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10 Best Timer Circuits using IC 555

Last Updated on June 21, 2020 by Swagatam 70 Comments

The circuits explained here are 10 best small timer circuits using the versatile chip IC 555, which generates predetermined time intervals in response to momentary input triggers. The time intervals […]

Filed Under: 555 IC Circuits, Mini Projects

LCD 220V Mains Timer Circuit – Plug and Play Timer

Last Updated on June 7, 2020 by Swagatam

In this post we are going to make an LCD 220 V mains operated timer using Arduino whose countdown time can be witnessed via 16 x 2 LCD display. Introduction […]



Filed Under: Arduino Engineering Projects, Timer and Delay Relay

Timer Based Cell Phone Charger Circuit

Last Updated on July 6, 2019 by Swagatam 50 Comments

A simple cell phone charger with timer circuit is presented in the following article, which could be used for charging a given Mobile phone for a specified predetermined length of […]

Filed Under: 4060 IC Circuits, Battery Chargers, Timer and Delay Relay

Timer Controlled Fitness Gym Application Circuit

Last Updated on December 28, 2018 by Swagatam 26 Comments

In this post we learn how to make a timer circuit for fitness, or gym workout application. The idea was requested by Mr. Jan. Circuit Objectives and Requirements I need […]

Filed Under: Timer and Delay Relay

Timer Controlled Submersible Pumpset Circuit

Last Updated on July 6, 2019 by Swagatam 40 Comments

The post details a timer circuit for submersible borewell pumpset which alternately switches the pumpset ON/OFF at a predetermined rate in order to allow the ground water sufficient time to […]

Filed Under: 4060 IC Circuits, Timer and Delay Relay

Bathroom Lamp Timer Circuit with Buzzer

Last Updated on February 12, 2020 by Swagatam 27 Comments

The simple bathroom lamp timer circuit features a delay OFF timer which switches OFF the triggered lamp after a set predetermined time delay, additionally the circuit also includes a delay […]

Filed Under: 555 IC Circuits, Timer and Delay Relay

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