circuit Opto-Tone (Control sound by light),With IC 555 and sensitive light by LDR.
This entry was posted on Friday, May 11th, 2007 at 12:50 pm and is filed under Audio - Alarm, Circuit diagram, Lighting.
circuit Opto-Tone (Control sound by light),With IC 555 and sensitive light by LDR.
This entry was posted on Friday, May 11th, 2007 at 12:50 pm and is filed under Audio - Alarm, Circuit diagram, Lighting.