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PIC Doorbell

This PIC10F322-based Doorbell replaces your loud and boring Doorbell with playing your desired tunes in wave format. The project need I2C EEPROM chip to store the WAV files since PIC10F322 only has 512...

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AVR Auto Composing Piano

This ATmega644-based smart piano can composes music of your own taste automatically. What you have to do is select a mood of the music and play two notes upon which the music is based, and then let the...

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Arduino Laser Harp

This cool music instrument is built by SthepenHobley based on Arduino. This harp doesn’t make sound itself but generates a stream of MIDI data to drive an audio synthesizer. In other word, Laser Harp...

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Arduino MP3 Player

This mp3 player project is built based on Arduino Mega. It is equipped with STA013S MP3 decoder, an SD card for storage, and a nokia LCD for display. When it is turned on, first it checks all the...

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Simple Youtube Karaoke Mixer

Paulorenato has built a very simple audio mixer for his YouTube karaoke system. The mixer simply takes the output of the TV that streaming YouTube video plus the Karaoke microphone output and combines...

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Low Cost Hearing Aid, TDA2822M

This Low Cost Hearing Aid project is built based on TDA2822M IC. This general-purpose electronic hearing aid needs 3V DC (2×1.5V battery) to works. Use an 8-pin DIP IC socket for TDA2822M for easy...

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Arduino based Web Radio Player

This Web Radio Player provides inexpensive internet radio player with high quality stereo sound. It can be used to listen internet radio stations without personal computer or tablet or smartphone. The...

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