In this post we learn how to make a simple home automation system circuit using DTMF technology. Most of the electronic appliances that we use in home are usually operated […]
Simple Touch Switch Circuit using IC 4017
A surprisingly simple touch sensor switch circuit could in fact be constructed utilizing just one IC 4017 together with a couple of supplementary passive elements, the method is spelled out […]
Sound Operated Music Bell
In this post we learn how to make a simple sound operated music bell circuit which can be installed in homes for enabling the visitors to ring the door bell […]
Fridge Alarm Circuit
The simple fridge alarm circuit will alert the user in case the fridge malfunctions with its specified temperature cycle specifications. The use of fridge in homes has become a de […]
Simple Electronic Siren Circuit
This simple electronic siren circuit project aims to explain designing a simple circuit for an electronic siren. It is built on a single chip – CD4011 (IC1). In order to […]
Ultrasonic Alarm Circuit
This post talks about an excellent ultrasonic alarm circuit that could be efficiently established for detecting sound pressures over the natural human hearing capability, which could cover from 20 kHz […]