Remote control of home appliances has been a common thing as we use appliances such as TV, Air Conditioner etc in our daily life. This electronic project intended to demonstrate a simple concept of remotely controlling the switch ON and…
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Waveform generator circuits are quite handy as we can employ those in several complex circuits as a feed to it. And square wave generator with IC 555 is very familiar and today we are going to see a circuit which…
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Source : EFY Sensor circuits are widely available and are of several types each possessing significant uses. The above sound sensor alarm circuit is one of that kind where it was used to detect the sound signals in the environment….
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Sequential device activator or process control timer circuits have wide area of applications and its complexity varies depending upon the device to be activated. Here is a simple sequential device activator circuit using IC 555 and relay as activator. As…
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The Infra Red signals are widely used in wide range of remote control applications so it is worthy to know about the transmission and receiving the IR signals.Here the above circuit was a simple Infrared receiver circuit constructed using IC…
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The technique of controlling motor speed using PWM signals is very common. This circuit uses similar PWM technique to control motor speed and uses IC 555 to generate PWM signals. For those who are not aware, PWM or Pulse Width…
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In Wireless communication binary data or bits was transmitted by means of a wireless modem (Modulator and Demodulator) which uses FSK technique to transmit bits from the modulator and the demodulator.In FSK technique the carrier frequency is shifted between two…
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