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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 146.5 58 == 1.3  Specification ==
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Edwin Chen 73.1 61 * CPU: 32-bit 48 MHz
62 * Flash: 256KB
63 * RAM: 64KB
64 * Input Power Range: 5v
65 * Frequency Range: 150 MHz ~~ 960 MHz
66 * Maximum Power +22 dBm constant RF output
67 * High sensitivity: -148 dBm
68 * Temperature:
69 ** Storage: -55 ~~ +125℃
70 ** Operating: -40 ~~ +85℃
71 * Humidity:
72 ** Storage: 5 ~~ 95% (Non-Condensing)
73 ** Operating: 10 ~~ 95% (Non-Condensing)
74 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
75 * LoRa Rx current: <9 mA
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Edwin Chen 7.1 77
Xiaoling 146.5 78 == 1.4  Pin Mapping & LED ==
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Edwin Chen 143.1 80 [[image:image-20220813183239-3.png||height="526" width="662"]]
Edwin Chen 7.1 81
Xiaoling 87.3 82
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Xiaoling 146.5 84 == 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
Xiaoling 87.3 85
Xiaoling 146.5 86
Xiaoling 100.5 87 (((
Edwin Chen 78.2 88 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
Xiaoling 100.5 89 )))
Herong Lu 58.1 90
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Xiaoling 87.3 92 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
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Herong Lu 106.1 95 [[image:image-20220723100027-1.png]]
Edwin Chen 78.2 96
Xiaoling 87.3 97
Herong Lu 58.1 98 Open the serial port tool
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100 [[image:image-20220602161617-8.png]]
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Edwin Chen 78.2 102 [[image:image-20220602161718-9.png||height="457" width="800"]]
Herong Lu 58.1 103
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Xiaoling 87.3 106 (% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
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Edwin Chen 78.2 108 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
Herong Lu 58.1 109
Xiaoling 87.3 110
Edwin Chen 78.2 111 [[image:image-20220602161935-10.png||height="498" width="800"]]
Herong Lu 58.1 112
Edwin Chen 78.2 113
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Xiaoling 87.3 115 (% style="color:blue" %)**3. See Uplink Command**
Edwin Chen 78.2 116
Xiaoling 87.3 117 Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
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Herong Lu 58.1 119 example: AT+SENDB=01,02,8,05820802581ea0a5
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Edwin Chen 78.2 121 [[image:image-20220602162157-11.png||height="497" width="800"]]
Herong Lu 58.1 122
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Xiaoling 87.3 125 (% style="color:blue" %)**4. Check to see if TTN received the message**
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Edwin Chen 78.2 127
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Xiaoling 149.2 129 [[image:image-20220817093644-1.png]]
Edwin Chen 78.2 130
Xiaoling 149.2 131
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Xiaoling 146.5 133 == 1.6  Example: Send PC's CPU/RAM usage to TTN via python ==
Edwin Chen 81.1 134
Xiaoling 87.3 135
Edwin Chen 87.1 136 **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 81.1 137
Herong Lu 106.1 138 (**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 81.1 139
Xiaoling 87.3 140 (% style="color:red" %)**Preconditions:**
Edwin Chen 81.1 141
Xiaoling 87.3 142 (% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
Edwin Chen 81.1 143
Xiaoling 87.3 144 (% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
Edwin Chen 81.1 145
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Xiaoling 87.3 148 (% style="color:blue" %)**Steps for usage:**
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150 (% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
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152 (% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
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Edwin Chen 81.1 154 [[image:image-20220602115852-3.png||height="450" width="1187"]]
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Xiaoling 146.5 158 == 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
Edwin Chen 11.1 159
Xiaoling 87.4 160
Edwin Chen 79.1 161 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
Edwin Chen 12.1 162
Edwin Chen 79.1 163
Xiaoling 87.5 164 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
Xiaoling 87.4 165
Herong Lu 106.1 166 [[image:image-20220723100439-2.png]]
Herong Lu 43.1 167
Herong Lu 52.1 168
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Xiaoling 87.4 170 (% style="color:blue" %)**2. Install Minicom in RPi.**
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Edwin Chen 79.1 172 (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
Herong Lu 52.1 173
Xiaoling 87.4 174 (% style="background-color:yellow" %)**apt update**
Herong Lu 52.1 175
Xiaoling 87.4 176 (% style="background-color:yellow" %)**apt install minicom**
Herong Lu 52.1 177
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Edwin Chen 79.1 179 Use minicom to connect to the RPI's terminal
Herong Lu 52.1 180
Edwin Chen 79.1 181 [[image:image-20220602153146-3.png||height="439" width="500"]]
Herong Lu 52.1 182
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Xiaoling 87.4 184
Xiaoling 87.11 185 (% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
Edwin Chen 8.1 186
Xiaoling 87.11 187 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
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Edwin Chen 79.1 190 [[image:image-20220602154928-5.png||height="436" width="500"]]
Herong Lu 46.1 191
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Xiaoling 87.4 194 (% style="color:blue" %)**4. Send Uplink message**
Herong Lu 46.1 195
Xiaoling 87.5 196 Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
Xiaoling 87.4 197
Edwin Chen 79.1 198 example: AT+SENDB=01,02,8,05820802581ea0a5
Herong Lu 46.1 199
Xiaoling 87.4 200
Edwin Chen 79.1 201 [[image:image-20220602160339-6.png||height="517" width="600"]]
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Xiaoling 87.4 203
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Edwin Chen 79.1 205 Check to see if TTN received the message
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207 [[image:image-20220602160627-7.png||height="369" width="800"]]
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Xiaoling 146.5 211 == 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
Edwin Chen 11.1 212
Xiaoling 134.2 213
Xiaoling 146.5 214 === 1.8.1  Hardware and Software Connection ===
Edwin Chen 13.1 215
Xiaoling 134.2 216
Xiaoling 146.5 217
Xiaoling 134.2 218 ==== (% style="color:blue" %)**Overview:**(%%) ====
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Xiaoling 134.9 221 (((
Edwin Chen 139.2 222 DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
Herong Lu 106.1 223
Edwin Chen 139.2 224 * Send real-time location information of mobile phone to LoRaWAN network.
225 * Check LoRaWAN network signal strengh.
226 * Manually send messages to LoRaWAN network.
Xiaoling 134.9 227 )))
Herong Lu 111.1 228
Herong Lu 106.1 229
Xiaoling 134.2 230
Xiaoling 146.5 231
Edwin Chen 139.2 232 ==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
Xiaoling 134.2 233
Edwin Chen 139.2 234 A USB to Type-C adapter is needed to connect to a Mobile phone.
Xiaoling 134.2 235
Edwin Chen 139.2 236 Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
Herong Lu 106.1 237
Edwin Chen 139.2 238 [[image:image-20220813174353-2.png||height="360" width="313"]]
Herong Lu 106.1 239
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Xiaoling 146.5 241
Edwin Chen 139.2 242 ==== (% style="color:blue" %)**Download and Install App:**(%%) ====
Xiaoling 134.2 243
Edwin Chen 139.2 244 [[(% 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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246 [[image:image-20220813173738-1.png]]
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Xiaoling 146.5 249
Xiaoling 134.2 250 ==== (% style="color:blue" %)**Use of APP:**(%%) ====
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Herong Lu 110.1 252 Function and page introduction
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Edwin Chen 139.2 254 [[image:image-20220723113448-7.png||height="995" width="450"]]
Herong Lu 110.1 255
Edwin Chen 139.2 256 **Block Explain:**
Xiaoling 134.9 257
Edwin Chen 139.2 258 1.  Display LA66 USB LoRaWAN Module connection status
Herong Lu 110.1 259
Edwin Chen 139.2 260 2.  Check and reconnect
Herong Lu 110.1 261
Edwin Chen 139.2 262 3.  Turn send timestamps on or off
Herong Lu 110.1 263
Edwin Chen 139.2 264 4.  Display LoRaWan connection status
Herong Lu 110.1 265
Edwin Chen 139.2 266 5.  Check LoRaWan connection status
Herong Lu 110.1 267
Edwin Chen 139.2 268 6.  The RSSI value of the node when the ACK is received
Herong Lu 110.1 269
Edwin Chen 139.2 270 7.  Node's Signal Strength Icon
Herong Lu 110.1 271
Edwin Chen 139.2 272 8.  Configure Location Uplink Interval
Herong Lu 110.1 273
Edwin Chen 139.2 274 9.  AT command input box
Herong Lu 110.1 275
Edwin Chen 139.2 276 10.  Send Button:  Send input box info to LA66 USB Adapter
Herong Lu 110.1 277
Edwin Chen 139.2 278 11.  Output Log from LA66 USB adapter
Herong Lu 110.1 279
Edwin Chen 139.2 280 12.  clear log button
Herong Lu 110.1 281
Edwin Chen 139.2 282 13.  exit button
Herong Lu 110.1 283
Xiaoling 134.2 284
Herong Lu 106.1 285 LA66 USB LoRaWAN Module not connected
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Edwin Chen 139.2 287 [[image:image-20220723110520-5.png||height="677" width="508"]]
Herong Lu 106.1 288
Xiaoling 134.2 289
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Herong Lu 110.1 291 Connect LA66 USB LoRaWAN Module
Herong Lu 106.1 292
Edwin Chen 139.2 293 [[image:image-20220723110626-6.png||height="681" width="511"]]
Herong Lu 110.1 294
Xiaoling 134.2 295
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Xiaoling 148.3 297 === 1.8.2  Send data to TTNv3 and plot location info in Node-Red ===
Herong Lu 111.1 298
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Xiaoling 134.8 300 (% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
Xiaoling 134.2 301
Herong Lu 113.1 302 [[image:image-20220723134549-8.png]]
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Xiaoling 134.2 305
Xiaoling 134.8 306 (% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
Xiaoling 134.2 307
Edwin Chen 139.2 308 Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
Herong Lu 117.1 309
Edwin Chen 139.2 310 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 113.1 311
Edwin Chen 139.2 312 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 117.1 313
Edwin Chen 139.2 314
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Herong Lu 117.1 317 [[image:image-20220723144339-1.png]]
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Xiaoling 134.2 319
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Xiaoling 146.5 321 == 1.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
Edwin Chen 73.1 322
Xiaoling 134.2 323
Herong Lu 134.1 324 The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
Edwin Chen 73.1 325
Herong Lu 119.1 326 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 73.1 327
Herong Lu 119.1 328 [[image:image-20220723150132-2.png]]
Edwin Chen 73.1 329
Herong Lu 119.1 330
Xiaoling 134.2 331
Xiaoling 146.5 332 = 2.  FAQ =
Edwin Chen 73.1 333
Xiaoling 87.4 334
Xiaoling 146.5 335 == 2.1  How to Compile Source Code for LA66? ==
Xiaoling 137.2 336
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Xiaoling 146.4 338 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 137.2 339
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Xiaoling 146.5 342 = 3.  Order Info =
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Xiaoling 146.5 345 **Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
Xiaoling 87.4 346
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Xiaoling 87.5 348 (% style="color:blue" %)**XXX**(%%): The default frequency band
Edwin Chen 86.1 349
Xiaoling 87.5 350 * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
351 * (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
352 * (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
353 * (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
354 * (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
355 * (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
356 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
357 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
358 * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
Edwin Chen 73.1 359
Xiaoling 134.12 360
Xiaoling 149.3 361
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Xiaoling 146.5 364 = 4.  Reference =
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367 * Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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