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Saturday, 22 October 2016

Digitally Adjustable Dancing Lights ,Auto Fan Speed Controller ,555 Timer PWM Audio Amplifier & Freeze Alarm



Digitally Adjustable Dancing Lights
You may have gone over a few sorts of flexible moving lights (gleaming LEDs). A large portion of them utilize presets (variable resistors) to alter the rate of exchanging. Being a mechanical segment, the preset effortlessly destroys with utilize furthermore presents clamor in the circuit. The circuit introduced here chooses distinctive estimations of resistors to control the recurrence of an astable multivibrator utilizing clock IC 555.