<
From version < 75.1 >
edited by Edwin Chen
on 2022/07/03 00:21
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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... ... @@ -134,45 +134,45 @@
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.
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 ====
175 +==== Open the upgrade application software ====
176 176  
177 177  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  
... ... @@ -227,6 +227,8 @@
227 227  * RF Antenna x 1
228 228  
229 229  
230 +
231 +
230 230  = LA66 USB LoRaWAN Adapter =
231 231  
232 232  == Overview ==
... ... @@ -247,6 +247,8 @@
247 247  * AT Command via UART-TTL interface
248 248  * Firmware upgradable via UART interface
249 249  
252 +
253 +
250 250  == Specification ==
251 251  
252 252  * CPU: 32-bit 48 MHz
... ... @@ -265,6 +265,8 @@
265 265  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
266 266  * LoRa Rx current: <9 mA
267 267  
272 +
273 +
268 268  == Pin Mapping & LED ==
269 269  
270 270  == Example Send & Get Messages via LoRaWAN in PC ==
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