Dark/Light Detector using 555 Timer & LDR Here we have explained a simple Light or Dark Detection using 555 Timer and LDR (Light Dependent Resistor) which has the ability to sense the light and whenever the light is not detected, it triggers the IC and glows an LED connected with the circuit. In place of [...]
Author – Arpita Kashyap Introduction It is which a device produces automatic sounds by the use of set of pins placed on a revolving cylinder or disc. In other words, we can say that it is a box which plays a tune when the box is open. Block Diagram of Music Box When the power supply [...]
Author - Arpita Kashyap Introduction A machine gun is a fully automatic mounted or a portable firearm to fire bullets in quick succession from magazine, typically at a rate of 300 to 1800 rounds per minutes. Here the main aim of project to produce the sound just similar to machine gun. When there is triggering it [...]
Author - Arpita Kashyap Introduction LED is a light emitting diode or a semiconductor device that emits visible light when an electric current is passes through it. LED bulb is an assembly of components packaged to fit into a common light socket. In most of the cases, light emitting from semiconductor device is monochromatic that [...]
