Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 65.1 >
edited by Edwin Chen
on 2022/07/02 23:30
To version < 100.2 >
edited by Xiaoling
on 2022/07/19 11:34
>
Change comment: There is no comment for this version

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1 -XWiki.Edwin
1 +XWiki.Xiaoling
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1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
1 +
2 +
3 +**Table of Contents:**
4 +
2 2  {{toc/}}
3 -{{/box}}
4 4  
5 -= LA66 LoRaWAN Module =
6 6  
7 -== What is LA66 LoRaWAN Module ==
8 8  
9 += 1.  LA66 LoRaWAN Module =
10 +
11 +
12 +== 1.1  What is LA66 LoRaWAN Module ==
13 +
14 +
15 +
16 +(((
17 +(((
18 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
19 +)))
20 +
21 +(((
22 +
23 +)))
24 +
25 +(((
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.
27 +)))
28 +)))
10 10  
30 +(((
31 +(((
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.
33 +)))
34 +)))
12 12  
36 +(((
37 +(((
13 13  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
39 +)))
14 14  
41 +(((
15 15  Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
43 +)))
44 +)))
16 16  
46 +(((
47 +(((
17 17  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 +)))
50 +)))
18 18  
19 -== Features ==
20 20  
21 21  
22 -== Specification ==
23 23  
24 -[[image:image-20220517072526-1.png]]
55 +== 1.2  Features ==
25 25  
26 -Input Power Range: 1.8v ~~ 3.7v
57 +* Support LoRaWAN v1.0.4 protocol
58 +* Support peer-to-peer protocol
59 +* TCXO crystal to ensure RF performance on low temperature
60 +* SMD Antenna pad and i-pex antenna connector
61 +* Available in different frequency LoRaWAN frequency bands.
62 +* World-wide unique OTAA keys.
63 +* AT Command via UART-TTL interface
64 +* Firmware upgradable via UART interface
65 +* Ultra-long RF range
27 27  
28 -Power Consumption: < 4uA.
29 29  
30 -Frequency Range: 150 MHz ~~ 960 MHz
31 31  
32 -Maximum Power +22 dBm constant RF output
69 +== 1.3  Specification ==
33 33  
34 -High sensitivity: -148 dBm
71 +* CPU: 32-bit 48 MHz
72 +* Flash: 256KB
73 +* RAM: 64KB
74 +* Input Power Range: 1.8v ~~ 3.7v
75 +* Power Consumption: < 4uA.
76 +* Frequency Range: 150 MHz ~~ 960 MHz
77 +* Maximum Power +22 dBm constant RF output
78 +* High sensitivity: -148 dBm
79 +* Temperature:
80 +** Storage: -55 ~~ +125℃
81 +** Operating: -40 ~~ +85℃
82 +* Humidity:
83 +** Storage: 5 ~~ 95% (Non-Condensing)
84 +** Operating: 10 ~~ 95% (Non-Condensing)
85 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
86 +* LoRa Rx current: <9 mA
87 +* I/O Voltage: 3.3v
35 35  
36 -Temperature:
37 37  
38 -* Storage: -55 ~~ +125℃
39 -* Operating: -40 ~~ +85℃
40 40  
41 -Humidity:
91 +== 1.4  AT Command ==
42 42  
43 -* Storage: 5 ~~ 95% (Non-Condensing)
44 -* Operating: 10 ~~ 95% (Non-Condensing)
45 45  
46 -LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
94 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
47 47  
48 -LoRa Rx current: <9 mA
49 49  
50 -I/O Voltage: 3.3v
51 51  
98 +== 1.5  Dimension ==
52 52  
53 -== AT Command ==
100 +[[image:image-20220718094750-3.png]]
54 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 56  
57 57  
58 -== Pin Mapping ==
59 59  
60 -[[image:image-20220523101537-1.png]]
105 +== 1.6  Pin Mapping ==
61 61  
62 -== Land Pattern ==
63 63  
108 +[[image:image-20220719093156-1.png]]
109 +
110 +
111 +
112 +== 1.7  Land Pattern ==
113 +
64 64  [[image:image-20220517072821-2.png]]
65 65  
66 66  
67 -== Part Number ==
68 68  
69 -Part Number: **LA66-XXX**
118 += 2.  LA66 LoRaWAN Shield =
70 70  
71 -**XX**: The default frequency band
72 72  
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
121 +== 2.1  Overview ==
81 81  
82 -= LA66 LoRaWAN Shield =
83 83  
84 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
85 85  
86 -== Pin Mapping & LED ==
125 +(((
126 +[[image:image-20220715000826-2.png||height="145" width="220"]]
127 +)))
87 87  
88 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
129 +(((
130 +
131 +)))
89 89  
90 -== Example: Join TTN network and send an uplink message, get downlink message. ==
133 +(((
134 +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.
135 +)))
91 91  
92 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
137 +(((
138 +(((
139 +(% 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.
140 +)))
141 +)))
93 93  
94 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
143 +(((
144 +(((
145 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
146 +)))
147 +)))
95 95  
96 -=== what needs to be used ===
149 +(((
150 +(((
151 +Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
152 +)))
153 +)))
97 97  
98 -1.LA66 LoRaWAN Shield that needs to be upgraded
155 +(((
156 +(((
157 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
158 +)))
159 +)))
99 99  
100 -2.Arduino
101 101  
102 -3.USB TO TTL
103 103  
104 -[[image:image-20220602100052-2.png]]
105 105  
106 -=== Wiring Schematic ===
164 +== 2.2  Features ==
107 107  
108 -[[image:image-20220602101311-3.png]]
166 +* Arduino Shield base on LA66 LoRaWAN module
167 +* Support LoRaWAN v1.0.4 protocol
168 +* Support peer-to-peer protocol
169 +* TCXO crystal to ensure RF performance on low temperature
170 +* SMA connector
171 +* Available in different frequency LoRaWAN frequency bands.
172 +* World-wide unique OTAA keys.
173 +* AT Command via UART-TTL interface
174 +* Firmware upgradable via UART interface
175 +* Ultra-long RF range
109 109  
110 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
111 111  
112 -GND  >>>>>>>>>>>>GND
113 113  
114 -TXD  >>>>>>>>>>>>TXD
115 115  
116 -RXD  >>>>>>>>>>>>RXD
180 +== 2.3  Specification ==
117 117  
118 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
182 +* CPU: 32-bit 48 MHz
183 +* Flash: 256KB
184 +* RAM: 64KB
185 +* Input Power Range: 1.8v ~~ 3.7v
186 +* Power Consumption: < 4uA.
187 +* Frequency Range: 150 MHz ~~ 960 MHz
188 +* Maximum Power +22 dBm constant RF output
189 +* High sensitivity: -148 dBm
190 +* Temperature:
191 +** Storage: -55 ~~ +125℃
192 +** Operating: -40 ~~ +85℃
193 +* Humidity:
194 +** Storage: 5 ~~ 95% (Non-Condensing)
195 +** Operating: 10 ~~ 95% (Non-Condensing)
196 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
197 +* LoRa Rx current: <9 mA
198 +* I/O Voltage: 3.3v
119 119  
120 -Connect to the PC after connecting the wires
121 121  
122 -[[image:image-20220602102240-4.png]]
123 123  
124 -=== Upgrade steps ===
125 125  
126 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
203 +== 2.4  Pin Mapping & LED ==
127 127  
128 -[[image:image-20220602102824-5.png]]
129 129  
130 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
131 131  
132 -[[image:image-20220602104701-12.png]]
207 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
133 133  
134 -==== Open the upgrade application software ====
135 135  
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/]]
137 137  
211 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
212 +
213 +
214 +
215 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
216 +
217 +
218 +
219 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
220 +
221 +
222 +=== 2.8.1  Items needed for update ===
223 +
224 +1. LA66 LoRaWAN Shield
225 +1. Arduino
226 +1. USB TO TTL Adapter
227 +
228 +[[image:image-20220602100052-2.png||height="385" width="600"]]
229 +
230 +
231 +=== 2.8.2  Connection ===
232 +
233 +
234 +[[image:image-20220602101311-3.png||height="276" width="600"]]
235 +
236 +
237 +(((
238 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
239 +)))
240 +
241 +(((
242 +(% style="background-color:yellow" %)**GND  <-> GND
243 +TXD  <->  TXD
244 +RXD  <->  RXD**
245 +)))
246 +
247 +
248 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
249 +
250 +Connect USB TTL Adapter to PC after connecting the wires
251 +
252 +
253 +[[image:image-20220602102240-4.png||height="304" width="600"]]
254 +
255 +
256 +=== 2.8.3  Upgrade steps ===
257 +
258 +
259 +==== 1.  Switch SW1 to put in ISP position ====
260 +
261 +
262 +[[image:image-20220602102824-5.png||height="306" width="600"]]
263 +
264 +
265 +
266 +==== 2.  Press the RST switch once ====
267 +
268 +
269 +[[image:image-20220602104701-12.png||height="285" width="600"]]
270 +
271 +
272 +
273 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
274 +
275 +
276 +(((
277 +(% 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/]]**
278 +)))
279 +
280 +
138 138  [[image:image-20220602103227-6.png]]
139 139  
283 +
140 140  [[image:image-20220602103357-7.png]]
141 141  
142 -===== Select the COM port corresponding to USB TTL =====
143 143  
287 +
288 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
289 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
290 +
291 +
144 144  [[image:image-20220602103844-8.png]]
145 145  
146 -===== Select the bin file to burn =====
147 147  
295 +
296 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
297 +(% style="color:blue" %)**3. Select the bin file to burn**
298 +
299 +
148 148  [[image:image-20220602104144-9.png]]
149 149  
302 +
150 150  [[image:image-20220602104251-10.png]]
151 151  
305 +
152 152  [[image:image-20220602104402-11.png]]
153 153  
154 -===== Click to start the download =====
155 155  
309 +
310 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
311 +(% style="color:blue" %)**4. Click to start the download**
312 +
156 156  [[image:image-20220602104923-13.png]]
157 157  
158 -===== The following figure appears to prove that the burning is in progress =====
159 159  
316 +
317 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
318 +(% style="color:blue" %)**5. Check update process**
319 +
320 +
160 160  [[image:image-20220602104948-14.png]]
161 161  
162 -===== The following picture appears to prove that the burning is successful =====
163 163  
324 +
325 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
326 +(% style="color:blue" %)**The following picture shows that the burning is successful**
327 +
164 164  [[image:image-20220602105251-15.png]]
165 165  
166 -= LA66 USB LoRaWAN Adapter =
167 167  
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.
169 169  
170 -Before use, please make sure that the computer has installed the CP2102 driver
332 += 3.  LA66 USB LoRaWAN Adapter =
171 171  
172 -== Pin Mapping & LED ==
173 173  
174 -== Example Send & Get Messages via LoRaWAN in PC ==
335 +== 3.1  Overview ==
175 175  
176 -Connect the LA66 LoRa Shield to the PC
337 +[[image:image-20220715001142-3.png||height="145" width="220"]]
177 177  
178 -[[image:image-20220602171217-1.png||height="615" width="915"]]
339 +(% style="color:blue" %)**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.
179 179  
341 +(% 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.
342 +
343 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
344 +
345 +Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
346 +
347 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
348 +
349 +
350 +== 3.2  Features ==
351 +
352 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
353 +* Ultra-long RF range
354 +* Support LoRaWAN v1.0.4 protocol
355 +* Support peer-to-peer protocol
356 +* TCXO crystal to ensure RF performance on low temperature
357 +* Spring RF antenna
358 +* Available in different frequency LoRaWAN frequency bands.
359 +* World-wide unique OTAA keys.
360 +* AT Command via UART-TTL interface
361 +* Firmware upgradable via UART interface
362 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
363 +
364 +
365 +
366 +== 3.3  Specification ==
367 +
368 +* CPU: 32-bit 48 MHz
369 +* Flash: 256KB
370 +* RAM: 64KB
371 +* Input Power Range: 5v
372 +* Frequency Range: 150 MHz ~~ 960 MHz
373 +* Maximum Power +22 dBm constant RF output
374 +* High sensitivity: -148 dBm
375 +* Temperature:
376 +** Storage: -55 ~~ +125℃
377 +** Operating: -40 ~~ +85℃
378 +* Humidity:
379 +** Storage: 5 ~~ 95% (Non-Condensing)
380 +** Operating: 10 ~~ 95% (Non-Condensing)
381 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
382 +* LoRa Rx current: <9 mA
383 +
384 +
385 +
386 +== 3.4  Pin Mapping & LED ==
387 +
388 +
389 +
390 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
391 +
392 +
393 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
394 +
395 +
396 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
397 +
398 +
399 +[[image:image-20220602171217-1.png||height="538" width="800"]]
400 +
401 +
180 180  Open the serial port tool
181 181  
182 182  [[image:image-20220602161617-8.png]]
183 183  
184 -[[image:image-20220602161718-9.png||height="529" width="927"]]
406 +[[image:image-20220602161718-9.png||height="457" width="800"]]
185 185  
186 -Press the reset switch RST on the LA66 LoRa Shield.
187 187  
188 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
189 189  
190 -[[image:image-20220602161935-10.png]]
410 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
191 191  
192 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
412 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
193 193  
414 +
415 +[[image:image-20220602161935-10.png||height="498" width="800"]]
416 +
417 +
418 +
419 +(% style="color:blue" %)**3. See Uplink Command**
420 +
421 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
422 +
194 194  example: AT+SENDB=01,02,8,05820802581ea0a5
195 195  
196 -[[image:image-20220602162157-11.png]]
425 +[[image:image-20220602162157-11.png||height="497" width="800"]]
197 197  
198 -Check to see if TTN received the message
199 199  
200 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
201 201  
202 -== Example Send & Get Messages via LoRaWAN in RPi ==
429 +(% style="color:blue" %)**4. Check to see if TTN received the message**
203 203  
204 -Connect the LA66 LoRa Shield to the RPI
431 +[[image:image-20220602162331-12.png||height="420" width="800"]]
205 205  
206 -[[image:image-20220602171233-2.png||height="592" width="881"]]
207 207  
208 -Log in to the RPI's terminal and connect to the serial port
209 209  
210 -[[image:image-20220602153146-3.png]]
435 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
211 211  
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
214 214  
215 -[[image:image-20220602154928-5.png]]
438 +**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]]
216 216  
217 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
218 218  
219 -example: AT+SENDB=01,02,8,05820802581ea0a5
441 +(% style="color:red" %)**Preconditions:**
220 220  
221 -[[image:image-20220602160339-6.png]]
443 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
222 222  
223 -Check to see if TTN received the message
445 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
224 224  
225 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
226 226  
227 -=== Install Minicom ===
228 228  
229 -Enter the following command in the RPI terminal
449 +(% style="color:blue" %)**Steps for usage:**
230 230  
231 -apt update
451 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
232 232  
233 -[[image:image-20220602143155-1.png]]
453 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
234 234  
235 -apt install minicom
455 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
236 236  
237 -[[image:image-20220602143744-2.png]]
238 238  
239 -=== Send PC's CPU/RAM usage to TTN via script. ===
240 240  
241 -==== Take python as an example： ====
459 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
242 242  
243 -===== Preconditions: =====
244 244  
245 -1.LA66 USB LoRaWAN Adapter works fine
462 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
246 246  
247 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
248 248  
249 -===== Steps for usage =====
465 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
250 250  
251 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
467 +[[image:image-20220602171233-2.png||height="538" width="800"]]
252 252  
253 -2.Run the script and see the TTN
254 254  
255 -[[image:image-20220602115852-3.png]]
256 256  
471 +(% style="color:blue" %)**2. Install Minicom in RPi.**
257 257  
473 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
258 258  
259 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
475 + (% style="background-color:yellow" %)**apt update**
260 260  
477 + (% style="background-color:yellow" %)**apt install minicom**
261 261  
262 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
263 263  
264 -
480 +Use minicom to connect to the RPI's terminal
481 +
482 +[[image:image-20220602153146-3.png||height="439" width="500"]]
483 +
484 +
485 +
486 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
487 +
488 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
489 +
490 +
491 +[[image:image-20220602154928-5.png||height="436" width="500"]]
492 +
493 +
494 +
495 +(% style="color:blue" %)**4. Send Uplink message**
496 +
497 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
498 +
499 +example: AT+SENDB=01,02,8,05820802581ea0a5
500 +
501 +
502 +[[image:image-20220602160339-6.png||height="517" width="600"]]
503 +
504 +
505 +
506 +Check to see if TTN received the message
507 +
508 +[[image:image-20220602160627-7.png||height="369" width="800"]]
509 +
510 +
511 +
512 +== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
513 +
514 +
515 +
516 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
517 +
518 +
519 +
520 +
521 += 4.  Order Info =
522 +
523 +
524 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
525 +
526 +
527 +(% style="color:blue" %)**XXX**(%%): The default frequency band
528 +
529 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
530 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
531 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
532 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
533 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
534 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
535 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
536 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
537 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
538 +
539 += 5.  Reference =
540 +
541 +* 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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