In this article, we will try to understand how to connect the input and output pinouts of the bilateral switch IC 4066. We will learn how to correctly configure and […]
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Basic Op Amp Circuits and Projects
In the following article we discuss op amp basic application circuits and projects, with equations, for solving their specific component values. Op-amps (operational amplifiers) are a specialized type of integrated […]
Laptop Power Bank Circuit
The following post explains how to build a simple laptop power bank circuit which can be used for charging a laptop battery during travelling or during outdoor trips. This device […]
7 Automatic Street Light Circuits [Using Relays and Solar Panel]
In this article we will discuss 7 useful yet simple automatic street light circuits using 220 V relays and solar panel. All the presented circuits can be used for automatically […]
Power Amplifier Circuit using IC 741 and MOSFET
In this post we study a power amplifier design configured using an ordinary IC 741 and a couple of MOSFETs. An operational amplifier’s output power such as from an IC […]
Audible Meditation Timer Circuit
In this post we are going to construct a timer circuit for meditation practices which gives out beeping sound between 1 and 9 seconds (user selectable) and this beeping audio […]