+The 555 timer is an [Integrated Circuit](/wiki/Integrated_Circuit) (IC) widely used in a variety of [Timer](/wiki/Timer) and oscillator applications. Introduced in 1972, it has become one of the most popular and versatile chips, fundamental for generating precise time delays, pulses, and oscillations.
+## See also
+- [Electronics](/wiki/Electronics)
+- [Circuit](/wiki/Circuit)
+- [Capacitor](/wiki/Capacitor)
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