Forty Yard Dash RPI

Using a Raspberry Pi, phototransistors, and laser diodes, my friends and I were able to recreate the National Football League's famous 40-yard dash test. The test is commonly used to evaluate the speed of collegiate athletes for determining future prospects in the NFL Draft.

Schematic and setup

Materials Used

• Raspberry Pi (Quantity: 1)
• Phototransistors (Quantity: 2)
• Laser diodes (Quantity: 2)
• Battery holders (Quantity: 2)
• AA batteries (Quantity: 6)
• 10k ohm resistors (Quantity: 2)
• Analog-to-Digital Converter (Quantity: 1)
• Breadboards (Quantity: 2)
• Breadboard wires (Quantity: A lot)

Running the code

Required dependencies