Single transistor FM transmitter circuits are quite famous since it is easy to build and cost less. These transmitter circuits may not provide long range like circuits that use dedicated FM chips but it will get the job done. This…
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RF Signal jammers are circuits used to jam RF signals of particular frequency. These circuits jam RF signals around us stopping the device from reception and decoding of these signals. These kind of jammers block signals from Cell Phones, Wireless…
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RF also known as Radio Frequency Signal is omnipresent in today’s world. Although there are places where we receive poor reception of RF signals and a detector will come in handy in these instances to rectify this problem. Alternatively there…
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Cell Phones have became an essential gadget in our day to day life. But it will be annoying when used at inappropriate places like hospitals, schools, theatres and so. For this purpose Cellphone Jammer circuit is used to block the…
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Frequency modulation is one of the primitive yet effective means of wireless communication which is still used in several parts of the world. When comes to building a FM transmitter circuit you have numerous options based on the range of…
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Ultrasonic sound waves are high frequency waves which is inaudible to human ear. It also had hell lot of applications in this world like range detection,machinery flaw detection etc. This Ultrasonic receiver circuit demonstrates the building of ultrasonic wave…
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Ultrasonic waves are defined as the sound waves whose frequency is greater than 20Khz and it is not audible to the normal human ears. This ultrasonic possess wide variety of applications from industries (to detect flaws in machineries ) to…
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