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153	153
154	154	=== 4.1.2 LGT92/LBT1 ST-Link v2 Connection ===
155	155
156		-[[image:https://wiki.dragino.com/images/thumb/a/a5/STM32_STLINK_Upgrade_1.png/600px-STM32_STLINK_Upgrade_1.png||height="388" width="600"]]
	156	+[[image:image-20220526174518-13.png]]
157	157
158	158	Connection to LGT92
159	159
...	...	@@ -162,9 +162,10 @@
162	162	* ST-LINK v2 SWCLK <~-~-> Dupont green pin
163	163	* ST-LINK v2 SWDIO <~-~-> Dupont white pin
164	164
	165	+
165	165	=== 4.1.3 LAQ4 ST-Link v2 Connection ===
166	166
167		-[[image:https://wiki.dragino.com/images/thumb/0/03/STM32_STLINK_Upgrade_LAQ4.png/600px-STM32_STLINK_Upgrade_LAQ4.png||height="331" width="600"]]
	168	+[[image:image-20220526174602-14.png]]
168	168
169	169	Connection to LAQ4
170	170
...	...	@@ -171,7 +171,7 @@
171	171
172	172	=== 4.1.4 RS485-BL/LDDS75/LDDS20/LSE01 ===
173	173
174		-[[image:https://wiki.dragino.com/images/thumb/b/ba/STM32_UART_Upgrade_RS485-BL.jpg/600px-STM32_UART_Upgrade_RS485-BL.jpg||height="412" width="600"]]
	175	+[[image:image-20220526174638-15.png]]
175	175
176	176	Connection for RS485-BL base mother board
177	177
...	...	@@ -183,6 +183,7 @@
183	183	* ST-LINK v2 SWDIO <~-~-> SWDIO
184	184	* ST-LINK (VDD 3.3v,pin19) <~-~-> ST-LINK (TVCC ,pin1) a wire to connect two pins of ST-Link together.
185	185
	187	+
186	186	=== 4.1.5 LTC2 ===
187	187
188	188	[[image:https://wiki.dragino.com/images/thumb/e/ea/LTC2-1.jpg/600px-LTC2-1.jpg||height="420" width="600"]]
...	...	@@ -315,3 +315,4 @@
315	315
316	316	**step2:**Click yes to upgrade successfully.
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	320	+