Sound Operated Music Bell
Introduction Picture a world where a beautiful melody chimes in response every time a sound is made. With … Read more
um66
Simple Doorbell with DC Backup Power Using UM66 IC
A doorbell with DC Backup Power is a doorbell circuit that is even operational when the main power … Read more
DIY Doorbell Circuit for Homes – Electronics Projects
In this tutorial, we are going to demonstrate how to make a Doorbell circuit for your home. This … Read more
Car Reverse Horn / Alarm Using UM66
In this tutorial, we are making a project of a simple car reverse horn circuit. the purpose of … Read more
AC Mains Power Comes Back Alarm
In this tutorial, we are making a project of mains power come back alarm. Mains power goes off … Read more
Smoke Detector Alarm using MQ2 Sensor
In this tutorial, we are making a project on a Smoke detector alarm. We all know that there’s … Read more
Melody Generator Using UM66 IC With TDA2822M Amplifier
A Melody Generator is a common electronic circuit that acts as a melody-producing tool in various devices such … Read more
Wireless Temperature Sensor with Thermistor
In this tutorial, we are making a project on the wireless temperature sensor circuit. It is a very … Read more
Morning Or Light Activated Alarm using UM66 IC
In this project, we are going to make one of the most interesting DIY circuits which is the … Read more
Motion Sensing Melody Alarm using UM66 IC
In this DIY, we demonstrate a project of a “Motion Sensing Melody Alarm” project in detail. A motion … Read more
Home & Office Basement Flood Alarm using 2N4401 Transistors
In this DIY, we are going to demonstrate a project of “Home and Office Basement Flood Alarm”. Even … Read more
Cell Phone Activated Wireless Remote Control Doorbell
In this DIY, we are demonstrating a project of a mobile phone-activated wireless remote control doorbell. The circuit … Read more
Fur Elise Melody Generator using UM66 – Fur Elise Piano
In this tutorial, we will learn how to generate the Fur Elise melody using UM66 IC. It is … Read more