Each animation has a different Arduino code, but you won't need to modify ... With each contact you make, the red LED lights up, the buzzer beeps and the seven-segment LED display counts up.

Digital (pwm) pin D3 drives the piezo-buzzer through a PNP transistor ... helped me to clear that issue. This simple Arduino sketch can be used to test the multifunction shield. The code fades an ...

Let it hit your red LED and you’ve lost ... Inside the cool laser-cut box is an Arduino Uno and a 9V battery, plus a current-limiting resistor and the all-important buzzer.

Learn how to write Arduino code, use the power of code in simulation, learn to control any home appliance or device using Bluetooth, and the list goes on. You'll dive deep into programs such as ...