Melodious Musical Bell

Melodious Musical Bell

Using soldering skills, here we are going to construct a simple musical bell using very basic components. Material needed: card board/vinyl board or any other hard board Speaker 8 ohm, IC UM 66, Transistor BC 548, Cell holder, 2 pencil cell Take a board. Paint or...
Single Tune Musical Bell

Single Tune Musical Bell

In this article, we shall learn to make a musical bell. For this, we shall only use three basic electronic components. These components are (i) IC UM 66; (ii) Transistor BC 548; and (iii) Speaker. The energy source for the bell is two pencil cells fixed in a cell...
LED  Display

LED Display

In this activity, we are joining LEDs in parallel connection by soldering to make an interesting display. Parallel connection means the positive terminal of all the LEDs will be joined together and all the negative terminals will also be joined together with the help...
Parallel Circuit: current flowing side by side

Parallel Circuit: current flowing side by side

A parallel circuit is an electrical circuit in which components are connected side by side. A parallel circuit has several branches. Current can flow from any of its paths. If any component is not working properly or broken, it does not affect the flow of current. In...