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In most of the modern manufacturing and processing industries, there is complete industrial automation through sophisticated hardware and software like programmable logic controller (PLC),...

Shadow alarms are usually used for protection against theft. A shadow alarm is a device that sounds an alarm when a shadow falls on...

Communication with remotely located automation systems is possible via the Internet. A physical communication port with a network is required for this communication. An...

In most electronic systems, it is necessary to provide information in the visual form for a convenient user interface. The most commonly used displays...

A time controlled switch is an automatic timer switch that turns an appliance ‘on’ for the desired time duration. After the preset time duration,...

The use of battery-operated electronics gadgets is increasing fast in our daily lives. Products are expected to be versatile, while consuming minimal power. Reduced...

The AVR 8535 microcontroller and its new version ATmega8535 are versatile, high-performance but low-cost chips. This article series covers typical applications of this processor...

Electronic systems today incorporate a number of peripheral ICs that have to communicate with each other and the outside world. To maximise hardware efficiency...

The basic requirements of a realtime programmable timer generally used in schools and colleges for sounding the bell on time are: • Precise time base...

Normally, digital speedometers are found only in luxury cars and high-end motorbikes. Even if your motorbike has a mechanical speedometer, what will you do...