𝗪𝗵𝘆 𝗯𝘂𝗶𝗹𝗱 𝗮 𝗰𝘂𝘀𝘁𝗼𝗺 𝗕𝗼𝗼𝘁𝗹𝗼𝗮𝗱𝗲𝗿 𝗳𝗼𝗿 𝘆𝗼𝘂𝗿 𝗠𝗖𝗨? Most microcontrollers come with a vendor-supplied bootloader (such as STM32), but these can be restrictive at times. That’s where a custom bootloader becomes very useful. With Flash memory