after looking around, the solution is to solder SB10 solder bridge at the bottom of the board in the st-link area.
now it take 380 ms or so to start functioning.
https://electronics.stackexchange.com/questions/236040/external-power-to-stm32f4-discovery-board
image.png
Statistics: Posted by gurov — Thu Apr 11, 2024 5:42 pm
]]>