One of the most common clichés around here is that a piece of equipment chosen for a project is always too advanced. If a Raspberry Pi was used, someone will say they should have used an Arduino. If ...

Here this circuit is based on the principle of audio amplification using operational amplifier and pulse width modulation using 555 Timer. In this article we are describing the principle, design and ...

In this post, I am going to discuss about another interesting topic named “Water Level Alarm Using 555 Timer”. The aim of this project is to make a water level design a simple and low cost alarm with ...