Category Archives: Audio

Sound to Light Display Using OpAmp

The sound level monitor project will display fluctuating light bars as response of audio signal from Electret Microphone. The louder sound that come into this device, the brighter the light bar. This project use alkaline battery as power source. source … Continue reading

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Microcontroller AVR based Audio Spectrum Monitor

If you interested to build simple audio monitor check out chan project AVR audio spectrum monitor. This project use Microcontroller AVR ATmega8 as main processor. Nice feature from this project you can display FFT spectrum analysis too. via : electronic … Continue reading

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