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Intermediate Projects

Industrial Digital Thermometer

Presented here is a 4-digit Industrial Digital thermometer based on ATmega16 microcontroller (MCU), which can measure temperature up to 1024°C. Normal thermometers have a limited...

Arduino Projects: Fingerprint Door Unlock System

This simple fingerprint door unlock project using Arduino can be very useful for door security, forensics, crime investigation, personal identification, attendance system and much...

Sending Real-Time Sensor Data Through e-Mail

This project is based on Raspberry Pi and Python programming, and sends real time sensor data via Gmail. Raspberry Pi is a single-board computer...

Voice-Controlled Home Automation System

This is a project for a voice controlled home automation system to control appliances with your voice through an Android app. An Arduino Mega...

DTMF-Based Food Dispenser for Aquarium

Presented here is an Arduino-based automatic fish feeding system for an aquarium. Feeding the fish is a daily task, which can become a problem...

Wireless Biometric Lock Using Arduino With The IoT

If you’re still using traditional keyed locks, then you must be always worrying about losing the key or somebody breaking into your house. With...

Smart Touch Display Multi-Door Doorbell System

Technology is advancing daily and everything is turning smarter. A number of traditional devices that we used at our homes are becoming smarter now,...

Universal Dual-Channel Audio Signal Tracer And Tester

The circuit described here is a dual-channel audio signal tracer and tester. An audio signal tracer is a simple device to check the presence...

Control Up To 16 Appliances Without Microcontroller

Generally, the total number of appliances that can be controlled without using a microcontroller (MCU) is limited to three or four. One possible solution...

Make Video Streaming Camera with Raspberry Pi

Live streaming video cameras can be used for security or personal purposes. A variety of webcams, camcorders, DSLRs and mirrorless cameras for streaming live...

Adjustable AC Circuit Breaker

This circuit breaker employs a single operational amplifier (op-amp) and yet has a wide range and is user-friendly. A circuit breaker is an electrical...

Home Automation System Using A Wi-Fi Module

This home automation system can measure temperature, relative humidity, light intensity and control two electrical equipment on Cayenne IoT (Internet of Things) platform. The...

A Novel Architecture For Decimal Conversion In 8-Bit MCU

This article highlights common errors in 8-bit instruction sets, and introduces a novel architecture for decimal conversion instructions, especially in 8051, 8086, 8085 and...

Multipurpose Configurable Audio Buffer For Headphones

This article presents a simple, low-cost stereo headphones buffer using two LM358 operational amplifiers (op-amps). It is used to connect the headphones to line...

Control Panel For Submersible Monoblock Pumpset

Presented here is a submersible pump starter circuit using electronic overload relay, solid-state relay and adjustable startup delay. A submersible pump is a type of...

Wireless Caller ID Display for Bikers

This simple telephone caller identification display can be very useful for bikers. While riding a bike or any two-wheeler, the cellphone is usually kept...

Music-Operated RGB LED

Here, RGB LED light intensity and colour change with the rhythm and volume of music. It is a great idea to have such a...

Noise Detector For Silence Zone Area

Please Keep Silence! You must have seen this message written in places like library and office. But some people intentionally or unintentionally tend to...
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