Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 68.1 >
edited by Edwin Chen
on 2022/07/02 23:42
To version < 87.1 >
edited by Edwin Chen
on 2022/07/11 09:10
>
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -25,10 +25,10 @@
25 25  * SMD Antenna pad and i-pex antenna connector
26 26  * Available in different frequency LoRaWAN frequency bands.
27 27  * World-wide unique OTAA keys.
28 +* AT Command via UART-TTL interface
29 +* Firmware upgradable via UART interface
30 +* Ultra-long RF range
28 28  
29 -
30 -
31 -
32 32  == Specification ==
33 33  
34 34  * CPU: 32-bit 48 MHz
... ... @@ -68,27 +68,47 @@
68 68  [[image:image-20220517072821-2.png]]
69 69  
70 70  
71 -== Part Number ==
72 72  
73 -Part Number: **LA66-XXX**
72 += LA66 LoRaWAN Shield =
74 74  
75 -**XX**: The default frequency band
74 +== Overview ==
76 76  
77 -* **AS923**: LoRaWAN AS923 band
78 -* **AU915**: LoRaWAN AU915 band
79 -* **EU433**: LoRaWAN EU433 band
80 -* **EU868**: LoRaWAN EU868 band
81 -* **KR920**: LoRaWAN KR920 band
82 -* **US915**: LoRaWAN US915 band
83 -* **IN865**: LoRaWAN IN865 band
84 -* **CN470**: LoRaWAN CN470 band
85 -* **PP**: Peer to Peer LoRa Protocol
76 +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.
86 86  
87 87  
88 -= LA66 LoRaWAN Shield =
79 +== Features ==
89 89  
90 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
81 +* Arduino Shield base on LA66 LoRaWAN module
82 +* Support LoRaWAN v1.0.4 protocol
83 +* Support peer-to-peer protocol
84 +* TCXO crystal to ensure RF performance on low temperature
85 +* SMA connector
86 +* Available in different frequency LoRaWAN frequency bands.
87 +* World-wide unique OTAA keys.
88 +* AT Command via UART-TTL interface
89 +* Firmware upgradable via UART interface
90 +* Ultra-long RF range
91 91  
92 +== Specification ==
93 +
94 +* CPU: 32-bit 48 MHz
95 +* Flash: 256KB
96 +* RAM: 64KB
97 +* Input Power Range: 1.8v ~~ 3.7v
98 +* Power Consumption: < 4uA.
99 +* Frequency Range: 150 MHz ~~ 960 MHz
100 +* Maximum Power +22 dBm constant RF output
101 +* High sensitivity: -148 dBm
102 +* Temperature:
103 +** Storage: -55 ~~ +125℃
104 +** Operating: -40 ~~ +85℃
105 +* Humidity:
106 +** Storage: 5 ~~ 95% (Non-Condensing)
107 +** Operating: 10 ~~ 95% (Non-Condensing)
108 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
109 +* LoRa Rx current: <9 mA
110 +* I/O Voltage: 3.3v
111 +
92 92  == Pin Mapping & LED ==
93 93  
94 94  == Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
... ... @@ -99,58 +99,62 @@
99 99  
100 100  == Upgrade Firmware of LA66 LoRaWAN Shield ==
101 101  
102 -=== what needs to be used ===
122 +=== Items needed for update ===
103 103  
104 -1.LA66 LoRaWAN Shield that needs to be upgraded
124 +1. LA66 LoRaWAN Shield
125 +1. Arduino
126 +1. USB TO TTL Adapter
105 105  
106 -2.Arduino
128 +[[image:image-20220602100052-2.png||height="385" width="600"]]
107 107  
108 -3.USB TO TTL
109 109  
110 -[[image:image-20220602100052-2.png]]
131 +=== Connection ===
111 111  
112 -=== Wiring Schematic ===
133 +[[image:image-20220602101311-3.png||height="276" width="600"]]
113 113  
114 -[[image:image-20220602101311-3.png]]
135 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
136 +**GND  <-> GND
137 +TXD  <-> TXD
138 +RXD  <-> RXD**
115 115  
116 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
140 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
117 117  
118 -GND  >>>>>>>>>>>>GND
142 +Connect USB TTL Adapter to PC after connecting the wires
119 119  
120 -TXD  >>>>>>>>>>>>TXD
121 121  
122 -RXD  >>>>>>>>>>>>RXD
145 +[[image:image-20220602102240-4.png||height="304" width="600"]]
123 123  
124 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
125 125  
126 -Connect to the PC after connecting the wires
148 +=== Upgrade steps ===
127 127  
128 -[[image:image-20220602102240-4.png]]
150 +==== Switch SW1 to put in ISP position ====
129 129  
130 -=== Upgrade steps ===
152 +[[image:image-20220602102824-5.png||height="306" width="600"]]
131 131  
132 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
133 133  
134 -[[image:image-20220602102824-5.png]]
155 +==== Press the RST switch once ====
135 135  
136 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
157 +[[image:image-20220602104701-12.png||height="285" width="600"]]
137 137  
138 -[[image:image-20220602104701-12.png]]
139 139  
140 -==== Open the upgrade application software ====
160 +==== Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
141 141  
142 -Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]
162 +**~1. Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]**
143 143  
144 144  [[image:image-20220602103227-6.png]]
145 145  
146 146  [[image:image-20220602103357-7.png]]
147 147  
148 -===== Select the COM port corresponding to USB TTL =====
149 149  
169 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
170 +**2. Select the COM port corresponding to USB TTL**
171 +
150 150  [[image:image-20220602103844-8.png]]
151 151  
152 -===== Select the bin file to burn =====
153 153  
175 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
176 +**3. Select the bin file to burn**
177 +
154 154  [[image:image-20220602104144-9.png]]
155 155  
156 156  [[image:image-20220602104251-10.png]]
... ... @@ -157,114 +157,197 @@
157 157  
158 158  [[image:image-20220602104402-11.png]]
159 159  
160 -===== Click to start the download =====
161 161  
185 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
186 +**4. Click to start the download**
187 +
162 162  [[image:image-20220602104923-13.png]]
163 163  
164 -===== The following figure appears to prove that the burning is in progress =====
165 165  
191 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
192 +**5. Check update process**
193 +
166 166  [[image:image-20220602104948-14.png]]
167 167  
168 -===== The following picture appears to prove that the burning is successful =====
169 169  
197 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
198 +**The following picture shows that the burning is successful**
199 +
170 170  [[image:image-20220602105251-15.png]]
171 171  
202 +
203 +
172 172  = LA66 USB LoRaWAN Adapter =
173 173  
174 -LA66 USB LoRaWAN Adapter is the USB Adapter for LA66, it combines a USB TTL Chip and LA66 module which can easy to test the LoRaWAN feature by using PC or embedded device which has USB Interface.
206 +== Overview ==
175 175  
176 -Before use, please make sure that the computer has installed the CP2102 driver
208 +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.
177 177  
210 +
211 +== Features ==
212 +
213 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
214 +* Ultra-long RF range
215 +* Support LoRaWAN v1.0.4 protocol
216 +* Support peer-to-peer protocol
217 +* TCXO crystal to ensure RF performance on low temperature
218 +* Spring RF antenna
219 +* Available in different frequency LoRaWAN frequency bands.
220 +* World-wide unique OTAA keys.
221 +* AT Command via UART-TTL interface
222 +* Firmware upgradable via UART interface
223 +
224 +== Specification ==
225 +
226 +* CPU: 32-bit 48 MHz
227 +* Flash: 256KB
228 +* RAM: 64KB
229 +* Input Power Range: 5v
230 +* Frequency Range: 150 MHz ~~ 960 MHz
231 +* Maximum Power +22 dBm constant RF output
232 +* High sensitivity: -148 dBm
233 +* Temperature:
234 +** Storage: -55 ~~ +125℃
235 +** Operating: -40 ~~ +85℃
236 +* Humidity:
237 +** Storage: 5 ~~ 95% (Non-Condensing)
238 +** Operating: 10 ~~ 95% (Non-Condensing)
239 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
240 +* LoRa Rx current: <9 mA
241 +
178 178  == Pin Mapping & LED ==
179 179  
180 180  == Example Send & Get Messages via LoRaWAN in PC ==
181 181  
182 -Connect the LA66 LoRa Shield to the PC
246 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
183 183  
184 -[[image:image-20220602171217-1.png||height="615" width="915"]]
248 +~1. Connect the LA66 USB LoRaWAN adapter to PC
185 185  
250 +[[image:image-20220602171217-1.png||height="538" width="800"]]
251 +
186 186  Open the serial port tool
187 187  
188 188  [[image:image-20220602161617-8.png]]
189 189  
190 -[[image:image-20220602161718-9.png||height="529" width="927"]]
256 +[[image:image-20220602161718-9.png||height="457" width="800"]]
191 191  
192 -Press the reset switch RST on the LA66 LoRa Shield.
193 193  
194 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
259 +2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
195 195  
196 -[[image:image-20220602161935-10.png]]
261 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
197 197  
198 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
263 +[[image:image-20220602161935-10.png||height="498" width="800"]]
199 199  
265 +
266 +3. See Uplink Command
267 +
268 +Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
269 +
200 200  example: AT+SENDB=01,02,8,05820802581ea0a5
201 201  
202 -[[image:image-20220602162157-11.png]]
272 +[[image:image-20220602162157-11.png||height="497" width="800"]]
203 203  
204 -Check to see if TTN received the message
205 205  
206 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
275 +4. Check to see if TTN received the message
207 207  
208 -== Example Send & Get Messages via LoRaWAN in RPi ==
277 +[[image:image-20220602162331-12.png||height="420" width="800"]]
209 209  
210 -Connect the LA66 LoRa Shield to the RPI
211 211  
212 -[[image:image-20220602171233-2.png||height="592" width="881"]]
213 213  
214 -Log in to the RPI's terminal and connect to the serial port
281 +== Example:Send PC's CPU/RAM usage to TTN via python ==
215 215  
216 -[[image:image-20220602153146-3.png]]
283 +(% class="wikigeneratedid" id="HUsepythonasanexampleFF1A" %)
284 +**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]]
217 217  
218 -Press the reset switch RST on the LA66 LoRa Shield.
219 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
286 +(% class="wikigeneratedid" id="HPreconditions:" %)
287 +**Preconditions:**
220 220  
221 -[[image:image-20220602154928-5.png]]
289 +1.LA66 USB LoRaWAN Adapter works fine
222 222  
223 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
291 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
224 224  
225 -example: AT+SENDB=01,02,8,05820802581ea0a5
293 +(% class="wikigeneratedid" id="HStepsforusage" %)
294 +**Steps for usage**
226 226  
227 -[[image:image-20220602160339-6.png]]
296 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
228 228  
229 -Check to see if TTN received the message
298 +2.Run the python script in PC and see the TTN
230 230  
231 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
300 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
232 232  
233 -=== Install Minicom ===
234 234  
235 -Enter the following command in the RPI terminal
236 236  
237 -apt update
304 +== Example Send & Get Messages via LoRaWAN in RPi ==
238 238  
239 -[[image:image-20220602143155-1.png]]
306 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
240 240  
241 -apt install minicom
308 +~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
242 242  
243 -[[image:image-20220602143744-2.png]]
310 +[[image:image-20220602171233-2.png||height="538" width="800"]]
244 244  
245 -=== Send PC's CPU/RAM usage to TTN via script. ===
246 246  
247 -==== Take python as an example： ====
313 +2. Install Minicom in RPi.
248 248  
249 -===== Preconditions: =====
315 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
250 250  
251 -1.LA66 USB LoRaWAN Adapter works fine
317 +(% class="mark" %)apt update
252 252  
253 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
319 +(% class="mark" %)apt install minicom
254 254  
255 -===== Steps for usage =====
256 256  
257 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
322 +Use minicom to connect to the RPI's terminal
258 258  
259 -2.Run the script and see the TTN
324 +[[image:image-20220602153146-3.png||height="439" width="500"]]
260 260  
261 -[[image:image-20220602115852-3.png]]
262 262  
327 +3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
328 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
263 263  
330 +[[image:image-20220602154928-5.png||height="436" width="500"]]
264 264  
332 +
333 +4. Send Uplink message
334 +
335 +Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
336 +
337 +example: AT+SENDB=01,02,8,05820802581ea0a5
338 +
339 +[[image:image-20220602160339-6.png||height="517" width="600"]]
340 +
341 +Check to see if TTN received the message
342 +
343 +[[image:image-20220602160627-7.png||height="369" width="800"]]
344 +
345 +
346 +
265 265  == Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
266 266  
267 267  
268 268  == Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
269 269  
352 +
353 +
354 += Order Info =
355 +
356 +Part Number:
357 +
358 +**LA66-XXX**, **LA66-LoRaWAN-Shield-XXX** or **LA66-USB-LoRaWAN-Adapter-XXX**
359 +
360 +**XXX**: The default frequency band
361 +
362 +* **AS923**: LoRaWAN AS923 band
363 +* **AU915**: LoRaWAN AU915 band
364 +* **EU433**: LoRaWAN EU433 band
365 +* **EU868**: LoRaWAN EU868 band
366 +* **KR920**: LoRaWAN KR920 band
367 +* **US915**: LoRaWAN US915 band
368 +* **IN865**: LoRaWAN IN865 band
369 +* **CN470**: LoRaWAN CN470 band
370 +* **PP**: Peer to Peer LoRa Protocol
371 +
372 +
373 += Reference =
374 +
375 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
376 +
270 270  

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