Once you push the button to start the timer, it will run for 25 minutes, display a count-up timer and a "Study time!" message on the LCD, and turn a green LED ... sensor with an Arduino Uno.

To supply targeting data for the launcher, an Arduino Uno uses an ultrasonic sensor pair mounted atop a servo. As the servo rotates, the returns from the ultrasonic sensor are plotted on a screen ...

Arduino has launched its next generation of UNO boards ... The bright 12×8 red LED matrix is ideal for creative projects using animations or for plotting sensor data, without the need for additional ...