Hello friends, I hope you all are doing great. Today, I am going to share the new NE555 Timer Library for Proteus Simulation , the fourth of the lab ICs in our University Lab series. If you have searched for a Proteus simulation of the 555 timer, this library is for you. The 555 is the most famous chip in electronics: since 1972 it has blinked LEDs, made tones, debounced switches, generated PWM and timed everything from toasters to traffic lights. Every electronics course has a 555 lab, and every student builds the astable blinker at least once. Updates NE555 Timer Library for Proteus Simulation Latest version: V1.0 (November 2026, this tutorial) Other component libraries: C945 Transistor · PC817 Optocoupler · Relay Module · Resistor · 5 mm LED · Designer Colour LED · Push Button · Active ...