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Police/Ambulance Siren Circuit with Rotating Beacon Light

Last Updated on May 16, 2026 by Swagatam 5 Comments

Police Siren

In this post I have explained how to construct a police, ambulance or a fire truck siren circuit using evergreen IC 555 timer and we will also learn how to build a revolving beacon light without any mechanical parts. The proposed project is divided into two parts the siren circuit and the rotating beacon light, […]

Filed Under: Automobile Electronics Tagged With: Ambulance, Beacon, Light, Police, Rotating, Siren

Rotating LED Chakra Circuit for God Idols

Last Updated on July 7, 2026 by Swagatam 24 Comments

rotating chakra using LEDs

LED Chakra is an ornamental lighting system which depicts or imitates a rotating wheel like appearance, by means of sequentially shifting Illuminated LED arrays. Indian subcontinent is a land of festivals and celebrations which mostly start from the month of August and continues until the New Year. All these festivals have one fundamental thing in […]

Filed Under: Lamps and Lights Tagged With: Chakra, Idols, LED, Rotating

Rotating Beacon LED Simulator Circuit

Last Updated on June 8, 2026 by Swagatam 49 Comments

1 3

In this post I have explained a simple LED flashing beacon circuit which exactly simulates a rotating police beacon light by generating alternating pulses of suddenly rising and fading illumination effect on the connected LED. The idea was requested by Mr. Ankit Agarwal Technical Specifications Can you advice on how to make the following circuit […]

Filed Under: Lamps and Lights Tagged With: Beacon, LED, Rotating, Simulator

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