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Control Four Appliances with a Touch Switch Panel

This project is based on a capacitive touch sensor for controlling four electrical appliances. Toggle switches have been used for operating lights or fans, and momentary press switches for operating electric...
HVDC Power Supply Design prototype

HVDC Power Supply Design

Circuits like Geiger counters, insect zappers, Nixie tubes and sensors require high-voltage direct-current (HVDC) supplies. There are various types of HVDC power supply designs available in the market, including voltage doubler...

Protect Yourself With This Noise Level Monitor

Presented here is an Arduino-based noise/sound level monitor that displays sound levels in decibels (dB) and corresponding voltage levels on an LCD. A noise monitoring system is used in many applications...

Automatic PID Controlled Ambient Light System With IOT Home Automation

Wouldn’t it be amazing if our room light automatically adjusts its brightness according to our need? Or if we can control the brightness of LED lights from our phone? This would not only...
Electronic Candle

Electronic Candle

Electronic or flameless candles are an alternative to traditional wick candles. These are used for home décor and do not carry the risk of fire as these have LEDs that glow...
distance meter prototype

Meter To Measure Short Distances

This Arduino-based distance meter can be used for measuring the distance between the sensor and object in the range of 2cm to 400cm using an ultrasonic sensor. The author’s prototype and...

Decoding An Electric Vehicle

In an official document sent out by Ministry of Power on December 14, 2018, the government of India has outlined several key facts, figures and a plan to support the expansion...

Make Your Own ESP8266-12E/F Module Programmer

This article describes a method for making an ESP8266-12E/F module programmer and also discusses the support circuitry required for real-time applications. NodeMCU board is a development kit that consists of ESP8266 Wi-Fi-enabled...
video

Choosing The Right Capacitor Type For A Circuit

In this video, the presenter will show you how a decoupling capacitor can have a circuit from harmful oscillations. Along the way, he will talk about three popular capacitor types, the...

Microstrip Antenna and Their Applications

Microstrip antenna are one of the most popular types of printed antenna. These play a very significant role in today’s wireless communication systems. Here we discuss microstrip antenna, their polarisation and...