How to Build a DIY Contact MIC Circuit

Contact mics enable you to feel uncommon sounds when connected to numerous surfaces.It also Generate sound when voltage is used on it.With the guide of a fundamental Pre-amp circuit it may also serve to Electrify an Acoustic Guitar, where amplification is essential. A piezoelectric disk produces a voltage when deformed. Piezo elements are useful when […]

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How to Build a Digital Up/Down Volume Control Circuit Using IC DS1668

The submit clarifies a basic digital volume control circuit making use of the IC DS1668 that are available in amplifiers and all audio equipment for accomplishing a push button press up/down volume control facility. The DS1668 and DS1669 Dallastats are electronic rheostats or potentiometers. These types of devices contained 64 feasible constant tap points over […]

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How to build Low impedance microphone amplifier

  Low impedence microphone are cheap and having more availability in the market. In case a high impedance microphone is used with any standard amplifier it is expected to give a better result though cost wise it is higher. In order to accommodate a low input microphone in a microphone amplifier as shown in the […]

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How to make a Simple Music Box Circuit

This very simple circuit enable you to imitate the operation of a music box. The number of notes may be confined to 10 at the most, thereby can result in creating a basic track. The circuit utilizes two well-liked incorporated circuits: The timer 555 and 4017 decade counter Operation of the circuit of music box […]

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How To Make a Digital Voice Changer Circuit

The article clarifies a circuit which contains the potential to correct or transform an individuals unique voice into a whole new form. The quality tone of every single individuals voice is especially one of a kind in all conditions. How frequently we get a phone call and just by simply listening our interlocutor has the […]

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Theremin Circuit

This is the only musical instrument known to the writer that is played without being touched! The Theremin is named after Professor Theremin who, in 1928, amazed New York audiences when he demonstrated his ability “to obtain music from the ether”. The instrument has two rods protruding from its housing, each one forming one ‘plate’ […]

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Digital Volume Controller Circuit

The circuit shown here is based on the switching action of transistors. Volume of a stereo deck can be controlled with the help of a potentiometer which changes the resistance between the output of the preamplifier and input of the amplifier. This can be done with the help of decade counter, IC.4017 and some transistors. […]

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Stereo Hi-Fi Headphone Amplifier Circuit

A simple yet extremely hi-fidelity type Stereo Hi-Fi Headphone Amplifier Circuit  can be studied in the following article which will give you an of the world experience once you build it and start using it The four diodes in rectifier bridge B1 are bypassed with rattle suppression capacitors to ensure minimum noise on the supply […]

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