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RFID based security system using AVR ATmega32 microcontroller

RFID technology brought a great revolution in our life as it simplifies the machine communication. RFID’s are used almost everywhere today Schools, hospitals, industries and much more. This article teaches you to build a simple RFID based security system using AVR microcontroller which is reliable and cost efficient. You gotta be familiar with working principle and interfacing RFID so kindly go through this ...

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Wake-U-Up System

This project is aimed to design a ‘Sleep and Wake-up Assistant’. Different from a normal alarm clocks which can only make noise, this alarm clock is designed to wake up a person in a comfortable and effective way by involving sound, light stimulation, motion detection and vibration. The functions of this alarm system are: ( i ). This system has an LED light. Before the user sleep in the night, the LED can b ...

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Galvanic Skin Response System

Summary The Galvanic Skin Response (GSR) is a property of the skin to exhibit electrical characteristics. It is also known as Electrodermal Activity (EDA), Electrodermal Response (EDR), Electrodermal Level (EDL), Skin Conductance Activity (SCA), Skin Conductance Response (SCR), and a lot more. The GSR utilizes the principle that skin property varies with the state of sweat glands. The electro-physiological ...

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19″ system of enclosures will provide you unexpected space

What enclosure to use for your electronic device and how to sort them when there are several ones on one place? That´s the question reaching almost to beginnings of electronics. No wonder, that since those times a lot of solutions were developed, which were so good, that they´re actual even nowadays. One of such examples is also a known modular 19“ system (482,6 mm wide), where various electronic devices ar ...

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Wireless Transmitter System

Summary This wireless project is a power transmission system, it works on the principle of magnetic induction. This Wireless Charging system works as the digital switched mode power supply with the transformer, which is separated into two parts: The transformer primary coil is on the transmitter, working as the transmitter coil, and the transformer secondary coil is on the receiver side as the receiver coil ...

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Environmental Alert System

What's that smell? It's noxious gas of course! If you're in an environment where there's a possibility of gaseous release of which you'd rather not breathe, why not build an automatic system for sensing and alerting you? The design for the Environmental Alert System is driven by my motivation to understand the concentrations of different chemicals in the air. The unit consists of an array of four gas sensor ...

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Optimized Solar Tracking System

Summary The solar energy collection is not that easy compared to the different types of power generation system because it has the lowest capacity factor. It has 5 out of 24 hours in a day that it can generate electricity from its solar collection. The only solution to this is by optimizing the 5 hours solar energy collection. This design features a solar tracker with Light-Dependent Resistor (LDR). The sys ...

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