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Intermediate Projects

IoT Home Automation Using ESP-32 with Videos (Hindi & English)

Back in earlier days, when the word Internet of Things (IoT) was not a sound bite, developers of this field used various Wi-Fi shields...

Temperature Monitoring on Smartphone

This article describes a temperature monitoring system on an Android smartphone. Temperature is sensed by a temperature sensor installed in the circuit and is...

Wireless Security System Using PIR Sensors

This project demonstrates a wireless security system in which four pyroelectric infrared (PIR) motion sensors are placed in four sides—front, back, left and right—of...

Doorbell with Security Feature

This doorbell Security system works such that when someone presses your calling bell switch during the night, not only the bell rings but the...

Audio Compression Using Wavelets In MATLAB

Audio frequencies range from 20Hz to 20kHz but these frequencies are not heard in the same way. Frequencies below 20Hz and above 20kHz are...

Build Your Own Digital Weighing Machine

This article guides you through building a budget-friendly digital kitchen scale that can measure up to 5 kilograms. It’s a simple design that's easy...

Power-Saving Relay Driver

In many circuits, the switching action is performed by a relay, which in turn activates an external load. The power consumed by the relay...

Road Safety Solution for Drunken Driving

Drunken driving is one of the major problems today, this causes several deaths every year across the world. Here is a simple method of...

Weather Logger

Presented here is a personal weather logger whose various transducers are used to log weather data such as humidity, atmospheric pressure and temperature. The...

Solar MPPT using IC LM5118

The need for renewable energy sources is on the rise because of the acute energy crisis in the world today. The main limitation for...

Touchscreen and GLCD-Based Home Automation

This project controls home electrical appliances using a touchscreen input device. The system comprises two relays for controlling a bulb and a fan as...

Home Automation Using Arduino Through Android Device

This project is based on Interfacing an android application to Arduino Uno board using Bluetooth. The result is a home automation system with minimal...

GPS Clock using Arduino

Global positioning system (GPS) synchronised clocks give accurate time. These clocks are universal and commonly used at railway stations, bus stands and airports. These...

Fridge Temperature and Humidity Indicator

We can measure temperature and humidity inside the fridge using a normal temperature-humidity indicator but relative humidity (RH) could be inaccurate in that case....

Arduino Projects: Making Arduino Shields Using Fritzing

We are all familiar with Arduino shields available in the market. These allow us to increase the functions and capabilities of Arduino boards. Without...

ESP32 Internet Radio

The cheap MP3 VS1053 codec processor from aliexpress.com is told to be capable of decoding a variety of music formats, including Ogg Vorbis/MP3/AAC/WMA/MIDI audio....

Signal Generator and Inverter Using NE555 Timers

Often we require a squarewave signal generator with adjustable frequency, almost equal high and low output pulses and adjustable amplitudes. Here we present a...

Weather Forecasting on ESP32

In any power utility corporation ash dyke management is a huge issue. For fugitive dust control huge sprinklers that spray water all along the...
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