Interrupts vs Polling: The Mistake That Breaks Embedded Systems

If you are learning embedded systems, bare-metal programming, STM32 development, or preparing for embedded interviews — this is foundational knowledge. Link to Playlist: https://www.youtube.com/playlist?list=PLzijHiItASCkVD7fcqMCJ7yRo0lFx6vfU Timestamps: (00:10) GPIO polling vs interrupt (02:10) UART polling vs interrupt (03:15) Timer Interrupts (03:50) Low-power sleep with interrupts (04:26) Race condition Prevention **__diable_irq(), __enable_irq() My social media handles LinkedIn: www.linkedin.com/in/ebenezer-asabre-0626761aa Facebook: @ebenezer.asabre.56 TickTok: @ebenezerasabre Ebenezer Asabre embstack #stm32 #baremetal #mcu #embeddedsoftware #embeddedsystems #uart #adc #gpio #cprogramming #programming #lowleveldesign #softwaretutorials #diy #selftaught #computerprogrammer #softwaredeveloper #softwarearchitecture #softwaredesign Background music: Music: bensound.com License code: N8FROS8XNY7NH90J Artist: : Sound EGO Royalty Free Music: Bensound.com/royalty-free-music License code: YDHE4OLH3WH9R93L Artist: : Sound EGO Royalty Free Music: https://www.bensound.com License code: S9H4CREVUVY6NKID Artist: : Nick Petrov