STM32F411CEU6 ("Black Pill" board or similar). Two LEDs (PA5 for blinking, PA8 for fading). Two resistors to protect LEDs. Jumper wires and breadboard for connections. Clone or download this repo.
Abstract This paper presents the design, simulation, and optimization of a structured blinking LED system using digital logic components such as an 8:1 multiplexer, 3:8 decoder, D flip-flop, NE555 ...