Jumping Machine
Since my brother has to jump 500 times a day for his height, I designed this machine for hime, helping him to count down from 500. The light shines every time when the ultrasonic senses him. The tone rings when the number reach to hundreds.
Sketch the Holes
Sketch the holes for the materials.
Cut the Holes
After sketching the holes, use a utility knife to cut them.
LCD
The LCD would show a count down starting with 500 as the ultrasonic senses my brother.
Ultrasonic Distance Sensor
Could customize the distance of the ultrasonic depending on the distance.
LED
As the ultrasonic senses things within specific distance, the LED lights.
Tone
Set the tone ringing when the number reaches 400, 300, 200, and 100.
Group Them Together
Code
Check out the code for a more detailed description