This delay off lamp timer circuit will automatically switch OFF a connected lamp after a predetermined time has elapsed. This time delay can be adjusted with a variable resistor or […]
Make this Drag Race Timer Circuit
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 […]
Cellphone Controlled Plant Watering Circuit
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 […]
Arduino 2-Step Programmable Timer Circuit
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 […]
Simple Digital Timer Circuit with 2 Digit Display
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 […]
Simple Kitchen Timer Circuit – Egg Timer
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 […]