To download mp3 (audio): Click "Download mp3" button
To Cut/Crop mp3: Please use the slider below and click on "Download mp3" button to download the selected part.
Note that video to mp3 conversion output is limited to 10 minutes.
This circuit is responsible for lighting a bulb, when it receives light and turns off automatically when it is dark, like street lighting lamps. You will find in construyasuvideorockola.com/proyect_luz_automatica.php
We tested the circuit with saving lamps, the same result as with incandescent bulbs. Also tested it with an LED lamp and a home recorder.