Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 86.1 >
edited by Edwin Chen
on 2022/07/10 22:08
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]]
... ... @@ -68,48 +68,25 @@
68 68  [[image:image-20220517072821-2.png]]
69 69  
70 70  
71 -
67 +== Part Number ==
72 72  
73 -= LA66 LoRaWAN Shield =
69 +Part Number: **LA66-XXX**
74 74  
75 -== Overview ==
71 +**XX**: The default frequency band
76 76  
77 -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
78 78  
82 += LA66 LoRaWAN Shield =
79 79  
80 -== Features ==
84 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
81 81  
82 -* Arduino Shield base on LA66 LoRaWAN module
83 -* Support LoRaWAN v1.0.4 protocol
84 -* Support peer-to-peer protocol
85 -* TCXO crystal to ensure RF performance on low temperature
86 -* SMA connector
87 -* Available in different frequency LoRaWAN frequency bands.
88 -* World-wide unique OTAA keys.
89 -* AT Command via UART-TTL interface
90 -* Firmware upgradable via UART interface
91 -* Ultra-long RF range
92 -
93 -== Specification ==
94 -
95 -* CPU: 32-bit 48 MHz
96 -* Flash: 256KB
97 -* RAM: 64KB
98 -* Input Power Range: 1.8v ~~ 3.7v
99 -* Power Consumption: < 4uA.
100 -* Frequency Range: 150 MHz ~~ 960 MHz
101 -* Maximum Power +22 dBm constant RF output
102 -* High sensitivity: -148 dBm
103 -* Temperature:
104 -** Storage: -55 ~~ +125℃
105 -** Operating: -40 ~~ +85℃
106 -* Humidity:
107 -** Storage: 5 ~~ 95% (Non-Condensing)
108 -** Operating: 10 ~~ 95% (Non-Condensing)
109 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
110 -* LoRa Rx current: <9 mA
111 -* I/O Voltage: 3.3v
112 -
113 113  == Pin Mapping & LED ==
114 114  
115 115  == Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
... ... @@ -120,62 +120,58 @@
120 120  
121 121  == Upgrade Firmware of LA66 LoRaWAN Shield ==
122 122  
123 -=== Items needed for update ===
96 +=== what needs to be used ===
124 124  
125 -1. LA66 LoRaWAN Shield
126 -1. Arduino
127 -1. USB TO TTL Adapter
98 +1.LA66 LoRaWAN Shield that needs to be upgraded
128 128  
129 -[[image:image-20220602100052-2.png||height="385" width="600"]]
100 +2.Arduino
130 130  
102 +3.USB TO TTL
131 131  
132 -=== Connection ===
104 +[[image:image-20220602100052-2.png]]
133 133  
134 -[[image:image-20220602101311-3.png||height="276" width="600"]]
106 +=== Wiring Schematic ===
135 135  
136 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
137 -**GND  <-> GND
138 -TXD  <-> TXD
139 -RXD  <-> RXD**
108 +[[image:image-20220602101311-3.png]]
140 140  
141 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
110 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
142 142  
143 -Connect USB TTL Adapter to PC after connecting the wires
112 +GND  >>>>>>>>>>>>GND
144 144  
114 +TXD  >>>>>>>>>>>>TXD
145 145  
146 -[[image:image-20220602102240-4.png||height="304" width="600"]]
116 +RXD  >>>>>>>>>>>>RXD
147 147  
118 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
148 148  
149 -=== Upgrade steps ===
120 +Connect to the PC after connecting the wires
150 150  
151 -==== Switch SW1 to put in ISP position ====
122 +[[image:image-20220602102240-4.png]]
152 152  
153 -[[image:image-20220602102824-5.png||height="306" width="600"]]
124 +=== Upgrade steps ===
154 154  
126 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
155 155  
156 -==== Press the RST switch once ====
128 +[[image:image-20220602102824-5.png]]
157 157  
158 -[[image:image-20220602104701-12.png||height="285" width="600"]]
130 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
159 159  
132 +[[image:image-20220602104701-12.png]]
160 160  
161 -==== Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
134 +==== Open the upgrade application software ====
162 162  
163 -**~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/]]
164 164  
165 165  [[image:image-20220602103227-6.png]]
166 166  
167 167  [[image:image-20220602103357-7.png]]
168 168  
142 +===== Select the COM port corresponding to USB TTL =====
169 169  
170 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
171 -**2. Select the COM port corresponding to USB TTL**
172 -
173 173  [[image:image-20220602103844-8.png]]
174 174  
146 +===== Select the bin file to burn =====
175 175  
176 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
177 -**3. Select the bin file to burn**
178 -
179 179  [[image:image-20220602104144-9.png]]
180 180  
181 181  [[image:image-20220602104251-10.png]]
... ... @@ -182,199 +182,114 @@
182 182  
183 183  [[image:image-20220602104402-11.png]]
184 184  
154 +===== Click to start the download =====
185 185  
186 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
187 -**4. Click to start the download**
188 -
189 189  [[image:image-20220602104923-13.png]]
190 190  
158 +===== The following figure appears to prove that the burning is in progress =====
191 191  
192 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
193 -**5. Check update process**
194 -
195 195  [[image:image-20220602104948-14.png]]
196 196  
162 +===== The following picture appears to prove that the burning is successful =====
197 197  
198 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
199 -**The following picture shows that the burning is successful**
200 -
201 201  [[image:image-20220602105251-15.png]]
202 202  
203 -
204 -
205 -
206 206  = LA66 USB LoRaWAN Adapter =
207 207  
208 -== 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.
209 209  
210 -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
211 211  
212 -
213 -== Features ==
214 -
215 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
216 -* Ultra-long RF range
217 -* Support LoRaWAN v1.0.4 protocol
218 -* Support peer-to-peer protocol
219 -* TCXO crystal to ensure RF performance on low temperature
220 -* Spring RF antenna
221 -* Available in different frequency LoRaWAN frequency bands.
222 -* World-wide unique OTAA keys.
223 -* AT Command via UART-TTL interface
224 -* Firmware upgradable via UART interface
225 -
226 -== Specification ==
227 -
228 -* CPU: 32-bit 48 MHz
229 -* Flash: 256KB
230 -* RAM: 64KB
231 -* Input Power Range: 5v
232 -* Frequency Range: 150 MHz ~~ 960 MHz
233 -* Maximum Power +22 dBm constant RF output
234 -* High sensitivity: -148 dBm
235 -* Temperature:
236 -** Storage: -55 ~~ +125℃
237 -** Operating: -40 ~~ +85℃
238 -* Humidity:
239 -** Storage: 5 ~~ 95% (Non-Condensing)
240 -** Operating: 10 ~~ 95% (Non-Condensing)
241 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
242 -* LoRa Rx current: <9 mA
243 -
244 244  == Pin Mapping & LED ==
245 245  
246 246  == Example Send & Get Messages via LoRaWAN in PC ==
247 247  
248 -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
249 249  
250 -~1. Connect the LA66 USB LoRaWAN adapter to PC
178 +[[image:image-20220602171217-1.png||height="615" width="915"]]
251 251  
252 -[[image:image-20220602171217-1.png||height="538" width="800"]]
253 -
254 254  Open the serial port tool
255 255  
256 256  [[image:image-20220602161617-8.png]]
257 257  
258 -[[image:image-20220602161718-9.png||height="457" width="800"]]
184 +[[image:image-20220602161718-9.png||height="529" width="927"]]
259 259  
186 +Press the reset switch RST on the LA66 LoRa Shield.
260 260  
261 -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
262 262  
263 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
190 +[[image:image-20220602161935-10.png]]
264 264  
265 -[[image:image-20220602161935-10.png||height="498" width="800"]]
192 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
266 266  
267 -
268 -3. See Uplink Command
269 -
270 -Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
271 -
272 272  example: AT+SENDB=01,02,8,05820802581ea0a5
273 273  
274 -[[image:image-20220602162157-11.png||height="497" width="800"]]
196 +[[image:image-20220602162157-11.png]]
275 275  
198 +Check to see if TTN received the message
276 276  
277 -4. Check to see if TTN received the message
200 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
278 278  
279 -[[image:image-20220602162331-12.png||height="420" width="800"]]
202 +== Example Send & Get Messages via LoRaWAN in RPi ==
280 280  
204 +Connect the LA66 LoRa Shield to the RPI
281 281  
206 +[[image:image-20220602171233-2.png||height="592" width="881"]]
282 282  
283 -== 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
284 284  
285 -(% class="wikigeneratedid" id="HUsepythonasanexampleFF1A" %)
286 -**Use python as an example：**
210 +[[image:image-20220602153146-3.png]]
287 287  
288 -(% class="wikigeneratedid" id="HPreconditions:" %)
289 -**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
290 290  
291 -1.LA66 USB LoRaWAN Adapter works fine
215 +[[image:image-20220602154928-5.png]]
292 292  
293 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
217 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
294 294  
295 -(% class="wikigeneratedid" id="HStepsforusage" %)
296 -**Steps for usage**
219 +example: AT+SENDB=01,02,8,05820802581ea0a5
297 297  
298 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
221 +[[image:image-20220602160339-6.png]]
299 299  
300 -2.Run the python script in PC and see the TTN
223 +Check to see if TTN received the message
301 301  
302 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
225 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
303 303  
227 +=== Install Minicom ===
304 304  
229 +Enter the following command in the RPI terminal
305 305  
306 -== Example Send & Get Messages via LoRaWAN in RPi ==
231 +apt update
307 307  
308 -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]]
309 309  
310 -~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
235 +apt install minicom
311 311  
312 -[[image:image-20220602171233-2.png||height="538" width="800"]]
237 +[[image:image-20220602143744-2.png]]
313 313  
239 +=== Send PC's CPU/RAM usage to TTN via script. ===
314 314  
315 -2. Install Minicom in RPi.
241 +==== Take python as an example： ====
316 316  
317 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
243 +===== Preconditions: =====
318 318  
319 -(% class="mark" %)apt update
245 +1.LA66 USB LoRaWAN Adapter works fine
320 320  
321 -(% class="mark" %)apt install minicom
247 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
322 322  
249 +===== Steps for usage =====
323 323  
324 -Use minicom to connect to the RPI's terminal
251 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
325 325  
326 -[[image:image-20220602153146-3.png||height="439" width="500"]]
253 +2.Run the script and see the TTN
327 327  
255 +[[image:image-20220602115852-3.png]]
328 328  
329 -3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
330 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
331 331  
332 -[[image:image-20220602154928-5.png||height="436" width="500"]]
333 333  
334 -
335 -4. Send Uplink message
336 -
337 -Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
338 -
339 -example: AT+SENDB=01,02,8,05820802581ea0a5
340 -
341 -[[image:image-20220602160339-6.png||height="517" width="600"]]
342 -
343 -Check to see if TTN received the message
344 -
345 -[[image:image-20220602160627-7.png||height="369" width="800"]]
346 -
347 -
348 -
349 349  == Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
350 350  
351 351  
352 352  == Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
353 353  
354 -
355 -
356 -= Order Info =
357 -
358 -Part Number:
359 -
360 -**LA66-XXX**, **LA66-LoRaWAN-Shield-XXX** or **LA66-USB-LoRaWAN-Adapter-XXX**
361 -
362 -**XXX**: The default frequency band
363 -
364 -* **AS923**: LoRaWAN AS923 band
365 -* **AU915**: LoRaWAN AU915 band
366 -* **EU433**: LoRaWAN EU433 band
367 -* **EU868**: LoRaWAN EU868 band
368 -* **KR920**: LoRaWAN KR920 band
369 -* **US915**: LoRaWAN US915 band
370 -* **IN865**: LoRaWAN IN865 band
371 -* **CN470**: LoRaWAN CN470 band
372 -* **PP**: Peer to Peer LoRa Protocol
373 -
374 -
375 -
376 -= Reference =
377 -
378 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
379 -
380 380  

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