CH32V103 SWDIO - PA13 @ MCU SWCLK - PA14 @ MCU "Deprotect" or "接触代码保护" must be run before using wlin.(use WCHISPTool or wchisp). USBISP BOOT0 to VCC Chips * CH32F103C8T6-0x20004102 * CH32F103R8T6-0x2000410F