Posted By: Tarun Agarwal

Tarun Agarwal

Tarun Agarwal is the Chief Customer Support Officer at Elprocus. He has 8 years of experience in Customer Support, Operations and Administration.

Zero Crossing Detector Circuit and Working
by Tarun Agarwal 9 years ago

Zero Crossing Detector Circuit and Working

 A zero-crossing detector or ZCD is one type of voltage comparator, used to detect a sine waveform transition from positive and negative, that coincides when the i/p crosses the zero voltage condition. In this article, we discuss the zero-crossing...

MQ-135 Gas Sensor
by Tarun Agarwal 9 years ago

MQ135 Alcohol Sensor Circuit And Working

The MQ series of gas sensors utilize a small heater inside with an electrochemical sensor these sensors are sensitive to a range of gasses are used at room temperature. MQ135 alcohol sensor is a Sno2 with a lower conductivity of clean...

LCD Interfacing with Microcontroller
by Tarun Agarwal 9 years ago

LCD Interfacing with 8051 Microcontroller

   A decade back the process and control operations were implemented by using the microprocessor only. But nowadays the situation is changed and it is occupied by a new device called Microcontroller. We can’t find any electronic gadget...

Sawtooth Waveforms
by Tarun Agarwal 9 years ago

Sawtooth Wave Generator and its Working Principle

 A waveform is a shape that represents changes in amplitude with respect to time. A periodic waveform includes a sine wave, square wave, triangular wave, sawtooth wave. On the x-axis, it indicates the time and on the y-axis it indicates...

Heat Detector
by Tarun Agarwal 9 years ago

Heat Sensor Circuit and Working Operation

The main property of a heat sensor is to sense the heat, which is present around the sensor. When the set value of the temperature is high, then it is indicated with the help of a glowing LED. The usage of the heat sensor circuit is inside...