Circuit Lake

Electronic Project and Circuit Collection


Arduino based Web Radio Player

March 16, 2015 By: admin Category: Arduino, Audio No Comments →

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 project has two switches to control the next or previous radio station. It has 14 pre-defined radio stations that can be replaced with the […]

Low Cost Hearing Aid, TDA2822M

May 28, 2013 By: admin Category: Analog, Audio, Miscellaneous No Comments →

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 assembling and maintenance. Simple & Low cost hearing Aid Schematic

Simple Youtube Karaoke Mixer

March 21, 2013 By: admin Category: Analog, Audio, Miscellaneous No Comments →

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 them before sending the signal to the amplifier (aka “Receiver”) input.

Arduino MP3 Player

March 15, 2013 By: admin Category: Arduino, Audio, Microcontroller, Miscellaneous No Comments →

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 hardware is working, then updates the song library using tag from song. The player has features like […]