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by Tarun Agarwal 11 years ago

5 Different Timer Circuits

The Timer circuits are used to produce time delay intervals for triggering a load. This time delay is set by the user. Below are few examples of timer circuits used in different applications 1.     Long Duration Timer This timer circuit...

by Tarun Agarwal 11 years ago

555 Timer – Pin Description & Applications

IC 555 Pins Pin 1 It is the ground pin directly connected to the negative rail. It should not be connected using a resistor, because all the semiconductors inside the IC will heat up due to stray voltage accumulating in it. Pin 2 It is...

by Tarun Agarwal 11 years ago

RF Module – Transmitter & Receiver

What is RF Module? In general, the wireless systems designer has two overriding constraints: it must operate over a certain distance and transfer a certain amount of information within a data rate. The RF modules are very small in dimension...

by Tarun Agarwal 11 years ago

How SIM Card works?

SIM Card: SIM card technology is one of the most popular technologies which is used in Mobile phones to activate the connection and to communicate and for making links with the server system and also used in various electrical and electronic...

by Tarun Agarwal 11 years ago

PIR Sensor – Basics & Applications

What is a PIR Sensor? PIR sensor detects a human being moving around within approximately 10m from the sensor. This is an average value, as the actual detection range is between 5m and 12m.PIR are fundamentally made of a pyro electric...

Different Types of Capacitors
by Tarun Agarwal 11 years ago

Types of Capacitors and Their Applications

In every electronic or electrical circuit, a capacitor plays a key role. So every day, the production of different types of capacitors can be done from thousands to millions. Each kind of capacitor includes its benefits, drawbacks, functions...

by Tarun Agarwal 11 years ago

Understanding of Cathode Ray Tube – CRT

Computer technology is going to see major advances in sophisticated 3-dimensional modeling and image processing; the users will see desktop computers with the computational power of today’s super-computers. Even graphics capabilities...

by Tarun Agarwal 11 years ago

Heartbeat Sensor – Working & Application

What do you mean by Heartbeat? A person’s heartbeat is the sound of the valves in his/her’s heart contracting or expanding as they force blood from one region to another. The number of times the heart beats per minute (BPM), is the...