For those who enjoy tinkering and DIY projects, have a look at the circuit diagram at the bottom of the page. Begin by connecting all the jumper wires on the small breadboard as shown on the picture ...

When the board is tilted, the ball moves, and the circuit opens. When upright, the module outputs 0V (L) and when it is tilted, it outputs 5V (H) through the ... The whole hardware should be powered ...