Use an Arduino in conjunction with a piezo buzzer and motor to create a knock-controlled door opener. Basically if you enter the correct knock, it the arduino will use a motor to unlock your door. Very handy for doms. Check out www.ZomgStuff.net for project details!
Song: "Destination Calabria" Alex Gaudino
How abount not blinking the leds untils the knock sequence is over? You are telling the knocker when the knock is right or wrong immediatly. They could then guess at the pattern.
SoundsFantastic 11 months ago
cooleio
Flea5000000000 1 year ago
Nice work! You can use an electronic strike instead of a servo motor. The strike takes a 12V signal to release and allow the door to open. A security system install company will have the strike. You can get used ones for about $25.
troycmessina 1 year ago