<
From version < 66.1 >
edited by Edwin Chen
on 2022/07/02 23:32
To version < 87.7 >
edited by Xiaoling
on 2022/07/13 10:00
>
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 +
2 2  {{toc/}}
3 -{{/box}}
4 4  
5 -= LA66 LoRaWAN Module =
6 6  
7 -== What is LA66 LoRaWAN Module ==
8 8  
7 += 1.  LA66 LoRaWAN Module =
8 +
9 +
10 +== 1.1  What is LA66 LoRaWAN Module ==
11 +
12 +
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.
... ... @@ -16,11 +16,26 @@
16 16  
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 -== Features ==
20 20  
24 +== 1.2  Features ==
21 21  
22 -== Specification ==
26 +* Support LoRaWAN v1.0.4 protocol
27 +* Support peer-to-peer protocol
28 +* TCXO crystal to ensure RF performance on low temperature
29 +* SMD Antenna pad and i-pex antenna connector
30 +* Available in different frequency LoRaWAN frequency bands.
31 +* World-wide unique OTAA keys.
32 +* AT Command via UART-TTL interface
33 +* Firmware upgradable via UART interface
34 +* Ultra-long RF range
23 23  
36 +
37 +
38 +== 1.3  Specification ==
39 +
40 +* CPU: 32-bit 48 MHz
41 +* Flash: 256KB
42 +* RAM: 64KB
24 24  * Input Power Range: 1.8v ~~ 3.7v
25 25  * Power Consumption: < 4uA.
26 26  * Frequency Range: 150 MHz ~~ 960 MHz
... ... @@ -37,220 +37,387 @@
37 37  * I/O Voltage: 3.3v
38 38  
39 39  
40 -== AT Command ==
41 41  
60 +== 1.4  AT Command ==
61 +
42 42  AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
43 43  
44 44  
45 -== Dimension ==
65 +== 1.5  Dimension ==
46 46  
47 47  [[image:image-20220517072526-1.png]]
48 48  
49 49  
50 -== Pin Mapping ==
51 51  
71 +== 1.6  Pin Mapping ==
72 +
73 +
52 52  [[image:image-20220523101537-1.png]]
53 53  
54 -== Land Pattern ==
55 55  
77 +
78 +== 1.7  Land Pattern ==
79 +
56 56  [[image:image-20220517072821-2.png]]
57 57  
58 58  
59 -== Part Number ==
60 60  
61 -Part Number: **LA66-XXX**
84 += 2.  LA66 LoRaWAN Shield =
62 62  
63 -**XX**: The default frequency band
64 64  
65 -* **AS923**: LoRaWAN AS923 band
66 -* **AU915**: LoRaWAN AU915 band
67 -* **EU433**: LoRaWAN EU433 band
68 -* **EU868**: LoRaWAN EU868 band
69 -* **KR920**: LoRaWAN KR920 band
70 -* **US915**: LoRaWAN US915 band
71 -* **IN865**: LoRaWAN IN865 band
72 -* **CN470**: LoRaWAN CN470 band
87 +== 2.1  Overview ==
73 73  
74 -= 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.
75 75  
76 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
77 77  
78 -== Pin Mapping & LED ==
92 +== 2.2  Features ==
79 79  
80 -== 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
81 81  
82 -== Example: Join TTN network and send an uplink message, get downlink message. ==
105 +== 2.3  Specification ==
83 83  
84 -== 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
85 85  
86 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
125 +== 2.4  Pin Mapping & LED ==
87 87  
88 -=== what needs to be used ===
89 89  
90 -1.LA66 LoRaWAN Shield that needs to be upgraded
91 91  
92 -2.Arduino
129 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
93 93  
94 -3.USB TO TTL
95 95  
96 -[[image:image-20220602100052-2.png]]
97 97  
98 -=== Wiring Schematic ===
133 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
99 99  
100 -[[image:image-20220602101311-3.png]]
101 101  
102 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
103 103  
104 -GND  >>>>>>>>>>>>GND
137 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
105 105  
106 -TXD  >>>>>>>>>>>>TXD
107 107  
108 -RXD  >>>>>>>>>>>>RXD
109 109  
110 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
141 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
111 111  
112 -Connect to the PC after connecting the wires
113 113  
114 -[[image:image-20220602102240-4.png]]
144 +=== 2.8.1  Items needed for update ===
115 115  
116 -=== Upgrade steps ===
146 +1. LA66 LoRaWAN Shield
147 +1. Arduino
148 +1. USB TO TTL Adapter
117 117  
118 -==== 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"]]
119 119  
120 -[[image:image-20220602102824-5.png]]
121 121  
122 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
153 +=== 2.8.2  Connection ===
123 123  
124 -[[image:image-20220602104701-12.png]]
125 125  
126 -==== Open the upgrade application software ====
156 +[[image:image-20220602101311-3.png||height="276" width="600"]]
127 127  
128 -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/]]
129 129  
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 +
130 130  [[image:image-20220602103227-6.png]]
131 131  
197 +
132 132  [[image:image-20220602103357-7.png]]
133 133  
134 -===== Select the COM port corresponding to USB TTL =====
135 135  
201 +
202 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
203 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
204 +
205 +
136 136  [[image:image-20220602103844-8.png]]
137 137  
138 -===== Select the bin file to burn =====
139 139  
209 +
210 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
211 +(% style="color:blue" %)**3. Select the bin file to burn**
212 +
213 +
140 140  [[image:image-20220602104144-9.png]]
141 141  
216 +
142 142  [[image:image-20220602104251-10.png]]
143 143  
219 +
144 144  [[image:image-20220602104402-11.png]]
145 145  
146 -===== Click to start the download =====
147 147  
223 +
224 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
225 +(% style="color:blue" %)**4. Click to start the download**
226 +
148 148  [[image:image-20220602104923-13.png]]
149 149  
150 -===== The following figure appears to prove that the burning is in progress =====
151 151  
230 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
231 +(% style="color:blue" %)**5. Check update process**
232 +
233 +
152 152  [[image:image-20220602104948-14.png]]
153 153  
154 -===== The following picture appears to prove that the burning is successful =====
155 155  
237 +
238 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
239 +(% style="color:blue" %)**The following picture shows that the burning is successful**
240 +
156 156  [[image:image-20220602105251-15.png]]
157 157  
158 -= LA66 USB LoRaWAN Adapter =
159 159  
160 -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.
161 161  
162 -Before use, please make sure that the computer has installed the CP2102 driver
245 += 3.  LA66 USB LoRaWAN Adapter =
163 163  
164 -== Pin Mapping & LED ==
165 165  
166 -== Example Send & Get Messages via LoRaWAN in PC ==
248 +== 3.1  Overview ==
167 167  
168 -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.
169 169  
170 -[[image:image-20220602171217-1.png||height="615" width="915"]]
171 171  
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 +
172 172  Open the serial port tool
173 173  
174 174  [[image:image-20220602161617-8.png]]
175 175  
176 -[[image:image-20220602161718-9.png||height="529" width="927"]]
304 +[[image:image-20220602161718-9.png||height="457" width="800"]]
177 177  
178 -Press the reset switch RST on the LA66 LoRa Shield.
179 179  
180 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
181 181  
182 -[[image:image-20220602161935-10.png]]
308 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
183 183  
184 -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
185 185  
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 +
186 186  example: AT+SENDB=01,02,8,05820802581ea0a5
187 187  
188 -[[image:image-20220602162157-11.png]]
323 +[[image:image-20220602162157-11.png||height="497" width="800"]]
189 189  
190 -Check to see if TTN received the message
191 191  
192 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
193 193  
194 -== Example Send & Get Messages via LoRaWAN in RPi ==
327 +(% style="color:blue" %)**4. Check to see if TTN received the message**
195 195  
196 -Connect the LA66 LoRa Shield to the RPI
329 +[[image:image-20220602162331-12.png||height="420" width="800"]]
197 197  
198 -[[image:image-20220602171233-2.png||height="592" width="881"]]
199 199  
200 -Log in to the RPI's terminal and connect to the serial port
201 201  
202 -[[image:image-20220602153146-3.png]]
333 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
203 203  
204 -Press the reset switch RST on the LA66 LoRa Shield.
205 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
206 206  
207 -[[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]]
208 208  
209 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
210 210  
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 +(% style="color:blue" %)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 +
211 211  example: AT+SENDB=01,02,8,05820802581ea0a5
212 212  
213 -[[image:image-20220602160339-6.png]]
214 214  
398 +[[image:image-20220602160339-6.png||height="517" width="600"]]
399 +
400 +
401 +
215 215  Check to see if TTN received the message
216 216  
217 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
404 +[[image:image-20220602160627-7.png||height="369" width="800"]]
218 218  
219 -=== Install Minicom ===
220 220  
221 -Enter the following command in the RPI terminal
222 222  
223 -apt update
408 +== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
224 224  
225 -[[image:image-20220602143155-1.png]]
226 226  
227 -apt install minicom
228 228  
229 -[[image:image-20220602143744-2.png]]
412 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
230 230  
231 -=== Send PC's CPU/RAM usage to TTN via script. ===
232 232  
233 -==== Take python as an example: ====
234 234  
235 -===== Preconditions: =====
236 236  
237 -1.LA66 USB LoRaWAN Adapter works fine
417 += 4.  Order Info =
238 238  
239 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
240 240  
241 -===== Steps for usage =====
420 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
242 242  
243 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
244 244  
245 -2.Run the script and see the TTN
423 +(% style="color:blue" %)**XXX**(%%): The default frequency band
246 246  
247 -[[image:image-20220602115852-3.png]]
425 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
426 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
427 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
428 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
429 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
430 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
431 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
432 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
433 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
248 248  
249 249  
250 250  
251 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
252 252  
438 += 5.  Reference =
253 253  
254 -== 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]]
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