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You are here: Home / Archives for Timer and Delay Relay

Make this Drag Race Timer Circuit

Last Updated on November 27, 2021 by Swagatam 8 Comments

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 […]

Filed Under: Timer and Delay Relay

Cellphone Controlled Plant Watering Circuit

Last Updated on July 23, 2022 by Swagatam 3 Comments

In this post we will discuss a couple of circuits that will allow automatic watering of plants and flower pots, even while the owner of the house is away from […]



Filed Under: Timer and Delay Relay

Arduino 2-Step Programmable Timer Circuit

Last Updated on June 9, 2020 by Swagatam 28 Comments

In this article we learn 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 […]

Filed Under: Arduino Engineering Projects, Timer and Delay Relay

Simple Digital Timer Circuit with 2 Digit Display

Last Updated on February 3, 2022 by Swagatam 24 Comments

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 […]

Filed Under: Timer and Delay Relay

Simple Kitchen Timer Circuit – Egg Timer

Last Updated on February 23, 2020 by Swagatam 7 Comments

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 […]

Filed Under: Mini Projects, Simple Circuits, Timer and Delay Relay

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

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