<
From version < 68.1 >
edited by Edwin Chen
on 2022/07/02 23:42
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.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
... ... @@ -25,12 +25,13 @@
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.
36 +* AT Command via UART-TTL interface
37 +* Firmware upgradable via UART interface
38 +* Ultra-long RF range
28 28  
29 29  
41 +== 1.3  Specification ==
30 30  
31 -
32 -== Specification ==
33 -
34 34  * CPU: 32-bit 48 MHz
35 35  * Flash: 256KB
36 36  * RAM: 64KB
... ... @@ -49,222 +49,365 @@
49 49  * LoRa Rx current: <9 mA
50 50  * I/O Voltage: 3.3v
51 51  
52 -== AT Command ==
53 53  
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. ==
108 +== 2.3  Specification ==
97 97  
98 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
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
99 99  
100 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
101 101  
102 -=== what needs to be used ===
129 +== 2.4  Pin Mapping & LED ==
103 103  
104 -1.LA66 LoRaWAN Shield that needs to be upgraded
105 105  
106 -2.Arduino
107 107  
108 -3.USB TO TTL
133 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
109 109  
110 -[[image:image-20220602100052-2.png]]
111 111  
112 -=== Wiring Schematic ===
113 113  
114 -[[image:image-20220602101311-3.png]]
137 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
115 115  
116 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
117 117  
118 -GND  >>>>>>>>>>>>GND
119 119  
120 -TXD  >>>>>>>>>>>>TXD
141 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
121 121  
122 -RXD  >>>>>>>>>>>>RXD
123 123  
124 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
125 125  
126 -Connect to the PC after connecting the wires
145 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
127 127  
128 -[[image:image-20220602102240-4.png]]
129 129  
130 -=== Upgrade steps ===
148 +=== 2.8.1  Items needed for update ===
131 131  
132 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
150 +1. LA66 LoRaWAN Shield
151 +1. Arduino
152 +1. USB TO TTL Adapter
133 133  
134 -[[image:image-20220602102824-5.png]]
154 +[[image:image-20220602100052-2.png||height="385" width="600"]]
135 135  
136 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
137 137  
138 -[[image:image-20220602104701-12.png]]
157 +=== 2.8.2  Connection ===
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/]]
160 +[[image:image-20220602101311-3.png||height="276" width="600"]]
143 143  
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 +
144 144  [[image:image-20220602103227-6.png]]
145 145  
201 +
146 146  [[image:image-20220602103357-7.png]]
147 147  
148 -===== Select the COM port corresponding to USB TTL =====
149 149  
205 +
206 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
207 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
208 +
209 +
150 150  [[image:image-20220602103844-8.png]]
151 151  
152 -===== Select the bin file to burn =====
153 153  
213 +
214 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
215 +(% style="color:blue" %)**3. Select the bin file to burn**
216 +
217 +
154 154  [[image:image-20220602104144-9.png]]
155 155  
220 +
156 156  [[image:image-20220602104251-10.png]]
157 157  
223 +
158 158  [[image:image-20220602104402-11.png]]
159 159  
160 -===== Click to start the download =====
161 161  
227 +
228 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
229 +(% style="color:blue" %)**4. Click to start the download**
230 +
162 162  [[image:image-20220602104923-13.png]]
163 163  
164 -===== The following figure appears to prove that the burning is in progress =====
165 165  
234 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
235 +(% style="color:blue" %)**5. Check update process**
236 +
237 +
166 166  [[image:image-20220602104948-14.png]]
167 167  
168 -===== The following picture appears to prove that the burning is successful =====
169 169  
241 +
242 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
243 +(% style="color:blue" %)**The following picture shows that the burning is successful**
244 +
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
249 += 3.  LA66 USB LoRaWAN Adapter =
177 177  
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 +
178 178  == Pin Mapping & LED ==
179 179  
180 180  == Example Send & Get Messages via LoRaWAN in PC ==
181 181  
182 -Connect the LA66 LoRa Shield to the PC
292 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
183 183  
184 -[[image:image-20220602171217-1.png||height="615" width="915"]]
294 +~1. Connect the LA66 USB LoRaWAN adapter to PC
185 185  
296 +[[image:image-20220602171217-1.png||height="538" width="800"]]
297 +
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"]]
302 +[[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
305 +2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
195 195  
196 -[[image:image-20220602161935-10.png]]
307 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
197 197  
198 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
309 +[[image:image-20220602161935-10.png||height="498" width="800"]]
199 199  
311 +
312 +3. See Uplink Command
313 +
314 +Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
315 +
200 200  example: AT+SENDB=01,02,8,05820802581ea0a5
201 201  
202 -[[image:image-20220602162157-11.png]]
318 +[[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"]]
321 +4. Check to see if TTN received the message
207 207  
208 -== Example Send & Get Messages via LoRaWAN in RPi ==
323 +[[image:image-20220602162331-12.png||height="420" width="800"]]
209 209  
210 -Connect the LA66 LoRa Shield to the RPI
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
327 +== Example:Send PC's CPU/RAM usage to TTN via python ==
215 215  
216 -[[image:image-20220602153146-3.png]]
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]]
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
332 +(% class="wikigeneratedid" id="HPreconditions:" %)
333 +**Preconditions:**
220 220  
221 -[[image:image-20220602154928-5.png]]
335 +1.LA66 USB LoRaWAN Adapter works fine
222 222  
223 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
337 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
224 224  
225 -example: AT+SENDB=01,02,8,05820802581ea0a5
339 +(% class="wikigeneratedid" id="HStepsforusage" %)
340 +**Steps for usage**
226 226  
227 -[[image:image-20220602160339-6.png]]
342 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
228 228  
229 -Check to see if TTN received the message
344 +2.Run the python script in PC and see the TTN
230 230  
231 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
346 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
232 232  
233 -=== Install Minicom ===
234 234  
235 -Enter the following command in the RPI terminal
236 236  
237 -apt update
350 +== Example Send & Get Messages via LoRaWAN in RPi ==
238 238  
239 -[[image:image-20220602143155-1.png]]
352 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
240 240  
241 -apt install minicom
354 +~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
242 242  
243 -[[image:image-20220602143744-2.png]]
356 +[[image:image-20220602171233-2.png||height="538" width="800"]]
244 244  
245 -=== Send PC's CPU/RAM usage to TTN via script. ===
246 246  
247 -==== Take python as an example: ====
359 +2. Install Minicom in RPi.
248 248  
249 -===== Preconditions: =====
361 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
250 250  
251 -1.LA66 USB LoRaWAN Adapter works fine
363 +(% class="mark" %)apt update
252 252  
253 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
365 +(% class="mark" %)apt install minicom
254 254  
255 -===== Steps for usage =====
256 256  
257 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
368 +Use minicom to connect to the RPI's terminal
258 258  
259 -2.Run the script and see the TTN
370 +[[image:image-20220602153146-3.png||height="439" width="500"]]
260 260  
261 -[[image:image-20220602115852-3.png]]
262 262  
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
263 263  
376 +[[image:image-20220602154928-5.png||height="436" width="500"]]
264 264  
378 +
379 +4. Send Uplink message
380 +
381 +Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
382 +
383 +example: AT+SENDB=01,02,8,05820802581ea0a5
384 +
385 +[[image:image-20220602160339-6.png||height="517" width="600"]]
386 +
387 +Check to see if TTN received the message
388 +
389 +[[image:image-20220602160627-7.png||height="369" width="800"]]
390 +
391 +
392 +
265 265  == Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
266 266  
267 267  
268 268  == Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
269 269  
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 +
270 270  
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