Sensor – Transducer – Detector Projects

MasterUnitCircuit

Smart Fire Detection: A Wireless Sensor Network Approach for Indoor Arenas

Abstract This document details the development and implementation of a wireless fire alarm system, managed by an ATMEGA32 microcontroller, featuring Master and Slave Unit Controllers. The system receives input signals from normally opened warning devices like heat detectors and/or smoke detectors, with the unit containing these detectors referred to as the slave unit controller. The […]

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How to Use Hall Sensor with AVR Microcontroller ATmega16

How to Use Hall Sensor with AVR Microcontroller ATmega16

Hall sensors works on the principle of Hall Effect proposed by Edwin Hall in 1869. The statement proposed says, “The Hall effect is the production of a voltage difference (the Hall voltage) across an electrical conductor, transverse to an electric current in the conductor and to an applied magnetic field perpendicular to the current.” So, what could

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How to Make IoT Based Home Automation With NodeMCU Sensors Control Relay

How to Make IoT Based Home Automation With NodeMCU Sensors Control Relay

In this IoT based project, I have made Home Automation with Blynk and NodeMCU control relay module with real-time feedback. In the Manual Mode, this relay module can be controlled from Mobile or smartphone and, Manual switch. In Auto Mode, this smart relay also can sense the room temperature and sunlight to turn on and

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