Do you need a roof that suddenly open during rain? or do you need to detect rain fall and keep...
Makers
A servo motor is one of the motor that can be controlled with different angle. This made a servo motor...
Introduction Fire detector is using a flame sensor that can detect fire or other light source with wavelength of 760...
Introduction In this project I'm using an ultrasonic sensor that can precisely measure the distance to show how a beep...
Introduction Have you ever noticed that when you entered 7E there is a ding dong sound? Or when you enter...