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Version 149.7 by Xiaoling on 2022/08/22 16:24
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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 149.4 58
Xiaoling 146.5 59 == 1.3  Specification ==
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Edwin Chen 73.1 62 * CPU: 32-bit 48 MHz
63 * Flash: 256KB
64 * RAM: 64KB
65 * Input Power Range: 5v
66 * Frequency Range: 150 MHz ~~ 960 MHz
67 * Maximum Power +22 dBm constant RF output
68 * High sensitivity: -148 dBm
69 * Temperature:
70 ** Storage: -55 ~~ +125℃
71 ** Operating: -40 ~~ +85℃
72 * Humidity:
73 ** Storage: 5 ~~ 95% (Non-Condensing)
74 ** Operating: 10 ~~ 95% (Non-Condensing)
75 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
76 * LoRa Rx current: <9 mA
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Edwin Chen 7.1 78
Xiaoling 149.4 79
Xiaoling 146.5 80 == 1.4  Pin Mapping & LED ==
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Xiaoling 149.7 82
Edwin Chen 143.1 83 [[image:image-20220813183239-3.png||height="526" width="662"]]
Edwin Chen 7.1 84
Xiaoling 87.3 85
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Xiaoling 146.5 87 == 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
Xiaoling 87.3 88
Xiaoling 146.5 89
Xiaoling 100.5 90 (((
Edwin Chen 78.2 91 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
Xiaoling 100.5 92 )))
Herong Lu 58.1 93
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Xiaoling 87.3 95 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
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Herong Lu 106.1 98 [[image:image-20220723100027-1.png]]
Edwin Chen 78.2 99
Xiaoling 87.3 100
Herong Lu 58.1 101 Open the serial port tool
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103 [[image:image-20220602161617-8.png]]
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Edwin Chen 78.2 105 [[image:image-20220602161718-9.png||height="457" width="800"]]
Herong Lu 58.1 106
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Xiaoling 87.3 109 (% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
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Xiaoling 149.7 111
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 149.7 121
Xiaoling 87.3 122 Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
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Herong Lu 58.1 124 example: AT+SENDB=01,02,8,05820802581ea0a5
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Edwin Chen 78.2 126 [[image:image-20220602162157-11.png||height="497" width="800"]]
Herong Lu 58.1 127
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Xiaoling 87.3 130 (% style="color:blue" %)**4. Check to see if TTN received the message**
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Edwin Chen 78.2 132
Xiaoling 149.2 133 [[image:image-20220817093644-1.png]]
Edwin Chen 78.2 134
Xiaoling 149.2 135
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Xiaoling 146.5 137 == 1.6  Example: Send PC's CPU/RAM usage to TTN via python ==
Edwin Chen 81.1 138
Xiaoling 87.3 139
Edwin Chen 87.1 140 **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 81.1 141
Herong Lu 106.1 142 (**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 81.1 143
Xiaoling 149.6 144
Xiaoling 87.3 145 (% style="color:red" %)**Preconditions:**
Edwin Chen 81.1 146
Xiaoling 87.3 147 (% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
Edwin Chen 81.1 148
Xiaoling 87.3 149 (% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
Edwin Chen 81.1 150
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Xiaoling 87.3 153 (% style="color:blue" %)**Steps for usage:**
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155 (% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
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157 (% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
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Xiaoling 149.6 159
Edwin Chen 81.1 160 [[image:image-20220602115852-3.png||height="450" width="1187"]]
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Xiaoling 146.5 164 == 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
Edwin Chen 11.1 165
Xiaoling 87.4 166
Edwin Chen 79.1 167 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
Edwin Chen 12.1 168
Edwin Chen 79.1 169
Xiaoling 87.5 170 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
Xiaoling 87.4 171
Xiaoling 149.6 172
Herong Lu 106.1 173 [[image:image-20220723100439-2.png]]
Herong Lu 43.1 174
Herong Lu 52.1 175
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Xiaoling 87.4 177 (% style="color:blue" %)**2. Install Minicom in RPi.**
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Xiaoling 149.6 179
Edwin Chen 79.1 180 (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
Herong Lu 52.1 181
Xiaoling 87.4 182 (% style="background-color:yellow" %)**apt update**
Herong Lu 52.1 183
Xiaoling 87.4 184 (% style="background-color:yellow" %)**apt install minicom**
Herong Lu 52.1 185
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Edwin Chen 79.1 187 Use minicom to connect to the RPI's terminal
Herong Lu 52.1 188
Edwin Chen 79.1 189 [[image:image-20220602153146-3.png||height="439" width="500"]]
Herong Lu 52.1 190
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Xiaoling 87.4 192
Xiaoling 87.11 193 (% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
Edwin Chen 8.1 194
Xiaoling 149.6 195
Xiaoling 87.11 196 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
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Edwin Chen 79.1 199 [[image:image-20220602154928-5.png||height="436" width="500"]]
Herong Lu 46.1 200
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Xiaoling 87.4 203 (% style="color:blue" %)**4. Send Uplink message**
Herong Lu 46.1 204
Xiaoling 149.6 205
Xiaoling 87.5 206 Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
Xiaoling 87.4 207
Edwin Chen 79.1 208 example: AT+SENDB=01,02,8,05820802581ea0a5
Herong Lu 46.1 209
Xiaoling 87.4 210
Edwin Chen 79.1 211 [[image:image-20220602160339-6.png||height="517" width="600"]]
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Xiaoling 87.4 213
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Edwin Chen 79.1 215 Check to see if TTN received the message
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217 [[image:image-20220602160627-7.png||height="369" width="800"]]
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Xiaoling 146.5 221 == 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
Edwin Chen 11.1 222
Xiaoling 134.2 223
Xiaoling 146.5 224 === 1.8.1  Hardware and Software Connection ===
Edwin Chen 13.1 225
Xiaoling 134.2 226
Xiaoling 146.5 227
Xiaoling 134.2 228 ==== (% style="color:blue" %)**Overview：**(%%) ====
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Xiaoling 134.9 231 (((
Edwin Chen 139.2 232 DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
Herong Lu 106.1 233
Edwin Chen 139.2 234 * Send real-time location information of mobile phone to LoRaWAN network.
235 * Check LoRaWAN network signal strengh.
236 * Manually send messages to LoRaWAN network.
Xiaoling 134.9 237 )))
Herong Lu 111.1 238
Herong Lu 106.1 239
Xiaoling 134.2 240
Xiaoling 146.5 241
Edwin Chen 139.2 242 ==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
Xiaoling 134.2 243
Xiaoling 149.6 244
Edwin Chen 139.2 245 A USB to Type-C adapter is needed to connect to a Mobile phone.
Xiaoling 134.2 246
Edwin Chen 139.2 247 Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
Herong Lu 106.1 248
Edwin Chen 139.2 249 [[image:image-20220813174353-2.png||height="360" width="313"]]
Herong Lu 106.1 250
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Edwin Chen 139.2 253 ==== (% style="color:blue" %)**Download and Install App:**(%%) ====
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Edwin Chen 139.2 256 [[(% 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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258 [[image:image-20220813173738-1.png]]
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Xiaoling 134.2 262 ==== (% style="color:blue" %)**Use of APP:**(%%) ====
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Xiaoling 149.6 264
Herong Lu 110.1 265 Function and page introduction
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Xiaoling 149.6 267
Edwin Chen 139.2 268 [[image:image-20220723113448-7.png||height="995" width="450"]]
Herong Lu 110.1 269
Edwin Chen 139.2 270 **Block Explain:**
Xiaoling 134.9 271
Edwin Chen 139.2 272 1.  Display LA66 USB LoRaWAN Module connection status
Herong Lu 110.1 273
Edwin Chen 139.2 274 2.  Check and reconnect
Herong Lu 110.1 275
Edwin Chen 139.2 276 3.  Turn send timestamps on or off
Herong Lu 110.1 277
Edwin Chen 139.2 278 4.  Display LoRaWan connection status
Herong Lu 110.1 279
Edwin Chen 139.2 280 5.  Check LoRaWan connection status
Herong Lu 110.1 281
Edwin Chen 139.2 282 6.  The RSSI value of the node when the ACK is received
Herong Lu 110.1 283
Edwin Chen 139.2 284 7.  Node's Signal Strength Icon
Herong Lu 110.1 285
Edwin Chen 139.2 286 8.  Configure Location Uplink Interval
Herong Lu 110.1 287
Edwin Chen 139.2 288 9.  AT command input box
Herong Lu 110.1 289
Edwin Chen 139.2 290 10.  Send Button:  Send input box info to LA66 USB Adapter
Herong Lu 110.1 291
Edwin Chen 139.2 292 11.  Output Log from LA66 USB adapter
Herong Lu 110.1 293
Edwin Chen 139.2 294 12.  clear log button
Herong Lu 110.1 295
Edwin Chen 139.2 296 13.  exit button
Herong Lu 110.1 297
Xiaoling 134.2 298
Xiaoling 149.6 299
Herong Lu 106.1 300 LA66 USB LoRaWAN Module not connected
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Xiaoling 149.6 302
Edwin Chen 139.2 303 [[image:image-20220723110520-5.png||height="677" width="508"]]
Herong Lu 106.1 304
Xiaoling 134.2 305
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Herong Lu 110.1 307 Connect LA66 USB LoRaWAN Module
Herong Lu 106.1 308
Edwin Chen 139.2 309 [[image:image-20220723110626-6.png||height="681" width="511"]]
Herong Lu 110.1 310
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Xiaoling 148.3 313 === 1.8.2  Send data to TTNv3 and plot location info in Node-Red ===
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Xiaoling 134.8 316 (% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
Xiaoling 134.2 317
Xiaoling 149.6 318
Herong Lu 113.1 319 [[image:image-20220723134549-8.png]]
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Xiaoling 134.8 323 (% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
Xiaoling 134.2 324
Xiaoling 149.6 325
Edwin Chen 139.2 326 Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
Herong Lu 117.1 327
Edwin Chen 139.2 328 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 113.1 329
Edwin Chen 139.2 330 After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
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Edwin Chen 139.2 332
333 Example output in NodeRed is as below:
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Herong Lu 117.1 335 [[image:image-20220723144339-1.png]]
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Xiaoling 146.5 339 == 1.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
Edwin Chen 73.1 340
Xiaoling 134.2 341
Herong Lu 134.1 342 The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
Edwin Chen 73.1 343
Herong Lu 119.1 344 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 73.1 345
Xiaoling 149.4 346
Herong Lu 119.1 347 [[image:image-20220723150132-2.png]]
Edwin Chen 73.1 348
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Xiaoling 134.2 350
Xiaoling 146.5 351 = 2.  FAQ =
Edwin Chen 73.1 352
Xiaoling 87.4 353
Xiaoling 146.5 354 == 2.1  How to Compile Source Code for LA66? ==
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Xiaoling 146.4 357 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]]
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Xiaoling 146.5 361 = 3.  Order Info =
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Xiaoling 146.5 364 **Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
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Xiaoling 87.5 367 (% style="color:blue" %)**XXX**(%%): The default frequency band
Edwin Chen 86.1 368
Xiaoling 87.5 369 * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
370 * (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
371 * (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
372 * (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
373 * (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
374 * (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
375 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
376 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
377 * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
Edwin Chen 73.1 378
Xiaoling 134.12 379
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Xiaoling 146.5 382 = 4.  Reference =
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385 * Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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