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Timer

Audible Meditation Timer Circuit

Last Updated on May 24, 2026 by Swagatam 3 Comments

meditation timer block diagram

In this post I will show how to construct a timer circuit for meditation practices which gives out beeping sound between 1 and 9 seconds (user selectable) and this beeping audio can be integrated with your mediation session, we will see how we can integrate the periodic beeping with “mindfulness meditation” as example in later […]

Filed Under: Health related Projects Tagged With: Audible, Meditation, Timer

Make this Drag Race Timer Circuit

Last Updated on November 27, 2021 by Swagatam 8 Comments

block

In this post we are going to build a drag race timer circuit using a 7 segment display and commonly available discrete components which can measure the time taken for a car or any other vehicle from start line to finish line. The proposed circuit is fully automatic, meaning it can start and stop the […]

Filed Under: Timer and Delay Relay Tagged With: Drag, Race, Timer

Firecracker Igniter circuit [Remote Controlled with Timer]

Last Updated on August 30, 2021 by Swagatam Leave a Comment

IR and monostable multivibrator

In this post I will show how to construct a few fireworks ignition circuits which can safely ignite them via IR remote and timer. We have proposed three firecracker igniter circuit designs using ordinary components which we will be exploring them in detail. Before we jump in to the circuit details, we have a word […]

Filed Under: Remote Control Circuits Tagged With: Controlled, Firecracker, Igniter, Remote, Timer

Arduino 2-Step Programmable Timer Circuit

Last Updated on May 14, 2026 by Swagatam 57 Comments

Arduino programmable timer circuit

In this article I have explained how to make a simple 2-step Arduino programmable timer circuit, which can be used to switch an electrical load ON/OFF with independently adjustable ON and OFF timings. For example if you want a light to remain ON for 24 hours and OFF for 2 hours, you can simply do […]

Filed Under: Arduino Projects, Timer and Delay Relay Tagged With: Arduino, Programmable, Step, Timer

Simple Digital Timer Circuit with 2 Digit Display

Last Updated on February 3, 2022 by Swagatam 27 Comments

parts list

This simple digital timer circuit can be used to obtain timing output through selectable ranges, which can be set from 0 to 99 second, with 1 second interval, 0 to 990 seconds with 10 second interval, and 0 to 99 minutes with 1 minute interval. All these timing outputs can be visualized and tracked through […]

Filed Under: Timer and Delay Relay Tagged With: Digit, Digital, Display, Simple, Timer

Simple Kitchen Timer Circuit – Egg Timer

Last Updated on January 2, 2024 by Swagatam 7 Comments

kitchen timer circuit

A kitchen timer is a useful gadget which produces an alarm sound after a predetermined delay, as set by the user for specific time based food recipes that must be cooked only for a certain amount of time for best results. Written By: Suneeta Dixit One example is boiled eggs which may be either hard […]

Filed Under: Timer and Delay Relay Tagged With: Kitchen, Simple, Timer

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