Last modified by Xiaoling on 2023/09/19 09:20
<
From version < 65.1 >
edited by Edwin Chen
on 2022/07/02 23:30
To version < 87.1 >
edited by Edwin Chen
on 2022/07/11 09:10
>
Change comment: There is no comment for this version

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16 16  
17 17  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
18 18  
19 +
19 19  == Features ==
20 20  
22 +* Support LoRaWAN v1.0.4 protocol
23 +* Support peer-to-peer protocol
24 +* TCXO crystal to ensure RF performance on low temperature
25 +* SMD Antenna pad and i-pex antenna connector
26 +* Available in different frequency LoRaWAN frequency bands.
27 +* World-wide unique OTAA keys.
28 +* AT Command via UART-TTL interface
29 +* Firmware upgradable via UART interface
30 +* Ultra-long RF range
21 21  
22 22  == Specification ==
23 23  
24 -[[image:image-20220517072526-1.png]]
34 +* CPU: 32-bit 48 MHz
35 +* Flash: 256KB
36 +* RAM: 64KB
37 +* Input Power Range: 1.8v ~~ 3.7v
38 +* Power Consumption: < 4uA.
39 +* Frequency Range: 150 MHz ~~ 960 MHz
40 +* Maximum Power +22 dBm constant RF output
41 +* High sensitivity: -148 dBm
42 +* Temperature:
43 +** Storage: -55 ~~ +125℃
44 +** Operating: -40 ~~ +85℃
45 +* Humidity:
46 +** Storage: 5 ~~ 95% (Non-Condensing)
47 +** Operating: 10 ~~ 95% (Non-Condensing)
48 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
49 +* LoRa Rx current: <9 mA
50 +* I/O Voltage: 3.3v
25 25  
26 -Input Power Range: 1.8v ~~ 3.7v
52 +== AT Command ==
27 27  
28 -Power Consumption: < 4uA.
54 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
29 29  
30 -Frequency Range: 150 MHz ~~ 960 MHz
31 31  
32 -Maximum Power +22 dBm constant RF output
57 +== Dimension ==
33 33  
34 -High sensitivity: -148 dBm
59 +[[image:image-20220517072526-1.png]]
35 35  
36 -Temperature:
37 37  
38 -* Storage: -55 ~~ +125℃
39 -* Operating: -40 ~~ +85℃
40 -
41 -Humidity:
42 -
43 -* Storage: 5 ~~ 95% (Non-Condensing)
44 -* Operating: 10 ~~ 95% (Non-Condensing)
45 -
46 -LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
47 -
48 -LoRa Rx current: <9 mA
49 -
50 -I/O Voltage: 3.3v
51 -
52 -
53 -== AT Command ==
54 -
55 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
56 -
57 -
58 58  == Pin Mapping ==
59 59  
60 60  [[image:image-20220523101537-1.png]]
... ... @@ -64,25 +64,47 @@
64 64  [[image:image-20220517072821-2.png]]
65 65  
66 66  
67 -== Part Number ==
68 68  
69 -Part Number: **LA66-XXX**
72 += LA66 LoRaWAN Shield =
70 70  
71 -**XX**: The default frequency band
74 +== Overview ==
72 72  
73 -* **AS923**: LoRaWAN AS923 band
74 -* **AU915**: LoRaWAN AU915 band
75 -* **EU433**: LoRaWAN EU433 band
76 -* **EU868**: LoRaWAN EU868 band
77 -* **KR920**: LoRaWAN KR920 band
78 -* **US915**: LoRaWAN US915 band
79 -* **IN865**: LoRaWAN IN865 band
80 -* **CN470**: LoRaWAN CN470 band
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.
81 81  
82 -= LA66 LoRaWAN Shield =
83 83  
84 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
79 +== Features ==
85 85  
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 +
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 +
86 86  == Pin Mapping & LED ==
87 87  
88 88  == Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
... ... @@ -93,58 +93,62 @@
93 93  
94 94  == Upgrade Firmware of LA66 LoRaWAN Shield ==
95 95  
96 -=== what needs to be used ===
122 +=== Items needed for update ===
97 97  
98 -1.LA66 LoRaWAN Shield that needs to be upgraded
124 +1. LA66 LoRaWAN Shield
125 +1. Arduino
126 +1. USB TO TTL Adapter
99 99  
100 -2.Arduino
128 +[[image:image-20220602100052-2.png||height="385" width="600"]]
101 101  
102 -3.USB TO TTL
103 103  
104 -[[image:image-20220602100052-2.png]]
131 +=== Connection ===
105 105  
106 -=== Wiring Schematic ===
133 +[[image:image-20220602101311-3.png||height="276" width="600"]]
107 107  
108 -[[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**
109 109  
110 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
140 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
111 111  
112 -GND  >>>>>>>>>>>>GND
142 +Connect USB TTL Adapter to PC after connecting the wires
113 113  
114 -TXD  >>>>>>>>>>>>TXD
115 115  
116 -RXD  >>>>>>>>>>>>RXD
145 +[[image:image-20220602102240-4.png||height="304" width="600"]]
117 117  
118 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
119 119  
120 -Connect to the PC after connecting the wires
148 +=== Upgrade steps ===
121 121  
122 -[[image:image-20220602102240-4.png]]
150 +==== Switch SW1 to put in ISP position ====
123 123  
124 -=== Upgrade steps ===
152 +[[image:image-20220602102824-5.png||height="306" width="600"]]
125 125  
126 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
127 127  
128 -[[image:image-20220602102824-5.png]]
155 +==== Press the RST switch once ====
129 129  
130 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
157 +[[image:image-20220602104701-12.png||height="285" width="600"]]
131 131  
132 -[[image:image-20220602104701-12.png]]
133 133  
134 -==== Open the upgrade application software ====
160 +==== Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
135 135  
136 -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/]]**
137 137  
138 138  [[image:image-20220602103227-6.png]]
139 139  
140 140  [[image:image-20220602103357-7.png]]
141 141  
142 -===== Select the COM port corresponding to USB TTL =====
143 143  
169 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
170 +**2. Select the COM port corresponding to USB TTL**
171 +
144 144  [[image:image-20220602103844-8.png]]
145 145  
146 -===== Select the bin file to burn =====
147 147  
175 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
176 +**3. Select the bin file to burn**
177 +
148 148  [[image:image-20220602104144-9.png]]
149 149  
150 150  [[image:image-20220602104251-10.png]]
... ... @@ -151,114 +151,197 @@
151 151  
152 152  [[image:image-20220602104402-11.png]]
153 153  
154 -===== Click to start the download =====
155 155  
185 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
186 +**4. Click to start the download**
187 +
156 156  [[image:image-20220602104923-13.png]]
157 157  
158 -===== The following figure appears to prove that the burning is in progress =====
159 159  
191 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
192 +**5. Check update process**
193 +
160 160  [[image:image-20220602104948-14.png]]
161 161  
162 -===== The following picture appears to prove that the burning is successful =====
163 163  
197 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
198 +**The following picture shows that the burning is successful**
199 +
164 164  [[image:image-20220602105251-15.png]]
165 165  
202 +
203 +
166 166  = LA66 USB LoRaWAN Adapter =
167 167  
168 -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 ==
169 169  
170 -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.
171 171  
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 +
172 172  == Pin Mapping & LED ==
173 173  
174 174  == Example Send & Get Messages via LoRaWAN in PC ==
175 175  
176 -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.
177 177  
178 -[[image:image-20220602171217-1.png||height="615" width="915"]]
248 +~1. Connect the LA66 USB LoRaWAN adapter to PC
179 179  
250 +[[image:image-20220602171217-1.png||height="538" width="800"]]
251 +
180 180  Open the serial port tool
181 181  
182 182  [[image:image-20220602161617-8.png]]
183 183  
184 -[[image:image-20220602161718-9.png||height="529" width="927"]]
256 +[[image:image-20220602161718-9.png||height="457" width="800"]]
185 185  
186 -Press the reset switch RST on the LA66 LoRa Shield.
187 187  
188 -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.
189 189  
190 -[[image:image-20220602161935-10.png]]
261 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
191 191  
192 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
263 +[[image:image-20220602161935-10.png||height="498" width="800"]]
193 193  
265 +
266 +3. See Uplink Command
267 +
268 +Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
269 +
194 194  example: AT+SENDB=01,02,8,05820802581ea0a5
195 195  
196 -[[image:image-20220602162157-11.png]]
272 +[[image:image-20220602162157-11.png||height="497" width="800"]]
197 197  
198 -Check to see if TTN received the message
199 199  
200 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
275 +4. Check to see if TTN received the message
201 201  
202 -== Example Send & Get Messages via LoRaWAN in RPi ==
277 +[[image:image-20220602162331-12.png||height="420" width="800"]]
203 203  
204 -Connect the LA66 LoRa Shield to the RPI
205 205  
206 -[[image:image-20220602171233-2.png||height="592" width="881"]]
207 207  
208 -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 ==
209 209  
210 -[[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]]
211 211  
212 -Press the reset switch RST on the LA66 LoRa Shield.
213 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
286 +(% class="wikigeneratedid" id="HPreconditions:" %)
287 +**Preconditions:**
214 214  
215 -[[image:image-20220602154928-5.png]]
289 +1.LA66 USB LoRaWAN Adapter works fine
216 216  
217 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
291 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
218 218  
219 -example: AT+SENDB=01,02,8,05820802581ea0a5
293 +(% class="wikigeneratedid" id="HStepsforusage" %)
294 +**Steps for usage**
220 220  
221 -[[image:image-20220602160339-6.png]]
296 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
222 222  
223 -Check to see if TTN received the message
298 +2.Run the python script in PC and see the TTN
224 224  
225 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
300 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
226 226  
227 -=== Install Minicom ===
228 228  
229 -Enter the following command in the RPI terminal
230 230  
231 -apt update
304 +== Example Send & Get Messages via LoRaWAN in RPi ==
232 232  
233 -[[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.
234 234  
235 -apt install minicom
308 +~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
236 236  
237 -[[image:image-20220602143744-2.png]]
310 +[[image:image-20220602171233-2.png||height="538" width="800"]]
238 238  
239 -=== Send PC's CPU/RAM usage to TTN via script. ===
240 240  
241 -==== Take python as an example： ====
313 +2. Install Minicom in RPi.
242 242  
243 -===== Preconditions: =====
315 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
244 244  
245 -1.LA66 USB LoRaWAN Adapter works fine
317 +(% class="mark" %)apt update
246 246  
247 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
319 +(% class="mark" %)apt install minicom
248 248  
249 -===== Steps for usage =====
250 250  
251 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
322 +Use minicom to connect to the RPI's terminal
252 252  
253 -2.Run the script and see the TTN
324 +[[image:image-20220602153146-3.png||height="439" width="500"]]
254 254  
255 -[[image:image-20220602115852-3.png]]
256 256  
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
257 257  
330 +[[image:image-20220602154928-5.png||height="436" width="500"]]
258 258  
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 +
259 259  == Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
260 260  
261 261  
262 262  == Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
263 263  
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 +
264 264  

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