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Last modified by Xiaoling on 2023/09/19 09:20
From version 162.2
edited by Xiaoling
on 2023/06/05 15:32
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To version 93.2
edited by Xiaoling
on 2022/07/15 14:35
Change comment: There is no comment for this version

Summary

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Title
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1 -LA66 LoRaWAN Module User Manual
1 +LA66 LoRaWAN Module
Content
... ... @@ -8,31 +8,109 @@
8 8  
9 9  = 1.  LA66 LoRaWAN Module =
10 10  
11 +
11 11  == 1.1  What is LA66 LoRaWAN Module ==
12 12  
13 13  
14 14  (((
16 +[[image:image-20220715000242-1.png||height="110" width="132"]]
17 +
18 +(% 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.
19 +)))
20 +
15 15  (((
16 -[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
22 +(% 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 17  )))
18 18  
19 19  (((
20 -
26 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
21 21  )))
22 22  
23 23  (((
24 -(% 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.
30 +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.
25 25  )))
32 +
33 +(((
34 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
26 26  )))
27 27  
37 +
38 +== 1.2  Features ==
39 +
40 +* Support LoRaWAN v1.0.4 protocol
41 +* Support peer-to-peer protocol
42 +* TCXO crystal to ensure RF performance on low temperature
43 +* SMD Antenna pad and i-pex antenna connector
44 +* Available in different frequency LoRaWAN frequency bands.
45 +* World-wide unique OTAA keys.
46 +* AT Command via UART-TTL interface
47 +* Firmware upgradable via UART interface
48 +* Ultra-long RF range
49 +
50 +
51 +
52 +== 1.3  Specification ==
53 +
54 +* CPU: 32-bit 48 MHz
55 +* Flash: 256KB
56 +* RAM: 64KB
57 +* Input Power Range: 1.8v ~~ 3.7v
58 +* Power Consumption: < 4uA.
59 +* Frequency Range: 150 MHz ~~ 960 MHz
60 +* Maximum Power +22 dBm constant RF output
61 +* High sensitivity: -148 dBm
62 +* Temperature:
63 +** Storage: -55 ~~ +125℃
64 +** Operating: -40 ~~ +85℃
65 +* Humidity:
66 +** Storage: 5 ~~ 95% (Non-Condensing)
67 +** Operating: 10 ~~ 95% (Non-Condensing)
68 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
69 +* LoRa Rx current: <9 mA
70 +* I/O Voltage: 3.3v
71 +
72 +
73 +
74 +== 1.4  AT Command ==
75 +
76 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
77 +
78 +
79 +== 1.5  Dimension ==
80 +
81 +[[image:image-20220517072526-1.png]]
82 +
83 +
84 +
85 +== 1.6  Pin Mapping ==
86 +
87 +
88 +[[image:image-20220523101537-1.png]]
89 +
90 +
91 +
92 +== 1.7  Land Pattern ==
93 +
94 +[[image:image-20220517072821-2.png]]
95 +
96 +
97 +
98 += 2.  LA66 LoRaWAN Shield =
99 +
100 +
101 +== 2.1  Overview ==
102 +
103 +
104 +[[image:image-20220715000826-2.png||height="386" width="449"]]
105 +
106 +
107 +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.
108 +
28 28  (((
29 -(((
30 -(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 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.
110 +(% 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.
31 31  )))
32 -)))
33 33  
34 34  (((
35 -(((
36 36  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 37  )))
38 38  
... ... @@ -39,22 +39,19 @@
39 39  (((
40 40  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.
41 41  )))
42 -)))
43 43  
44 44  (((
45 -(((
46 46  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
47 47  )))
48 -)))
49 49  
50 50  
51 -== 1.2  Features ==
126 +== 2.2  Features ==
52 52  
53 -
54 -* Support LoRaWAN v1.0.3 protocol
128 +* Arduino Shield base on LA66 LoRaWAN module
129 +* Support LoRaWAN v1.0.4 protocol
55 55  * Support peer-to-peer protocol
56 56  * TCXO crystal to ensure RF performance on low temperature
57 -* SMD Antenna pad and i-pex antenna connector
132 +* SMA connector
58 58  * Available in different frequency LoRaWAN frequency bands.
59 59  * World-wide unique OTAA keys.
60 60  * AT Command via UART-TTL interface
... ... @@ -61,9 +61,10 @@
61 61  * Firmware upgradable via UART interface
62 62  * Ultra-long RF range
63 63  
64 -== 1.3  Specification ==
65 65  
66 66  
141 +== 2.3  Specification ==
142 +
67 67  * CPU: 32-bit 48 MHz
68 68  * Flash: 256KB
69 69  * RAM: 64KB
... ... @@ -82,172 +82,345 @@
82 82  * LoRa Rx current: <9 mA
83 83  * I/O Voltage: 3.3v
84 84  
85 -== 1.4  AT Command ==
86 86  
87 87  
88 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in[[ AT Command documents>>https://www.dropbox.com/sh/wtq43za8sykpgta/AABAEE02uEAsRU-JV7bzEhMba?dl=0]].
163 +== 2.4  Pin Mapping & LED ==
89 89  
90 90  
91 -== 1.5  Dimension ==
92 92  
167 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
93 93  
94 -[[image:image-20220718094750-3.png]]
95 95  
96 96  
97 -== 1.6  Pin Mapping ==
171 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
98 98  
99 -[[image:image-20220720111850-1.png]]
100 100  
101 101  
102 -== 1.7  Land Pattern ==
175 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
103 103  
104 104  
105 -[[image:image-20220517072821-2.png]]
106 106  
179 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
107 107  
108 -= 2.  FAQ =
109 109  
110 -== 2.1  Where to find examples of how to use LA66? ==
182 +=== 2.8.1  Items needed for update ===
111 111  
184 +1. LA66 LoRaWAN Shield
185 +1. Arduino
186 +1. USB TO TTL Adapter
112 112  
113 -(% class="wikigeneratedid" %)
114 -Below products are made by LA66. User can use their examples as reference:
188 +[[image:image-20220602100052-2.png||height="385" width="600"]]
115 115  
116 -* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
117 -* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
118 118  
119 -== 2.2  How to Compile Source Code for LA66? ==
191 +=== 2.8.2  Connection ===
120 120  
121 121  
122 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
194 +[[image:image-20220602101311-3.png||height="276" width="600"]]
123 123  
124 124  
125 -== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
197 +(((
198 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
199 +)))
126 126  
201 +(((
202 +(% style="background-color:yellow" %)**GND  <-> GND
203 +TXD  <->  TXD
204 +RXD  <->  RXD**
205 +)))
127 127  
128 -Yes, this is possible, user can refer[[ the source code from ASR >>https://github.com/asrlora/asr_lora_6601/tree/master/projects/ASR6601SE-EVAL/examples/lora]]to get examples for how to its I/O Interfaces.
129 129  
208 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
130 130  
131 -== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
210 +Connect USB TTL Adapter to PC after connecting the wires
132 132  
133 133  
134 -Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.Instruction for LA66 Peer to Peer firmware.WebHome]]
213 +[[image:image-20220602102240-4.png||height="304" width="600"]]
135 135  
136 136  
137 -== 2.5 How can i use J-LInk to debug LA66? ==
216 +=== 2.8.3  Upgrade steps ===
138 138  
139 139  
140 -(% style="color:#037691" %)**The steps are as follows:**
219 +==== 1.  Switch SW1 to put in ISP position ====
141 141  
142 142  
143 -(% style="color:blue" %)**1. Install J-Link software from**
222 +[[image:image-20220602102824-5.png||height="306" width="600"]]
144 144  
145 -[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]]
146 146  
147 147  
148 -(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
226 +==== 2.  Press the RST switch once ====
149 149  
150 150  
151 -[[image:image-20230605151850-1.png]]
229 +[[image:image-20220602104701-12.png||height="285" width="600"]]
152 152  
153 153  
154 -[[image:image-20230605151850-2.png]]
155 155  
233 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
156 156  
157 -(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
158 158  
159 -**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
236 +(((
237 +(% 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/]]**
238 +)))
160 160  
161 -**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
162 162  
163 -**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)**
241 +[[image:image-20220602103227-6.png]]
164 164  
165 -**LA66 GND  < ~-~- > JLINK GND (Pin 8)**
166 166  
167 -[[image:image-20230605151850-3.png||height="629" width="1182"]]
244 +[[image:image-20220602103357-7.png]]
168 168  
169 -(% style="display:none" %) (%%)
170 170  
171 -(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\**
172 172  
173 -(% style="display:none" %) [[image:image-20230605151850-4.png]]
248 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
249 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
174 174  
175 175  
176 -(% style="color:blue" %)**Add ASR6601 256KB Flash to Flash Download**
252 +[[image:image-20220602103844-8.png]]
177 177  
178 -[[image:image-20230605152412-12.png]]
179 179  
180 180  
181 -[[image:image-20230605151851-6.png]]
256 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
257 +(% style="color:blue" %)**3. Select the bin file to burn**
182 182  
183 183  
184 -(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
260 +[[image:image-20220602104144-9.png]]
185 185  
186 -[[image:image-20230605151851-7.png]]
187 187  
188 -[[image:image-20230605151851-8.png]]
263 +[[image:image-20220602104251-10.png]]
189 189  
190 190  
191 -(% style="color:red" %)Note**: After debug, user should change the Flash address back to 0x0800D000, and upload the OTA bootloader to LA66. Otherwise, the compiled program doesn’t support OTA update.**
266 +[[image:image-20220602104402-11.png]]
192 192  
193 193  
194 -(% style="color:blue" %)**6. Comment the low power function in main.c.**
195 195  
270 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
271 +(% style="color:blue" %)**4. Click to start the download**
196 196  
197 -[[image:image-20230605151851-9.png]]
273 +[[image:image-20220602104923-13.png]]
198 198  
199 199  
200 -(% style="color:blue" %)**Click Debug mode to debug.**
201 201  
202 -[[image:image-20230605151851-10.png||height="293" width="1275"]]
277 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
278 +(% style="color:blue" %)**5. Check update process**
203 203  
204 204  
205 -[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %)
281 +[[image:image-20220602104948-14.png]]
206 206  
207 -(% style="display:none" %) (%%)
208 208  
209 -= 3.  Order Info =
210 210  
285 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
286 +(% style="color:blue" %)**The following picture shows that the burning is successful**
211 211  
212 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
288 +[[image:image-20220602105251-15.png]]
213 213  
214 -(% style="color:blue" %)**XXX**(%%): The default frequency band
215 215  
216 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
217 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
218 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
219 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
220 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
221 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
222 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
223 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
224 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
225 225  
226 -= 4.  FCC Statement =
292 += 3.  LA66 USB LoRaWAN Adapter =
227 227  
228 228  
229 -(% style="color:red" %)**FCC Caution:**
295 +== 3.1  Overview ==
230 230  
231 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
297 +[[image:image-20220715001142-3.png||height="145" width="220"]]
232 232  
233 -This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
299 +(% 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.
234 234  
301 +(% 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.
235 235  
236 -(% style="color:red" %)**IMPORTANT NOTE: **
303 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
237 237  
238 -(% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
305 +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.
239 239  
240 -—Reorient or relocate the receiving antenna.
307 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
241 241  
242 -—Increase the separation between the equipment and receiver.
243 243  
244 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
310 +== 3.2  Features ==
245 245  
246 -—Consult the dealer or an experienced radio/TV technician for help.
312 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
313 +* Ultra-long RF range
314 +* Support LoRaWAN v1.0.4 protocol
315 +* Support peer-to-peer protocol
316 +* TCXO crystal to ensure RF performance on low temperature
317 +* Spring RF antenna
318 +* Available in different frequency LoRaWAN frequency bands.
319 +* World-wide unique OTAA keys.
320 +* AT Command via UART-TTL interface
321 +* Firmware upgradable via UART interface
247 247  
248 248  
249 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
250 250  
251 -This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
325 +== 3.3  Specification ==
252 252  
327 +* CPU: 32-bit 48 MHz
328 +* Flash: 256KB
329 +* RAM: 64KB
330 +* Input Power Range: 5v
331 +* Frequency Range: 150 MHz ~~ 960 MHz
332 +* Maximum Power +22 dBm constant RF output
333 +* High sensitivity: -148 dBm
334 +* Temperature:
335 +** Storage: -55 ~~ +125℃
336 +** Operating: -40 ~~ +85℃
337 +* Humidity:
338 +** Storage: 5 ~~ 95% (Non-Condensing)
339 +** Operating: 10 ~~ 95% (Non-Condensing)
340 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
341 +* LoRa Rx current: <9 mA
342 +
343 +
344 +
345 +== 3.4  Pin Mapping & LED ==
346 +
347 +
348 +
349 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
350 +
351 +
352 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
353 +
354 +
355 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
356 +
357 +
358 +[[image:image-20220602171217-1.png||height="538" width="800"]]
359 +
360 +
361 +Open the serial port tool
362 +
363 +[[image:image-20220602161617-8.png]]
364 +
365 +[[image:image-20220602161718-9.png||height="457" width="800"]]
366 +
367 +
368 +
369 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
370 +
371 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
372 +
373 +
374 +[[image:image-20220602161935-10.png||height="498" width="800"]]
375 +
376 +
377 +
378 +(% style="color:blue" %)**3. See Uplink Command**
379 +
380 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
381 +
382 +example: AT+SENDB=01,02,8,05820802581ea0a5
383 +
384 +[[image:image-20220602162157-11.png||height="497" width="800"]]
385 +
386 +
387 +
388 +(% style="color:blue" %)**4. Check to see if TTN received the message**
389 +
390 +[[image:image-20220602162331-12.png||height="420" width="800"]]
391 +
392 +
393 +
394 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
395 +
396 +
397 +**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]]
398 +
399 +
400 +(% style="color:red" %)**Preconditions:**
401 +
402 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
403 +
404 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
405 +
406 +
407 +
408 +(% style="color:blue" %)**Steps for usage:**
409 +
410 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
411 +
412 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
413 +
414 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
415 +
416 +
417 +
418 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
419 +
420 +
421 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
422 +
423 +
424 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
425 +
426 +[[image:image-20220602171233-2.png||height="538" width="800"]]
427 +
428 +
429 +
430 +(% style="color:blue" %)**2. Install Minicom in RPi.**
431 +
432 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
433 +
434 + (% style="background-color:yellow" %)**apt update**
435 +
436 + (% style="background-color:yellow" %)**apt install minicom**
437 +
438 +
439 +Use minicom to connect to the RPI's terminal
440 +
441 +[[image:image-20220602153146-3.png||height="439" width="500"]]
442 +
443 +
444 +
445 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
446 +
447 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
448 +
449 +
450 +[[image:image-20220602154928-5.png||height="436" width="500"]]
451 +
452 +
453 +
454 +(% style="color:blue" %)**4. Send Uplink message**
455 +
456 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
457 +
458 +example: AT+SENDB=01,02,8,05820802581ea0a5
459 +
460 +
461 +[[image:image-20220602160339-6.png||height="517" width="600"]]
462 +
463 +
464 +
465 +Check to see if TTN received the message
466 +
467 +[[image:image-20220602160627-7.png||height="369" width="800"]]
468 +
469 +
470 +
471 +== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
472 +
473 +
474 +
475 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
476 +
477 +
478 +
479 +
480 += 4.  Order Info =
481 +
482 +
483 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
484 +
485 +
486 +(% style="color:blue" %)**XXX**(%%): The default frequency band
487 +
488 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
489 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
490 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
491 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
492 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
493 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
494 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
495 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
496 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
497 +
498 += 5.  Reference =
499 +
500 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
501 +
253 253  
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