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Version 147.1 by Xiaoling on 2022/08/17 08:42
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Xiaoling 134.2 1
Xiaoling 87.2 2
Xiaoling 87.13 3 **Table of Contents:**
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Edwin Chen 1.1 5 {{toc/}}
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Edwin Chen 6.1 8
Xiaoling 87.2 9
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Xiaoling 146.5 11 = 1.  LA66 USB LoRaWAN Adapter =
Xiaoling 87.2 12
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Xiaoling 146.5 14 == 1.1  Overview ==
Edwin Chen 88.2 15
Xiaoling 100.2 16
Edwin Chen 93.1 17 [[image:image-20220715001142-3.png||height="145" width="220"]]
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Xiaoling 100.3 19
Xiaoling 100.5 20 (((
Edwin Chen 91.1 21 (% 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.
Xiaoling 100.5 22 )))
Herong Lu 52.1 23
Xiaoling 100.5 24 (((
Xiaoling 101.4 25 (% 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.
Xiaoling 100.5 26 )))
Edwin Chen 73.1 27
Xiaoling 100.5 28 (((
Edwin Chen 90.1 29 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
Xiaoling 100.5 30 )))
Edwin Chen 90.1 31
Xiaoling 100.5 32 (((
Edwin Chen 90.1 33 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.
Xiaoling 100.5 34 )))
Edwin Chen 90.1 35
Xiaoling 100.5 36 (((
Edwin Chen 90.1 37 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
Xiaoling 100.5 38 )))
Edwin Chen 90.1 39
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Xiaoling 100.3 41
Xiaoling 146.5 42 == 1.2  Features ==
Edwin Chen 73.1 43
Xiaoling 137.6 44
Edwin Chen 73.1 45 * LoRaWAN USB adapter base on LA66 LoRaWAN module
46 * Ultra-long RF range
47 * Support LoRaWAN v1.0.4 protocol
48 * Support peer-to-peer protocol
49 * TCXO crystal to ensure RF performance on low temperature
50 * Spring RF antenna
51 * Available in different frequency LoRaWAN frequency bands.
52 * World-wide unique OTAA keys.
53 * AT Command via UART-TTL interface
54 * Firmware upgradable via UART interface
Xiaoling 93.3 55 * Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
Edwin Chen 73.1 56
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Xiaoling 137.6 58
Xiaoling 146.5 59
60 == 1.3  Specification ==
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Edwin Chen 73.1 63 * CPU: 32-bit 48 MHz
64 * Flash: 256KB
65 * RAM: 64KB
66 * Input Power Range: 5v
67 * Frequency Range: 150 MHz ~~ 960 MHz
68 * Maximum Power +22 dBm constant RF output
69 * High sensitivity: -148 dBm
70 * Temperature:
71 ** Storage: -55 ~~ +125℃
72 ** Operating: -40 ~~ +85℃
73 * Humidity:
74 ** Storage: 5 ~~ 95% (Non-Condensing)
75 ** Operating: 10 ~~ 95% (Non-Condensing)
76 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
77 * LoRa Rx current: <9 mA
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Edwin Chen 7.1 79
Xiaoling 146.5 80
81
82 == 1.4  Pin Mapping & LED ==
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Edwin Chen 143.1 84 [[image:image-20220813183239-3.png||height="526" width="662"]]
Edwin Chen 7.1 85
Xiaoling 87.3 86
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Xiaoling 146.5 88 == 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
Xiaoling 87.3 89
Xiaoling 146.5 90
Xiaoling 100.5 91 (((
Edwin Chen 78.2 92 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
Xiaoling 100.5 93 )))
Herong Lu 58.1 94
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Xiaoling 87.3 96 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
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Herong Lu 106.1 99 [[image:image-20220723100027-1.png]]
Edwin Chen 78.2 100
Xiaoling 87.3 101
Herong Lu 58.1 102 Open the serial port tool
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104 [[image:image-20220602161617-8.png]]
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Edwin Chen 78.2 106 [[image:image-20220602161718-9.png||height="457" width="800"]]
Herong Lu 58.1 107
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Xiaoling 87.3 110 (% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
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Edwin Chen 78.2 112 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
Herong Lu 58.1 113
Xiaoling 87.3 114
Edwin Chen 78.2 115 [[image:image-20220602161935-10.png||height="498" width="800"]]
Herong Lu 58.1 116
Edwin Chen 78.2 117
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Xiaoling 87.3 119 (% style="color:blue" %)**3. See Uplink Command**
Edwin Chen 78.2 120
Xiaoling 87.3 121 Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
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Herong Lu 58.1 123 example: AT+SENDB=01,02,8,05820802581ea0a5
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Edwin Chen 78.2 125 [[image:image-20220602162157-11.png||height="497" width="800"]]
Herong Lu 58.1 126
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Xiaoling 87.3 129 (% style="color:blue" %)**4. Check to see if TTN received the message**
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Edwin Chen 78.2 131 [[image:image-20220602162331-12.png||height="420" width="800"]]
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Xiaoling 146.5 135 == 1.6  Example: Send PC's CPU/RAM usage to TTN via python ==
Edwin Chen 81.1 136
Xiaoling 87.3 137
Edwin Chen 87.1 138 **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]]
Edwin Chen 81.1 139
Herong Lu 106.1 140 (**Raspberry Pi example: **[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py]])
Edwin Chen 81.1 141
Xiaoling 87.3 142 (% style="color:red" %)**Preconditions:**
Edwin Chen 81.1 143
Xiaoling 87.3 144 (% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
Edwin Chen 81.1 145
Xiaoling 87.3 146 (% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
Edwin Chen 81.1 147
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Xiaoling 87.3 150 (% style="color:blue" %)**Steps for usage:**
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152 (% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
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154 (% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
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Edwin Chen 81.1 156 [[image:image-20220602115852-3.png||height="450" width="1187"]]
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Xiaoling 146.5 160 == 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
Edwin Chen 11.1 161
Xiaoling 87.4 162
Edwin Chen 79.1 163 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
Edwin Chen 12.1 164
Edwin Chen 79.1 165
Xiaoling 87.5 166 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
Xiaoling 87.4 167
Herong Lu 106.1 168 [[image:image-20220723100439-2.png]]
Herong Lu 43.1 169
Herong Lu 52.1 170
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Xiaoling 87.4 172 (% style="color:blue" %)**2. Install Minicom in RPi.**
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Edwin Chen 79.1 174 (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
Herong Lu 52.1 175
Xiaoling 87.4 176 (% style="background-color:yellow" %)**apt update**
Herong Lu 52.1 177
Xiaoling 87.4 178 (% style="background-color:yellow" %)**apt install minicom**
Herong Lu 52.1 179
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Edwin Chen 79.1 181 Use minicom to connect to the RPI's terminal
Herong Lu 52.1 182
Edwin Chen 79.1 183 [[image:image-20220602153146-3.png||height="439" width="500"]]
Herong Lu 52.1 184
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Xiaoling 87.4 186
Xiaoling 87.11 187 (% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
Edwin Chen 8.1 188
Xiaoling 87.11 189 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
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Edwin Chen 79.1 192 [[image:image-20220602154928-5.png||height="436" width="500"]]
Herong Lu 46.1 193
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Xiaoling 87.4 196 (% style="color:blue" %)**4. Send Uplink message**
Herong Lu 46.1 197
Xiaoling 87.5 198 Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
Xiaoling 87.4 199
Edwin Chen 79.1 200 example: AT+SENDB=01,02,8,05820802581ea0a5
Herong Lu 46.1 201
Xiaoling 87.4 202
Edwin Chen 79.1 203 [[image:image-20220602160339-6.png||height="517" width="600"]]
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Xiaoling 87.4 205
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Edwin Chen 79.1 207 Check to see if TTN received the message
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209 [[image:image-20220602160627-7.png||height="369" width="800"]]
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Xiaoling 146.5 213 == 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
Edwin Chen 11.1 214
Xiaoling 134.2 215
Xiaoling 146.5 216 === 1.8.1  Hardware and Software Connection ===
Edwin Chen 13.1 217
Xiaoling 134.2 218
Xiaoling 146.5 219
Xiaoling 134.2 220 ==== (% style="color:blue" %)**Overview：**(%%) ====
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Xiaoling 134.9 223 (((
Edwin Chen 139.2 224 DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
Herong Lu 106.1 225
Edwin Chen 139.2 226 * Send real-time location information of mobile phone to LoRaWAN network.
227 * Check LoRaWAN network signal strengh.
228 * Manually send messages to LoRaWAN network.
Xiaoling 134.9 229 )))
Herong Lu 111.1 230
Herong Lu 106.1 231
Xiaoling 134.2 232
Xiaoling 146.5 233
Edwin Chen 139.2 234 ==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
Xiaoling 134.2 235
Edwin Chen 139.2 236 A USB to Type-C adapter is needed to connect to a Mobile phone.
Xiaoling 134.2 237
Edwin Chen 139.2 238 Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
Herong Lu 106.1 239
Edwin Chen 139.2 240 [[image:image-20220813174353-2.png||height="360" width="313"]]
Herong Lu 106.1 241
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Xiaoling 146.5 243
Edwin Chen 139.2 244 ==== (% style="color:blue" %)**Download and Install App:**(%%) ====
Xiaoling 134.2 245
Edwin Chen 139.2 246 [[(% id="cke_bm_895007S" style="display:none" %)** **(%%)**Download Link for Android apk **>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]].  (Android Version Only)
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248 [[image:image-20220813173738-1.png]]
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Xiaoling 146.5 251
Xiaoling 134.2 252 ==== (% style="color:blue" %)**Use of APP:**(%%) ====
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Herong Lu 110.1 254 Function and page introduction
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Edwin Chen 139.2 256 [[image:image-20220723113448-7.png||height="995" width="450"]]
Herong Lu 110.1 257
Edwin Chen 139.2 258 **Block Explain:**
Xiaoling 134.9 259
Edwin Chen 139.2 260 1.  Display LA66 USB LoRaWAN Module connection status
Herong Lu 110.1 261
Edwin Chen 139.2 262 2.  Check and reconnect
Herong Lu 110.1 263
Edwin Chen 139.2 264 3.  Turn send timestamps on or off
Herong Lu 110.1 265
Edwin Chen 139.2 266 4.  Display LoRaWan connection status
Herong Lu 110.1 267
Edwin Chen 139.2 268 5.  Check LoRaWan connection status
Herong Lu 110.1 269
Edwin Chen 139.2 270 6.  The RSSI value of the node when the ACK is received
Herong Lu 110.1 271
Edwin Chen 139.2 272 7.  Node's Signal Strength Icon
Herong Lu 110.1 273
Edwin Chen 139.2 274 8.  Configure Location Uplink Interval
Herong Lu 110.1 275
Edwin Chen 139.2 276 9.  AT command input box
Herong Lu 110.1 277
Edwin Chen 139.2 278 10.  Send Button:  Send input box info to LA66 USB Adapter
Herong Lu 110.1 279
Edwin Chen 139.2 280 11.  Output Log from LA66 USB adapter
Herong Lu 110.1 281
Edwin Chen 139.2 282 12.  clear log button
Herong Lu 110.1 283
Edwin Chen 139.2 284 13.  exit button
Herong Lu 110.1 285
Xiaoling 134.2 286
Herong Lu 106.1 287 LA66 USB LoRaWAN Module not connected
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Edwin Chen 139.2 289 [[image:image-20220723110520-5.png||height="677" width="508"]]
Herong Lu 106.1 290
Xiaoling 134.2 291
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Herong Lu 110.1 293 Connect LA66 USB LoRaWAN Module
Herong Lu 106.1 294
Edwin Chen 139.2 295 [[image:image-20220723110626-6.png||height="681" width="511"]]
Herong Lu 110.1 296
Xiaoling 134.2 297
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Xiaoling 146.5 299 === 1.8.2 Send data to TTNv3 and plot location info in Node-Red ===
Herong Lu 111.1 300
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Xiaoling 134.8 302 (% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
Xiaoling 134.2 303
Herong Lu 113.1 304 [[image:image-20220723134549-8.png]]
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Xiaoling 134.2 307
Xiaoling 134.8 308 (% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
Xiaoling 134.2 309
Edwin Chen 139.2 310 Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
Herong Lu 117.1 311
Edwin Chen 139.2 312 For the usage of Node-RED, please refer to: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]]
Herong Lu 113.1 313
Edwin Chen 139.2 314 After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
Herong Lu 117.1 315
Edwin Chen 139.2 316
317 Example output in NodeRed is as below:
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Herong Lu 117.1 319 [[image:image-20220723144339-1.png]]
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Xiaoling 134.2 321
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Xiaoling 146.5 323 == 1.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
Edwin Chen 73.1 324
Xiaoling 134.2 325
Herong Lu 134.1 326 The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
Edwin Chen 73.1 327
Herong Lu 119.1 328 Just use the yellow jumper cap to short the BOOT corner and the RX corner, and then press the RESET button (without the jumper cap, you can directly short the BOOT corner and the RX corner with a wire to achieve the same effect)
Edwin Chen 73.1 329
Herong Lu 119.1 330 [[image:image-20220723150132-2.png]]
Edwin Chen 73.1 331
Herong Lu 119.1 332
Xiaoling 134.2 333
Xiaoling 146.5 334 = 2.  FAQ =
Edwin Chen 73.1 335
Xiaoling 87.4 336
Xiaoling 146.5 337 == 2.1  How to Compile Source Code for LA66? ==
Xiaoling 137.2 338
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Xiaoling 146.4 340 Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Module.Compile and Upload Code to ASR6601 Platform.WebHome]]
Xiaoling 137.2 341
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Xiaoling 146.5 344 = 3.  Order Info =
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Xiaoling 146.5 347 **Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
Xiaoling 87.4 348
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Xiaoling 87.5 350 (% style="color:blue" %)**XXX**(%%): The default frequency band
Edwin Chen 86.1 351
Xiaoling 87.5 352 * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
353 * (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
354 * (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
355 * (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
356 * (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
357 * (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
358 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
359 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
360 * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
Edwin Chen 73.1 361
Xiaoling 134.12 362
Xiaoling 87.4 363
Xiaoling 146.5 364
365 = 4.  Reference =
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368 * Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]