<
From version < 68.1 >
edited by Edwin Chen
on 2022/07/02 23:42
To version < 87.14 >
edited by Xiaoling
on 2022/07/13 10:06
>
Change comment: There is no comment for this version

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Author
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
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1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
1 +
2 +
3 +**Table of Contents:**
4 +
2 2  {{toc/}}
3 -{{/box}}
4 4  
5 -= LA66 LoRaWAN Module =
6 6  
7 -== What is LA66 LoRaWAN Module ==
8 8  
9 += 1.  LA66 LoRaWAN Module =
10 +
11 +
12 +== 1.1  What is LA66 LoRaWAN Module ==
13 +
14 +
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 ==
26 +== 1.2  Features ==
21 21  
22 22  * Support LoRaWAN v1.0.4 protocol
23 23  * Support peer-to-peer protocol
... ... @@ -25,12 +25,14 @@
25 25  * SMD Antenna pad and i-pex antenna connector
26 26  * Available in different frequency LoRaWAN frequency bands.
27 27  * World-wide unique OTAA keys.
34 +* AT Command via UART-TTL interface
35 +* Firmware upgradable via UART interface
36 +* Ultra-long RF range
28 28  
29 29  
30 30  
40 +== 1.3  Specification ==
31 31  
32 -== Specification ==
33 -
34 34  * CPU: 32-bit 48 MHz
35 35  * Flash: 256KB
36 36  * RAM: 64KB
... ... @@ -49,222 +49,403 @@
49 49  * LoRa Rx current: <9 mA
50 50  * I/O Voltage: 3.3v
51 51  
52 -== AT Command ==
53 53  
61 +
62 +== 1.4  AT Command ==
63 +
54 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 55  
56 56  
57 -== Dimension ==
67 +== 1.5  Dimension ==
58 58  
59 59  [[image:image-20220517072526-1.png]]
60 60  
61 61  
62 -== Pin Mapping ==
63 63  
73 +== 1.6  Pin Mapping ==
74 +
75 +
64 64  [[image:image-20220523101537-1.png]]
65 65  
66 -== Land Pattern ==
67 67  
79 +
80 +== 1.7  Land Pattern ==
81 +
68 68  [[image:image-20220517072821-2.png]]
69 69  
70 70  
71 -== Part Number ==
72 72  
73 -Part Number: **LA66-XXX**
86 += 2.  LA66 LoRaWAN Shield =
74 74  
75 -**XX**: The default frequency band
76 76  
77 -* **AS923**: LoRaWAN AS923 band
78 -* **AU915**: LoRaWAN AU915 band
79 -* **EU433**: LoRaWAN EU433 band
80 -* **EU868**: LoRaWAN EU868 band
81 -* **KR920**: LoRaWAN KR920 band
82 -* **US915**: LoRaWAN US915 band
83 -* **IN865**: LoRaWAN IN865 band
84 -* **CN470**: LoRaWAN CN470 band
85 -* **PP**: Peer to Peer LoRa Protocol
89 +== 2.1  Overview ==
86 86  
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.
87 87  
88 -= LA66 LoRaWAN Shield =
89 89  
90 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
94 +== 2.2  Features ==
91 91  
92 -== Pin Mapping & LED ==
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
93 93  
94 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
95 95  
96 -== Example: Join TTN network and send an uplink message, get downlink message. ==
97 97  
98 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
109 +== 2.3  Specification ==
99 99  
100 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
111 +* CPU: 32-bit 48 MHz
112 +* Flash: 256KB
113 +* RAM: 64KB
114 +* Input Power Range: 1.8v ~~ 3.7v
115 +* Power Consumption: < 4uA.
116 +* Frequency Range: 150 MHz ~~ 960 MHz
117 +* Maximum Power +22 dBm constant RF output
118 +* High sensitivity: -148 dBm
119 +* Temperature:
120 +** Storage: -55 ~~ +125℃
121 +** Operating: -40 ~~ +85℃
122 +* Humidity:
123 +** Storage: 5 ~~ 95% (Non-Condensing)
124 +** Operating: 10 ~~ 95% (Non-Condensing)
125 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
126 +* LoRa Rx current: <9 mA
127 +* I/O Voltage: 3.3v
101 101  
102 -=== what needs to be used ===
103 103  
104 -1.LA66 LoRaWAN Shield that needs to be upgraded
105 105  
106 -2.Arduino
131 +== 2.4  Pin Mapping & LED ==
107 107  
108 -3.USB TO TTL
109 109  
110 -[[image:image-20220602100052-2.png]]
111 111  
112 -=== Wiring Schematic ===
135 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
113 113  
114 -[[image:image-20220602101311-3.png]]
115 115  
116 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
117 117  
118 -GND  >>>>>>>>>>>>GND
139 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
119 119  
120 -TXD  >>>>>>>>>>>>TXD
121 121  
122 -RXD  >>>>>>>>>>>>RXD
123 123  
124 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
143 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
125 125  
126 -Connect to the PC after connecting the wires
127 127  
128 -[[image:image-20220602102240-4.png]]
129 129  
130 -=== Upgrade steps ===
147 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
131 131  
132 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
133 133  
134 -[[image:image-20220602102824-5.png]]
150 +=== 2.8.1  Items needed for update ===
135 135  
136 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
152 +1. LA66 LoRaWAN Shield
153 +1. Arduino
154 +1. USB TO TTL Adapter
137 137  
138 -[[image:image-20220602104701-12.png]]
139 139  
140 -==== Open the upgrade application software ====
141 141  
142 -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/]]
143 143  
159 +[[image:image-20220602100052-2.png||height="385" width="600"]]
160 +
161 +
162 +=== 2.8.2  Connection ===
163 +
164 +
165 +[[image:image-20220602101311-3.png||height="276" width="600"]]
166 +
167 +
168 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
169 +
170 +(% style="background-color:yellow" %)**GND  <-> GND
171 +TXD  <->  TXD
172 +RXD  <->  RXD**
173 +
174 +
175 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
176 +
177 +Connect USB TTL Adapter to PC after connecting the wires
178 +
179 +
180 +[[image:image-20220602102240-4.png||height="304" width="600"]]
181 +
182 +
183 +=== 2.8.3  Upgrade steps ===
184 +
185 +
186 +==== 1.  Switch SW1 to put in ISP position ====
187 +
188 +
189 +[[image:image-20220602102824-5.png||height="306" width="600"]]
190 +
191 +
192 +
193 +==== 2.  Press the RST switch once ====
194 +
195 +
196 +[[image:image-20220602104701-12.png||height="285" width="600"]]
197 +
198 +
199 +
200 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
201 +
202 +
203 +(% 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/]]**
204 +
205 +
144 144  [[image:image-20220602103227-6.png]]
145 145  
208 +
146 146  [[image:image-20220602103357-7.png]]
147 147  
148 -===== Select the COM port corresponding to USB TTL =====
149 149  
212 +
213 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
214 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
215 +
216 +
150 150  [[image:image-20220602103844-8.png]]
151 151  
152 -===== Select the bin file to burn =====
153 153  
220 +
221 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
222 +(% style="color:blue" %)**3. Select the bin file to burn**
223 +
224 +
154 154  [[image:image-20220602104144-9.png]]
155 155  
227 +
156 156  [[image:image-20220602104251-10.png]]
157 157  
230 +
158 158  [[image:image-20220602104402-11.png]]
159 159  
160 -===== Click to start the download =====
161 161  
234 +
235 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
236 +(% style="color:blue" %)**4. Click to start the download**
237 +
162 162  [[image:image-20220602104923-13.png]]
163 163  
164 -===== The following figure appears to prove that the burning is in progress =====
165 165  
241 +
242 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
243 +(% style="color:blue" %)**5. Check update process**
244 +
245 +
166 166  [[image:image-20220602104948-14.png]]
167 167  
168 -===== The following picture appears to prove that the burning is successful =====
169 169  
249 +
250 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
251 +(% style="color:blue" %)**The following picture shows that the burning is successful**
252 +
170 170  [[image:image-20220602105251-15.png]]
171 171  
172 -= LA66 USB LoRaWAN Adapter =
173 173  
174 -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.
175 175  
176 -Before use, please make sure that the computer has installed the CP2102 driver
257 += 3.  LA66 USB LoRaWAN Adapter =
177 177  
178 -== Pin Mapping & LED ==
179 179  
180 -== Example Send & Get Messages via LoRaWAN in PC ==
260 +== 3.1  Overview ==
181 181  
182 -Connect the LA66 LoRa Shield to the PC
262 +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.
183 183  
184 -[[image:image-20220602171217-1.png||height="615" width="915"]]
185 185  
265 +== 3.2  Features ==
266 +
267 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
268 +* Ultra-long RF range
269 +* Support LoRaWAN v1.0.4 protocol
270 +* Support peer-to-peer protocol
271 +* TCXO crystal to ensure RF performance on low temperature
272 +* Spring RF antenna
273 +* Available in different frequency LoRaWAN frequency bands.
274 +* World-wide unique OTAA keys.
275 +* AT Command via UART-TTL interface
276 +* Firmware upgradable via UART interface
277 +
278 +
279 +
280 +== 3.3  Specification ==
281 +
282 +* CPU: 32-bit 48 MHz
283 +* Flash: 256KB
284 +* RAM: 64KB
285 +* Input Power Range: 5v
286 +* Frequency Range: 150 MHz ~~ 960 MHz
287 +* Maximum Power +22 dBm constant RF output
288 +* High sensitivity: -148 dBm
289 +* Temperature:
290 +** Storage: -55 ~~ +125℃
291 +** Operating: -40 ~~ +85℃
292 +* Humidity:
293 +** Storage: 5 ~~ 95% (Non-Condensing)
294 +** Operating: 10 ~~ 95% (Non-Condensing)
295 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
296 +* LoRa Rx current: <9 mA
297 +
298 +
299 +
300 +== 3.4  Pin Mapping & LED ==
301 +
302 +
303 +
304 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
305 +
306 +
307 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
308 +
309 +
310 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
311 +
312 +
313 +[[image:image-20220602171217-1.png||height="538" width="800"]]
314 +
315 +
186 186  Open the serial port tool
187 187  
188 188  [[image:image-20220602161617-8.png]]
189 189  
190 -[[image:image-20220602161718-9.png||height="529" width="927"]]
320 +[[image:image-20220602161718-9.png||height="457" width="800"]]
191 191  
192 -Press the reset switch RST on the LA66 LoRa Shield.
193 193  
194 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
195 195  
196 -[[image:image-20220602161935-10.png]]
324 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
197 197  
198 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
326 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
199 199  
328 +
329 +[[image:image-20220602161935-10.png||height="498" width="800"]]
330 +
331 +
332 +
333 +(% style="color:blue" %)**3. See Uplink Command**
334 +
335 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
336 +
200 200  example: AT+SENDB=01,02,8,05820802581ea0a5
201 201  
202 -[[image:image-20220602162157-11.png]]
339 +[[image:image-20220602162157-11.png||height="497" width="800"]]
203 203  
204 -Check to see if TTN received the message
205 205  
206 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
207 207  
208 -== Example Send & Get Messages via LoRaWAN in RPi ==
343 +(% style="color:blue" %)**4. Check to see if TTN received the message**
209 209  
210 -Connect the LA66 LoRa Shield to the RPI
345 +[[image:image-20220602162331-12.png||height="420" width="800"]]
211 211  
212 -[[image:image-20220602171233-2.png||height="592" width="881"]]
213 213  
214 -Log in to the RPI's terminal and connect to the serial port
215 215  
216 -[[image:image-20220602153146-3.png]]
349 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
217 217  
218 -Press the reset switch RST on the LA66 LoRa Shield.
219 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
220 220  
221 -[[image:image-20220602154928-5.png]]
352 +**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]]
222 222  
223 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
224 224  
355 +(% style="color:red" %)**Preconditions:**
356 +
357 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
358 +
359 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
360 +
361 +
362 +
363 +(% style="color:blue" %)**Steps for usage:**
364 +
365 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
366 +
367 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
368 +
369 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
370 +
371 +
372 +
373 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
374 +
375 +
376 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
377 +
378 +
379 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
380 +
381 +[[image:image-20220602171233-2.png||height="538" width="800"]]
382 +
383 +
384 +
385 +(% style="color:blue" %)**2. Install Minicom in RPi.**
386 +
387 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
388 +
389 + (% style="background-color:yellow" %)**apt update**
390 +
391 + (% style="background-color:yellow" %)**apt install minicom**
392 +
393 +
394 +Use minicom to connect to the RPI's terminal
395 +
396 +[[image:image-20220602153146-3.png||height="439" width="500"]]
397 +
398 +
399 +
400 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
401 +
402 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
403 +
404 +
405 +[[image:image-20220602154928-5.png||height="436" width="500"]]
406 +
407 +
408 +
409 +(% style="color:blue" %)**4. Send Uplink message**
410 +
411 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
412 +
225 225  example: AT+SENDB=01,02,8,05820802581ea0a5
226 226  
227 -[[image:image-20220602160339-6.png]]
228 228  
229 -Check to see if TTN received the message
416 +[[image:image-20220602160339-6.png||height="517" width="600"]]
230 230  
231 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
232 232  
233 -=== Install Minicom ===
234 234  
235 -Enter the following command in the RPI terminal
420 +Check to see if TTN received the message
236 236  
237 -apt update
422 +[[image:image-20220602160627-7.png||height="369" width="800"]]
238 238  
239 -[[image:image-20220602143155-1.png]]
240 240  
241 -apt install minicom
242 242  
243 -[[image:image-20220602143744-2.png]]
426 +== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
244 244  
245 -=== Send PC's CPU/RAM usage to TTN via script. ===
246 246  
247 -==== Take python as an example: ====
248 248  
249 -===== Preconditions: =====
430 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
250 250  
251 -1.LA66 USB LoRaWAN Adapter works fine
252 252  
253 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
254 254  
255 -===== Steps for usage =====
256 256  
257 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
435 += 4.  Order Info =
258 258  
259 -2.Run the script and see the TTN
260 260  
261 -[[image:image-20220602115852-3.png]]
438 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
262 262  
263 263  
441 +(% style="color:blue" %)**XXX**(%%): The default frequency band
264 264  
265 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
443 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
444 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
445 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
446 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
447 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
448 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
449 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
450 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
451 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
266 266  
267 267  
268 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
269 269  
455 += 5.  Reference =
456 +
457 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
458 +
270 270  
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