Has anyone encountered the problem that the MCU reset circuit cannot burn the program when connected to the battery? When the PCBA is connected to the battery, it cannot be burned. You must disconnect...
1. The transformer lead numbers on the transformer drawing, PCB and schematic diagram must be consistent. [/b] [/size][/font][/color][/align][align=left][color=rgb(51, 51, 51)][font=-apple-system-font...
Question for the 18th time The red arrow 1 in Figure (03) of this article points to the stage when the power switch tube is turned on. When the power switch tube of the flyback converter is turned on...