MP3 Player with FM Radio
Arduino Projects
This circuit is used for playing MP3 files from a memory chip, card reader or from a pen drive. Same circuit is also used for receiving telecast of FM band Radio with digital Display of frequency. You will need MP3 Kit. Kit include MP3 Card …
Burglar Alarm
Audio and Siren
The circuit illustrated here is used as ┬áBurglar alarm. LDR is kept at such a place that when thief enters our house then a shadow will fall on the LDR. A small beam of light source is also needed to supply continuous signal to LDR. …