Working version, with just an Arduino UNO and Multifunction Shield. Only works with versions with buzzers that don't have continuous tone. The clones of the shield differ from some sellers. I have NOT ...

Manual -> It starts a Pomodoro or a break with the button. Auto-loop -> It starts a Pomodoro or a break automatically (to reset it is necessary to pause).

Brushless motors are ubiquitous in RC applications and robotics, but are usually driven with low-cost motor controllers that have to be controlled with RC-style PWM signals and don’t allow for much ...

If you want to make your Arduino project more compact, an Arduino Shield is the answer. The Arduino Shield is a neat piece of hardware that sits on top of your Arduino board. It is typically designed ...