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 […]
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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 […]
Bicycle Speedometer Circuit
In this article we will learn how to build a simple bicycle speedometer circuit which can be used to measure the speed of the bicycle. Video Demonstration What is a […]
Echo Effect Generator Circuit
In this post we discuss a circuit which can be used for transforming an ordinary music into a music with depth and echo effects. Generating an echo effect electronically involves […]
Parametric Equalizer Circuit
In this post we talk about a parametric equalizer circuit which can be used to enhance a music output to outstanding levels, much better than any standard graphic equalizer output. […]
DC Lamp Dimmer Circuit using IC 555
In this post we will learn how to use the control pin#5 of the IC 555 to build a simple PWM controlled DC light dimmer circuit. The proposed DC lamp […]