A very interesting musical Christmas decoration light circuit can be built using a single IC, and some other few passive components, let’s learn the details as furnished below. By: Ritu Panday … [Read more...] about Musical Christmas Decoration Light Circuit
“WELCOME” LED Display Circuit
The post explains how to make a chasing "WELCOME" display circuit sign board, which illuminates each alphabet sequentially until all the 7 alphabets are lit and then the whole display shuts off, the … [Read more...] about “WELCOME” LED Display Circuit
Switching Two Alternate Loads ON/OFF with IC 555
In this post we learn how to make a simple IC 555 based alternate relay timer circuit for toggling a couple of loads alternately with a specified length of delay, as determined by the calculated … [Read more...] about Switching Two Alternate Loads ON/OFF with IC 555
Fish Aquarium Oxygen Generator Circuit
In this article we discuss how to make a simple fish aquarium oxygen generator circuit using the concept of electrolysis of water. Generating Pure Oxygen The production of oxygen through … [Read more...] about Fish Aquarium Oxygen Generator Circuit
8 Function Christmas Light Circuit
A simple mains operated, transformerless 8 function Christmas light circuit can be made by using a single IC, a rotary switch and a few SCRs, let's learn the procedures in detail. The circuit is … [Read more...] about 8 Function Christmas Light Circuit
220V Dual Alternate Lamp Flasher Circuit
This is a mains operated transformerless flasher circuit that can be used for alternately switching a couple of CFL or similar 220V/120V lamp to produce a decorative lighting effect. Circuit … [Read more...] about 220V Dual Alternate Lamp Flasher Circuit