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Version 166.3 by Xiaoling on 2023/05/26 13:55
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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
Xiaoling 146.5 10 = 1.  LA66 LoRaWAN Shield =
Xiaoling 87.2 11
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Xiaoling 146.5 13 == 1.1  Overview ==
Xiaoling 87.2 14
Edwin Chen 88.2 15
Xiaoling 100.2 16 (((
17 [[image:image-20220715000826-2.png||height="145" width="220"]]
18 )))
Edwin Chen 90.1 19
Xiaoling 100.2 20 (((
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Xiaoling 100.4 25 (% style="color:blue" %)**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.
Xiaoling 100.2 26 )))
Edwin Chen 71.1 27
Edwin Chen 90.1 28 (((
Xiaoling 100.2 29 (((
Xiaoling 101.4 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.
Edwin Chen 90.1 31 )))
Xiaoling 100.2 32 )))
Edwin Chen 71.1 33
Edwin Chen 90.1 34 (((
Xiaoling 100.2 35 (((
Edwin Chen 90.1 36 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 )))
Xiaoling 100.2 38 )))
Edwin Chen 90.1 39
40 (((
Xiaoling 100.2 41 (((
Edwin Chen 90.1 42 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 )))
Xiaoling 100.2 44 )))
Edwin Chen 90.1 45
46 (((
Xiaoling 100.2 47 (((
Edwin Chen 90.1 48 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 )))
Xiaoling 100.2 50 )))
Edwin Chen 90.1 51
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Xiaoling 100.2 53
Xiaoling 146.5 54 == 1.2  Features ==
Edwin Chen 71.1 55
Xiaoling 137.6 56
Edwin Chen 71.1 57 * Arduino Shield base on LA66 LoRaWAN module
Xiaoling 146.10 58 * Support LoRaWAN v1.0.3 protocol
Edwin Chen 71.1 59 * Support peer-to-peer protocol
60 * TCXO crystal to ensure RF performance on low temperature
61 * SMA connector
62 * Available in different frequency LoRaWAN frequency bands.
63 * World-wide unique OTAA keys.
64 * AT Command via UART-TTL interface
65 * Firmware upgradable via UART interface
66 * Ultra-long RF range
67
Xiaoling 165.5 68
Xiaoling 146.5 69 == 1.3  Specification ==
70
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Edwin Chen 71.1 72 * CPU: 32-bit 48 MHz
73 * Flash: 256KB
74 * RAM: 64KB
75 * Input Power Range: 1.8v ~~ 3.7v
76 * Power Consumption: < 4uA.
77 * Frequency Range: 150 MHz ~~ 960 MHz
78 * Maximum Power +22 dBm constant RF output
79 * High sensitivity: -148 dBm
80 * Temperature:
81 ** Storage: -55 ~~ +125℃
82 ** Operating: -40 ~~ +85℃
83 * Humidity:
84 ** Storage: 5 ~~ 95% (Non-Condensing)
85 ** Operating: 10 ~~ 95% (Non-Condensing)
86 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
87 * LoRa Rx current: <9 mA
88 * I/O Voltage: 3.3v
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Xiaoling 165.5 90
Xiaoling 146.6 91 == 1.4  Pin Mapping & LED ==
Xiaoling 137.6 92
Edwin Chen 11.1 93
Edwin Chen 151.1 94 [[image:image-20220817085048-1.png||height="533" width="734"]]
Edwin Chen 146.1 95
Xiaoling 147.3 96
Xiaoling 149.2 97
Herong Lu 125.1 98 ~1. The LED lights up red when there is an upstream data packet
99 2. When the network is successfully connected, the green light will be on for 5 seconds
100 3. Purple light on when receiving downlink data packets
Edwin Chen 11.1 101
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Edwin Chen 151.1 103 [[image:image-20220820112305-1.png||height="515" width="749"]]
Xiaoling 134.5 104
Edwin Chen 151.1 105
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Xiaoling 146.6 107 == 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
Edwin Chen 11.1 108
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Xiaoling 134.3 110 **Show connection diagram：**
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Herong Lu 125.1 113 [[image:image-20220723170210-2.png||height="908" width="681"]]
Xiaoling 87.2 114
Herong Lu 125.1 115
Xiaoling 134.3 116
Xiaoling 134.6 117 (% style="color:blue" %)**1.  open Arduino IDE**
Xiaoling 134.3 118
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Herong Lu 125.1 120 [[image:image-20220723170545-4.png]]
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Xiaoling 134.3 123
Xiaoling 134.6 124 (% style="color:blue" %)**2.  Open project**
Xiaoling 134.3 125
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Edwin Chen 166.1 127 LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0 >>https://www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0]]
Xiaoling 134.3 128
Herong Lu 137.1 129 [[image:image-20220726135239-1.png]]
Herong Lu 125.1 130
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Xiaoling 149.3 132
Xiaoling 134.6 133 (% style="color:blue" %)**3.  Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload**
Xiaoling 134.3 134
Xiaoling 151.3 135
Herong Lu 137.1 136 [[image:image-20220726135356-2.png]]
Xiaoling 134.3 137
Herong Lu 125.1 138
Xiaoling 149.3 139
Xiaoling 134.6 140 (% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
Herong Lu 125.1 141
Xiaoling 134.3 142
Herong Lu 131.1 143 [[image:image-20220723172235-7.png||height="480" width="1027"]]
Herong Lu 125.1 144
Xiaoling 134.3 145
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Xiaoling 146.6 147 == 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
Xiaoling 87.2 148
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Xiaoling 134.6 150 (% style="color:blue" %)**1.  Open project**
Xiaoling 134.3 151
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Edwin Chen 166.1 153 Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0 >>https://www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0]]
Xiaoling 134.3 154
Xiaoling 134.7 155
Herong Lu 131.1 156 [[image:image-20220723172502-8.png]]
Xiaoling 87.2 157
Herong Lu 131.1 158
Xiaoling 134.3 159
Bei Jinggeng 159.1 160 (% style="color:blue" %)**2.  Same steps as 1.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
Xiaoling 134.3 161
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Herong Lu 131.1 163 [[image:image-20220723172938-9.png||height="652" width="1050"]]
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Xiaoling 134.2 166
Xiaoling 146.6 167 == 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
Xiaoling 87.2 168
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Xiaoling 134.6 170 (% style="color:blue" %)**1.  Open project**
Xiaoling 134.2 171
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Edwin Chen 166.1 173 Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0>>https://www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0]]
Xiaoling 134.2 174
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Herong Lu 131.1 176 [[image:image-20220723173341-10.png||height="581" width="1014"]]
Xiaoling 87.2 177
Herong Lu 131.1 178
Xiaoling 134.2 179
Xiaoling 134.6 180 (% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
Xiaoling 134.2 181
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Herong Lu 131.1 183 [[image:image-20220723173950-11.png||height="665" width="1012"]]
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Xiaoling 134.2 186
Bei Jinggeng 152.1 187
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Xiaoling 134.6 189 (% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
Xiaoling 134.2 190
Herong Lu 133.1 191
Xiaoling 151.3 192 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/]]
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Herong Lu 133.1 195 [[image:image-20220723175700-12.png||height="602" width="995"]]
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Xiaoling 134.2 197
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Xiaoling 163.2 199 == 1.8  Example: How to join helium ==
Xiaoling 87.2 200
Xiaoling 163.2 201
202 (% style="color:blue" %)**1.  Create a new device.**
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Bei Jinggeng 159.1 205 [[image:image-20220907165500-1.png||height="464" width="940"]]
Xiaoling 87.2 206
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Xiaoling 134.2 208
Xiaoling 163.2 209 (% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
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Bei Jinggeng 159.1 212 [[image:image-20220907165837-2.png||height="375" width="809"]]
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Xiaoling 163.2 215
Bei Jinggeng 159.1 216 (% style="color:blue" %)**3.  Use AT commands.**
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Xiaoling 163.2 218
Bei Jinggeng 159.1 219 [[image:image-20220602100052-2.png||height="385" width="600"]]
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Xiaoling 163.2 223 (% style="color:#0000ff" %)**4.  Use command AT+CFG to get device configuration**
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Bei Jinggeng 159.1 226 [[image:image-20220907170308-3.png||height="556" width="617"]]
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Xiaoling 163.2 229
Bei Jinggeng 159.1 230 (% style="color:blue" %)**5.  Network successfully.**
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Xiaoling 163.2 232
Bei Jinggeng 159.1 233 [[image:image-20220907170436-4.png]]
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Xiaoling 163.2 236
Bei Jinggeng 159.1 237 (% style="color:blue" %)**6.  Send uplink using command**
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Xiaoling 163.2 240 [[image:image-20220912084334-1.png]]
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Bei Jinggeng 159.1 247 [[image:image-20220907170744-6.png||height="242" width="798"]]
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Xiaoling 163.2 250
Bei Jinggeng 159.1 251 == 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
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254 === 1.9.1  Items needed for update ===
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Edwin Chen 74.1 257 1. LA66 LoRaWAN Shield
258 1. Arduino
259 1. USB TO TTL Adapter
Edwin Chen 13.1 260
Edwin Chen 75.1 261 [[image:image-20220602100052-2.png||height="385" width="600"]]
Herong Lu 20.1 262
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Xiaoling 137.6 264
Bei Jinggeng 159.1 265 === 1.9.2  Connection ===
Herong Lu 20.1 266
Xiaoling 87.2 267
Edwin Chen 75.1 268 [[image:image-20220602101311-3.png||height="276" width="600"]]
Herong Lu 20.1 269
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Xiaoling 87.17 271 (((
Xiaoling 87.2 272 (% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
Xiaoling 87.17 273 )))
Xiaoling 87.2 274
Xiaoling 87.16 275 (((
Xiaoling 87.2 276 (% style="background-color:yellow" %)**GND  <-> GND
Xiaoling 87.8 277 TXD  <->  TXD
278 RXD  <->  RXD**
Xiaoling 87.16 279 )))
Xiaoling 87.2 280
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Edwin Chen 77.1 282 Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
Herong Lu 20.1 283
Edwin Chen 75.1 284 Connect USB TTL Adapter to PC after connecting the wires
Herong Lu 20.1 285
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Edwin Chen 75.1 287 [[image:image-20220602102240-4.png||height="304" width="600"]]
Herong Lu 20.1 288
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Xiaoling 137.6 290
Bei Jinggeng 159.1 291 === 1.9.3  Upgrade steps ===
Herong Lu 20.1 292
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Xiaoling 146.9 294
Xiaoling 165.5 295 ==== (% style="color:blue" %)**1.  Switch SW1 to put in ISP position**(%%) ====
Xiaoling 87.2 296
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Edwin Chen 75.1 298 [[image:image-20220602102824-5.png||height="306" width="600"]]
Herong Lu 32.1 299
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Xiaoling 87.9 301
Xiaoling 163.2 302
Xiaoling 165.5 303 ==== (% style="color:blue" %)**2.  Press the RST switch once**(%%) ====
Herong Lu 32.1 304
Xiaoling 87.10 305
Xiaoling 148.2 306 [[image:image-20220817085447-1.png]]
Herong Lu 32.1 307
Edwin Chen 75.1 308
Xiaoling 87.9 309
Xiaoling 148.3 310
Xiaoling 165.5 311 ==== (% style="color:blue" %)**3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade**(%%) ====
Edwin Chen 75.1 312
Herong Lu 39.1 313
Xiaoling 163.2 314
Xiaoling 87.18 315 (((
Xiaoling 163.2 316 (% style="color:blue" %)**1.  Software download link:  **(%%)**[[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]**
Xiaoling 87.18 317 )))
Xiaoling 87.2 318
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Herong Lu 32.1 320 [[image:image-20220602103227-6.png]]
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Xiaoling 87.2 322
Herong Lu 32.1 323 [[image:image-20220602103357-7.png]]
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Xiaoling 87.2 326
Edwin Chen 76.1 327 (% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
Xiaoling 163.2 328 (% style="color:blue" %)**2.  Select the COM port corresponding to USB TTL**
Edwin Chen 76.1 329
Xiaoling 87.2 330
Herong Lu 32.1 331 [[image:image-20220602103844-8.png]]
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Xiaoling 87.2 334
Edwin Chen 76.1 335 (% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
Xiaoling 163.2 336 (% style="color:blue" %)**3.  Select the bin file to burn**
Edwin Chen 76.1 337
Xiaoling 87.2 338
Herong Lu 32.1 339 [[image:image-20220602104144-9.png]]
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Xiaoling 87.2 341
Herong Lu 32.1 342 [[image:image-20220602104251-10.png]]
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Herong Lu 32.1 345 [[image:image-20220602104402-11.png]]
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Xiaoling 87.2 348
Edwin Chen 76.1 349 (% class="wikigeneratedid" id="HClicktostartthedownload" %)
Xiaoling 163.2 350 (% style="color:blue" %)**4.  Click to start the download**
Edwin Chen 76.1 351
Xiaoling 151.4 352
Herong Lu 32.1 353 [[image:image-20220602104923-13.png]]
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Xiaoling 87.10 356
Edwin Chen 76.1 357 (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
Xiaoling 163.2 358 (% style="color:blue" %)**5.  Check update process**
Edwin Chen 76.1 359
Xiaoling 87.2 360
Herong Lu 32.1 361 [[image:image-20220602104948-14.png]]
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Xiaoling 87.2 364
Edwin Chen 76.1 365 (% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
Xiaoling 87.2 366 (% style="color:blue" %)**The following picture shows that the burning is successful**
Edwin Chen 76.1 367
Xiaoling 151.4 368
Herong Lu 32.1 369 [[image:image-20220602105251-15.png]]
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Edwin Chen 72.1 371
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Xiaoling 146.7 373 = 2.  FAQ =
Edwin Chen 6.1 374
Xiaoling 165.2 375 == 2.1  How to Compile Source Code for LA66? ==
Xiaoling 87.2 376
Xiaoling 100.3 377
Xiaoling 146.4 378 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 137.2 379
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Xiaoling 165.2 382 == 2.2  Where to find Peer-to-Peer firmware of LA66? ==
Edwin Chen 164.1 383
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Xiaoling 165.2 385 Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:.Instruction for LA66 Peer to Peer firmware.WebHome]]
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Xiaoling 146.7 387 = 3.  Order Info =
Xiaoling 137.2 388
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Xiaoling 146.7 390 **Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
Xiaoling 87.4 391
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Xiaoling 87.5 393 (% style="color:blue" %)**XXX**(%%): The default frequency band
Edwin Chen 86.1 394
Xiaoling 87.5 395 * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
396 * (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
397 * (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
398 * (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
399 * (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
400 * (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
401 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
402 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
403 * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
Edwin Chen 73.1 404
Xiaoling 165.3 405
Xiaoling 146.7 406 = 4.  Reference =
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409 * Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
Xiaoling 148.3 410
Xiaoling 165.4 411
412 = 5.  FCC Statement =
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415 (% style="color:red" %)**FCC Caution:**
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417 Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
418
419 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.
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422 (% style="color:red" %)**IMPORTANT NOTE: **
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424 (% 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:
425
426 —Reorient or relocate the receiving antenna.
427
428 —Increase the separation between the equipment and receiver.
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430 —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
431
432 —Consult the dealer or an experienced radio/TV technician for help.
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435 (% style="color:red" %)**FCC Radiation Exposure Statement: **
436
437 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.