<
From version < 69.1 >
edited by Edwin Chen
on 2022/07/02 23:51
To version < 87.4 >
edited by Xiaoling
on 2022/07/13 09:55
>
Change comment: There is no comment for this version

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1 -XWiki.Edwin
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  
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
... ... @@ -29,9 +29,8 @@
29 29  * Firmware upgradable via UART interface
30 30  * Ultra-long RF range
31 31  
40 +== 1.3  Specification ==
32 32  
33 -== Specification ==
34 -
35 35  * CPU: 32-bit 48 MHz
36 36  * Flash: 256KB
37 37  * RAM: 64KB
... ... @@ -50,221 +50,386 @@
50 50  * LoRa Rx current: <9 mA
51 51  * I/O Voltage: 3.3v
52 52  
53 -== AT Command ==
60 +== 1.4  AT Command ==
54 54  
55 55  AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
56 56  
57 57  
58 -== Dimension ==
65 +== 1.5  Dimension ==
59 59  
60 60  [[image:image-20220517072526-1.png]]
61 61  
62 62  
63 -== Pin Mapping ==
64 64  
71 +== 1.6  Pin Mapping ==
72 +
73 +
65 65  [[image:image-20220523101537-1.png]]
66 66  
67 -== Land Pattern ==
68 68  
77 +
78 +== 1.7  Land Pattern ==
79 +
69 69  [[image:image-20220517072821-2.png]]
70 70  
71 71  
72 -== Part Number ==
73 73  
74 -Part Number: **LA66-XXX**
84 += 2.  LA66 LoRaWAN Shield =
75 75  
76 -**XX**: The default frequency band
77 77  
78 -* **AS923**: LoRaWAN AS923 band
79 -* **AU915**: LoRaWAN AU915 band
80 -* **EU433**: LoRaWAN EU433 band
81 -* **EU868**: LoRaWAN EU868 band
82 -* **KR920**: LoRaWAN KR920 band
83 -* **US915**: LoRaWAN US915 band
84 -* **IN865**: LoRaWAN IN865 band
85 -* **CN470**: LoRaWAN CN470 band
86 -* **PP**: Peer to Peer LoRa Protocol
87 +== 2.1  Overview ==
87 87  
88 -= 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.
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.
91 91  
92 -== Pin Mapping & LED ==
92 +== 2.2  Features ==
93 93  
94 -== 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
95 95  
96 -== Example: Join TTN network and send an uplink message, get downlink message. ==
105 +== 2.3  Specification ==
97 97  
98 -== 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
99 99  
100 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
125 +== 2.4  Pin Mapping & LED ==
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
129 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
107 107  
108 -3.USB TO TTL
109 109  
110 -[[image:image-20220602100052-2.png]]
111 111  
112 -=== Wiring Schematic ===
133 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
113 113  
114 -[[image:image-20220602101311-3.png]]
115 115  
116 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
117 117  
118 -GND  >>>>>>>>>>>>GND
137 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
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
141 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
125 125  
126 -Connect to the PC after connecting the wires
127 127  
128 -[[image:image-20220602102240-4.png]]
144 +=== 2.8.1  Items needed for update ===
129 129  
130 -=== Upgrade steps ===
146 +1. LA66 LoRaWAN Shield
147 +1. Arduino
148 +1. USB TO TTL Adapter
131 131  
132 -==== 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"]]
133 133  
134 -[[image:image-20220602102824-5.png]]
135 135  
136 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
153 +=== 2.8.2  Connection ===
137 137  
138 -[[image:image-20220602104701-12.png]]
139 139  
140 -==== Open the upgrade application software ====
156 +[[image:image-20220602101311-3.png||height="276" width="600"]]
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 +(% 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 +
144 144  [[image:image-20220602103227-6.png]]
145 145  
197 +
146 146  [[image:image-20220602103357-7.png]]
147 147  
148 -===== Select the COM port corresponding to USB TTL =====
149 149  
201 +
202 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
203 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
204 +
205 +
150 150  [[image:image-20220602103844-8.png]]
151 151  
152 -===== Select the bin file to burn =====
153 153  
209 +
210 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
211 +(% style="color:blue" %)**3. Select the bin file to burn**
212 +
213 +
154 154  [[image:image-20220602104144-9.png]]
155 155  
216 +
156 156  [[image:image-20220602104251-10.png]]
157 157  
219 +
158 158  [[image:image-20220602104402-11.png]]
159 159  
160 -===== Click to start the download =====
161 161  
223 +
224 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
225 +(% style="color:blue" %)**4. Click to start the download**
226 +
162 162  [[image:image-20220602104923-13.png]]
163 163  
164 -===== The following figure appears to prove that the burning is in progress =====
165 165  
230 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
231 +(% style="color:blue" %)**5. Check update process**
232 +
233 +
166 166  [[image:image-20220602104948-14.png]]
167 167  
168 -===== The following picture appears to prove that the burning is successful =====
169 169  
237 +
238 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
239 +(% style="color:blue" %)**The following picture shows that the burning is successful**
240 +
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
245 += 3.  LA66 USB LoRaWAN Adapter =
177 177  
178 -== Pin Mapping & LED ==
179 179  
180 -== Example Send & Get Messages via LoRaWAN in PC ==
248 +== 3.1  Overview ==
181 181  
182 -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.
183 183  
184 -[[image:image-20220602171217-1.png||height="615" width="915"]]
185 185  
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 +
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"]]
304 +[[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]]
308 +(% 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>
310 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
199 199  
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 +
200 200  example: AT+SENDB=01,02,8,05820802581ea0a5
201 201  
202 -[[image:image-20220602162157-11.png]]
323 +[[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 ==
327 +(% style="color:blue" %)**4. Check to see if TTN received the message**
209 209  
210 -Connect the LA66 LoRa Shield to the RPI
329 +[[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]]
333 +== 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]]
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]]
222 222  
223 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
224 224  
339 +(% style="color:red" %)**Preconditions:**
340 +
341 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
342 +
343 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
344 +
345 +
346 +
347 +(% style="color:blue" %)**Steps for usage:**
348 +
349 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
350 +
351 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
352 +
353 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
354 +
355 +
356 +
357 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
358 +
359 +
360 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
361 +
362 +
363 +(% style="color:blue" %)**~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
364 +
365 +[[image:image-20220602171233-2.png||height="538" width="800"]]
366 +
367 +
368 +
369 +(% style="color:blue" %)**2. Install Minicom in RPi.**
370 +
371 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
372 +
373 + (% style="background-color:yellow" %)**apt update**
374 +
375 + (% style="background-color:yellow" %)**apt install minicom**
376 +
377 +
378 +Use minicom to connect to the RPI's terminal
379 +
380 +[[image:image-20220602153146-3.png||height="439" width="500"]]
381 +
382 +
383 +
384 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
385 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
386 +
387 +[[image:image-20220602154928-5.png||height="436" width="500"]]
388 +
389 +
390 +
391 +(% style="color:blue" %)**4. Send Uplink message**
392 +
393 +Format: **(% style="color:#4472C4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
394 +
225 225  example: AT+SENDB=01,02,8,05820802581ea0a5
226 226  
227 -[[image:image-20220602160339-6.png]]
228 228  
398 +[[image:image-20220602160339-6.png||height="517" width="600"]]
399 +
400 +
401 +
229 229  Check to see if TTN received the message
230 230  
231 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
404 +[[image:image-20220602160627-7.png||height="369" width="800"]]
232 232  
233 -=== Install Minicom ===
234 234  
235 -Enter the following command in the RPI terminal
236 236  
237 -apt update
408 +== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
238 238  
239 -[[image:image-20220602143155-1.png]]
240 240  
241 -apt install minicom
242 242  
243 -[[image:image-20220602143744-2.png]]
412 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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: =====
250 250  
251 -1.LA66 USB LoRaWAN Adapter works fine
417 += 4.  Order Info =
252 252  
253 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
254 254  
255 -===== Steps for usage =====
420 +Part Number: **LA66-XXX**, **LA66-LoRaWAN-Shield-XXX**  or  **LA66-USB-LoRaWAN-Adapter-XXX**
256 256  
257 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
258 258  
259 -2.Run the script and see the TTN
423 +**XXX**: The default frequency band
260 260  
261 -[[image:image-20220602115852-3.png]]
425 +* **AS923**:  LoRaWAN AS923 band
426 +* **AU915**:  LoRaWAN AU915 band
427 +* **EU433**:  LoRaWAN EU433 band
428 +* **EU868**:  LoRaWAN EU868 band
429 +* **KR920**:  LoRaWAN KR920 band
430 +* **US915**:  LoRaWAN US915 band
431 +* **IN865**:  LoRaWAN IN865 band
432 +* **CN470**: LoRaWAN CN470 band
433 +* **PP**:  Peer to Peer LoRa Protocol
262 262  
263 263  
264 264  
265 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
266 266  
438 += 5.  Reference =
267 267  
268 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
440 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
269 269  
270 270  
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