so I built her a "Button Box" based around an Arduino ... A bunch of hot glue fixes this. The LCD is secured similarly. I generally power my Arduino projects from a shield. It lets me avoid ...

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

The primary functions of the box are handled by an Arduino Nano; which runs the trivia game and provides user interaction via a 16×2 LCD, three push buttons, and a buzzer. Once the trivia game ...

And if you love science and technology, you won’t find a better hobby than these monthly Arduino projects from Creation Crate. Creation Crate is a monthly subscription box service that sends you ...

The LM35 temperature sensor and red led are powered with 5V from the Arduino board. As you can see in the sketch on the first line I included the LiquidCrystal library (header) that includes useful ...

The user must provide the proper inputs to each of the various systems using the directions displayed on a TFT LCD screen. Once the box is unlocked, the user may update the passwords, combinations ...