BuildCircuit

VOICE CHANGER

Voice Changer project can be used to transpose or distort one’s voice by encoding the sound appearing at the Microphone input.  This project  is built around AP8072 IC. SPECIFICATIONS Supply input : 6 VDC @ 200 mA Output : Speaker, 8 Ω / 0.5 W Audio amplifier type LM386 with volume control preset Jumper selectable…

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LIGHT TO AUDIO OSCILLATOR

Light Sensitive Audio Oscillator project is a fun-loving project which will create different sound effects depending on the light falling on the sensor SPECIFICATIONS Supply input 5 ~ 12 VDC Output 8 Ohms, 0.5 W Speaker Terminal pins for supply voltage and speaker connection Power-On LED indicator PCB dimensions 38 mm x 44 mm SCHEMATIC…

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LM386 SMD AUDIO AMPLIFIER MODULE

The Tiny Audio Amplifier MODULE  is a good choice for battery operation. It is based on  LM386 IC, useful in various applications like robotics, science projects, intercom, FM radio and many more. SPECIFICATIONS Power Supply 6V-9V 300mW Output @ 8Ohms Load On Board Potentiometer for Audio Level Adjust Header Connecter for Supply, Signal in and...
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SOUND TO LIGHT EFFECT

This PROJECTS  will turn your favorite music into light effects, a microphone picks up the sound and gives  light effects with 6 Red LEDs, ideal for creating fun atmosphere at parties & discos. Supply 9V-12V DC. FEATURES Supply 9V-12V DC (PP3 9V Battery) On Board Preset for Gain Adjust 6 On Board LEDs On Board…

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TINY PROFESSIONAL MICROPHONE PREAMPLIFIER

The board has been design around INA217 low distortion, low noise instrumentation amplifier. The INA217 is ideal for low-level audio signals such as balanced low-impedance microphones. Many industrial, instrumentation, and medical applications also benefit from its low noise and wide bandwidth. Unique distortion cancellation circuitry reduces distortion to extremely low levels, even in high gain….

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16×2 LCD SHIELD FOR ARDUINO NANO

This 16×2 LCD shield for Arduino Nano includes various add-ons, like 5 Tactile Switches, 3 Trimmer Potentiometers, LM35 Temperature sensor and the 16×2 LCD itself. It’s a compact shield designed to fit in small enclosures and it is intended to develop measuring devices like thermometers, voltmeters, timers, up down counters and other various project requiring…

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DIFFERENTIAL MICROPHONE PRE-AMPLIFIER

The project shown here is a microphone preamplifier that provides high quality amplification, optimized for use in computers, media and mobile applications. The pre-amplifier provides a differential input stage, making the device particularly effective when layout constraints force the microphone amplifier to be physically remote from the ECM microphone. This project features adjustable gain using…

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IR REMOTE EXTENDER

This project describes how to build an IR remote control extender / repeater to control your electronic appliances from a remote location. An IR detector module receives IR signal from remote control and two IR leds are re-emitting the signal to the appliance. You can place the IR emitting leds close to the device you…

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