Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 87.1 >
edited by Edwin Chen
on 2022/07/11 09:10
To version < 65.1 >
edited by Edwin Chen
on 2022/07/02 23:30
>
Change comment: There is no comment for this version

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Content
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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 -
20 20  == Features ==
21 21  
22 -* Support LoRaWAN v1.0.4 protocol
23 -* Support peer-to-peer protocol
24 -* TCXO crystal to ensure RF performance on low temperature
25 -* SMD Antenna pad and i-pex antenna connector
26 -* Available in different frequency LoRaWAN frequency bands.
27 -* World-wide unique OTAA keys.
28 -* AT Command via UART-TTL interface
29 -* Firmware upgradable via UART interface
30 -* Ultra-long RF range
31 31  
32 32  == Specification ==
33 33  
34 -* CPU: 32-bit 48 MHz
35 -* Flash: 256KB
36 -* RAM: 64KB
37 -* Input Power Range: 1.8v ~~ 3.7v
38 -* Power Consumption: < 4uA.
39 -* Frequency Range: 150 MHz ~~ 960 MHz
40 -* Maximum Power +22 dBm constant RF output
41 -* High sensitivity: -148 dBm
42 -* Temperature:
43 -** Storage: -55 ~~ +125℃
44 -** Operating: -40 ~~ +85℃
45 -* Humidity:
46 -** Storage: 5 ~~ 95% (Non-Condensing)
47 -** Operating: 10 ~~ 95% (Non-Condensing)
48 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
49 -* LoRa Rx current: <9 mA
50 -* I/O Voltage: 3.3v
24 +[[image:image-20220517072526-1.png]]
51 51  
52 -== AT Command ==
26 +Input Power Range: 1.8v ~~ 3.7v
53 53  
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.
28 +Power Consumption: < 4uA.
55 55  
30 +Frequency Range: 150 MHz ~~ 960 MHz
56 56  
57 -== Dimension ==
32 +Maximum Power +22 dBm constant RF output
58 58  
59 -[[image:image-20220517072526-1.png]]
34 +High sensitivity: -148 dBm
60 60  
36 +Temperature:
61 61  
38 +* Storage: -55 ~~ +125℃
39 +* Operating: -40 ~~ +85℃
40 +
41 +Humidity:
42 +
43 +* Storage: 5 ~~ 95% (Non-Condensing)
44 +* Operating: 10 ~~ 95% (Non-Condensing)
45 +
46 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
47 +
48 +LoRa Rx current: <9 mA
49 +
50 +I/O Voltage: 3.3v
51 +
52 +
53 +== AT Command ==
54 +
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 +
57 +
62 62  == Pin Mapping ==
63 63  
64 64  [[image:image-20220523101537-1.png]]
... ... @@ -68,47 +68,25 @@
68 68  [[image:image-20220517072821-2.png]]
69 69  
70 70  
67 +== Part Number ==
71 71  
72 -= LA66 LoRaWAN Shield =
69 +Part Number: **LA66-XXX**
73 73  
74 -== Overview ==
71 +**XX**: The default frequency band
75 75  
76 -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.
73 +* **AS923**: LoRaWAN AS923 band
74 +* **AU915**: LoRaWAN AU915 band
75 +* **EU433**: LoRaWAN EU433 band
76 +* **EU868**: LoRaWAN EU868 band
77 +* **KR920**: LoRaWAN KR920 band
78 +* **US915**: LoRaWAN US915 band
79 +* **IN865**: LoRaWAN IN865 band
80 +* **CN470**: LoRaWAN CN470 band
77 77  
82 += LA66 LoRaWAN Shield =
78 78  
79 -== Features ==
84 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
80 80  
81 -* Arduino Shield base on LA66 LoRaWAN module
82 -* Support LoRaWAN v1.0.4 protocol
83 -* Support peer-to-peer protocol
84 -* TCXO crystal to ensure RF performance on low temperature
85 -* SMA connector
86 -* Available in different frequency LoRaWAN frequency bands.
87 -* World-wide unique OTAA keys.
88 -* AT Command via UART-TTL interface
89 -* Firmware upgradable via UART interface
90 -* Ultra-long RF range
91 -
92 -== Specification ==
93 -
94 -* CPU: 32-bit 48 MHz
95 -* Flash: 256KB
96 -* RAM: 64KB
97 -* Input Power Range: 1.8v ~~ 3.7v
98 -* Power Consumption: < 4uA.
99 -* Frequency Range: 150 MHz ~~ 960 MHz
100 -* Maximum Power +22 dBm constant RF output
101 -* High sensitivity: -148 dBm
102 -* Temperature:
103 -** Storage: -55 ~~ +125℃
104 -** Operating: -40 ~~ +85℃
105 -* Humidity:
106 -** Storage: 5 ~~ 95% (Non-Condensing)
107 -** Operating: 10 ~~ 95% (Non-Condensing)
108 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
109 -* LoRa Rx current: <9 mA
110 -* I/O Voltage: 3.3v
111 -
112 112  == Pin Mapping & LED ==
113 113  
114 114  == Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
... ... @@ -119,62 +119,58 @@
119 119  
120 120  == Upgrade Firmware of LA66 LoRaWAN Shield ==
121 121  
122 -=== Items needed for update ===
96 +=== what needs to be used ===
123 123  
124 -1. LA66 LoRaWAN Shield
125 -1. Arduino
126 -1. USB TO TTL Adapter
98 +1.LA66 LoRaWAN Shield that needs to be upgraded
127 127  
128 -[[image:image-20220602100052-2.png||height="385" width="600"]]
100 +2.Arduino
129 129  
102 +3.USB TO TTL
130 130  
131 -=== Connection ===
104 +[[image:image-20220602100052-2.png]]
132 132  
133 -[[image:image-20220602101311-3.png||height="276" width="600"]]
106 +=== Wiring Schematic ===
134 134  
135 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
136 -**GND  <-> GND
137 -TXD  <-> TXD
138 -RXD  <-> RXD**
108 +[[image:image-20220602101311-3.png]]
139 139  
140 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
110 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
141 141  
142 -Connect USB TTL Adapter to PC after connecting the wires
112 +GND  >>>>>>>>>>>>GND
143 143  
114 +TXD  >>>>>>>>>>>>TXD
144 144  
145 -[[image:image-20220602102240-4.png||height="304" width="600"]]
116 +RXD  >>>>>>>>>>>>RXD
146 146  
118 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
147 147  
148 -=== Upgrade steps ===
120 +Connect to the PC after connecting the wires
149 149  
150 -==== Switch SW1 to put in ISP position ====
122 +[[image:image-20220602102240-4.png]]
151 151  
152 -[[image:image-20220602102824-5.png||height="306" width="600"]]
124 +=== Upgrade steps ===
153 153  
126 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
154 154  
155 -==== Press the RST switch once ====
128 +[[image:image-20220602102824-5.png]]
156 156  
157 -[[image:image-20220602104701-12.png||height="285" width="600"]]
130 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
158 158  
132 +[[image:image-20220602104701-12.png]]
159 159  
160 -==== Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
134 +==== Open the upgrade application software ====
161 161  
162 -**~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/]]**
136 +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/]]
163 163  
164 164  [[image:image-20220602103227-6.png]]
165 165  
166 166  [[image:image-20220602103357-7.png]]
167 167  
142 +===== Select the COM port corresponding to USB TTL =====
168 168  
169 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
170 -**2. Select the COM port corresponding to USB TTL**
171 -
172 172  [[image:image-20220602103844-8.png]]
173 173  
146 +===== Select the bin file to burn =====
174 174  
175 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
176 -**3. Select the bin file to burn**
177 -
178 178  [[image:image-20220602104144-9.png]]
179 179  
180 180  [[image:image-20220602104251-10.png]]
... ... @@ -181,197 +181,114 @@
181 181  
182 182  [[image:image-20220602104402-11.png]]
183 183  
154 +===== Click to start the download =====
184 184  
185 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
186 -**4. Click to start the download**
187 -
188 188  [[image:image-20220602104923-13.png]]
189 189  
158 +===== The following figure appears to prove that the burning is in progress =====
190 190  
191 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
192 -**5. Check update process**
193 -
194 194  [[image:image-20220602104948-14.png]]
195 195  
162 +===== The following picture appears to prove that the burning is successful =====
196 196  
197 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
198 -**The following picture shows that the burning is successful**
199 -
200 200  [[image:image-20220602105251-15.png]]
201 201  
202 -
203 -
204 204  = LA66 USB LoRaWAN Adapter =
205 205  
206 -== Overview ==
168 +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.
207 207  
208 -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.
170 +Before use, please make sure that the computer has installed the CP2102 driver
209 209  
210 -
211 -== Features ==
212 -
213 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
214 -* Ultra-long RF range
215 -* Support LoRaWAN v1.0.4 protocol
216 -* Support peer-to-peer protocol
217 -* TCXO crystal to ensure RF performance on low temperature
218 -* Spring RF antenna
219 -* Available in different frequency LoRaWAN frequency bands.
220 -* World-wide unique OTAA keys.
221 -* AT Command via UART-TTL interface
222 -* Firmware upgradable via UART interface
223 -
224 -== Specification ==
225 -
226 -* CPU: 32-bit 48 MHz
227 -* Flash: 256KB
228 -* RAM: 64KB
229 -* Input Power Range: 5v
230 -* Frequency Range: 150 MHz ~~ 960 MHz
231 -* Maximum Power +22 dBm constant RF output
232 -* High sensitivity: -148 dBm
233 -* Temperature:
234 -** Storage: -55 ~~ +125℃
235 -** Operating: -40 ~~ +85℃
236 -* Humidity:
237 -** Storage: 5 ~~ 95% (Non-Condensing)
238 -** Operating: 10 ~~ 95% (Non-Condensing)
239 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
240 -* LoRa Rx current: <9 mA
241 -
242 242  == Pin Mapping & LED ==
243 243  
244 244  == Example Send & Get Messages via LoRaWAN in PC ==
245 245  
246 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
176 +Connect the LA66 LoRa Shield to the PC
247 247  
248 -~1. Connect the LA66 USB LoRaWAN adapter to PC
178 +[[image:image-20220602171217-1.png||height="615" width="915"]]
249 249  
250 -[[image:image-20220602171217-1.png||height="538" width="800"]]
251 -
252 252  Open the serial port tool
253 253  
254 254  [[image:image-20220602161617-8.png]]
255 255  
256 -[[image:image-20220602161718-9.png||height="457" width="800"]]
184 +[[image:image-20220602161718-9.png||height="529" width="927"]]
257 257  
186 +Press the reset switch RST on the LA66 LoRa Shield.
258 258  
259 -2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
188 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
260 260  
261 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
190 +[[image:image-20220602161935-10.png]]
262 262  
263 -[[image:image-20220602161935-10.png||height="498" width="800"]]
192 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
264 264  
265 -
266 -3. See Uplink Command
267 -
268 -Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
269 -
270 270  example: AT+SENDB=01,02,8,05820802581ea0a5
271 271  
272 -[[image:image-20220602162157-11.png||height="497" width="800"]]
196 +[[image:image-20220602162157-11.png]]
273 273  
198 +Check to see if TTN received the message
274 274  
275 -4. Check to see if TTN received the message
200 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
276 276  
277 -[[image:image-20220602162331-12.png||height="420" width="800"]]
202 +== Example Send & Get Messages via LoRaWAN in RPi ==
278 278  
204 +Connect the LA66 LoRa Shield to the RPI
279 279  
206 +[[image:image-20220602171233-2.png||height="592" width="881"]]
280 280  
281 -== Example:Send PC's CPU/RAM usage to TTN via python ==
208 +Log in to the RPI's terminal and connect to the serial port
282 282  
283 -(% class="wikigeneratedid" id="HUsepythonasanexampleFF1A" %)
284 -**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]]
210 +[[image:image-20220602153146-3.png]]
285 285  
286 -(% class="wikigeneratedid" id="HPreconditions:" %)
287 -**Preconditions:**
212 +Press the reset switch RST on the LA66 LoRa Shield.
213 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
288 288  
289 -1.LA66 USB LoRaWAN Adapter works fine
215 +[[image:image-20220602154928-5.png]]
290 290  
291 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
217 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
292 292  
293 -(% class="wikigeneratedid" id="HStepsforusage" %)
294 -**Steps for usage**
219 +example: AT+SENDB=01,02,8,05820802581ea0a5
295 295  
296 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
221 +[[image:image-20220602160339-6.png]]
297 297  
298 -2.Run the python script in PC and see the TTN
223 +Check to see if TTN received the message
299 299  
300 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
225 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
301 301  
227 +=== Install Minicom ===
302 302  
229 +Enter the following command in the RPI terminal
303 303  
304 -== Example Send & Get Messages via LoRaWAN in RPi ==
231 +apt update
305 305  
306 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
233 +[[image:image-20220602143155-1.png]]
307 307  
308 -~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
235 +apt install minicom
309 309  
310 -[[image:image-20220602171233-2.png||height="538" width="800"]]
237 +[[image:image-20220602143744-2.png]]
311 311  
239 +=== Send PC's CPU/RAM usage to TTN via script. ===
312 312  
313 -2. Install Minicom in RPi.
241 +==== Take python as an example： ====
314 314  
315 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
243 +===== Preconditions: =====
316 316  
317 -(% class="mark" %)apt update
245 +1.LA66 USB LoRaWAN Adapter works fine
318 318  
319 -(% class="mark" %)apt install minicom
247 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
320 320  
249 +===== Steps for usage =====
321 321  
322 -Use minicom to connect to the RPI's terminal
251 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
323 323  
324 -[[image:image-20220602153146-3.png||height="439" width="500"]]
253 +2.Run the script and see the TTN
325 325  
255 +[[image:image-20220602115852-3.png]]
326 326  
327 -3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
328 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
329 329  
330 -[[image:image-20220602154928-5.png||height="436" width="500"]]
331 331  
332 -
333 -4. Send Uplink message
334 -
335 -Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
336 -
337 -example: AT+SENDB=01,02,8,05820802581ea0a5
338 -
339 -[[image:image-20220602160339-6.png||height="517" width="600"]]
340 -
341 -Check to see if TTN received the message
342 -
343 -[[image:image-20220602160627-7.png||height="369" width="800"]]
344 -
345 -
346 -
347 347  == Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
348 348  
349 349  
350 350  == Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
351 351  
352 -
353 -
354 -= Order Info =
355 -
356 -Part Number:
357 -
358 -**LA66-XXX**, **LA66-LoRaWAN-Shield-XXX** or **LA66-USB-LoRaWAN-Adapter-XXX**
359 -
360 -**XXX**: The default frequency band
361 -
362 -* **AS923**: LoRaWAN AS923 band
363 -* **AU915**: LoRaWAN AU915 band
364 -* **EU433**: LoRaWAN EU433 band
365 -* **EU868**: LoRaWAN EU868 band
366 -* **KR920**: LoRaWAN KR920 band
367 -* **US915**: LoRaWAN US915 band
368 -* **IN865**: LoRaWAN IN865 band
369 -* **CN470**: LoRaWAN CN470 band
370 -* **PP**: Peer to Peer LoRa Protocol
371 -
372 -
373 -= Reference =
374 -
375 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
376 -
377 377  

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