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Version 151.2 by Xiaoling on 2022/08/22 16:13
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1
2
3 **Table of Contents:**
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5 {{toc/}}
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10 = 1.  LA66 LoRaWAN Shield =
11
12
13 == 1.1  Overview ==
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15
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17 [[image:image-20220715000826-2.png||height="145" width="220"]]
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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.
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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.
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36 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
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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.
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48 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
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51
52
53
54 == 1.2  Features ==
55
56
57 * Arduino Shield base on LA66 LoRaWAN module
58 * Support LoRaWAN v1.0.3 protocol
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
68
69
70
71 == 1.3  Specification ==
72
73
74 * CPU: 32-bit 48 MHz
75 * Flash: 256KB
76 * RAM: 64KB
77 * Input Power Range: 1.8v ~~ 3.7v
78 * Power Consumption: < 4uA.
79 * Frequency Range: 150 MHz ~~ 960 MHz
80 * Maximum Power +22 dBm constant RF output
81 * High sensitivity: -148 dBm
82 * Temperature:
83 ** Storage: -55 ~~ +125℃
84 ** Operating: -40 ~~ +85℃
85 * Humidity:
86 ** Storage: 5 ~~ 95% (Non-Condensing)
87 ** Operating: 10 ~~ 95% (Non-Condensing)
88 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
89 * LoRa Rx current: <9 mA
90 * I/O Voltage: 3.3v
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92
93
94
95 == 1.4  Pin Mapping & LED ==
96
97
98 [[image:image-20220817085048-1.png||height="533" width="734"]]
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102 ~1. The LED lights up red when there is an upstream data packet
103 2. When the network is successfully connected, the green light will be on for 5 seconds
104 3. Purple light on when receiving downlink data packets
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106
107 [[image:image-20220820112305-1.png||height="515" width="749"]]
108
109
110
111 == 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
112
113
114 **Show connection diagram：**
115
116
117 [[image:image-20220723170210-2.png||height="908" width="681"]]
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121 (% style="color:blue" %)**1.  open Arduino IDE**
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124 [[image:image-20220723170545-4.png]]
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128 (% style="color:blue" %)**2.  Open project**
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130
131 LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0>>https://www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0]]
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133 [[image:image-20220726135239-1.png]]
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136
137 (% 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**
138
139 [[image:image-20220726135356-2.png]]
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143 (% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
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146 [[image:image-20220723172235-7.png||height="480" width="1027"]]
147
148
149
150 == 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
151
152
153 (% style="color:blue" %)**1.  Open project**
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156 Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0>>https://www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0]]
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159 [[image:image-20220723172502-8.png]]
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163 (% 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**
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166 [[image:image-20220723172938-9.png||height="652" width="1050"]]
167
168
169
170 == 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
171
172
173 (% style="color:blue" %)**1.  Open project**
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176 Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0>>https://www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0]]
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179 [[image:image-20220723173341-10.png||height="581" width="1014"]]
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183 (% 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**
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186 [[image:image-20220723173950-11.png||height="665" width="1012"]]
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190 (% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
191
192 For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
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194 [[image:image-20220723175700-12.png||height="602" width="995"]]
195
196
197
198 == 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
199
200
201 === 1.8.1  Items needed for update ===
202
203
204 1. LA66 LoRaWAN Shield
205 1. Arduino
206 1. USB TO TTL Adapter
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209
210 [[image:image-20220602100052-2.png||height="385" width="600"]]
211
212
213
214 === 1.8.2  Connection ===
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217 [[image:image-20220602101311-3.png||height="276" width="600"]]
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220 (((
221 (% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
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224 (((
225 (% style="background-color:yellow" %)**GND  <-> GND
226 TXD  <->  TXD
227 RXD  <->  RXD**
228 )))
229
230
231 Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
232
233 Connect USB TTL Adapter to PC after connecting the wires
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236 [[image:image-20220602102240-4.png||height="304" width="600"]]
237
238
239
240 === 1.8.3  Upgrade steps ===
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242
243
244 ==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
245
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247 [[image:image-20220602102824-5.png||height="306" width="600"]]
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249
250
251 ==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
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254 [[image:image-20220817085447-1.png]]
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257
258
259 ==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
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262 (((
263 (% 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]]**
264 )))
265
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267 [[image:image-20220602103227-6.png]]
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270 [[image:image-20220602103357-7.png]]
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274 (% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
275 (% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
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278 [[image:image-20220602103844-8.png]]
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282 (% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
283 (% style="color:blue" %)**3. Select the bin file to burn**
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286 [[image:image-20220602104144-9.png]]
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289 [[image:image-20220602104251-10.png]]
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292 [[image:image-20220602104402-11.png]]
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296 (% class="wikigeneratedid" id="HClicktostartthedownload" %)
297 (% style="color:blue" %)**4. Click to start the download**
298
299 [[image:image-20220602104923-13.png]]
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303 (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
304 (% style="color:blue" %)**5. Check update process**
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307 [[image:image-20220602104948-14.png]]
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311 (% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
312 (% style="color:blue" %)**The following picture shows that the burning is successful**
313
314 [[image:image-20220602105251-15.png]]
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316
317
318 = 2.  FAQ =
319
320
321 == 2.1  How to Compile Source Code for LA66? ==
322
323
324 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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326
327
328 = 3.  Order Info =
329
330
331 **Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
332
333
334 (% style="color:blue" %)**XXX**(%%): The default frequency band
335
336 * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
337 * (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
338 * (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
339 * (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
340 * (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
341 * (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
342 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
343 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
344 * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
345
346
347
348
349 = 4.  Reference =
350
351
352 * Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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