<
From version < 77.1 >
edited by Edwin Chen
on 2022/07/03 00:25
To version < 73.1 >
edited by Edwin Chen
on 2022/07/03 00:12
>
Change comment: There is no comment for this version

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Content
... ... @@ -134,62 +134,58 @@
134 134  
135 135  == Upgrade Firmware of LA66 LoRaWAN Shield ==
136 136  
137 -=== Items needed for update ===
137 +=== what needs to be used ===
138 138  
139 -1. LA66 LoRaWAN Shield
140 -1. Arduino
141 -1. USB TO TTL Adapter
139 +1.LA66 LoRaWAN Shield that needs to be upgraded
142 142  
143 -[[image:image-20220602100052-2.png||height="385" width="600"]]
141 +2.Arduino
144 144  
143 +3.USB TO TTL
145 145  
146 -=== Connection ===
145 +[[image:image-20220602100052-2.png]]
147 147  
148 -[[image:image-20220602101311-3.png||height="276" width="600"]]
147 +=== Wiring Schematic ===
149 149  
150 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
151 -**GND  <-> GND
152 -TXD  <-> TXD
153 -RXD  <-> RXD**
149 +[[image:image-20220602101311-3.png]]
154 154  
155 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
151 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
156 156  
157 -Connect USB TTL Adapter to PC after connecting the wires
153 +GND  >>>>>>>>>>>>GND
158 158  
155 +TXD  >>>>>>>>>>>>TXD
159 159  
160 -[[image:image-20220602102240-4.png||height="304" width="600"]]
157 +RXD  >>>>>>>>>>>>RXD
161 161  
159 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
162 162  
163 -=== Upgrade steps ===
161 +Connect to the PC after connecting the wires
164 164  
165 -==== Switch SW1 to put in ISP position ====
163 +[[image:image-20220602102240-4.png]]
166 166  
167 -[[image:image-20220602102824-5.png||height="306" width="600"]]
165 +=== Upgrade steps ===
168 168  
167 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
169 169  
170 -==== Press the RST switch once ====
169 +[[image:image-20220602102824-5.png]]
171 171  
172 -[[image:image-20220602104701-12.png||height="285" width="600"]]
171 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
173 173  
173 +[[image:image-20220602104701-12.png]]
174 174  
175 -==== Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
175 +==== Open the upgrade application software ====
176 176  
177 -**~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/]]**
177 +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/]]
178 178  
179 179  [[image:image-20220602103227-6.png]]
180 180  
181 181  [[image:image-20220602103357-7.png]]
182 182  
183 +===== Select the COM port corresponding to USB TTL =====
183 183  
184 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
185 -**2. Select the COM port corresponding to USB TTL**
186 -
187 187  [[image:image-20220602103844-8.png]]
188 188  
187 +===== Select the bin file to burn =====
189 189  
190 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
191 -**3. Select the bin file to burn**
192 -
193 193  [[image:image-20220602104144-9.png]]
194 194  
195 195  [[image:image-20220602104251-10.png]]
... ... @@ -196,22 +196,16 @@
196 196  
197 197  [[image:image-20220602104402-11.png]]
198 198  
195 +===== Click to start the download =====
199 199  
200 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
201 -**4. Click to start the download**
202 -
203 203  [[image:image-20220602104923-13.png]]
204 204  
199 +===== The following figure appears to prove that the burning is in progress =====
205 205  
206 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
207 -**5. Check update process**
208 -
209 209  [[image:image-20220602104948-14.png]]
210 210  
203 +===== The following picture appears to prove that the burning is successful =====
211 211  
212 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
213 -**The following picture shows that the burning is successful**
214 -
215 215  [[image:image-20220602105251-15.png]]
216 216  
217 217  
... ... @@ -236,6 +236,9 @@
236 236  * LA66 LoRaWAN Shield x 1
237 237  * RF Antenna x 1
238 238  
229 +
230 +
231 +
239 239  = LA66 USB LoRaWAN Adapter =
240 240  
241 241  == Overview ==
... ... @@ -256,6 +256,8 @@
256 256  * AT Command via UART-TTL interface
257 257  * Firmware upgradable via UART interface
258 258  
252 +
253 +
259 259  == Specification ==
260 260  
261 261  * CPU: 32-bit 48 MHz
... ... @@ -274,6 +274,8 @@
274 274  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
275 275  * LoRa Rx current: <9 mA
276 276  
272 +
273 +
277 277  == Pin Mapping & LED ==
278 278  
279 279  == Example Send & Get Messages via LoRaWAN in PC ==
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