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 […]
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Wheatstone Bridge Circuits Explained with Calculations
A Wheatstone Bridge circuit is commonly used to measure resistance, inductance, capacitance, and impedance. These are made up of four parts or arms that are joined in series in a diamond like […]
Simple Triac Triggering Circuits Explained
In this post we learn the fundamental methods of triggering a triac, and also discuss the right way to connect the terminals of a triac. Triacs are solid-state bidirectional thyristors […]
3 Accurate Infrared Intruder Alarm Circuits using Photodiodes
The post explains 3 simple yet accurate infrared intruder alarm circuits using an infrared transmitter and an infrared receiver module. The transmitter and the receiver photo diodes used in the […]
Wireless DC Motor Speed Control Circuit
In this post we are going to construct a wireless DC motor speed control circuit which can be controlled using any IR based remote controller. The proposed project has two […]
Vehicle Parking Lot Counter Circuit
In this post we are going to learn how to construct a vehicle counter circuit that can count the number of vehicles entered in a parking lot at office building, […]