Ah, the 555 chip. One of the most useful and popular ICs in electronics history. Invented in 1971, and released in 72, it remains a go-to solution for a myriad of timer, delay, pulse, and oscillation applications.
In this Digi-Key video, they cover the steps required for calculating the necessary resistor and capacitor values needed to achieve the frequency and signal duration that you’re after in your project.
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