra-long RF range
31 31  
40 +== 1.3  Specification ==
32 32  
33 -
34 -== Specification ==
35 -
36 36  * CPU: 32-bit 48 MHz
37 37  * Flash: 256KB
38 38  * RAM: 64KB
... ... @@ -51,221 +51,373 @@
51 51  * LoRa Rx current: <9 mA
52 52  * I/O Voltage: 3.3v
53 53  
54 -== AT Command ==
60 +== 1.4  AT Command ==
55 55  
56 56  AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
57 57  
58 58  
59 -== Dimension ==
65 +== 1.5  Dimension ==
60 60  
61 61  [[image:image-20220517072526-1.png]]
62 62  
63 63  
64 -== Pin Mapping ==
65 65  
71 +== 1.6  Pin Mapping ==
72 +
73 +
66 66  [[image:image-20220523101537-1.png]]
67 67  
68 -== Land Pattern ==
69 69  
77 +
78 +== 1.7  Land Pattern ==
79 +
70 70  [[image:image-20220517072821-2.png]]
71 71  
72 72  
73 -== Part Number ==
74 74  
75 -Part Number: **LA66-XXX**
84 += 2.  LA66 LoRaWAN Shield =
76 76  
77 -**XX**: The default frequency band
78 78  
79 -* **AS923**: LoRaWAN AS923 band
80 -* **AU915**: LoRaWAN AU915 band
81 -* **EU433**: LoRaWAN EU433 band
82 -* **EU868**: LoRaWAN EU868 band
83 -* **KR920**: LoRaWAN KR920 band
84 -* **US915**: LoRaWAN US915 band
85 -* **IN865**: LoRaWAN IN865 band
86 -* **CN470**: LoRaWAN CN470 band
87 -* **PP**: Peer to Peer LoRa Protocol
87 +== 2.1  Overview ==
88 88  
89 -= 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.
90 90  
91 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
92 92  
93 -== Pin Mapping & LED ==
92 +== 2.2  Features ==
94 94  
95 -== 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
96 96  
97 -== Example: Join TTN network and send an uplink message, get downlink message. ==
105 +== 2.3  Specification ==
98 98  
99 -== 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
100 100  
101 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
125 +== 2.4  Pin Mapping & LED ==
102 102  
103 -=== what needs to be used ===
104 104  
105 -1.LA66 LoRaWAN Shield that needs to be upgraded
106 106  
107 -2.Arduino
129 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
108 108  
109 -3.USB TO TTL
110 110  
111 -[[image:image-20220602100052-2.png]]
112 112  
113 -=== Wiring Schematic ===
133 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
114 114  
115 -[[image:image-20220602101311-3.png]]
116 116  
117 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
118 118  
119 -GND  >>>>>>>>>>>>GND
137 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
120 120  
121 -TXD  >>>>>>>>>>>>TXD
122 122  
123 -RXD  >>>>>>>>>>>>RXD
124 124  
125 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
141 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
126 126  
127 -Connect to the PC after connecting the wires
128 128  
129 -[[image:image-20220602102240-4.png]]
144 +=== 2.8.1  Items needed for update ===
130 130  
131 -=== Upgrade steps ===
146 +1. LA66 LoRaWAN Shield
147 +1. Arduino
148 +1. USB TO TTL Adapter
132 132  
133 -==== 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"]]
134 134  
135 -[[image:image-20220602102824-5.png]]
136 136  
137 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
153 +=== 2.8.2  Connection ===
138 138  
139 -[[image:image-20220602104701-12.png]]
140 140  
141 -==== Open the upgrade application software ====
156 +[[image:image-20220602101311-3.png||height="276" width="600"]]
142 142  
143 -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/]]
144 144  
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 +
145 145  [[image:image-20220602103227-6.png]]
146 146  
197 +
147 147  [[image:image-20220602103357-7.png]]
148 148  
149 -===== Select the COM port corresponding to USB TTL =====
150 150  
201 +
202 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
203 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
204 +
205 +
151 151  [[image:image-20220602103844-8.png]]
152 152  
153 -===== Select the bin file to burn =====
154 154  
209 +
210 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
211 +(% style="color:blue" %)**3. Select the bin file to burn**
212 +
213 +
155 155  [[image:image-20220602104144-9.png]]
156 156  
216 +
157 157  [[image:image-20220602104251-10.png]]
158 158  
219 +
159 159  [[image:image-20220602104402-11.png]]
160 160  
161 -===== Click to start the download =====
162 162  
223 +
224 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
225 +(% style="color:blue" %)**4. Click to start the download**
226 +
163 163  [[image:image-20220602104923-13.png]]
164 164  
165 -===== The following figure appears to prove that the burning is in progress =====
166 166  
230 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
231 +(% style="color:blue" %)**5. Check update process**
232 +
233 +
167 167  [[image:image-20220602104948-14.png]]
168 168  
169 -===== The following picture appears to prove that the burning is successful =====
170 170  
237 +
238 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
239 +(% style="color:blue" %)**The following picture shows that the burning is successful**
240 +
171 171  [[image:image-20220602105251-15.png]]
172 172  
173 -= LA66 USB LoRaWAN Adapter =
174 174  
175 -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.
176 176  
177 -Before use, please make sure that the computer has installed the CP2102 driver
245 += 3.  LA66 USB LoRaWAN Adapter =
178 178  
179 -== Pin Mapping & LED ==
180 180  
181 -== Example Send & Get Messages via LoRaWAN in PC ==
248 +== 3.1  Overview ==
182 182  
183 -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.
184 184  
185 -[[image:image-20220602171217-1.png||height="615" width="915"]]
186 186  
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 +
187 187  Open the serial port tool
188 188  
189 189  [[image:image-20220602161617-8.png]]
190 190  
191 -[[image:image-20220602161718-9.png||height="529" width="927"]]
304 +[[image:image-20220602161718-9.png||height="457" width="800"]]
192 192  
193 -Press the reset switch RST on the LA66 LoRa Shield.
194 194  
195 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
196 196  
197 -[[image:image-20220602161935-10.png]]
308 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
198 198  
199 -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
200 200  
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 +
201 201  example: AT+SENDB=01,02,8,05820802581ea0a5
202 202  
203 -[[image:image-20220602162157-11.png]]
323 +[[image:image-20220602162157-11.png||height="497" width="800"]]
204 204  
205 -Check to see if TTN received the message
206 206  
207 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
208 208  
209 -== Example Send & Get Messages via LoRaWAN in RPi ==
327 +(% style="color:blue" %)**4. Check to see if TTN received the message**
210 210  
211 -Connect the LA66 LoRa Shield to the RPI
329 +[[image:image-20220602162331-12.png||height="420" width="800"]]
212 212  
213 -[[image:image-20220602171233-2.png||height="592" width="881"]]
214 214  
215 -Log in to the RPI's terminal and connect to the serial port
216 216  
217 -[[image:image-20220602153146-3.png]]
333 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
218 218  
219 -Press the reset switch RST on the LA66 LoRa Shield.
220 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
221 221  
222 -[[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]]
223 223  
224 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
225 225  
226 -example: AT+SENDB=01,02,8,05820802581ea0a5
339 +(% style="color:red" %)**Preconditions:**
227 227  
228 -[[image:image-20220602160339-6.png]]
341 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
229 229  
230 -Check to see if TTN received the message
343 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
231 231  
232 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
233 233  
234 -=== Install Minicom ===
235 235  
236 -Enter the following command in the RPI terminal
347 +(% style="color:blue" %)**Steps for usage:**
237 237  
238 -apt update
349 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
239 239  
240 -[[image:image-20220602143155-1.png]]
351 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
241 241  
242 -apt install minicom
353 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
243 243  
244 -[[image:image-20220602143744-2.png]]
245 245  
246 -=== Send PC's CPU/RAM usage to TTN via script. ===
247 247  
248 -==== Take python as an example： ====
357 +== Example Send & Get Messages via LoRaWAN in RPi ==
249 249  
250 -===== Preconditions: =====
359 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
251 251  
252 -1.LA66 USB LoRaWAN Adapter works fine
361 +~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
253 253  
254 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
363 +[[image:image-20220602171233-2.png||height="538" width="800"]]
255 255  
256 -===== Steps for usage =====
257 257  
258 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
366 +2. Install Minicom in RPi.
259 259  
260 -2.Run the script and see the TTN
368 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
261 261  
262 -[[image:image-20220602115852-3.png]]
370 +(% class="mark" %)apt update
263 263  
372 +(% class="mark" %)apt install minicom
264 264  
265 265  
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 +
266 266  == Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
267 267  
268 268  
269 269  == Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
270 270  
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 +
271 271  

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